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Copper IMS PCB Design & Manufacturer, Fast Delivery

July 25th, 2025

Why choose copper IMS PCB? This guide covers copper IMS PCB from design to manufacturing, highlighting superior heat dissipation, design guidelines for high-power applications, and Best Technology’s precision production capabilities.

Are you bothered by these problems?

  • How to break through the heat dissipation bottleneck?
  • How to balance cost and performance?
  • How to ensure signal integrity?

Best Technology can provide:

  • Three-dimensional heat dissipation architecture: Exclusive copper-based composite design, thermal resistance reduced by 40%, achieving a 25°C reduction in temperature rise at the same power consumption.
  • Optimized material cost performance: Patented copper-aluminum hybrid process, reducing material costs by 18% while maintaining thermal conductivity.
  • Electromagnetic compatibility integration: Built-in gradient impedance design, 5G band signal attenuation is controlled within 0.3dB.

Welcome to contact us if you have any inquiry for metal core PCB: sales@bestpcbs.com.

What Is Copper IMS PCB?

Copper IMS PCB (Insulated Metal Substrate Printed Circuit Board) is a high-performance circuit substrate constructed on a metal base (typically copper or aluminum) coated with a thermally conductive dielectric layer. It combines a copper circuit layer, a ceramic/polymer-based insulating layer, and a metal core to achieve exceptional thermal management (1-12 W/m/K conductivity), electrical insulation, and mechanical stability. Primarily used in high-power applications like LED lighting, automotive power modules, and aerospace systems, it offers 100x lower thermal resistance than FR4 while enabling efficient heat dissipation through its metal core structure.

What Is Copper IMS PCB?

What Is Stackup of Copper IMS PCB?

Copper IMS PCB Stackup Structure

Copper Base Plate

  • Material: High-purity electrolytic or rolled annealed copper (1–5 oz thickness) for superior thermal conductivity (398 W/m·K).
  • Function: Primary heat dissipation layer, often embedded with thermal vias to enhance heat transfer to external heat sinks.

Dielectric Insulation Layer

  • Material: Ceramic-filled epoxy or high-thermal-conductivity prepreg (e.g., 0.15 mm thickness with thermal resistance <0.7°C/W).
  • Function: Provides electrical isolation between the copper circuit and base plate while minimizing thermal resistance.

Copper Circuit Layer

  • Material: Thin copper foil (0.5–2 oz) for signal/power routing, processed via etching to form circuits.
  • Function: Conductive pathways for components, with optimized thickness balancing current capacity and signal integrity.

Solder Mask & Surface Finish (Optional)

  • Solder Mask: Protects copper traces and prevents solder bridging.
  • Surface Finish: ENIG (Electroless Nickel Immersion Gold) or HASL (Hot Air Solder Leveling) for solderability and oxidation resistance.

Design Considerations

  • Symmetry: Mirror-stacked layers (e.g., L1/L4, L2/L3) to prevent warping.
  • Thermal Vias: Embedded or plated-through vias to connect heat-generating components to the copper base.
  • Material Selection: High-Tg (>170°C) prepreg for stability under thermal cycling.

Copper IMS PCB Specification

‌Parameter‌Specification
‌Base MaterialHigh-purity copper (C1100/C1020)
Thermal Conductivity398 W/m·K (pure copper)
Dielectric Layer Thickness0.1–0.5 mm (ceramic-filled epoxy)
‌Thermal Resistance<0.7°C/W (0.15 mm dielectric)
‌Max Operating Temp150–200°C (depends on dielectric)
‌Copper Thickness1–5 oz (35–175 ÎŒm) for circuits
CTE (Thermal Expansion)17 ppm/℃ (matches silicon chips)
‌Dielectric Breakdown>3 kV (0.1 mm thickness)
‌Solder Mask OptionsWhite/Black (for LED applications)

What Are Advantages of Copper IMS PCB?

  • Ultra-High Thermal Conductivity (398 W/m·K)‌ – Enables 25-40°C lower junction temperatures in high-power devices (e.g., LEDs, IGBTs), extending lifespan by 3-5x.
  • Exceptional Current Carrying Capacity (15A/mmÂČ)‌ – Supports 3x higher current density than standard FR4, reducing PCB size by 35% for equivalent power.
  • Thermal Expansion Matching (CTE=17ppm/℃)‌ – Eliminates solder joint failures in thermal cycling (-40°C to 150°C), critical for automotive/industrial apps.
  • Built-in EMI Shielding‌ – Reduces RF noise by 40dB without additional shielding layers, ideal for 5G/RF circuits.
  • High-Frequency Performance‌ – Superior signal integrity for GHz-range applications with minimal signal loss.
  • Miniaturization Potential‌ – Supports 0.1mm dielectric layers and microvias for chip-scale packaging in medical/portable devices.
  • Long-Term Reliability‌ – Zero oxidation risk and 100% recyclability reduce lifetime costs by 18% vs. aluminum.
What Are Advantages of Copper IMS PCB?

What Are Applications of Copper IMS PCB?

  • Automotive: Reduces overheating in LEDs/batteries – longer lifespan, lower maintenance.
  • Renewable Energy: Cuts heat loss in solar/wind systems – boosts efficiency, lowers costs.
  • Consumer Electronics: Prevents phone/tablet overheating – reliable performance, fewer repairs.
  • Medical Devices: Stable operation in critical tools – safer use, fewer replacements.
  • Aerospace/Defense: Withstands extreme temps/vibrations – reliable in harsh conditions.
  • Industrial Systems: Resists heat deformation – less downtime, higher productivity.
  • LED Lighting: Lowers temps in high-power lights – doubles lifespan, saves replacement costs.
What Are Applications of Copper IMS PCB?

How to Design A Copper IMS PCB for High Power?

Design Guidelines for High-Power Copper IMS PCBs

1. Material Selection

  • Use thick copper foil (2oz/3oz or higher) to handle high current densities.
  • Prioritize low-thermal-resistance dielectric layers (e.g., ceramic-filled polymers) to maximize heat transfer to the copper base.

2. Thermal Management

  • Place heat-generating components (e.g., MOSFETs, LEDs) directly over the copper base for direct heat dissipation.
  • Add thermal vias under hot components to channel heat vertically to the copper layer.
  • Avoid thermal isolation; ensure continuous copper paths for heat flow.

3. Current Path Optimization

  • Design wide, short traces for high-current paths to minimize resistance and IÂČR losses.
  • Use parallel traces or polygon pours to distribute current evenly.
  • Avoid sharp bends (≄90°) in high-current traces to reduce inductance and hotspots.

4. Layer Stackup

  • Prioritize a 2-layer stack: copper base (bottom), dielectric layer, and copper top layer.
  • For complex designs, add internal copper layers with prepreg insulation, ensuring thermal vias connect all layers.

5. Mechanical Stability

  • Maintain symmetry in layer stackup to reduce warping during reflow.
  • Use heavy copper (≄3oz) for rigid base support; avoid over-etching thin features.

6. Component Placement

  • Isolate high-power components from sensitive analog/digital sections to prevent thermal interference.
  • Leave spacing around heat sinks or mounting holes for airflow or mechanical fixation.

7. Testing & Validation

  • Perform thermal simulation (e.g., ANSYS Icepak) to verify heat dissipation under max load.
  • Test under worst-case power conditions to ensure junction temps stay below component limits.

Notes: Balance thermal performance, electrical efficiency, and mechanical reliability. Prioritize direct heat paths, robust current handling, and material durability for high-power resilience.

Copper IMS PCB Manufacturing Processes

1. Material Preparation: Start with a copper base plate, a thermally conductive dielectric layer (e.g., ceramic-filled polymer), and top-layer copper foil. Materials are selected for thermal performance and durability.

2. Lamination: Bond the layers under controlled heat and pressure. The copper base, dielectric, and top foil are fused to create a rigid, thermally efficient structure.

3. Drilling: Precision-drill vias and through-holes. Clean debris thoroughly to ensure clean plating surfaces.

4. Plating: Apply electroless or electrolytic copper plating to coat hole walls, enabling vertical electrical connections between layers.

5. Etching: Use photoresist and chemical etching to remove excess copper from the top layer, leaving defined circuit traces.

6. Surface Finish: Apply finishes like ENIG, OSP, or immersion silver to protect exposed copper and enhance solderability during assembly.

7. Cutting & Profiling: Cut the panel into individual PCBs. Machine edges (e.g., V-score, routing) to meet required dimensions and shapes.

8. Quality Testing: Perform electrical tests (continuity, isolation), thermal stress tests (e.g., reflow cycles), and visual inspections to ensure reliability and performance.

Copper IMS PCB Manufacturing Processes

Why Choose Best Technology as Copper IMS PCB Manufacturer?

Reasons why choose Best Technology as your copper IMS PCB manufacturer:

  • Superior Thermal Performance: Copper core delivers 398 W/m·K conductivity, reducing device temperatures by 30% for extended product lifespan.
  • Rapid Prototyping Service: 24-hour turnaround for samples with same-day engineering review.
  • Competitive Pricing Structure: Transparent pricing with no hidden fees—cost-effective for high-volume production.
  • Strict Quality Control: 100% automated optical inspection (AOI) and X-ray testing for defect-free PCBs.
  • Fast Production Lead Times: 15-day standard lead time with expedited options for urgent orders.
  • High Current Carrying Capacity: Supports 15A/mmÂČ current density, enabling compact, high-power designs.
  • EMI Shielding Built-In: Copper substrate naturally reduces RF noise by 30dB without added layers.
  • Precision Laser Drilling: 50ÎŒm microvias for ultra-dense interconnects in advanced packaging.
  • Custom Material Solutions: Tailored dielectric formulations for specific thermal/electrical requirements.
  • Dedicated Engineering Support: 24/7 technical team for design optimization and troubleshooting.

Our Copper IMS PCB Manufacturing Capabilities

Base material:Copper
Thermal Conductivity (dielectric layer):0.8, 1.0, 1.5, 2.0, 3.0 W/m.K.
Board Thickness:0.5mm~3.0mm(0.02″~0.12″)
Copper thickness:0.5 OZ, 1.0 OZ, 2.0 OZ, 3.0 OZ, up to 10 OZ
Outline:Routing, punching, V-Cut
Soldermask:White/Black/Blue/Green/Red Oil
Legend/Silkscreen Color:Black/White
Surface finishing:Immersion Gold, HASL, OSP
Max Panel size:600*500mm (23.62″*19.68″)
Packing:Vacuum/Plastic bag
Samples L/T:4~6 Days
MP L/T:5~7 Days

Our IMS PCB Quality Inspection

1. Electrical Continuity & Isolation Testing

  • Method: Automated flying probe/bed-of-nails testing.
  • Focus: Verify zero shorts/opens in circuits; ensure ≄50MΩ isolation resistance between traces.
  • Purpose: Guarantees functional reliability for high-power signals.

2. Thermal Performance Validation

  • Method: Thermal imaging under max load (e.g., 150°C junction temp).
  • Focus: Measure thermal resistance (<2°C/W) and hotspot uniformity.
  • Purpose: Confirms heat dissipation efficiency for demanding applications.

3. Mechanical Stress Resistance

  • Method: 3-point bend test (≄10N force) and vibration testing (20–2000Hz).
  • Focus: Ensure <0.2mm warpage and no delamination after stress.
  • Purpose: Validates durability in high-vibration environments (e.g., automotive/aerospace).

4. Thermal Cycling Reliability

  • Method: -40°C to +150°C cycles (100x).
  • Focus: Check for cracks, delamination, or electrical drift post-cycling.
  • Purpose: Proves long-term reliability in extreme temperature swings.

5. Solderability & Surface Finish Integrity

  • Method: Wetting balance test (ENIG/OSP finishes).
  • Focus: Ensure >95% solder coverage with no voids.
  • Purpose: Prevents assembly defects and ensures strong component bonds.

6. Dielectric Breakdown Testing

  • Method: 500V AC withstand test for 1 minute.
  • Focus: Confirm dielectric layer resistance (>1000V) to prevent leakage.
  • Purpose: Critical for high-voltage applications (e.g., industrial power systems).

7. Visual & Dimensional Accuracy

  • Method: AOI (Automated Optical Inspection) + 2D/3D metrology.
  • Focus: Detect micro-cracks, trace misalignment (<50”m tolerance), and pad integrity.
  • Purpose: Ensures precision for fine-pitch components (e.g., 0.4mm BGA).

8. Traceability & Certification

  • Method: Batch-specific QR codes linked to raw material certs (e.g., UL, RoHS).
  • Focus: Full audit trail from copper sourcing to final test data.
  • Purpose: Builds trust through transparency and compliance.

How to Get A Quote For Your IMS PCB Project?

How to Get a Quote for Your IMS PCB Project: A Clear Checklist

1. Technical Specifications

  • Gerber Files (RS-274X format preferred.
  • Bill of Materials (BOM) – Including all components and their specifications.
  • Assembly Drawings (if applicable).
  • Layer Stackup Details (e.g., dielectric thickness, copper weight).

2. Design Requirements

  • Board Dimensions (maximum length, width, and thickness).
  • Material Specification (e.g., Copper IMS, aluminum IMS, hybrid options).
  • Thermal Requirements (expected operating temperature range).
  • Surface Finish (ENIG, HASL, immersion silver, etc.).

3. Quantity & Lead Time

  • Order Quantity (low-volume prototypes vs. mass production)
  • Desired Lead Time (standard vs. expedited options)

4. Compliance & Certifications

  • Industry-Specific Standards (IPC Class 2/3, UL, RoHS, REACH, etc.)
  • Testing Requirements (thermal cycling, high-voltage testing, etc.)

5. Packaging & Shipping

  • Special Handling Instructions (ESD-safe, vacuum-sealed, etc.)
  • Shipping Address & Contact Details.

Next Steps

  • Gather all required documents using this checklist.
  • Submit your request via email (sales@besttech.com) or our online quote form.
  • Receive a detailed quote with timeline, pricing, and DFM recommendations.

Contact us now if you have any request for IMS PCB: sales@bestpcbs.com.

LED MCPCB board, Aluminium PCB, LED PCB boards

July 25th, 2025

LED MCPCB board is a metal-based printed circuit board designed specifically for LEDs. Its aluminum or copper substrate is combined with an insulating thermal conductive layer and a copper foil circuit to quickly conduct heat away from the chip, improve lighting efficiency and life, and is widely used in high-power COB, car lights, street lights and backlight modules.

What is mcpcb led?

Short for Metal Core Printed Circuit Board, MCPCB is a game-changer in the world of LED lighting.

Unlike standard circuit boards, an MCPCB LED board has a special metal base, often aluminum. This metal base isn’t just there for support—it’s a built-in cooling system.

Heat is the enemy of LEDs, and the metal in an MCPCB helps pull heat away from the LEDs, keeping them cool, strong, and long-lasting.

MCPCB boards are commonly used in LED bulbs, light strips, automotive lights, floodlights, and backlit panels. The key reason is simple—they work better under heat, last longer, and deliver brighter, more stable light.

What is the full form of Mcpcb LED?

MCPCB LED stands for Metal Core Printed Circuit Board for Light Emitting Diode applications. Here’s the breakdown:

  • M = Metal
  • C = Core
  • P = Printed
  • C = Circuit
  • B = Board

These boards have one core purpose—to drive LED lighting performance to a higher level. The aluminum (or sometimes copper) base inside the board spreads heat away from the light source, keeping everything running smoothly.

  • Copper Foil Layer: the copper layer used is relatively thicker than normal CCLs ( 1oz-10oz). A thicker layer of copper means a larger current carrying capacity.
  • Dielectric Layer: the Dielectric layer is a thermally conductive layer and is around 50ÎŒm to 200ÎŒm thick. It had a low thermal resistance and it suitable for its application.
  • Aluminum Base: The third layer is the aluminum base which is made up of aluminum substrate. It has a high thermal conductivity.

What are the types of LED board in lighting?

Lighting applications demand variety. LED PCBs come in many forms to meet these needs.

  • Standard FR4 LED PCBs: Made with traditional fiberglass, they’re good for low-power lights. But they struggle with heat.
  • Aluminium LED PCBs: The most common metal core PCB used in LED applications. Excellent thermal performance. Lightweight, cost-effective.
  • Copper Core LED PCBs: Used when extreme heat dissipation is needed. Stronger than aluminum but also more expensive.
  • Flexible LED PCBs: Ideal for curves and corners. Used in design-focused lighting.
  • Ceramic LED PCBs: Rare, but they handle high heat exceptionally well.

Among these, MCPCB LED boards—especially aluminum ones—lead the industry for high-lumen applications due to their superior heat control.

How is MCPCB LED board assembled?

The assembly of an LED MCPCB board involves several precise steps:

  • Solder Paste Application: A layer of solder paste is applied onto the pads of the metal core PCB using a stencil.
  • Pick & Place Process: LED chips and other surface-mount components are placed onto the soldered areas using high-speed machines.
  • Reflow Soldering: The board goes through a reflow oven. Heat melts the solder paste and secures the components in place.
  • Inspection: Automated Optical Inspection (AOI) checks for soldering accuracy. This step ensures every component is perfectly aligned and attached.
  • Testing: Final tests simulate real-life lighting conditions to verify the LED PCB’s performance.

Assembly must be precise and efficient. And with aluminium PCB bases, the process also requires care to avoid overheating during reflow.

How to test led circuit board?

Testing is where quality becomes visible. Here’s how to ensure every MCPCB board performs as expected:

  • Visual Inspection: This checks for soldering issues or misplaced components.
  • Multimeter Testing: This tool checks whether power is flowing correctly across the circuit.
  • Functional Testing: Apply voltage. Does the LED light up properly? Are brightness levels correct?
  • Thermal Imaging: Some use infrared cameras to check for hotspots that indicate poor heat dissipation.

Reliable mcpcb led boards pass these tests with ease, offering users the confidence of durability and safety.

How does an aluminium PCB help LED lights?

Aluminum PCBs are the key enabler behind high-performance LED lighting. Here’s why they matter:

  • Heat Dissipation: Aluminium spreads heat away from the LED chip faster than traditional materials.
  • Durability: Aluminium boards are solid. They withstand physical and thermal stress better than fiberglass.
  • Lightweight: Despite their strength, aluminium PCBs are light—perfect for compact or portable lighting products.
  • Longer Lifespan: Cooler LEDs mean longer-lasting lights. An LED on an aluminium PCB can last 50,000+ hours with minimal loss in brightness.
  • Energy Efficiency: Efficient cooling means less wasted energy, which boosts overall performance.

What is the difference between PCB and Mcpcb?

Though they look similar, PCB and MCPCB are built for very different challenges.

Base Material:

  • PCB: Uses FR4 fiberglass or plastic.
  • MCPCB: Uses aluminium or copper for better thermal control.

Thermal Conductivity:

  • Standard PCB: Poor heat dissipation.
  • MCPCB: Excellent thermal performance.

Cost:

  • FR4 PCBs are cheaper.
  • MCPCBs cost more, but offer superior reliability for high-power devices.

Applications:

  • PCB: Best for low-power electronics.
  • MCPCB: Ideal for LEDs, power supplies, automotive lights, and high-intensity applications.

So, while both have their place, when heat is involved, MCPCB wins.

Is MCPCB LED board better than FR4?

Yes, and it’s not even close in most LED applications.

FR4 PCBs are fine for low-power, low-heat environments. But when you add in high-lumen LEDs, the heat spikes. FR4 can’t handle that for long.

MCPCB LED boards step in with built-in heat control, thanks to their metal core. They maintain brightness, extend lifespan, and prevent failure. That’s why most LED manufacturers rely on aluminium MCPCBs for performance lighting.

In short, if your LEDs matter, MCPCBs deliver.

What affects LED PCB board price?

The price of a led mcpcb board can vary widely. Here’s what affects it:

  • Material Type: Aluminium costs more than FR4, copper even more.
  • Board Thickness: Thicker boards handle heat better but cost more to produce.
  • Thermal Conductivity Rating: The better the heat transfer, the higher the price.
  • Board Size and Layers: Larger and multi-layer boards need more material and time.
  • Design Complexity: More components, special shapes, and tight tolerances mean higher costs.
  • Volume: Bulk orders usually lower the mcpcb led board price.
  • Surface Finish: ENIG, HASL, or OSP finishes affect both durability and cost.
  • Assembly Services: Adding LED pcb assembly raises prices but saves time and effort.

Still, when you think long-term, the right LED PCB saves money, longer life, fewer failures, and better performance.

Conclusion:

MCPCB LED boards, especially those made with aluminium, are the heartbeat of modern lighting. They’re engineered to handle heat, boost brightness, and outlast traditional boards.

Aluminium PCB is the most popular type, balancing cost and performance. Compared to FR4, MCPCB boards are simply better for LEDs.

For more details, quotes, or expert guidance on choosing the right LED MCPCB board, contact our team at sales@bestpcbs.com

How to Cut Copper IMS PCB Costs? 7 Tips Cut It by 25%

July 25th, 2025

Copper IMS PCB costs can climb fast, especially in high-power or LED projects. Yet, you don’t have to accept high pricing. This blog will walk you through practical ways to cut your copper IMS PCB costs by 25%, without losing quality.

Best Technology is a leading IMS PCB manufacturer, delivering Copper IMS PCB and aluminum IMS PCB prototypes, fabrication, assembly, and box build service to the increasingly developing world of electronics. Most of our engineers have worked at Best Technology for over 10 years. We can apply our empirical knowledge to do DFM reviews and recommend the most suitable material that meets your performance target.

Moreover, supporting low to medium volume orders and short lead times gives us a competitive edge in world markets. Per our company policy, there are normally 2-3 weeks for the complex boards, and we will adhere to this policy from the top down without any excuses. This saves you the headache of the MOQ barrier and unpredictable and long times. Whatever questions or enquiries you have about copper IMS PCB will be answered by our team, pls do call at +86-755-2909-1601 or sales@bestpcbs.com.

How to Cut Copper IMS PCB Costs? 7 Tips Cut It by 25%

What is a Copper IMS PCB?

A copper IMS PCB stands for insulated metal substrate circuit board with a copper base. Unlike aluminum IMS boards, copper offers better thermal conductivity. These boards are used in power electronics, LED lighting, and automotive systems where heat control matters most.

What is a Copper IMS PCB?

What Are Other Names for Copper IMS PCB?

Besides copper IMS PCB, people call them copper core PCBs, copper metal core boards, or copper-based IMS boards. Sometimes, they are referred to as thermal copper PCBs due to their role in heat dissipation.

Are IMS Printed Circuit Boards Made of Copper?

Not all IMS printed circuit boards use copper. Many are made with aluminum. However, when thermal demand is high, copper is preferred for its superior conductivity and durability. So, copper IMS PCB is often used in demanding environments.

What Is the Difference: Copper IMS PCB vs Copper MCPCB?

Many people think copper IMS PCB and copper MCPCB are the same—but they are not exactly equal. Let’s break it down.

Key Differences:

FeatureCopper IMS PCBCopper MCPCB
MeaningCopper board with insulation layerCopper board, may or may not have insulation
Structure3 layers: Circuit + Insulation + Copper BaseMay have only Copper Base and Circuit
FocusHighlights heat control + insulationHighlights metal core
UsageHigh voltage, high power (e.g., LED, power)General applications, lower insulation need
RelationshipA type of MCPCB with insulationBroader group, includes IMS boards

Simple Summary:

  • Copper IMS PCB = special copper MCPCB that must have an insulation layer.
  • Copper MCPCB = copper metal board, not always insulated.
  • So, every copper IMS PCB is a copper MCPCB, but not every copper MCPCB is an IMS PCB.

This difference matters when your project needs both heat control and electrical insulation—then, go for copper IMS PCB.

What Temperature to Solder Copper IMS?

Copper IMS PCBs have great heat-spreading ability, but careful control during soldering is still necessary—mainly to protect the insulation layer. Here are the key points to know:

  1. Typical Temperature Range
    Soldering temperatures usually fall between 220°C and 280°C. This matches well with most lead-free solders, which melt at around 217°C to 250°C. However, always check the exact type of solder you’re using and adjust the temperature accordingly.
  2. Insulation Layer Protection
    While copper spreads heat fast, the insulation layer (often made from polyimide or similar materials) can only handle 200°C to 250°C for short periods. If the temperature is too high or held too long, the insulation may delaminate or even carbonize, leading to long-term failure.
  3. Peak Temperature Control
    Keep the peak soldering temperature no more than 30°C to 40°C above the solder’s melting point. For example, if your solder melts at 240°C, aim for 270°C to 280°C. This range helps prevent damage while ensuring proper solder flow.
  4. Soldering Time
    Limit the soldering time to 2–4 seconds at peak temperature. But it’s not just about time—also manage your temperature curve, including preheating and cooling. A smooth curve helps reduce thermal stress on the insulation.
  5. Testing Is Essential
    Before starting mass production, run tests. Methods like TGA (Thermogravimetric Analysis) or DSC (Differential Scanning Calorimetry) help confirm how well the insulation layer handles heat. These tests can catch weak points early.

To conclude, copper IMS PCBs need careful soldering, even though they manage heat well. Protect the insulation layer by controlling temperature and time, and always validate your process before full production. This ensures long-term reliability without hidden risks.

What Is a Copper Pour in IMS Printed Circuit Board?

In copper IMS PCBs, a copper pour is a large area of copper applied across parts of the board. It plays a key role in heat spreading and grounding, but there’s more to understand. Here’s what matters:

  1. Types of Copper Pour
    There are two common types:
  • Solid Pour – a fully filled copper area, ideal for thermal management.
  • Grid Pour – a mesh-like pattern, mainly used to reduce EMI (electromagnetic interference) but less effective for heat.

In IMS PCBs, solid copper pour is preferred because it transfers heat better.

  1. How It Works
    The copper pour connects to the copper base through thermal vias or directly, depending on design. It reduces thermal resistance, helping heat flow from hot components into the copper base. The insulation layer, typically with 1–3 W/m·K thermal conductivity, also aids this process.
  2. Benefits for Current Flow
    Besides heat, copper pour can improve current flow by reducing resistance paths—especially useful in high-power circuits.
  3. Cost Saving Potential
    By designing a smart copper pour, you may reduce or even avoid extra heat sinks. But this depends on your component layout and power density. If components are spread out, the pour helps spread heat more evenly.
  4. EMI Consideration
    Copper pour also affects electromagnetic interference. A well-designed pour can shield signals and lower EMI, but poor design might cause noise issues. So, it’s important to balance thermal and electrical needs.

In a nutshell, copper pour in IMS PCBs is more than just extra copper. It’s a tool for better thermal control, grounding, and possibly cost reduction. Using solid pour for heat and careful layout helps you get the most out of your copper IMS PCB design.

What Are the Price Differences: Copper IMS PCB vs PCB?

Copper IMS PCB is more expensive than standard FR4 PCB. The reasons include the cost of copper, complex fabrication, and thicker insulation layers. Yet, when you compare performance, especially in thermal control, copper IMS PCB often justifies its price. In the long run, it prevents failures and reduces rework costs.

What Are the Price Differences: Copper IMS PCB vs PCB?

What Is the Primary Role of Copper in PCB?

Copper in PCB handles both signal transmission and heat transfer. In copper IMS PCBs, copper mainly moves heat away from components. This prevents overheating and boosts lifespan. It also ensures power flows efficiently across the board.

How to Cut Copper IMS PCB Costs?

Here’s how you can save up to 25% without losing quality:

1. Optimize Board Design

Efficient layouts cut material waste. Using the right copper thickness and pour design can save money and improve heat flow. Avoid over-designing areas where it’s not needed.

2. Use Standard Panel Sizes

Non-standard sizes increase costs. By designing copper IMS PCB that fits common panel sizes, you save on material and labor.

3. Choose the Right Manufacturer

A reliable IMS PCB manufacturer offers better pricing with quality. Best Technology offers cost-effective solutions thanks to its streamlined process and MES tracking. This prevents delays and errors, saving your time and money.

4. Order in Bulk

Higher volumes reduce unit cost. Plan your orders to maximize economies of scale.

5. Avoid Excessive Tolerances

Unneeded tight tolerances add cost. Confirm which tolerances are essential for function, and where you can relax specs.

6. Select the Right Finish

Some finishes cost more than others. Choose one that meets your needs without overpaying. HASL or ENIG may be enough for most copper IMS PCBs.

7. Plan Ahead for Assembly

Working closely with your assembler ensures smoother processes. Avoid late changes which can drive up rework costs. Early design for manufacturing reviews helps prevent this.

Why Choose Best Technology as Your Original IMS PCB Manufacturer in China?

Best Technology solves key customer problems in copper IMS PCB production.

  • 24/7 Technical Customer Service: Many buyers face delays, inconsistent quality, or unclear communication. Our team ensures prompt support and fast feedback within 12 hours.
  • Premium Quality‌ IMS Board PCB: We utilize the ISO9001, IATF16949, and AS9100D systems to ensure total quality control.
  • Cutting-edge Material Management System: Our MES (Manufacturing Execution System) ensures complete traceability of components, preventing any mix-ups. Clients trust us for consistent quality, even in complex builds.
  • NO MOQ: We support both small and large volume orders with fast turnaround. Whether you need copper IMS PCBs for LED lighting or automotive, we deliver without MOQ. Our technical team works with you from start to finish, offering effective solutions instead of just the boards.

In short, Best Technology doesn’t just make copper IMS PCBs—we help you succeed in your projects with the right solutions, on time and budget.

All in all, cutting copper IMS PCB costs doesn’t mean cutting corners. By focusing on smart design, choosing standard panel sizes, and partnering with the right manufacturer, you can reduce costs by up to 25%—without sacrificing quality or reliability. However, many buyers struggle with slow responses, poor quality control, and unclear communication. These issues not only delay projects but also lead to higher costs in the long run.

At Best Technology, we help you avoid these problems. Our professional team offers quick feedback, strict quality control, and full traceability through MES systems. We support both small and large volume orders, and we’re committed to delivering consistent, high-quality copper IMS PCBs on time. If you have new projects for enquiry, pls let us know your specific requirement at sales@bestpcbs.com, then we can quote you as rapid as we can.

Double Sided IMS PCB, IMS PCB Manufacturer

July 25th, 2025

If you are working on high-power electronics, LED lighting, or power conversion modules, thermal management is probably one of your biggest challenges. That’s where the double sided IMS PCB comes into play.

As a reliable IMS PCB manufacturer, Best Technology has been helping engineers and purchasing teams solve complex design issues using double sided metal core solutions that offer excellent thermal performance and mechanical strength. Our products are widely used in various applications like LED lighting, automotive electronics, power modules, and more.

What Is a Double Sided IMS PCB?

A double sided IMS PCB (Insulated Metal Substrate Printed Circuit Board) is a type of PCB that uses a metal base—typically aluminum or copper—combined with two copper layers and insulating dielectric layers in between. This structure allows designers to place components on both sides or route critical signals more efficiently while managing heat effectively.

Unlike single-sided IMS PCBs that have components and traces only on one side, double-sided versions support components mounting and traces layout both on top and bottom side, it allowed complex designs, higher current flow, and better heat transfer through thermal vias.

In simple terms: if your board gets hot and needs more routing space, a double sided IMS PCB can help.

Double Sided IMS PCB

Double Sided IMS PCB Structure

A double sided IMS PCB is built with multiple carefully selected layers, designed to balance electrical performance, mechanical strength, and heat dissipation. The general structure looks like this:

  • Top copper layer: Carries the electrical traces and component pads.
  • Top dielectric layer: An electrically insulating but thermally conductive material.
  • Metal core: Usually aluminum or copper, it serves as a mechanical base and heat sink.
  • Bottom dielectric layer: Same material as the top layer, separating the metal core from the bottom copper.
  • Bottom copper layer: It is a trace layer, used for power, ground, or additional signal traces.

Plated through holes (vias) allow electrical connection between the top and bottom copper layers. These vias can also help conduct heat away from hot components into the metal core, improving thermal performance.

Types of IMS PCB Materials

In IMS PCB design, the metal base plays a critical role in heat dissipation and mechanical stability. The two most commonly used core materials are aluminum and copper, each with distinct advantages and application scenarios.

1. Aluminum-Based IMS PCB

Aluminum is by far the most widely used metal base material in IMS PCBs. It offers a great balance between cost, weight, and thermal performance. With a typical thermal conductivity of 1.0 to 3.0 W/m·K, aluminum is sufficient for most applications where moderate heat needs to be managed efficiently.

Advantages of aluminum base:

  • Cost-effective: More affordable than copper, suitable for mass production.
  • Lightweight: Ideal for weight-sensitive designs like automotive lighting and portable devices.
  • Corrosion-resistant: Naturally forms a protective oxide layer, extending board life.
  • Good thermal conductivity: Capable of dissipating heat from surface-mounted components quickly.

Typical applications:

  • LED lighting systems (e.g. street lights, home bulbs)
  • Power driver boards
  • Consumer electronics
  • Automotive LED modules

Aluminum IMS PCBs are perfect for designs that need reasonable thermal performance at a lower cost. They’re especially common in LED products, where keeping junction temperature low is essential to extending light source life.

Aluminum-Based IMS PCB

2. Copper-Based IMS PCB

Copper-based IMS PCBs are chosen when thermal management becomes critical, or when mechanical robustness is equally important. Copper has a thermal conductivity of around 5.0 W/m·K—more than double that of aluminum—making it an ideal choice for high-power or high-density applications.

Advantages of copper base:

  • Superior heat dissipation: Excellent for fast heat transfer in high-power designs.
  • High mechanical strength: Less prone to flexing or warping under load or heat.
  • Stable performance at high temperatures: Supports continuous operation in demanding environments.
  • Better current carrying capacity: Enables narrower traces for the same current level.

Typical applications:

  • Power inverters and converters
  • Motor control units and industrial drives
  • RF amplifiers and telecom power modules
  • Aerospace and defense electronics
  • High-performance LED arrays

Due to its higher cost and weight, copper is generally used in specialized applications where reliability, thermal performance, or current handling are mission-critical. It’s especially favored in automotive power systems, high-end industrial equipment, and aerospace control circuits.

Copper-Based IMS PCB

Single vs Double Sided IMS PCB

When choosing between single-sided and double-sided IMS PCBs, understanding their structural and functional differences is essential. Below is a detailed comparison covering performance, design flexibility, manufacturing complexity, and cost.

Comparison AspectSingle Sided IMS PCBDouble Sided IMS PCB
Copper LayersOne layer on topTwo layers – top and bottom
Component PlacementOnly on one sidePossible on both sides or top side with backside routing
Thermal Conductivity PathHeat moves in one direction (top to base)Heat can dissipate through both layers via thermal vias
Routing FlexibilityLimited routing optionsMore complex, denser routing possible
Via UsageUsually no plated viasRequires plated through vias for inter-layer connections
Design ComplexitySimpler, suitable for low-power applicationsSupports more complex, high-current designs
Manufacturing CostLower cost, fewer stepsHigher cost due to drilling, plating, and alignment
Board ThicknessGenerally thinnerSlightly thicker due to multilayer structure
Current Carrying CapacityLimited by single copper layerHigher due to dual copper planes
Mechanical StrengthModerateHigher due to more balanced structure
Typical ApplicationsLED bulbs, indicator lights, basic power suppliesLED headlights, motor drivers, power inverters
Preferred Use CasesCost-sensitive and thermally moderate projectsThermally demanding, high-power, or complex circuitry

At Best Technology, we provide both types with full engineering support, helping you select the right option based on your performance goals and budget.

IMS PCB Design Considerations

Designing an effective IMS PCB, especially a double sided IMS PCB, requires more than just basic layout knowledge. As a professional IMS PCB manufacturer, we often find that early-stage design decisions directly impact not only the cost but also manufacturability, reliability, and thermal performance.

Here are our top recommendations to help you design a high-quality IMS PCB that meets both technical and production requirements:

1. Understand the Thermal Path Early

IMS PCBs are often chosen for their excellent heat dissipation. To maximize this advantage:

Place heat-generating components (like LEDs, power ICs, MOSFETs) directly above the metal core or near thermal vias.

  • Use thermal reliefs for pads to balance solderability and heat transfer.
  • Avoid thick dielectric layers if fast heat conduction is critical—choose higher thermal conductivity materials instead.

2. Use Plated Vias Wisely

In double sided IMS PCBs, plated through holes (vias) are crucial to connect the top and bottom copper layers. However:

  • Vias increase cost due to drilling and plating steps.
  • Avoid placing too many vias near mechanical mounting holes to prevent cracking during assembly.
  • For high-current paths, increase via diameter and plating thickness, or use multiple thermal vias in parallel.

3. Optimize Trace Widths and Spacing

Due to higher currents in IMS boards:

  • Use wider traces wherever possible, especially for power lines.
  • Respect minimum clearance based on copper thickness and voltage—this prevents arcing and improves reliability.
  • Avoid sharp 90° corners on high-current or RF traces; use 45° or curved corners instead.

If you’re not sure how wide your traces should be, send us your current ratings—we’ll recommend widths based on IPC standards and real-world performance.

4. Select Suitable Copper Thickness

For IMS PCBs, copper thickness directly impacts both electrical and thermal performance:

  • Standard thickness is 1oz (35”m), suitable for low to medium current.
  • For high current or improved thermal conduction, 2oz or 3oz copper is recommended.
  • Very thick copper (up to 10oz) is possible, but it increases cost and etching complexity.

5. Component Layout Planning

  • Avoid clustering hot components together—spread them out to help heat dissipation.
  • Keep temperature-sensitive components (like ICs, sensors) away from heat sources.
  • Leave clearance around mounting holes to prevent shorting with metal base.

6. Surface Finish Compatibility

Tell us your assembly process (manual, reflow, wave soldering) and component pitch—we’ll advise the best finish.

  • ENIG is recommended for flat surfaces and fine-pitch components.
  • HASL is affordable but not ideal for tight layouts.
  • Immersion silver and OSP are good for high-frequency circuits.

7. Share Your Design Goals Early

Many designers only share Gerber files at the last step. But as a manufacturer, we can provide more value when we’re involved earlier.

  • Let us know if your priority is cost, thermal performance, space saving, or high current.
  • Share thermal simulation data if available—we can help validate materials and layout choices.
  • If you’re unsure between aluminum and copper base, we can guide based on your budget and operating temperature.

Contact us early often helps reduce revisions, avoid design traps, and improve yield—saving both time and money.

Copper-Based IMS PCB Manufacturer

Double Sided IMS PCB Manufacturing Process

Manufacturing a double sided IMS PCB involves multiple controlled steps. Here’s we simply introduce the manufacturing processed involving in the insulated metal substrate fabrication:

1. Material Lamination

The copper foils and dielectric are laminated on both sides of the metal base with high pressure and temperature.

2. Drilling & Via Formation

Mechanical or laser drilling creates via holes through the board. These holes are then plated with copper to allow connectivity between top and bottom copper layers.

3. Imaging & Etching

Circuit patterns are created on both copper layers using photoresist and chemical etching.

4. Solder Mask Application

Solder mask is applied to protect copper from oxidation and to guide solder placement during assembly.

5. Surface Finishing

Finish is applied on copper pads to enhance solderability and prevent corrosion.

6. Testing

Electrical tests (shorts/opens) and inspection ensure product quality before packaging and shipment.

Here is a completed manufacturing process of IMS PCB.

Double Sided IMS PCB Surface Finish Options

  • HASL (Lead-free): Affordable, but not ideal for fine-pitch components.
  • ENIG (Electroless Nickel Immersion Gold): Excellent flatness, long shelf life, RoHS-compliant.
  • ENEPIG: Very good solderability, corrosion resistance, durable.
  • OSP: Cost-effective and environmentally friendly, but short shelf life.
  • Immersion Silver: Good for high-frequency signals, flat and solderable.
  • Hard Gold: Very durable, typically used for connectors or edge contacts, but rarely used in IMS PCB, it is popular in FR4 PCB.

At Best Technology, we recommend ENIG or ENEPIG for double sided IMS PCBs used in LED or power applications due to its durability and finish quality.

Cost Factors of Double Sided IMS PCB

The cost of a double sided IMS PCB is influenced by multiple variables, ranging from material selection to design complexity. As a manufacturer, we often find that many cost increases come from early design decisions. Here are the main cost drivers you should be aware of:

1. Material Type

Aluminum is more affordable and widely used, while copper offers better thermal performance but at a significantly higher price. If your project doesn’t demand extreme thermal performance, aluminum is usually the better choice from a budget perspective. High Tg costs more.

2. Copper Weight

Thicker copper layers allow for higher current carrying capacity and better heat dissipation, but they also increase cost:

  • Standard: 1oz (35”m)
  • Mid-range: 2oz – 3oz
  • Heavy copper: 4oz – 10oz (used in power-intensive designs)

Heavier copper requires longer etching time and more material, which increases both processing time and price.

3. Board Size & Shape

Larger PCBs naturally use more material and occupy more space on the production panel. Irregular shapes also lead to more material waste and extra routing time.

  • Square or rectangular boards make better use of panel space.
  • Rounded or irregular outlines may require CNC routing or laser cutting, which adds cost.

4. Via Count and Type

Double sided IMS PCBs require plated through holes (PTH) to connect the two copper layers. The more vias you have, and the smaller their diameter, the more complex and expensive the drilling and plating process becomes. Via-in-pad, filled vias, and microvias are more expensive.

5. Dielectric Layer Thickness

Though not the focus here, it’s worth noting: if you select high-performance dielectric materials (e.g., with higher thermal conductivity or thinner thickness), the price will increase. These materials are more specialized and costlier to produce.

6. Special Features

Any additional processes will increase cost, such as:

  • Via-in-pad or filled vias
  • Selective plating or special coatings
  • Edge plating or beveling
  • Thermal simulations or FEA reports (optional support)

These are usually project-specific, so it’s best to clarify during the RFQ stage.

Best Technology – Your Reliable IMS PCB Manufacturer

When it comes to manufacturing double sided IMS PCBs, experience, precision, and consistency matter. At Best Technology, we specialize in high-performance metal core PCBs tailored to thermal management, power conversion, and LED lighting applications.

We offer:

  • Custom solutions using aluminum or copper base materials with various shapes
  • Precision-controlled dielectric thicknesses for consistent thermal resistance
  • Tight tolerance drilling and PTH plating for stable double-sided connections
  • Surface finishes like ENIG, ENEPIG, OSP, and lead-free HASL to match your assembly needs
  • Free DFM checks with technical support
  • 24/7 before & after sales assist
  • Professional sales can provide best solution tailored to your specific requirement
  • Transparent price and data traceability
  • High quality control followed IATF 16949
  • No MOQ required, 1 pc available

Whether you need rapid prototypes or mass production, our engineering team supports you from design optimization to final testing. We believe that a good PCB starts with good communication—and we’re always ready to listen.

To get an accurate and cost-effective quote, always provide the following details upfront:

  • Base material (Al or Cu)
  • Copper thickness
  • Board size and outline
  • Layer count and via design
  • Expected volume
  • Surface finish
  • Thermal performance requirements

Send your Gerber files or RFQ to sales@bestpcbs.com to get started.

FAQs

Q1: What is the thermal conductivity of a double sided IMS PCB?

It depends on the dielectric used. Standard ranges are 1.0 to 3.0 W/m·K, with higher options available for demanding designs.

Q2: Can I place components on both sides of a double sided IMS PCB?

Typically, one side is reserved for power routing or heat dissipation, but yes, it’s technically possible depending on the application.

Q3: What surface finish is best for LED applications?

ENIG is recommended for its flatness, solderability, and long shelf life.

Q4: Are double sided IMS PCBs expensive?

They cost more than single-sided IMS or standard FR4 PCBs, but offer much better thermal and electrical performance, especially for power-intensive designs.

Q5: How can I get a quote from Best Technology?

Just email your Gerber files and requirements to sales@bestpcbs.com, and we’ll respond within 24 hours.

How to Choose MCPCB Dielectric Material for High-Power LEDs?

July 24th, 2025

How to choose MCPCB dielectric material for high-power LEDs? This guide covers material functions, types, selection criteria, and design best practices for high-power LED applications.

Are you worried about these issues?

  • LED temperature is too high, causing accelerated light decay?
  • Uneven thickness of insulation layer causes short circuit risk?
  • Is it difficult to control the cost of small batch orders?

Best Technology provide you with:

  • Free thermal analysis report: Dielectric layer thermal optimization plan is issued within 48 hours
  • Full process quality control: third-party test data is provided for each batch (including thermal conductivity/voltage resistance test)
  • Customized formula: adjust dielectric layer parameters according to power density (0.5-4.0W/m·K optional)

Welcome to contact us if you have any inquiry for MCPCB: sales@bestpcbs.com.

What Is MCPCB Dielectric Material?

MCPCB dielectric material is a specialized insulating layer designed to efficiently conduct heat while maintaining electrical isolation between the circuit traces and the metal substrate (typically aluminum or copper) in metal-core printed circuit boards. Unlike traditional FR-4 laminates, this material exhibits significantly higher thermal conductivity (typically 1–3 W/m·K), making it essential for high-power electronic applications where heat dissipation is critical.

The material’s composition often includes epoxy-based resins filled with ceramic particles, which enhance thermal performance and mechanical stability. It must also withstand high operating temperatures (up to 140°C) and match the thermal expansion coefficients of the adjacent layers to prevent delamination.

What Is MCPCB Dielectric Material?

What Are Functions of MCPCB Dielectric Materials?

  • Electrical Insulation: Prevents current leakage between conductive layers while allowing signal transmission.
  • Thermal Management: Transfers heat from components to metal core (typically aluminum/copper) with thermal conductivity up to 230 W/mK in advanced materials
  • Mechanical Support – Maintains structural integrity between metal base and circuit layers under thermal/mechanical stress.
  • Dielectric Stability – Maintains consistent dielectric constant (Dk) and low loss tangent (Df) across operating temperatures.
  • Process Compatibility – Withstands soldering temperatures (>288°C for lead-free processes) and laser drilling for via formation.
  • CTE Matching – Minimizes thermal expansion mismatch between layers to prevent delamination.
What Are Functions of MCPCB Dielectric Materials?

What Are Applications of MCPCB Dielectric Materials?

Applications of MCPCB dielectric materials:

  • LED Lighting – Architectural/automotive/industrial high-power LED modules.
  • Automotive Systems – ADAS radar modules, EV battery management.
  • Power Electronics – DC-DC converters, high-current switching supplies.
  • Aerospace/Defense – Satellite RF amplifiers, extreme-temperature avionics.
  • AI/HPC Hardware – 2.5D/3D IC packaging for AI accelerators.
  • Motor Drives – Industrial VFDs, servo controller IGBT modules.
What Are Applications of MCPCB Dielectric Materials?

MCPCB Dielectric Material Dielectric Constant

Material TypeDielectric Constant (Δr)
Ceramic-filled Polymer4.0-5.0
Epoxy Resin3.5-4.5
Polyimide3.2-3.8
Al₂O₃-filled Composite4.2-4.8
AlN-filled Composite8.5-9.5
PTFE2.0-2.1

What Are Types of MCPCB Dielectric Material?

1. Ceramic-filled Polymer

  • Specialty blends with ceramic particles for thermal conductivity (1.0-3.0 W/m·K).
  • Used in Bergquist IMS series for LED/automotive applications.

2. Epoxy Resin

  • Standard dielectric material with low thermal conductivity (0.3-0.8 W/m·K).
  • Cost-effective for low-power MCPCBs.

3. Polyimide

  • High-temperature-resistant polymer (up to 260°C).
  • Used in aerospace/defense MCPCBs requiring thermal stability.

4. Al₂O₃-filled Composite

  • Oxide ceramic filler enhances thermal performance (3.5-5.0 W/m·K).
  • Common in Dow/Laird high-reliability products.

5. AlN-filled Composite

  • Ultra-high thermal conductivity (170-230 W/m·K).
  • Premium option for EV battery/RF power modules.

6. PTFE (Polytetrafluoroethylene)

  • Low-loss dielectric for high-frequency applications.
  • Used in RF/microwave MCPCB designs.

How to Choose MCPCB Dielectric Material for High-Power LEDs?

1. Core Performance Priorities

Thermal Conductivity

  • Select ≄2.0 W/m·K materials (e.g., AlN composites) for LED arrays >50W/cmÂČ.
  • Avoid epoxy resins (<1.0 W/m·K) in high-power applications.
  • Verify via ASTM D5470 thermal impedance testing.

Electrical Insulation

  • Require breakdown voltage ≄5kV and volume resistivity ≄10ÂčÂČΩ·cm.
  • Mandate UL 94 V-0 flammability certification.
  • Validate performance at 85℃/85%RH humidity.

CTE Matching

  • Align dielectric CTE with copper (17-18ppm/℃) and aluminum (23-24ppm/℃).
  • Use Al₂O₃ (6-8ppm/℃) with buffer layers for CTE mismatch compensation.

2. Material Selection Strategy

Power Density <3W/cmÂČ (General Lighting)

  • Aluminum MCPCB (1.5-2.0W/m·K) with prepreg thickness 0.1-0.2mm.
  • Cost-optimized FR-4 alternative with additional heat sinks.

Power Density 3-10W/cmÂČ (Automotive/Industrial)

  • Copper MCPCB (3.0-4.5W/m·K) + AlN dielectric layer.
  • Require vacuum lamination process with >95% void-free rate.

Power Density >10W/cmÂČ (Laser/UV LEDs)

  • DBC ceramic substrate (AlN/BeO) with MIL-STD-883 thermal shock compliance.
  • Partner with suppliers providing original sintering curves.

3. Supplier Evaluation Checklist

Technical Compliance

  • Provide dielectric thickness vs. thermal resistance curves.
  • Share third-party test reports for RoHS/REACH compliance.

Production Capability

  • Confirm brown oxidation process uses chromium-free formulas.
  • Validate line width accuracy ±10ÎŒm and solder mask 288℃ resistance.

Cost Structure

  • Request material cost breakdown (copper 35%/dielectric 40%).
  • Negotiate copper price adjustment clauses for ±5% fluctuations.
How to Choose MCPCB Dielectric Material for High-Power LEDs?

High-Power LED MCPCB Design Guideline

1. Requirement Analysis

  • Define LED power density (W/cmÂČ), operating voltage, and thermal budget.
  • Identify environmental factors: ambient temperature, humidity, vibration levels.
  • Set cost targets: balance material quality with production volume.

2. Material Selection Strategy

  • Low Power (<3W/cmÂČ): Aluminum MCPCB with 1.5-2.0W/m·K dielectric.
  • Medium Power (3-10W/cmÂČ): Copper MCPCB + AlN dielectric layer.
  • High Power (>10W/cmÂČ): DBC ceramic substrate (AlN/BeO).

3. Layout Optimization

  • Place LEDs in matrix pattern with ≄2mm spacing between high-power components.
  • Use dedicated traces for power/ground (≄1mm width for >2A currents).
  • Avoid sharp angles in copper traces to prevent hotspots.

4. Thermal Management

  • Implement thermal vias under LED pads (diameter ≄0.5mm, pitch ≀1.5mm).
  • Use graphite sheets for lateral heat spreading in compact designs.
  • Validate thermal performance with IR camera testing.

5. Prototype Validation

  • Conduct 72-hour burn-in test at 85℃ ambient temperature.
  • Measure junction temperature using thermal couples or IR thermography.
  • Verify insulation resistance after 168hrs at 85%RH humidity.

6. Production Readiness

  • Require suppliers to provide PPAP documentation for critical materials.
  • Implement SPC for dielectric layer thickness (±10% tolerance).
  • Use AOI systems for solder paste inspection and component alignment.

Why Choose Best Technology as MCPCB Manufacturer?

Reasons why choose us as your MCPCB manufacturer:

  • High-Quality Dielectric Material Solution – Provides a high-performance insulating layer with a thermal conductivity of 2.8W/m·K, which improves the heat dissipation efficiency by 40% compared to conventional materials.
  • 24-Hour Rapid Prototyping Service – Accelerates product development cycle, reducing time-to-market by 30% compared to industry standards.
  • Fast Lead Times (7-15 days for bulk orders) – Shorten production cycles by 30% compared to competitors.
  • 18+ Years Industry Expertise- Provides free DFM analysis to optimize designs for cost and performance.
  • Competitive Pricing with No Hidden Fees – Delivers 15–20% cost savings compared to European suppliers.
  • No-MOQ Flexibility – Start with small batches to test markets before scaling up.
  • Global Logistics Support – Hassle-free shipping to 50+ countries with customs expertise.
  • One-Stop Solution – From PCB design to assembly, reduce supplier management complexity.
  • 24/7 Technical Support – Engineers on standby to resolve issues within 4 hours.
  • Long-Term Partnership Pricing – Volume discounts and flexible payment terms for repeat clients.

By integrating rapid response with professional technical services, we help customers achieve the core value of reducing R&D cycle by 50%+ and improving mass production yield to 99%, please feel free to contact Best Technology if you have any request for MCPCB: sales@bestpcbs.com.

IMS PCB Technology, IMS Circuit Board Manufacturer

July 24th, 2025

What is IMS PCB technology? This guide covers its definition, benefits material options like aluminum substrates, applications, design rules, manufacturing processes, and future innovations.

Are you bothered by these problems?

  • Is your product frequently downtime due to insufficient heat dissipation?
  • Are you in a dilemma between material cost and heat dissipation performance?
  • Does space limitation limit your PCB design flexibility?

Best Technology can provide:

  • Our IMS PCB uses a high thermal conductivity aluminum substrate, which reduces thermal resistance by 50% to ensure continuous and stable operation.
  • Optimize the metal substrate process, reduce costs by 20%, increase heat dissipation efficiency by 30%, and achieve the best cost performance.
  • Support customized multi-layer metal substrates, compatible with high-density wiring, and adapt to compact space requirements.

Welcome to contact us if you have any request for IMS PCB: sales@bestpcbs.com.

What Is IMS PCB Technology?

IMS (Insulated Metal Substrate) PCB technology integrates a metal core, typically aluminum or copper with a thermally conductive dielectric layer and copper circuitry, creating a “metal-backed heat sink” for electronic components. Unlike traditional FR4 boards prone to overheating, IMS PCBs rapidly dissipate heat from high-power components (like LEDs, power converters, or 5G amplifiers), boosting device lifespan by up to 40% while preventing thermal failure. This makes them essential for demanding applications in automotive lighting, renewable energy systems, and medical devices, where efficient heat management ensures reliability, compact designs, and safety compliance.

What Is IMS PCB Technology?

What Are Advantages of IMS PCB Technology?

Benefits of IMS PCB Technology

  • Superior Heat Dissipation – Aluminum cores efficiently transfer heat away from high-power components (e.g., LEDs, power modules), reducing thermal stress and extending lifespan. Ideal for applications like automotive lighting and industrial power electronics.
  • Enhanced Durability – Metal substrates provide mechanical strength, resisting vibration and shock—critical for rugged environments (e.g., aerospace, automotive).
  • Compact & Lightweight Design – Enables slimmer, lighter products without compromising performance, benefiting portable electronics and space-constrained systems.
  • High Electrical Insulation – Prevents short circuits even under high voltage, ensuring safety in power-sensitive applications.
  • Cost-Effective Longevity – Reduced cooling requirements (e.g., fewer heat sinks) lower overall system costs while improving reliability.
What Are Advantages of IMS PCB Technology?

What Are Applications of IMS PCB Technology?

Applications of IMS PCB Technology

  • LED Lighting: High-power LED systems (e.g., streetlights, headlights) for heat dissipation and durability.
  • Automotive: Engine controls, EV battery management, and power modules for thermal/vibration resistance.
  • Power Electronics: Inverters, converters, and motor drives for compact, high-temperature performance.
  • Consumer Electronics: Adapters, chargers, and gaming devices to prevent overheating.
  • Industrial: Factory automation, robotics, and solar inverters for extreme-condition reliability.
What Are Applications of IMS PCB Technology?

What Are Substrate Material Types of IMS PCB?

Aluminum (AL) Substrates

  • Most common, cost-effective, and lightweight.
  • Thermal conductivity: 1–4 W/m·K (standard) to 10–15 W/m·K (premium grades).
  • Best for: LED lighting, power supplies, and automotive electronics.

Copper (Cu) Substrates

  • Higher thermal conductivity (up to 400 W/m·K).
  • More expensive but ideal for ultra-high-power applications (e.g., EV inverters, high-density power modules).

Steel Substrates

  • Lower cost, but heavier and less thermally conductive (≈ 1–2 W/m·K).
  • Used in: Industrial control boards where cost outweighs strict thermal needs.

Ceramic Substrates (Alumina, AlN, BeO, SiN)

  • Ultra-high thermal conductivity (AlN: 80–200 W/m·K).
  • Brittle and expensive, but critical for aerospace, high-frequency RF, and high-power electronics.

Composite Substrates (e.g., Al+FR4 Hybrid)

  • Combines metal core with FR4 layers for mixed-signal designs.
  • Balances cost and thermal management in complex PCBs.

    Choosing the Right Substrate:

    • For cost & general use: Aluminum.
    • For extreme heat dissipation: Copper or ceramics.
    • For rugged environments: Steel or hybrid composites.

    IMS PCB Design Guidelines

    Insulated Metal Substrate PCB Design Guidelines:

    1. Material Selection

    • Base Metal: Aluminum (1060, 5052, 6061) or copper, thickness 0.5–3.0 mm.
    • Dielectric Layer: Epoxy resin with inorganic fillers (75–150 ”m), thermal conductivity 8–12× FR4.
    • Copper Foil: 1–5 oz (35–140 ”m), surface finishes: HASL, ENIG, OSP..

    2. Layer Stackup

    • Single-Sided: Metal base → dielectric → copper circuit.
    • Double-Sided Hybrid: FR4 core + thermal vias for heat dissipation.
    • Multi-Layer: Metal-core layers interleaved with FR4 for complex routing.
    • Thermal Vias: Array of vias (≄0.3 mm dia) to conduct heat to the metal base.

    3. Thermal Management

    • Thermal Resistance: IMS PCBs achieve 100× lower thermal resistance than FR4 (e.g., 0.15 mm dielectric vs. 1.6 mm FR4).
    • Heat Dissipation: Prioritize component placement near the metal base; use thermal vias for high-power devices.
    • Simulation: Validate thermal performance using ANSYS.

    4. Electrical Performance

    High-Speed Design:

    • Use stripline for signals >15 Gbps; microstrip for <15 Gbps.
    • Impedance control: 50Ω (single-ended), 100Ω (differential).
    • Dielectric material: Rogers 4350B (Dk=3.48, Df=0.0037) for frequencies >5 GHz.
    • Power Integrity: Dedicate power/ground layers; minimize via stubs in high-speed traces.

    5. Manufacturing Considerations

    Minimum Features:

    • Line/space: 0.075 mm (1 oz Cu) to 0.275 mm (5 oz Cu).
    • Drill size: Mechanical ≄0.3 mm, laser ≄0.1 mm.
    • Tolerance: Layer thickness ±8%, line width/spacing ±20%.
    • Surface Finish: ENIG for fine-pitch components; HASL for cost sensitivity.

    6. Reliability & Testing

    • Thermal Cycling: -40°C to 125°C, 1,000 cycles with <5% delamination.
    • Insulation Resistance: >100 MΩ at 500V DC.
    • Dielectric Withstanding: AC 1,000V/1 min no breakdown.

    7. Application-Specific Tips

    • LED Lighting: Place LEDs directly on the metal base; use thick copper (3–5 oz) for current paths.
    • Automotive/Aerospace: Prioritize CTE matching between dielectric and metal base to avoid thermal stress.

    8. Design Rules Summary

    ParameterRecommendation
    Dielectric Thickness75–150 ”m
    Copper Weight1–5 oz (35–140 ”m)
    Thermal ViasArray density ≄10 vias/cmÂČ
    Minimum Trace/Space0.075 mm (1 oz Cu)
    Impedance Control±10% tolerance

    IMS Circuit Board Manufacturing Processes

    IMS PCB Manufacturing Processes

    1. Material Preparation

    • Base Metal: Aluminum (1060, 5052, 6061) or copper sheets (0.5–3.0 mm thickness), pre-laminated with copper foil (1–5 oz).
    • Dielectric Layer: Ceramic/boron-filled epoxy resin (75–150 ”m), thermal conductivity 8–12× FR4.
    • Pre-Treatment: Clean metal surface, apply photoresist, and expose to UV light for pattern hardening.

    2. Layer Stackup & Imaging

    • Lamination: Stack prepreg (epoxy-coated glass fiber), base material, and copper foil. Press at 150–200°C under 3–5 MPa.
    • Outer Layer Imaging: Use transparent film masks and UV exposure to define copper traces. Develop unexposed areas with alkaline solutions.

    3. Etching & Drilling

    • Chemical Etching: Remove unprotected copper using ammonium persulfate or ferric chloride. Control etch time for inner layer precision.
    • Precision Drilling: CNC-controlled drilling (≄0.1 mm diameter, 150,000 RPM). X-ray alignment for through-holes and microvias.

    4. Plating & Surface Finish

    • Electroless Copper: Deposit 1 ”m copper on hole walls for interlayer conductivity.
    • Electroplating: Thicken copper to target weight (e.g., 35 ”m) and apply tin shielding.
    • Surface Treatment: ENIG (electroless nickel/immersion gold), OSP (organic solderability preservative), or HASL (hot air solder leveling).

    5. Thermal Management & Testing

    • Thermal Cycling: -40°C to 125°C for 1,000 cycles. Insulation resistance >100 MΩ at 500V DC.
    • Dielectric Testing: AC 1,000V/1 min without breakdown.
    • AOI (Automated Optical Inspection): Verify trace/space accuracy (±20% tolerance) and defect detection.

    6. Final Fabrication & QA

    • CNC Routing: Shape boards with ±0.1 mm tolerance.
    • Silkscreen: Print identifiers, warnings, and component labels.
    • Packaging: Vacuum-seal with desiccant; include CoC (Certificate of Conformance) and material certs (e.g., UL 94V-0).

    Why Choose Best Technology as IMS Circuit Board Manufacturer?

    Reasons why choose Best Technology as IMS circuit board manufacturer:

    • Proven Thermal Expertise – Engineered for high-power applications with optimized heat dissipation.
    • Tight Tolerances (±0.05mm) – Precision manufacturing for demanding designs.
    • Fast Turnaround (24 hours Prototype, 5-7 days Production) – Accelerated timelines without quality compromise.
    • Turnkey Solutions – Full-service PCB manufacturing from design to delivery, accelerating your product’s time-to-market.
    • ISO 14001/ISO 13485 certification: medical/automotive customers are exempt from secondary testing, and compliance costs are reduced by 30%
    • Cost-Effective Solutions – Bulk discounts and material optimization reduce PCB costs.
    • Hybrid PCB Capabilities – Seamless IMS-FR4 integration for complex layouts.
    • ROHS/REACH Compliance – Eco-friendly materials for global market access.
    • Custom Dielectric Formulations – Tailored thermal conductivity (1.5–5.0 W/m·K).
    Why Choose Best Technology as IMS Circuit Board Manufacturer?

    Welcome to contact us if you have any request for IMS PCB: sales@bestpcbs.com.

    Future IMS PCB Technology Trends

    Advanced Thermal Materials‌

    • Use of ‌high-thermal-conductivity ceramics‌ (e.g., AlN, BeO) for extreme heat dissipation.
    • Development of ‌flexible IMS substrates‌ with better thermal performance.

    Miniaturization & High-Density Interconnects‌

    • Microvias‌ and ‌HDI technology‌ for compact designs in automotive/5G applications.
    • Embedded components‌ (resistors, capacitors) to reduce footprint.

    Automotive & EV Focus‌

    • High-power IMS PCBs‌ for ‌inverters, battery management, and motor drives‌.
    • AEC-Q200 compliance‌ for reliability in harsh environments.

    Integration with AI & IoT‌

    • Smart PCBs‌ with embedded sensors for real-time thermal monitoring.
    • AI-driven design optimization‌ for thermal efficiency.

    Sustainable Manufacturing‌

    • Lead-free, halogen-free materials‌ to meet RoHS/REACH standards.
    • Recyclable metal cores‌ (Al, Cu) for eco-friendly production.

    High-Frequency & High-Speed Applications‌

    • Low-Dk dielectric materials‌ for 5G/mmWave RF applications.
    • EMI shielding integration‌ to minimize signal interference.

    Conclusion
    IMS PCB technology delivers unmatched thermal performance (up to 12x better than FR4) and structural innovation (3-layer design), making it ideal for high-power LED, automotive, and industrial applications. With materials ranging from aluminum to hybrid substrates, the industry is advancing toward higher thermal conductivity (19W/mK+). Best Technology combines precision (±0.05mm tolerance) with rapid prototyping (24-hour turnaround) to provide reliable solutions. Contact our engineers today for a custom quote and expert support: sales@bestpcbs.com.

    Aluminium Metal Core PCB​, China Aluminium Core PCB Factory​

    July 24th, 2025

    Aluminium core PCB is a printed circuit board that uses aluminum as its base layer. It’s designed to transfer heat away from components quickly, keeping devices cool and stable. This makes it ideal for high-power applications like LED lighting, automotive systems, and power electronics.

    Aluminium Metal Core PCB​, China Aluminium Core PCB Factory​

    What is metal core pcb?

    Metal core PCB, often called MCPCB, uses a metal base instead of the traditional FR4 or epoxy glass. This base is usually aluminium, copper, or a mix of both. Among them, aluminium metal core PCBs are by far the most popular due to their balance of performance, weight, and cost.

    This core serves as the backbone of the PCB, offering strong thermal conductivity, mechanical support, and efficient heat dissipation. These properties make it ideal for high-power circuits where temperature control is critical.

    Why use a metal core PCB?

    Electronic components, especially high-power LEDs and MOSFETs, generate heat. If that heat stays trapped, it kills performance and shortens lifespan.

    Metal core PCB fights this issue head-on. Its design allows heat to transfer quickly from the circuit layer to the metal base, keeping components cool and stable. That means fewer failures, longer device life, and lower maintenance.

    They’re not just about heat. MCPCBs also improve structural strength, reduce size, and support higher component density. All these benefits combined make them a go-to for industries like automotive, telecommunication, aerospace, and medical devices.

    What are the pros and cons of aluminum PCB?

    Every material has its strengths and weaknesses. But in the case of aluminium PCBs, the pros are far more impressive than the cons.

    Advantages:

    • Excellent Thermal Management: Aluminium pulls heat away from hot components, preventing damage.
    • Lightweight Yet Strong: Compared to copper, aluminium offers solid durability at a lower weight.
    • Cost-Effective: It’s more affordable than copper but delivers reliable thermal conductivity.
    • Eco-Friendly: Aluminium is recyclable and non-toxic, helping meet sustainability goals.
    • Improved Dimensional Stability: The structure remains stable even under changing temperatures.
    Aluminium Metal Core PCB​, China Aluminium Core PCB Factory​

    Disadvantages (Very Few):

    • Slightly less flexible than FR4 in design.
    • Electrical insulation must be carefully managed to avoid short circuits.

    Still, for most applications, these drawbacks are easily handled by professional manufacturers.

    What does aluminum core mean?

    Aluminum core PCB refers to a circuit board with three main layers:

    • Copper Circuit Laye: This is where your electronic components sit.
    • Dielectric Layer: An insulating layer that transfers heat to the core while isolating electricity.
    • Aluminium Base Layer: A thick base of aluminium that provides strength and heat sinking.

    This core turns a standard PCB into a high-performance solution, especially for high-current and high-heat devices.

    Why choose an aluminum core PCB?

    There are many reasons to choose aluminum core PCB instead of traditional PCB. Its core advantages go far beyond temperature control. Here’s why they shine:

    • Superior Heat Dissipation: Keep components safe even in the most demanding power applications.
    • Durable Construction: Withstands mechanical stress and harsh environments.
    • Compact Design: Allows for smaller, thinner devices without sacrificing reliability.
    • Better Reliability: Lowers the risk of overheating, which often causes circuit failure.
    • Improved Energy Efficiency: Less heat means less energy wasted, which is a win in power-sensitive applications.
    • Great for LED Applications: Aluminium PCBs have become the backbone of LED lights due to their excellent thermal properties.
    Aluminium Metal Core PCB​, China Aluminium Core PCB Factory​

    If your end product needs to perform well under pressure, aluminium core PCBs are a rock-solid choice.

    How is aluminium PCB made?

    The aluminium PCB manufacturing process is both precise and efficient. Here is a brief process of the aluminum substrate PCB factory:

    • Raw Material Preparation – Aluminium base is selected, cleaned, and pre-treated for bonding.
    • Dielectric Layer Application – An insulating, thermally conductive layer is laminated onto the aluminium.
    • Copper Cladding – A copper sheet is bonded on top of the dielectric.
    • Image Transfer – Circuit patterns are printed and developed on the copper layer.
    • Etching – Unwanted copper is removed, leaving the circuit behind.
    • Solder Mask and Silkscreen – Protective coatings and labels are added.
    • Surface Finish – Finishing like ENIG, HASL, or OSP is applied to improve solderability.
    • Testing – Electrical and visual inspections are done to ensure perfection.

    BEST Technology’s modern factory uses automated production lines and strict quality control to produce high-reliability circuit boards at competitive aluminum plate prices.

    How does PCB stackup affect heat?

    The layer structure of a PCB controls how well it dissipates heat and shields signals. For aluminium metal core PCBs, the stackup typically follows this pattern:

    • Copper layer on top for components
    • Thin dielectric for thermal transfer
    • Thick aluminium base for heat sinking

    This simplified layout boosts thermal flow. By reducing the thermal resistance between heat-generating components and the aluminium base, the heat escapes more efficiently.

    A good PCB stackup design ensures low heat buildup, better EMI performance, and long-term reliability.

    What is the difference between aluminum PCB and FR4?

    FR4 PCBs use fiberglass-reinforced epoxy as the core. They’re cheap, widely used, and fine for low-power electronics. But they trap heat. When used in high-power circuits, the temperature rise can damage components.

    Aluminum PCBs, on the other hand, replace the FR4 core with a metal core. This major change improves:

    • Heat transfer
    • Mechanical strength
    • Lifespan
    • Power capacity
    Aluminium Metal Core PCB​, China Aluminium Core PCB Factory​

    Also, FR4 lacks the ability to dissipate heat efficiently, while aluminium PCBs can handle up to 10× better thermal flow. That’s why they dominate in LED lighting, automotive modules, and industrial drives.

    What’s the thermal conductivity of aluminium core PCB?

    The thermal conductivity of an aluminium core PCB depends on the dielectric layer and aluminium grade, but it usually ranges between 1.0 W/mK to 3.0 W/mK. Some high-end materials can reach up to 5.0 W/mK.

    By comparison, FR4’s thermal conductivity is just 0.25 W/mK. That makes aluminium core PCBs around 4 to 20 times more effective at transferring heat.

    Conclusion:

    Aluminium core PCBs offer powerful thermal management, high durability, and compact design, making them ideal for modern electronics like LED lighting, power supplies, and automotive systems. Compared to traditional FR4 boards, they handle heat far more efficiently, ensuring longer device life and better performance.

    Need a reliable aluminium core PCB manufacturer? Contact us at sales@bestpcbs.com

    Chip on Board LED Grow Light​, COB LED PCB Manufacturer

    July 24th, 2025

    Indoor gardening has seen a boom in recent years, especially with the rise of efficient grow light systems. Among these, the chip on board LED grow light—often known as COB LED grow light—has gained popularity for its superior performance. But behind every powerful COB grow light lies a well-designed circuit board that manages everything from heat to power distribution.

    In this article, we’ll explore how COB LEDs work and how to design a COB LED PCB to reach better performance. Let’s keep reading.

    What Is a Chip on Board LED Grow Light?

    A chip on board LED grow light is a type of lighting system where multiple LED chips are mounted directly onto a single substrate or circuit board. Instead of using dozens or even hundreds of individual LED diodes (like in traditional SMD LED grow lights), a COB LED light packs high-intensity chips closely together.

    The COB LED PCB (Printed Circuit Board) not only holds these chips but also plays a crucial role in:

    • Conducting electrical signals efficiently
    • Managing heat buildup
    • Supporting the light’s physical structure

    So while most people focus on the “light,” professionals know that a high-quality COB LED grow light starts with a reliable, well-designed circuit board.

    Chip on Board LED Grow Light​, COB LED PCB Manufacturer

    Chip on Board LED Grow Light​, COB LED PCB Manufacturer

    Advantages of COB LED in Grow Lights

    Why are so many manufacturers and indoor growers switching to COB technology? Here are some reasons.

    • Full Spectrum Light

    A COB LED grow light full spectrum covers all wavelengths needed for healthy plant growth, including red, blue, and white light. So that plants enable to thrive in every stage—from seedling to flowering—without changing the light source.

    • High Light Intensity

    Because multiple chips are placed together, COB LEDs deliver stronger, more focused light. This can improve canopy penetration and boosts PPFD (Photosynthetic Photon Flux Density), meaning more usable light reaches your plants.

    • Energy Efficiency

    Compared to older HID or fluorescent lighting, COB LEDs use less electricity and produce less heat for the same or better results.

    • Longer Lifespan

    Fewer components, better thermal design, and robust build quality allow COB LEDs to last for 50,000 hours or more—if the PCB is properly designed.

    • Compact Design

    With fewer components, COB grow lights are thinner, lighter, and easier to install—perfect for small grow tents or professional setups.

    Factors That Affect COB LED Grow Light Price

    The COB LED PCB cost higher than normal LED PCB, do you know why? Here are some factors we summarized for your information:

    1. Wattage & Size: More powerful lights require larger boards, thicker copper layers, and more robust cooling solutions.

    2. Spectrum Design: Adding UV or IR wavelengths, or fine-tuning the spectrum to specific plant types, often requires specialized LED chips and tailored PCBs.

    3. Heat Management: Better thermal control means more expensive materials—like aluminum, copper, or even ceramic substrates—to handle higher heat loads.

    4. PCB Material & Build Quality: Cheap PCBs may use thin copper or poor insulation, which can lead to early failures. Investing in a high-performance COB LED PCB ensures long-term reliability.

    Why Customizing COB LED PCB Matters?

    For most lighting brands, buying standard COB LED modules can feel like a quick solution. But this approach comes with limitations:

    • You can’t control LED layout or spectrum design.
    • You may struggle with heat management in compact fixtures.
    • You depend on another supplier’s quality control, which risks inconsistencies.
    • Your products may look and perform like every other generic grow light.

    By choosing to customize your COB LED circuit board, you gain:

    • Full control over chip placement and power design
    • Optimized thermal performance with proper materials and layouts
    • Enhanced durability for longer-lasting lights
    • A chance to differentiate your product in the market with unique features

    In short, the circuit board is where you gain your competitive edge.

    COB LED PCB for Grow Lights

    COB LED PCB for Grow Lights

    Common Challenges in COB LED PCB for Grow Lights

    Designing COB LED PCBs for grow lights isn’t just about putting LEDs on a board. There are critical challenges that require engineering expertise:

    1. Overheating

      High-power LEDs generate significant heat. Without proper thermal vias, heat sinks, and substrate materials, the board can overheat, shortening LED life.

      2. Uneven Light Distribution

      Poor chip placement can cause hot spots or dark areas in your grow tent, affecting plant growth.

      3. Electrical Failures

      Low-quality boards might use thin copper layers, poor soldering, or weak insulation—leading to power issues or early burnout.

      4. Moisture Damage

      Grow rooms are humid environments. Without protective coatings or water-resistant designs, PCBs can corrode or short circuit.

      5. Compatibility Issues

      Boards not designed for specific drivers or enclosures can cause assembly headaches or require costly redesigns.

      How to Design COB LED Circuit Boards for Grow Lights?

      When designing COB LED circuit boards for plant grow lights, three critical elements must be optimized: spectrum control, light intensity adjustment, and thermal management. Here are some tips that help you to design a COB LED circuit board:

      1. Spectrum Matching

        Select high-efficiency LED chips in red (660nm), blue (460nm), and far-red (730nm) wavelengths. Use high-density COB arrays to ensure full coverage of the effective photosynthetically active spectrum (400–780nm).

        How to Design COB LED Circuit Boards for Grow Lights?

        2. Light Intensity Control

        Integrate dimmable circuits with adjustable output from 0–1000 ÎŒmol/mÂČ/s. Enable smooth dimming to meet plant needs at all growth stages—from seedling to flowering.

        3. Thermal Management

        Use ENIG (Electroless Nickel Immersion Gold) surface finish and optimized heat paths. Pair the PCB with a die-cast aluminum housing for efficient heat dissipation. Ensure LED operating temperature stays below 50°C to prevent leaf burn.

        4. Pad Design

        Apply ENIG or gold plating for all bonding pads. Pad size should exceed chip size by 0.25–0.3mm to prevent misalignment or chip rotation.

        Best Technology – Your Partner for COB LED PCB Customization

        At Best Technology, we specialize in manufacturing high-performance COB LED circuit boards tailored for plant grow light applications. Whether you’re prototyping a new grow light or scaling up production, Best Technology provides reliable, cost-effective, and tailored PCB solutions that help your products thrive in a competitive market.

        • Expert assistance before, during, and after your order.
        • We welcome prototypes and small-volume runs.
        • Reliable quick production and on-time delivery.
        • High-quality PCBs with support for special requirements.
        • Skilled engineers with deep know-how in COB LED PCB design.
        • Over 19 years of expertise in PCB manufacturing.
        • Guaranteed reply to inquiries within 12 hours.
        • From bare PCB to PCBA and full assembly services.

        Our Services for Grow Light Manufacturing

        • Prototype Development
        • Fast turnaround for small-batch testing
        • Custom circuit design tailored layouts for your power, size, and spectrum needs
        • Thermal Simulation & Optimization
        • Predict and resolve heat issues before production.
        • Full Testing including AOI, flying probe, thermal shock, and aging tests
        • From small batch to mass production, we scale with your needs

        How to Start Your COB LED PCB Project?

        To begin your COB LED PCB prototype, please prepare the following:

        • Application details (e.g., plant type, grow light usage)
        • Power specs (wattage, voltage, current)
        • LED chip info (model, quantity, layout) – if available
        • Board size and shape (dimensions, drawing or sketch)
        • Material preference (aluminum, copper, or ceramic) – optional
        • Thermal/environmental needs (max temperature, moisture protection)
        • Order quantity (prototype & production volume)
        • Target timeline (delivery date for samples)

        Once we receive this, we’ll provide design suggestions, quotation, and lead time. Let’s build your custom COB LED PCB—contact us today.

        If you’re ready to stand out in the competitive grow light market, start with the right foundation. A custom COB LED circuit board from Best Technology ensures your product is efficient, reliable, and built for success. Contact Best Technology today to customize your COB LED PCB.

        FAQs

        1. Can you support small batch COB LED PCB orders?

          Yes, we welcome both small and large batch orders, perfect for prototyping and niche projects.

          2. What materials are best for COB LED Grow Light circuit boards?

          We recommend aluminum MCPCB for standard applications and ceramic (AlN) for high-performance needs.

          3. How long does PCB prototyping take?

          Prototyping typically takes 5–7 working days, depending on complexity.

          4. Do you help with thermal design for COB PCBs?

          Absolutely. We provide thermal simulation and layout support to ensure your board stays cool.

          5. Can I get samples before mass production?

          Yes, we offer samples so you can test quality and performance before scaling up.

          LED bulb MCPCB, Aluminium MCPCB board for LED bulb​

          July 24th, 2025

          LED bulb MCPCB is a metal-based circuit board designed to support and cool LED chips. It replaces standard PCBs in LED bulbs to handle high heat. Aluminum MCPCB is the most common type used in LED bulbs. It offers excellent heat transfer, improves bulb lifespan, and ensures stable lighting in compact spaces.

          LED bulb MCPCB, Aluminium MCPCB board for LED bulb​

          What is LED bulb MCPCB?

          LED Bulb MCPCB is a specialized type of circuit board designed to handle the unique demands of LED lighting. Unlike regular PCBs, it features a metal base—usually aluminium—that helps manage the intense heat LEDs generate.

          In a compact bulb where space is limited, heat can build up quickly. The MCPCB works as a silent protector. It absorbs and transfers heat away from the LEDs, keeping the bulb cool, safe, and long-lasting.

          The LED bulb MCPCB doesn’t just manage heat—it stabilizes performance. Without it, your bulb might flicker, burn out fast, or even overheat.

          Why choose Aluminium MCPCB board for LED bulb?

          Aluminium MCPCB boards are the go-to choice for LED bulbs. Why? Because aluminium delivers superior thermal conductivity, low cost, and lightweight properties. It keeps the LED components safe, efficient, and cool under pressure.

          When you use an aluminium MCPCB board for LED bulb, you’re choosing durability without sacrificing design. Aluminium is also recyclable, which makes it a greener option for sustainable lighting. Plus, it resists wear and corrosion, helping your bulb last longer, even in tough environments like factories or outdoors.

          LED bulb MCPCB, Aluminium MCPCB board for LED bulb​

          This material is also easier to shape and fit into bulb housings. That makes the manufacturing process smoother and faster, which leads to better quality and more affordable LED lighting for everyone.

          How is LED bulb MCPCB different from regular PCBs?

          Most traditional PCBs use FR4, a fiberglass-based material that can’t handle high heat well. Regular PCBs might work in low-temperature electronics, but LED bulbs are a different story.

          LEDs emit heat as they shine. If you use a regular PCB, the heat stays trapped, slowly damaging the LEDs. Over time, this leads to reduced brightness, shorter lifespan, and possible safety issues.

          On the other hand, LED bulb MCPCBs, especially those made with aluminium, are heat masters. They move the heat away from sensitive components, improving efficiency and making your bulb last longer.

          What is AC DC LED bulb MCPCB?

          It refers to a special MCPCB used in bulbs that can operate with both alternating current (AC) and direct current (DC). These boards are equipped with additional circuitry to manage voltage conversion and stabilize current flow.

          It can be used in various settings—homes, offices, emergency lighting, solar lighting.

          An AC DC LED bulb MCPCB is ideal for markets where power sources vary. It keeps performance consistent, reduces the chance of failure, and expands the bulb’s usability.

          How does LED bulb driver circuit work?

          The LED bulb driver circuit is usually integrated into the MCPCB itself or connected to it. It converts high-voltage AC power into a lower-voltage DC current that LEDs need. It also stabilizes voltage fluctuations, protecting sensitive components.

          Driver circuit controls the electrical input to the LEDs. It ensures the current stays steady and within safe limits. These circuits help cut down on energy waste, reduce heat, and extend the life of your bulb.

          What is LED bulb MCPCB used for?

          LED bulb MCPCBs are used in light bulbs. But there’s more to it.

          They’re essential in any LED lighting that demands compact size, heat management, and long-term reliability. This includes:

          • Residential LED bulbs
          • Commercial ceiling lights
          • Emergency lighting
          • Solar-powered lamps
          • Automotive LED lights
          • Industrial high-bay lights
          LED bulb MCPCB, Aluminium MCPCB board for LED bulb​

          These boards can be customized in shape, layer count, and thickness to match specific lighting needs. From a tiny reading lamp to a streetlight, MCPCBs play a central role.

          Can 15 watt LED bulb MCPCB handle heat well?

          15 watt LED bulb MCPCB is typically made with thicker aluminium and better thermal vias. These help spread heat across a larger surface and transfer it efficiently to the bulb’s housing.

          With smart layout and quality soldering, it can easily handle the thermal load. The key lies in choosing the right materials and thickness. At Best Technology, for example, we design each LED bulb MCPCB to match the wattage’s thermal needs, so it performs without breaking a sweat.

          Is 50 watt LED bulb MCPCB durable enough?

          50 watt LED bulb MCPCB usually include larger heat sinks and thicker copper layers to carry higher currents. It powers high-brightness lighting and must handle serious heat. They also feature stronger insulation layers to prevent breakdown over time.

          Used in high-power LED floodlights, industrial lamps, or streetlights, 50 watt LED bulb MCPCBs are built for endurance. Their design ensures thermal resistance, electrical stability, and rugged durability.

          What is the difference between MCPCBs for LED bulbs of different watt?

          As the wattage goes up, the complexity and strength of the board must increase. Here’s how they differ:

          • 9W LED bulb MCPCB: Thin, compact, ideal for home lighting.
          • 12W LED bulb MCPCB: Slightly thicker, handles more heat, often used in ceiling lights.
          • 15W LED bulb MCPCB: Needs improved heat sinking, used in brighter spaces.
          • 18W LED bulb MCPCB: Stronger thermal design, may require larger base.
          • 50W LED bulb MCPCB: Built like a tank. Thicker copper, extra thermal vias, more robust structure.
          LED bulb MCPCB, Aluminium MCPCB board for LED bulb​

          Also, pricing varies. A 9W LED bulb MCPCB price is lower. A 50 watt LED bulb MCPCB will cost more due to the materials and design complexity.

          Conclusion:

          LED bulb MCPCB combines heat dissipation, power and performance in one compact circuit board. Choosing an aluminum MCPCB board for LED bulb gives you better thermal control, longer life, and safer operation.

          Want custom or bulk LED bulb MCPCBs tailored to your project? Reach out to sales@bestpcbs.com

          What are the Pros and Cons for China IMS PCB vs PCB?

          July 24th, 2025

          China IMS PCB offers a new level of thermal performance compared to standard PCB, and that is why it has become the top choice for power electronics and LED applications. But is it always better than traditional PCB? Let’s explore the answer in detail.

          Best Technology is a reliable IMS PCB manufacturer and turnkey PCB Manufacturing service provider in China. We cater IMS PCB prototype, mass production, IMS PCB SMT assembly, and box build services in a truly free market. If you are looking for a decent quality China IMS PCB factory that is equipped with the cutting-edge manufacturing equipment and inspection apparatus, complete QC system, and strict test means, then Best Technology is the way to go. For specific IMS in PCB questions and inquiries, please email us from our Contact Us page on the website.

          What are the Pros and Cons for China IMS PCB vs PCB?

          What Does China IMS PCB Mean?

          China IMS PCB stands for Insulated Metal Substrate PCB, manufactured by Chinese IMS PCB manufacturers. IMS PCB, also known as thermally conductive PCB, thermal PCB board, thermal Management PCB, and IMPCB.

          In China IMS PCB, the circuit is built on a metal base, usually aluminum or copper. The core of IMS technology lies in its thermally conductive yet electrically insulating layer, which sits between the metal base and the copper circuit layer. This dielectric is usually filled with ceramic particles, allowing it to conduct heat efficiently while keeping the electrical signals isolated. The thermal conductivity of this insulating layer typically ranges from 1 to 3 W/m·K, but some advanced materials used in high-end applications can exceed 5 W/m·K. Besides ceramic-filled materials, some IMS boards use advanced polymer-based insulating layers, which offer flexibility in thickness and can be tailored for specific thermal or electrical needs.

          This design improves heat dissipation and structural strength. Unlike regular PCB made of FR4 material, IMS boards handle higher power loads with ease. Many China-based factories now focus on IMS production due to the growing demand in automotive, LED, and industrial sectors.

          What Does China IMS PCB Mean?

          Who Are the Best China IMS PCB Manufacturers?

          Choosing the right manufacturer can affect quality and cost. Best Technology is a trusted name for China IMS PCB. We follow IPC standards, apply MES systems for traceability, and offer real-time quality monitoring. Our strength lies in custom thermal design, fast delivery, and flexible order sizes. Other reputable suppliers include A-Tech Circuits and JLCPCB.

          What Is China IMS PCB Price?

          The price of China IMS PCB depends on more than just size. Materials, design complexity, and special processing all affect the cost. Below is a detailed explanations to help you understand the key pricing factors.

          1. Material Type

          • Aluminum-Based IMS PCB: This is the most common choice due to its balance of cost and thermal performance. A 1.5mm thick aluminum IMS board typically costs around $0.20 per square inch.
          • Copper-Based IMS PCB: Provides better thermal conductivity and durability, especially for harsh environments, but usually costs 1.5 to 2 times more than aluminum-based boards.
          • Dielectric Layer: Thermal insulation materials filled with ceramic or polymer vary in price. High-conductivity dielectrics (>3 W/m·K) cost more than standard ones.
          • Specialty Fillers: Advanced options like boron-filled dielectrics offer improved thermal stability but increase material cost by 10%–25%, depending on the formulation.

          2. Thickness and Size

          • Thicker Metal Cores (>2mm): These require more raw material and longer machining time, raising both material and processing costs.
          • Larger Panel Size: Increases raw material use and slows production speed, slightly raising the per-unit price.

          3. Layer Count

          • Single-Layer IMS PCB: Most cost-effective; ideal for heat-sensitive, low-complexity designs.
          • Double or Multi-Layer IMS PCB: Involve complex bonding and precision drilling, which increases both material cost and labor. These are 10%–30% more expensive than single-layer versions.

          4. Surface Finish and Special Processing

          • Surface Treatments: Options like ENIG or OSP add to the price. ENIG, for instance, offers better corrosion resistance but is costlier than basic HASL finishes.
          • Diamond Cutting: Needed for clean edge finishes on thicker metal cores. This adds a processing premium of around 5%–10%.
          • Solder Mask Type: High-temperature solder masks or UV-curable masks may also increase pricing slightly.

          5. Comparison to FR4 PCB

          • On average, China IMS PCB cost is 20%–50% higher than standard FR4 PCBs of similar dimensions.
          • For example, a 1.5mm FR4 board might cost $0.10 per square inch, but lacks the heat handling and strength of IMS.
          • The additional cost is often offset by the longer lifespan and reduced maintenance of IMS in demanding applications.

          6. Order Volume

          • Prototype Orders: Most Chinese suppliers allow no MOQ and quick turnaround for prototypes.
          • Small Batch Orders: May include engineering setup fees ($20–$50) for design validation and tooling.
          • Mass Production: Larger orders reduce cost per unit. Many suppliers offer tiered pricing, with better rates for orders over 1,000 units.

          7. Value in High-Power Applications

          • IMS PCBs perform better under thermal stress, so they reduce failure rates in power electronics, LEDs, and automotive systems.
          • The higher upfront cost often pays off through longer service life and fewer field failures.

          In summary, when assessing China IMS PCB price, it’s important to consider material type, layer count, special processing like boron-filled insulation, and order size. While IMS boards cost more than FR4, they deliver better thermal performance and reliability, especially in power-hungry designs. Over time, this can reduce maintenance costs and improve product lifespan—making IMS a smart investment for many applications.

          Why Do I Need China IMS PCB?

          Thermal control is key in electronics. IMS in PCB helps to reduce heat buildup, which protects components and maintains performance. Applications such as LED lighting, power supplies, and EV chargers often generate excess heat. In these cases, using China IMS PCB can prevent failure. Also, the mechanical strength of metal-core boards improves vibration resistance. If your design needs better heat flow, IMS is worth the extra cost.

          Why Do I Need China IMS PCB?

          What Is the Difference: China IMS PCB vs PCB?

          The main difference is in material and thermal performance. Standard PCB uses FR4, a fiberglass material, while IMS uses metal cores. FR4 PCBs have low heat conductivity (0.1 to 0.5 W/m·K), but IMS boards range from 1 to 12 W/m·K. This makes China IMS PCB ideal for high-power systems. However, IMS is less flexible in multilayer designs and costs more. On the other hand, FR4 is cheaper and easier for complex routing. So the choice depends on the application.

          What Are the Pros and Cons for China IMS PCB vs PCB?

          Here is a clear view of the pros and cons:

          Pros of China IMS PCB

          • Superior Thermal Control: Prevents overheating and extends component life.
          • High Mechanical Strength: Reduces warping and improves durability in harsh environments.
          • Ideal for Power Applications: Handles high currents with minimal heat rise.
          • Better Heat Flow: No need for thermal vias, direct heat spread through metal core.

          Cons of China IMS PCB

          • Higher Cost: Material and tooling cost more than FR4 PCB.
          • Limited Layer Count: Not suitable for complex, multilayer circuits.
          • Thermal Stress Risks: Poor bonding or design can cause delamination in low-quality boards.

          Why Choose Best Technology as Your Dependable IMS PCB Manufacturer?

          At Best Technology, we understand the headaches customers face when sourcing China IMS PCB. Poor thermal design, weak bonding, and long lead times can all lead to delays and failure. We solve these with:

          1. Thermal Simulation Support: We offer thermal modeling to guide your design and prevent hotspots.
          2. Advanced Materials: Our boards use hybrid cores and optimized dielectrics to improve heat flow and reduce stress.
          3. Reliable Production: Our MES system ensures traceability, and all boards pass IPC-compliant testing like thermal cycling. And all the fabrication process is in line with ISO 9001, ISO 13485, IATF 16949, AS9100D, UL, REACH, RoHS.
          4. Flexible Orders: We support no-MOQ prototypes and offer higher quality mass orders with short lead time.
          5. Application-Specific solutions: As we have 19 years of ​accumulation in the rapidly evolving world of electronics, you will get the benefits from our rich experience and technical knowledge to help you choose between FR4/IMS and get an ideal solution.
          6. Expert Support: From quoting to delivery, our engineers assist you in every step, ensuring clear communication and fast turnaround.

          Our clients appreciate not only our quality but also our commitment to problem-solving. With China IMS PCB, success is in the details, and we handle those with care.

          Why Choose Best Technology as Your Dependable IMS PCB Manufacturer?

          To sum up, China IMS PCB brings real advantages in heat management, mechanical strength, and durability. While it comes at a higher cost, the benefits often justify the price in high-power settings. However, design and manufacturing skills make a significant difference.

          That’s why working with Best Technology gives you ‌unmatched precision, reliability, and cutting-edge solutions tailored to your needs.‌ Our thermal modeling, strict quality control, and fast delivery remove the usual risks. So if you need reliable IMS PCB solutions, contact us today for a quote. Our engineers are very responsible, caring, professional, experienced, and knowledgeable. They were always available to discuss your case and have returned your phone calls in a timely manner. Please discuss your full requirements with our teams at +86-755-2909-1601 or sales@bestpcbs.com.