Archive for the ‘bestpcb’ Category

What is Thick Copper PCB? PCB Copper Thickness vs Current

Tuesday, July 29th, 2025

A thick copper PCB refers to a printed circuit board that uses a higher amount of copper than a standard PCB. Typically, standard PCBs have copper thickness ranging from 0.5 oz to 2 oz per square foot. However, when the copper thickness is 3 oz or more per square foot, it is classified as a thick copper PCB.

These boards are built for handling high current, enhanced heat dissipation, and strong mechanical performance. You’ll find them in power electronics, electric vehicles, solar inverters, and industrial machinery—wherever reliability and power handling are critical.

At Best Technology, we specialize in custom thick copper PCB manufacturing. Whether you need 3 oz or 20 oz copper, our engineering team supports your design with precision, reliability, and fast delivery. We also provide full traceability and strict quality control, making sure each board meets your performance needs.

What is Thick Copper PCB? PCB Copper Thickness vs Current

Advantages of Thick Copper PCB

1. High Current Carrying Capacity

Thicker copper allows your PCB to carry more current through its traces without causing excess heat. This helps prevent overheating and damage to components. In other words, thick copper gives your board the power capacity it needs to run safely and efficiently.

2. Excellent Thermal Management

Heavy copper spreads heat more evenly across the board and away from sensitive components. This reduces hot spots and helps maintain stable operation. It’s especially useful in environments where heat buildup can be a problem, such as power supplies or LED lighting systems.

3. Increased Mechanical Strength

Thick copper PCBs are more durable. They are less likely to bend, crack, or delaminate during assembly or use. This added strength makes them ideal for heavy machinery, vehicles, and military equipment.

4. Improved Reliability and Product Life

Better current and heat handling reduce stress on the board and components. This leads to longer lifespan and fewer failures, which saves both time and cost in maintenance.

5. Compact and Efficient Designs

You can use narrower traces with thick copper while still meeting your current requirements. This allows for smaller board sizes and space-saving layouts, especially valuable in compact devices.

All of these advantages make thick copper PCBs a smart choice when performance and reliability truly matter.

Standard PCB Copper Thickness Chart

Copper thickness is usually measured in ounces per square foot (oz/ft²) or microns (µm). For every 1 oz of copper per square foot, the actual thickness of the copper layer is about 35 microns, or 1.4 mils. To help you understand how thick copper compares to standard copper, here’s a simple PCB Copper Thickness Chart with typical values.

Copper Weight (oz/ft²)	Thickness (microns)	Thickness (mils)	Common Usage
0.5 oz	~17 µm	~0.7 mil	Signal layers, low-power circuits
1 oz	~35 µm	~1.4 mil	Most standard PCBs
2 oz	~70 µm	~2.8 mil	Power circuits, motor drivers
3 oz	~105 µm	~4.2 mil	Start of thick copper PCB range
4 oz	~140 µm	~5.6 mil	High-power, heat-intensive applications
6 oz	~210 µm	~8.4 mil	Industrial power systems, battery packs
10 oz	~350 µm	~14 mil	Heavy-duty, high-current applications

Whether you are working on a standard 1 oz board or a 10 oz thick copper PCB, the thickness affects everything from electrical performance to thermal control. If you are unsure which thickness suits your project, Best Technology offers expert guidance and custom PCB solutions. We help you choose the right copper weight to match your current load, heat needs, and budget.

PCB Copper Thickness vs Current

One of the biggest reasons to use thick copper is current capacity. As copper thickness increases, it can carry more current without excessive heating. Here’s how it works:

1 oz copper can carry around 1.2A on an inner layer for a 10°C temperature rise.
3 oz copper can carry about 3.6A under the same conditions.
Higher copper weights (like 10 oz) can handle much more, depending on trace width.

This relationship is essential for designing safe and efficient circuits. Using IPC-2221 standards as a guide, engineers can determine how much copper is needed for any given load.

If you’re unsure, tools like the PCB copper thickness calculator can help you find the right copper weight based on your current and design needs.

How to Choose PCB Copper Thickness?

Knowing how to choose PCB copper thickness is essential when designing a board that performs reliably under electrical and thermal stress. The right copper thickness affects current flow, heat management, durability, and even the size of your board. Choosing wisely can improve performance and reduce long-term costs.

1. Understand Your Current Requirements

Start by determining how much current your traces need to carry. Higher current demands thicker copper or wider traces. If your circuit handles heavy loads—like in power supplies or electric vehicles—you’ll likely need thick copper, starting from 3 oz or more.

2. Evaluate Space and Trace Width

Sometimes, there’s limited space on your PCB. If you cannot increase trace width to carry higher current, you can increase copper thickness instead. Thicker copper allows for narrower traces to handle the same current safely, helping you keep your design compact without sacrificing performance.

3. Check for Voltage Drop

Resistance in copper causes voltage drop across traces. Thicker copper has lower resistance, which means less voltage loss. If maintaining consistent voltage is important for your application—like in precision circuits or power regulation—opt for thicker copper to minimize drops.

4. Consider Cost and Board Size

While thicker copper improves performance, it also adds cost and weight. Choose copper thickness that meets your technical needs without over-engineering. For most consumer electronics, 1 oz or 2 oz is enough. For power devices, 3 oz to 10 oz may be needed.

Thick Copper PCB Applications

Power supplies
Converters
Inverters
Battery systems
Motor drives, and charging circuits efficiently
Solar Power Systems
Inverters and control circuits
Military and Aerospace
Industrial Control

Anywhere power, heat, or strength is a concern, thick copper PCBs provide dependable performance.

How to Avoid Thick Copper PCB Delamination?

The delamination of thick copper circuit boards refers to a phenomenon that occurs during PCB manufacturing. Due to insufficient adhesion between the copper foil and the substrate or excessive internal stress, the copper foil and the substrate (such as FR-4 fiberglass board) separate from each other.

While it’s not common, thick copper PCBs can be more prone to this issue if not manufactured properly. Here are some ways to avoid it:

1. Use High-TG Materials

High-TG (glass transition temperature) materials like FR4-TG170 or ceramic can better resist heat and stress.

2. Reliable Lamination Process

Proper lamination ensures strong bonding between copper and substrate. At Best Technology, we use high-pressure lamination and strict process control to prevent delamination.

3. Controlled Soldering Heat

Excessive heat during soldering can damage the board. Controlled soldering ensures minimal thermal stress.

4. Avoid Design Stress Points

Sharp corners and very narrow traces can concentrate stress. A smooth, balanced design reduces risk.

5. Quality Assurance

Choose manufacturers with strong quality systems that include thorough inspection and testing.

Best Thick Copper PCB Manufacturer – Best Technology

Looking for a trusted thick copper PCB manufacturer? Here’s why Best Technology is your best choice:

We specialize in 3 oz to 20 oz thick copper PCBs.
Certified with ISO9001, IATF16949, and UL.
Advanced plating and lamination techniques ensure strength and reliability.
Fast prototyping and mass production services.
Competitive pricing and on-time global delivery.
Engineering support for design, layout, and material choice.
Full traceability with our MES system and strict quality control.

Need help with your next project? Contact Best Technology today for a custom quote and expert support.

FAQs

1. What copper thickness qualifies as thick copper PCB?

Anything 3 oz per square foot or more is considered thick copper PCB.

2. How do I calculate required copper thickness?

Use a PCB copper thickness calculator based on your current, trace width, and temperature rise.

3. Can thick copper PCBs be multi-layered?

Yes, we manufacture single, double, and multi-layer thick copper PCBs.

4. Do thick copper PCBs cost more?

Yes, but they offer better performance and longer life, which offsets the cost.

5. How do I get a quote from Best Technology?

Just contact us with your design files, and we’ll provide a competitive, customized quote.

Tags:how to choose pcb copper thickness, PCB copper thickness chart, pcb copper thickness vs current, Thick copper pcb price
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What is copper PCB board? Copper clad PCB board

Tuesday, July 29th, 2025

Copper PCB board is a type of circuit board where a thin layer of copper is bonded to an insulating base, usually made from fiberglass, resin, or other non-conductive materials.

What makes copper special is its exceptional electrical conductivity, which ensures fast, stable signal transmission and efficient power delivery. Whether it’s a single sided copper PCB board or a double sided copper clad laminate PCB circuit board, the copper layer is essential for performance, reliability, and heat control.

Available in different thicknesses and configurations, copper clad PCB boards can be tailored to meet the demands of everything from smartphones to medical devices.

Why is copper used in PCBs?

Copper is used in PCBs for one big reason—conductivity. It’s one of the best conductors of electricity. That means signals can move through the board fast, with low resistance. This ensures stable, efficient, and reliable performance in any circuit.

Another reason? Copper is durable. It handles high currents without overheating. It resists corrosion. And it can be etched into very fine lines for dense circuit layouts. Plus, copper is cost-effective. It offers high performance without sky-high prices.

In short, copper keeps signals fast, power stable, and costs low. That’s why it’s the standard across the electronics industry.

How thick is 2 oz of copper on a PCB?

This refers to how much copper is spread over a square foot of board.

2 oz copper thickness equals about 70 microns, or 0.07mm. That may sound thin, but it’s double the thickness of the standard 1 oz copper, which is 35 microns. And that extra thickness brings major benefits:

Higher current-carrying capacity
Better heat dissipation
Stronger, more reliable circuits

Designers choose 2 oz copper when a circuit needs to handle more power or operate in tough environments. It adds strength without a huge increase in cost or size.

What type of copper is used in PCB?

The copper used in PCBs is not just any copper. It’s specifically engineered for electronics manufacturing. The two most common types are:

Electrolytic Tough Pitch (ETP) Copper: This is the standard. It’s over 99% pure and offers great conductivity and flexibility.

Rolled Annealed (RA) Copper: This type is used in flexible PCBs. It’s softer, more bendable, and less likely to crack under repeated movement.

For rigid boards, like your TV remote or thermostat, ETP is ideal. For flexible applications, like foldable phones or wearable devices, RA copper shines.

How to choose PCB copper thickness?

Picking the right copper PCB board thickness depends on your needs. Here are some guiding points:

Current load: More current needs thicker copper. If your board handles power, go for 2 oz or more.

Heat management: Thicker copper spreads heat better, reducing hotspots.

Space constraints: If your design is tight, thinner copper can help save room.

Cost and weight: More copper = more weight and higher cost.

The most common thickness is 1 oz, but 0.5 oz and 2 oz are also widely used. High-power boards may go up to 3 oz or more.

What is a copper clad PCB board?

Copper clad PCB board is a base material, Usually FR4 (fiberglass), CEM-1, or phenolic resin, that’s laminated with a thin layer of copper on one or both sides.

Types of copper clad boards include:

Single sided copper clad board: copper on one side

Double sided copper clad board: copper on both sides

Multilayer boards: multiple layers of copper and insulation stacked together

These boards form the foundation of electronics. Without copper cladding, there’s no signal path, no connectivity, and no functionality.

Types of Copper Clad Boards

There are several variations, each tailored for different needs:

Single sided copper PCB board: Great for simple, low-cost circuits. Common in calculators or basic toys.

Double sided copper PCB board: Used in more complex electronics, offering better routing and signal flow.

Copper clad laminate: This is the raw material, often sold in panels, ready to be etched. Also known as blank copper PCB board.

Double sided copper clad laminate PCB circuit board: Offers flexibility in circuit design. Common in LED lighting and power supplies.

Copper strip PCB board: Used for high-current circuits. Thick copper strips are embedded to carry heavy loads.

Copper clad plate laminate PCB board: Known for high strength, used in industrial environments.

The choice depends on application, current needs, size, and cost.

What is a copper clad board used for?

Copper clad boards are used in every corner of the electronics world.

Consumer electronics
Industrial controls
LED lighting
Automotive dashboards
Medical devices
Communication systems

Their job? To carry signals, distribute power, and provide mechanical support. They’re also vital for EMI shielding, grounding, and signal integrity.

How to remove copper from PCB board?

There are moments in prototyping or repair when removing copper is necessary. Here are some common methods:

Chemical etching: Ferric chloride or ammonium persulfate can dissolve copper. Be cautious, it’s toxic and requires proper ventilation.

Mechanical removal: Sandpaper or a rotary tool can physically grind off copper.

Laser removal: High-end labs use this for ultra-precise control.

Each method has pros and cons. For hobbyists, mechanical methods are safer. For professionals, chemical etching allows for mass removal with precision.

Copper plated PCB board vs copper coated: What’s the difference?

Copper plated PCB boards and copper coated PCB boards may sound similar, but they serve different purposes.

Copper plated PCB board means copper has been electroplated onto certain areas—like holes or edges. This helps with conductivity, especially in via holes and multi-layer connections.

Copper coated PCB board refers to a board where a base material is uniformly covered with copper foil. This is typically done during the lamination stage to form the initial circuit layer.

In short:

Plated = targeted copper application, used for conductivity enhancement

Coated = general copper layer across a surface, used to form the main circuit

Conclusion:

Copper PCB boards play a critical role in modern electronics, offering excellent conductivity, thermal performance, and reliability. Whether it’s a single sided copper clad board, double sided copper PCB board, or a blank copper PCB board, each type supports different circuit needs.

If you’re looking for high-quality copper clad PCB boards, reliable support, or expert advice, we’re here to help.

Need help choosing the right copper PCB board? Reach out today at sales@bestpcbs.com

Tags:copper clad pcb board, copper pcb board, copper plated pcb board, double sided copper pcb board, pcb board copper thickness
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What is the Value of the IMS PCB Structure for LED?

Monday, July 28th, 2025

IMS PCB structure plays a vital role in modern LED applications, especially where thermal management is critical. LEDs generate heat during operation, and poor heat dissipation can shorten their lifespan. That’s where IMS PCBs come in—they manage heat effectively while maintaining electrical performance. Let’s explore their structure, benefits, and how to choose the right solution for your needs.

Best Technology specializes in IMS PCB prototype, fabrication, assembly, and box build service. Our factory is equipped with automatic production lines, and the common lead time is shortened by 5 days. And we support 48 hours of prototyping. Moreover, we provide the ideal solutions from the DFM analysis to fabrication. Any doubts about the IMS PCB structure, just feel free to let us know at sales@bestpcbs.com.

What is the Value of the IMS PCB Structure for LED?

What is the IMS PCB Structure?

IMS stands for Insulated Metal Substrate, and its structure is designed to combine electrical performance with efficient heat dissipation. The IMS PCB structure is built from three key layers:

Copper Foil Layer – This top layer forms the conductive circuit and carries electrical signals with high reliability.
Dielectric Layer – Positioned between the copper and the metal base, this layer serves two vital roles: it provides electrical insulation and delivers high thermal conductivity, typically ranging from 1.5 to 8.0 W/m·K. This allows heat to pass quickly from the copper traces down to the metal base, protecting temperature-sensitive components like LEDs.
Metal Base Layer – Usually made of aluminum or copper, this bottom layer acts as a solid foundation and an effective heat sink, spreading and releasing heat away from the board.

Together, these layers create a structure that conducts electricity efficiently while also managing heat effectively, which is especially critical in LED lighting and power electronics. Unlike FR4 boards, IMS PCBs are purpose-built for applications where thermal control is crucial to performance and reliability.

What is the Difference Between IMS Circuit Board Structure and FR4 PCB?

Let’s compare IMS circuit boards and FR4 PCBs in terms of material and performance. FR4 PCBs use fiberglass-reinforced epoxy resin as the base, while IMS boards use a metal base. The insulation in IMS is thermally conductive but electrically resistant. Here’s a comparison table for better clarity:

Feature	IMS Circuit Board	FR4 PCB
Base Material	Aluminum or Copper	Fiberglass (FR4)
Thermal Conductivity	High	Low
Durability	Stronger for harsh use	Moderate
Cost	Higher initial, lower long-term	Lower initial

Clearly, IMS PCB structure offers better thermal performance, which is key for LEDs that must run cool and stable.

How Durable Is IMS Circuit Board in Harsh Environments Compared to FR4 PCB?

Durability is a major concern for LED applications in outdoor or industrial settings. IMS PCBs handle extreme temperatures, moisture, and mechanical stress better than FR4 boards. The metal base provides strength and stability, while the insulation resists breakdown. As a result, IMS circuit boards last longer and require fewer replacements, reducing maintenance costs. Many customers have faced early LED failures due to poor PCB durability—IMS technology solves this problem efficiently.

How to Select the Right Insulated Metal Substrate for Your IMS PCB Structure?

Choosing the right metal substrate depends on your specific needs. For standard LEDs, aluminum is common. For higher thermal demands, copper might be better. Also, consider the thickness of the metal base and dielectric layer. Thicker metal can handle more heat but adds weight and cost. Here’s a quick guide:

Aluminum: Affordable, good for most LED uses.
Copper: Higher thermal performance, higher cost.
Dielectric Layer: Choose based on thermal resistance (lower is better).

Working with an experienced IMS PCB manufacturer can help you make the right choice without wasting time or money.

What is the Manufacturing Process of IMS Board PCB?

Producing an IMS board PCB involves several precise steps to ensure thermal and electrical performance. Here’s how the process typically works:

Material Selection
The process begins by choosing the right metal base—usually aluminum or copper—based on thermal and mechanical needs.
Metal Base Preparation
The metal base is cleaned thoroughly to remove any contaminants. This ensures strong adhesion and consistent quality in the next layers.
Dielectric Layer Application
A high thermal conductivity dielectric layer is laminated onto the metal base. This layer provides insulation and helps transfer heat efficiently.
Copper Foil Lamination
Copper foil is then bonded to the top of the dielectric layer. This copper layer will form the conductive circuit paths.
Circuit Patterning
Using photoresist and chemical etching, the desired circuit design is created on the copper surface. This step must be precise to avoid defects.
Drilling
Holes for component placement or vias are drilled using automated equipment for accuracy and consistency.
Surface Finishing
A surface finish such as ENIG, OSP, or HASL is applied to protect the copper and improve solderability.
Testing and Quality Control
Each board undergoes electrical testing and thermal performance checks. Any defective board is removed to maintain high standards.

Best Technology controls every stage with care. As a professional IMS PCB manufacturer, Best Technology gains specialized knowledge in the MCPCB industry, and we have a stable, cutting-edge manufacturing process and strict quality control. Any inquiry about the material selection, IMS PCB structure, or any help with the IMS PCB project, pls let us know at sales@bestpcbs.com.

What is the Value of the IMS PCB Structure for LED?

The IMS PCB structure provides significant value in LED applications, especially where heat dissipation and reliability are critical. Many customers experience LED failure due to poor thermal design, leading to reduced brightness, shorter product life, and costly replacements. IMS PCBs address these issues effectively. Here’s how:

Superior Heat Dissipation
The most important value of IMS PCB structure is its ability to conduct heat away from the LED junction efficiently. The metal base combined with a high thermal conductivity dielectric (1.5–8.0 W/m·K) ensures heat is spread and released quickly. This prevents thermal buildup and keeps LEDs operating within safe temperatures.
Longer LED Lifespan
Overheating is a major cause of LED failure. By keeping temperatures low, IMS boards help extend the operating life of LEDs. This reduces maintenance needs and replacement frequency, especially in outdoor or industrial environments.
Stable Light Output
Temperature affects LED brightness and color stability. IMS PCB structure helps maintain consistent light output over time, which is essential for lighting applications in retail, automotive, or architectural sectors.
Compact and Lightweight Design
Because IMS boards handle heat so well, designers can reduce the size of heat sinks or eliminate them entirely. This allows for slimmer, lighter LED products without compromising performance.
Cost Efficiency Over Time
While IMS PCBs may have a higher initial cost than FR4, they offer long-term savings by reducing failure rates and minimizing heat-related damage. For high-power LED systems, IMS is a cost-effective solution.
Greater Reliability in Harsh Conditions
LEDs used in outdoor lighting, automotive, or factory settings must withstand vibration, moisture, and temperature changes. IMS PCBs provide mechanical strength and thermal stability, making them highly reliable in tough environments.
Fewer Failures, Higher Customer Satisfaction
Poor thermal design often leads to customer complaints and product returns. IMS technology helps companies deliver durable, high-performance LED products, increasing customer trust and reducing warranty claims.

In short, IMS PCB structure adds value by improving heat control, product durability, and design flexibility. For any LED application where efficiency and reliability matter, IMS is a smart and future-ready choice.

Why Choose Best Technology as Your Chinese IMS PCB Manufacturer?

Best Technology understands your concerns—slow delivery, poor quality, and unclear communication. We solve these headaches through the following strengths:

Customer Pain Point	Best Technology Solution
Delayed Delivery	Fast prototyping and strict lead-time management
Low Quality	Certified by ISO 9001, ISO 13485, IATF 16949, AS9100D, UL, RoHS; full quality checks
Unstable Supply Chain	Traceability with MES system and reliable sourcing
Technical Support Gaps	Professional engineers ready for design advice

With 19 years of experience, rigorous quality control, and responsive service, Best Technology is the right partner for your IMS PCB needs. From LED lighting to industrial controls, we deliver quality you can count on. For IMS PCB inquiry from prototype to assembly, pls let us know at sales@bestpcbs.com.

Tags:ims pcb structure
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Aluminum PCB Design Guidelines, Aluminum Base PCB Manufacturer

Monday, July 28th, 2025

Looking for aluminum PCB design guidelines? Let’s discover design specifications, design tools, design guidelines for aluminum PCB, and how to get a quote through this blog.

Are you worried about these issues?

LED lighting/power modules generate serious heat when running for a long time. How to ensure the stable heat dissipation performance of aluminum substrates?
The procurement cost of aluminum substrates accounts for 15%-20% of the production cost. How to balance performance and price?
Under complex wiring requirements, how to break through the limit of the number of layers of aluminum substrates to achieve high-density integration?

Best Technology can provide:

Gradient heat dissipation solution: customized 1.5-3.0W/m·K thermal conductivity plates; embedded copper pillar technology improves local heat dissipation efficiency by 30%.
Supply chain cost optimization: direct procurement of 6000 series aviation aluminum materials, reducing costs by 12%; panel production mode reduces material waste by 18%.
HDI aluminum-based stacking technology: supports 1-6 layers of arbitrary laminated structure; laser blind hole accuracy ±0.05mm.

Welcome to contact Best Technology if you have any request for aluminum base PCB design, manufacturing or assembly: sales@bestpcbs.com.

What Is Aluminum PCB Design Guideline?

Aluminum PCB design guidelines defines the principles for creating circuit boards with a metal (typically aluminum) core, optimized for thermal management in high-power applications. It focuses on selecting thermally conductive dielectric layers, strategic component placement to leverage the aluminum base’s heat dissipation, and ensuring mechanical durability while balancing electrical performance and reliability in heat-intensive environments.

Aluminum PCB Design Specifications

‌ Parameter	Value/Range
Thermal Conductivity	1.0–8.0 W/m·K (Material-dependent)
Copper Thickness	1oz (35µm) to 10oz (350µm)
Dielectric Strength	≥3000V (Standard), AC1500V–6000V (High-voltage)
Thermal Resistance	1.0–2.5°C/W (Full PCB)
Max Operating Temperature	150–260°C (Peak)
Peel Strength	≥1.0 N/mm (Post-thermal stress)
CTE Mismatch	Aluminum (23–24 ppm/°C) vs. Copper (17 ppm/°C)
Min Trace Width/Spacing	0.1mm (4mil) outer layer, 0.13mm (5mil) inner
Via Wall Copper Thickness	20–25µm (Standard), 35µm (High-current)
Board Thickness	1.0–3.0mm (Aluminum core)

Aluminum PCB Design Tools & Software

1. Altium Designer – Advanced Layout & Thermal Analysis

Thermal simulations to prevent overheating.
High-current trace routing for power-heavy designs.
3D modeling for enclosures and heat sink integration.

2. Automated DRC (Design Rule Check) for manufacturing compliance

Cadence Allegro – High-Speed & High-Power PCB Design.
Signal integrity analysis for high-frequency applications.
Power delivery network (PDN) optimization.
Multi-layer stackup design for rigid-flex aluminum boards.

3. KiCad – Free & Open-Source for Prototyping

No licensing fees for startups/SMEs.
Built-in footprint libraries for common aluminum PCBs.
Gerber file generation for seamless manufacturing.

4. SolidWorks – Mechanical Integration for Thermal Management

Heat sink modeling for custom cooling solutions.
Mounting hole placement for industrial applications.
Stress analysis for vibration-resistant designs.

5. Ansys Icepak – Advanced Thermal Simulation

Precision heat flow modeling for high-power LEDs/motors.
Fan and vent placement optimization.
Material selection guidance for thermal conductivity.

Aluminum PCB Design Guidelines

1. Thermal Viability First

Calculate required thermal vias using: N = (P × Rth)/ΔT, where P = power (W), Rth = thermal resistance (°C/W), and ΔT = max allowable temp rise. Aim for ≥6 vias (0.5mm dia) under high-power devices.
For LEDs >1W, ensure die attach area covers ≥70% of the aluminum base. Use white solder mask to reflect unused light and reduce thermal load.

2. Component Placement Logic

Group heat sources (e.g., regulators, drivers) in a central “thermal zone” with direct aluminum exposure. Keep analog/RF components ≥5mm from this zone to avoid thermal noise.
Orient power transistors with drain/collector pads parallel to aluminum grain direction for optimal heat spreading.

3. Copper-Aluminum Bonding

Use 35µm (1oz) copper for signals; switch to 70µm (2oz) for power traces. Avoid abrupt copper weight transitions (>1oz difference) to prevent lamination cracks.
Specify “button plating” for plated through-holes (PTHs) to reinforce aluminum-copper joints.
Dielectric Layer Control
Request dielectric thickness tolerance of ±10%. Thinner layers (50µm) improve thermal performance but risk electrical breakdown; validate with V = E × d (E = dielectric strength, d = thickness).
For high-voltage (>100V) designs, add a 50µm polyimide overlay on critical traces.

4. Mechanical Stress Mitigation

Add 1mm chamfered edges to aluminum cores to prevent sharp corners causing board flex. Use 3M™ thermal tapes instead of screws for non-critical assemblies to reduce thermal impedance.
For assemblies with >5kg weight, specify aluminum thickness ≥2.0mm and add 2mm mounting holes spaced ≥50mm apart.

5. Assembly Compatibility

Require wave soldering temps ≤260°C for aluminum PCBs. Use low-melting-point solder (Sn42/Bi58) for mixed-technology boards (SMT + through-hole).
Add 0.2mm solder mask dams between fine-pitch SMT pads to prevent solder wicking on aluminum surfaces.

6. Testing Protocols

Perform IR thermal imaging at 80% max load for 2 hours. Target ΔT <15°C between hottest component and ambient. Validate dielectric integrity with 500V Hipot testing; fail if leakage current >5mA.

Aluminum Base PCB Manufacturing Processes

Below are aluminum base PCB manufacturing processes:

1. Material Preparation

Aluminum Base Selection: Choose alloy (e.g., 5052, 6061) based on thermal/mechanical needs. Thickness ranges 1.0–3.0mm.
Surface Treatment: Clean and roughen aluminum via chemical etching to improve dielectric adhesion.

2. Lamination

Dielectric Layer Application: Coat aluminum with thermally conductive epoxy (1–8 W/m·K) or ceramic-filled prepreg.
Copper Foil Bonding: Press 1–10oz copper foil onto the dielectric under 180–200°C and 15–20 kg/cm² pressure.

3. Circuit Imaging

Dry Film Application: Laminate photosensitive dry film onto copper. Expose to UV light through a circuit mask.
Etching: Use alkaline solution (e.g., sodium hydroxide) to remove unexposed copper, leaving precise traces.

4. Via Formation

Mechanical Drilling: Drill microvias (0.2–0.5mm) using carbide bits. Deburr holes to remove aluminum shavings.
Plating: Electroplate holes with 20–35µm copper to ensure conductivity and thermal transfer.

5. Solder Mask Application

Screen Printing: Apply epoxy-based solder mask (white/black) to protect traces. Cure at 150°C for 60 minutes.
Secondary Coating: Add high-temperature polyimide tape on power traces for >200°C environments.

6. Surface Finish

HASL (Hot Air Solder Leveling): Dip PCB in molten solder (Sn63/Pb37) for cost-effective finish.
ENIG (Electroless Nickel Immersion Gold): Apply 3–5µm nickel and 0.05–0.1µm gold for fine-pitch SMT.

7. Profiling & Testing

Routing: Cut boards to shape using CNC machines. Add chamfered edges to prevent assembly damage.
Electrical Testing: Use flying probe or bed-of-nails to verify continuity (≤1Ω) and isolation (≥100MΩ).
Thermal Cycling: Expose PCB to -40°C/125°C cycles (5x) to validate reliability.

Aluminum Base PCB Manufacturing Processes

Why Choose Best Technology as Aluminum Base PCB Manufacturer?

Reasons why choose Best Technology as aluminum base PCB manufacturer:

Accelerated Time-to-Market

24-Hour Prototyping: Rapid sample delivery cuts initial validation time by 50%.
19-Year Production Expertise: Optimized workflows reduce lead times by 30% through proven scheduling and risk mitigation.

Cost Efficiency

15–20% Price Advantage: In-house aluminum processing and bulk material sourcing eliminate middleman markups.
Transparent Pricing: No hidden fees for tooling, testing, or design revisions.

Reliable Quality

Rigorous Testing: Every PCB undergoes thermal shock (-40°C to 125°C), vibration, and 100% electrical checks.
Material Traceability: Lot-specific records ensure accountability for aluminum origin, plating batches, and test data.

Design Optimization

Free DFM Review: Engineers adjust trace widths/vias to balance thermal performance and manufacturability.
Thermal Simulation: ANSYS models predict heat flow, avoiding costly post-design fixes.

End to End Service

Full Turnkey Solution: Integrate raw material sourcing, production, and testing under one roof, reducing client coordination effort.
Stable Material Supply: Long-term partnerships with aluminum/copper suppliers prevent delays from shortages.
24/7 Emergency Support: Rapid response to design changes or urgent orders, minimizing downtime.

Why Choose Best Technology as Aluminum Base PCB Manufacturer?

Our Aluminum Base PCB Manufacturing Capabilities

Base material:	Aluminum Alloy
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:	600500mm (23.62″19.68″)
Packing:	Vacuum/Plastic bag
Samples L/T:	4~6 Days
MP L/T:	5~7 Days

Our Quality Inspection & Certification

Certified & Compliant Standards: ISO 9001, ISO 13485, IATF 16949 Certified, and UL, REACH, RoHS Compliant
AOI (Automated Optical Inspection): Detects surface defects like open/short circuits, missing components, and soldering issues.
X-Ray Inspection (Internal Defect Screening): Checks solder joint voids, cracks, and BGA/QFN hidden defects.
Aging Test: Includes thermal cycling (-40℃~85℃) and humidity exposure to validate long-term reliability.
Dimensional Verification: Measures thickness (±0.1mm), flatness, and hole alignment accuracy.

How to Get a Quote for Your Metal Core PCB Project?

To get a quote for your metal core PCB project, submit the following materials:

Gerber Files & Drill Data: Essential for manufacturing accuracy.
Bill of Materials (BOM): Lists all components and their specifications.
Technical Specs: Layer count, base material (e.g., aluminum/copper), copper thickness, board thickness, min. trace width/spacing, and impedance control requirements.
Surface Finish: Specify HASL, ENIG, OSP, or other finishes.
Special Requirements: Thick copper design, blind/buried vias, or thermal management needs.
Quantity & Delivery Timeline: Project volume and urgency.

Contact Best Technology today to get a free DFM analysis report: sales@bestpcbs.com.

Tags:aluminum pcb, aluminum pcb design guideline
Posted in best pcb, bestpcb, Design Guide, mcpcb, Metal Core PCB | No Comments »

MCPCB LED Plate Design & Manufacturer, Turnkey Solution

Monday, July 28th, 2025

What is MCPCB LED plate? This guide explores its construction, applications, design principles, manufacturing, and cost factors for optimal thermal management solutions.

Are you worried about these problems?

Does your lamp lose 30% brightness after half a year of use?
Is the chip scrapped due to deformation of the substrate?
Does the micro-pitch LED below P1.0 have local overheating due to insufficient heat dissipation?

Best Technology can provide solutions:

1.2W/m·K high thermal conductivity aluminum substrate + 5mil ceramic insulation layer, junction temperature reduced by 18℃, actual measured data, free thermal imaging testing service.
Pre-oxidation aluminum substrate (CTE16ppm/℃) ±0.08mm laser cutting process, 200+ customers verified 99% yield.
Nano-ceramic coating technology (thermal resistance <1.0K·cm²/W), supports 0.5mm pad spacing design, has passed 10,000 hours accelerated aging test.

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

What Is the Meaning of MCPCB LED Plate?

A MCPCB LED plate refers to a Metal Core Printed Circuit Board (MCPCB) specifically engineered for LED lighting applications. It features a metal base (typically aluminum or copper) as the core material, bonded with a thermally conductive dielectric layer and a copper circuit layer. Designed to efficiently dissipate heat generated by high-power LEDs, it ensures optimal performance, reliability, and longevity of LED modules, fixtures, or displays by preventing overheating. Commonly used in automotive lighting, streetlights, and high-brightness LED systems.

MCPCB LED PCB Construction

Metal Base Layer

Material: Aluminum (most common) or copper.
Function: Acts as a heat sink, drawing thermal energy away from LEDs to prevent overheating and extend component lifespan.

Dielectric Layer

Material: Thermally conductive epoxy or ceramic-filled prepreg.
Function: Electrically isolates the metal base from copper traces while enabling efficient heat transfer (thermal conductivity: 1–8 W/m·K).

Copper Circuit Layer

Thickness: 1–10 oz (35–350 µm).
Function: Transmits electrical signals and power to LEDs; thicker copper (≥2 oz) supports high-current applications (>3A per trace).

Solder Mask Layer

Material: Epoxy-based or polyimide coating.
Function: Protects copper traces from oxidation, solder bridging, and environmental contaminants (e.g., moisture, dust).

Surface Finish

Options: HASL (cost-effective), ENIG (flat surface for fine-pitch SMT), or OSP (organic solderability preservative).
Function: Ensures reliable solder joints during assembly and prevents corrosion.

How Does the MCPCB LED Plate Work?

Heat Generation: LEDs convert electrical energy into light, generating waste heat (typically 50–70% of input power).
Thermal Conduction: Heat transfers from LED junctions through solder joints to the copper circuit layer.
Dielectric Layer Transfer: The thermally conductive dielectric (epoxy/ceramic) rapidly channels heat from copper traces to the metal base.
Metal Base Dissipation: Aluminum/copper base acts as a heat sink, spreading heat across its surface area and radiating it into the environment.
Cooling Efficiency: Reduces LED junction temperature by 20–40% compared to FR4 PCBs, preventing lumen degradation and color shift.
Performance Impact: Maintains LED efficacy (>90% initial brightness) and lifespan (>50,000 hours) by avoiding thermal runaway.

What Are Application of MCPCB LED Board?

Automotive Lighting – Headlights, brake lights, DRLs. Ensures reliability in high-temperature engine environments.
Outdoor Street Lighting – Solar-powered streetlights, floodlights. Enables compact, weather-resistant designs with minimal maintenance.
Industrial High-Bay Lighting – Warehouses, factories. Stabilizes performance in dusty/hot conditions, cutting energy costs.
Horticultural Grow Lights – Vertical farming, indoor agriculture. Maintains spectral accuracy for faster plant growth.
UV LED Systems – Curing, medical sterilization. Prevents wavelength shifts from overheating, ensuring precision.
Consumer Electronics Backlighting – TVs, laptops, smartphones. Enables thin profiles while preserving brightness and battery life.

MCPCB LED Plate Design Guide

Below is MCPCB LED plate design guideline:

1. Metal Base Selection

Aluminum (6061/5052): Lightweight, cost-effective, ideal for general LED lighting (streetlights, indoor fixtures).
Copper: Higher thermal conductivity (3–4× aluminum) for ultra-high-power applications (automotive headlights, UV curing).
Avoid: Steel (poor thermal performance) or overly thick metals (increases cost/weight without proportional gains).

2. Circuit Layer Design

Copper Thickness: Use ≥2 oz (70 µm) for currents >3A/trace; ≥4 oz (140 µm) for >5A.
Trace Width: Follow IPC-2221 standards (e.g., 10 mm width for 5A at 10°C rise).
Via Design: Place thermal vias (0.3–0.5 mm diameter, 1:1 pitch) under LED pads to channel heat to the metal base.

3. Dielectric Layer Optimization

Thermal Conductivity: Aim for ≥2 W/m·K (e.g., ceramic-filled epoxy). Avoid low-conductivity fillers (<1 W/m·K).
Thickness: Keep ≤100 µm to balance insulation and heat transfer. Thicker layers reduce thermal efficiency.

4. Thermal Management Integration

Heat Sink Attachment: Use thermal gap pads (1–5 W/m·K) or direct metal-to-metal bonding for passive cooling.
Active Cooling: For >50W/cm² heat loads, add embedded heat pipes or miniature fans (requires PCB hole design).

5. Surface Finish

ENIG (Electroless Nickel/Immersion Gold): Best for fine-pitch SMT assembly (e.g., 0.4 mm pitch LEDs).
HASL (Hot Air Solder Leveling): Cost-effective for through-hole components; avoid for high-frequency signals.

6. Design Verification

Thermal Simulation: Use ANSYS Icepak to model junction temperatures before prototyping.
Testing: Validate under worst-case conditions (e.g., 85°C ambient, 100% load) to ensure ≤10°C delta between junction and case.

Metal Core PCB LED Plate Manufacturing Processes

MCPCB LED plate manufacturing processes:

1. Material Cutting

Metal Base: Cut aluminum (5052/6061) or copper sheets to panel size (e.g., 12″×18″).
Copper Foil: Slice thin copper sheets (1–4 oz thickness) to match metal base dimensions.

2. Surface Pretreatment

Metal Base: Ultrasonic clean + chemical etch (e.g., NaOH) to remove oils/oxides, improving adhesion.
Copper Foil: Micro-etch (H2SO4 + H2O2) to roughen surfaces for better dielectric bonding.

3. Dielectric Layer Application

Coating: Roll-coat ceramic/epoxy-based thermal interface material (TIM) onto the metal base (thickness ≤100 µm).
Curing: UV or thermal curing (150–180°C, 30–60 mins) to solidify the layer.

4. Copper Foil Lamination

Stacking: Align pre-treated copper foil over the cured dielectric layer.
Pressing: Hot-press (180–200°C, 40–60 kg/cm²) to bond copper foil to the dielectric, forming a single-layer structure.

5. Circuit Formation

Dry Film Lamination: Attach photosensitive film to copper foil.
Exposure & Development: UV image transfer to define traces; alkaline wash removes unexposed film.
Etching: Chemical removal (CuCl2 + HCl) of unprotected copper, leaving precise circuitry.

6. Drilling

Mechanical Drilling: CNC drill via holes (diameter ≥0.2 mm) for LED mounting and thermal vias.
Deburring: Remove drilling residues to ensure clean hole walls.

7. Surface Finish

Electroless Nickel/Immersion Gold (ENIG): Apply 3–5 µm Ni + 0.05–0.1 µm Au for fine-pitch SMT soldering.
HASL (Hot Air Solder Leveling): Tin coating for through-hole components (cost-effective alternative).

8. Testing & Inspection

Electrical Test: Flying probe/AOI to detect shorts/opens.
Thermal Validation: Simulate 85°C operation to verify heat dissipation (junction temp ≤120°C).

9. Cutting & Final QA

Routing: CNC milling to separate panels into individual boards.
Visual Inspection: 100% check for defects (e.g., scratches, incomplete plating).

10. Packaging & Shipping

Vacuum Packaging: Moisture-resistant bags + desiccant to prevent oxidation.
Labeling: Include lot number, RoHS compliance, and thermal performance specs.

Metal Core PCB LED Plate Manufacturing Processes

How to Choose a Reliable MCPCB Manufacturer?

Methods about how to choose a trusted MCPCB LED plate Manufacturer:

Verify Certifications:

Confirm ISO 9001/IATF 16949 (quality), UL (safety), and RoHS compliance.
Cross-check certificates via official databases (e.g., UL’s online portal).

Inspect Material Quality:

Request datasheets for thermal conductivity (e.g., aluminum: 1.0–4.0 W/m·K) and dielectric layer specs (thermal resistance <0.1°C·cm²/W).
Ask for third-party lab reports or in-house test results (e.g., ion contamination checks).

Assess Production Equipment:

Ensure factories use automated lines, CNC machines, and environmental testing chambers (e.g., thermal shock chambers).
Check for advanced capabilities like laser drilling (microvias <0.1mm) or thermoelectric separation.

Evaluate Customization Flexibility:

Confirm support for 1–8 layers, hybrid designs (FR4 + MCPCB), and surface finishes (ENIG, HASL, OSP).
Inquire about rapid prototyping (e.g., 24-hour turnaround for single-layer boards).

Check Lead Time & MOQ:

Confirm delivery timelines: 4–21 days for prototypes, 10–15 days for bulk orders (>1,000 pcs).
Prioritize low MOQ (5–10 pcs) to minimize inventory risk.

Review Reputation:

Prioritize suppliers with >10 years of MCPCB experience (e.g., E-CER: 30 years).
Request client references (e.g., automotive or LED OEMs) and check online reviews.

Confirm Technical Support:

Ensure engineers review Gerber files and provide DFM (Design for Manufacturability) feedback.
Verify failure analysis capabilities (e.g., X-ray inspection, cross-sectioning).
Clarify warranty terms (e.g., 1–2 years for material defects).

Compare Pricing Transparency:

Request itemized quotes (material, labor, tooling) and avoid hidden fees (e.g., NRE costs).
Negotiate volume discounts (10–30% off for orders >500 pcs).

How Much Does A MCPCB LED Board Cost?

MCPCB LED Board Price Range

Standard Aluminum PCB (Single-layer, 1oz Cu): Around $0.05–$0.15/cm² (basic LED lighting).
High-Thermal Copper PCB (Multi-layer, 2oz+ Cu): Around $0.30–$0.80/cm² (automotive/high-power applications).
Prototype Costs (Small Batch): Around $50–$200/board (engineering fees included).

MCPCB LED Board Cost Influencers

Substrate Material: Copper-based boards cost 2–3x aluminum due to superior thermal conductivity
Layer Count: Multi-layer designs increase costs by 30–50% vs. single-layer
Copper Thickness: 3oz heavy copper adds ~$0.08/cm²
Surface Finish: Gold plating (ENIG) costs 20–40% more than HASL
Order Volume: Bulk orders (>1,000pcs) reduce unit costs by 30–50%

For ‌precise pricing‌, contact ‌Best Technology‌ for a ‌free DFM review‌ and customized quote: sales@bestpcbs.com.

Tags:MCPCB, MCPCB LED Board, mcpcb led plate
Posted in best pcb, bestpcb, mcpcb, Metal Core PCB | No Comments »

MCPCB Design, MCPCB Prototype, MCPCB Supplier

Monday, July 28th, 2025

What is MCPCB design?

MCPCB stands for Metal Core Printed Circuit Board. Unlike regular PCBs made with fiberglass, MCPCBs use a metal base—usually aluminum or copper—as their core layer. This helps carry heat away from components. In MCPCB design, attention should be paid not only to the electrical layout but also to the thermal flow and mechanical strength.

MCPCB Design, MCPCB Prototype, MCPCB Supplier

MCPCBs are ideal for LED lights, power supplies, automotive electronics, and high-temperature environments. Their main job is to conduct heat away from sensitive components while maintaining solid electrical performance.

So, what is MCPCB design? It’s the process of creating a printed circuit board with a metal core that balances power, heat, and cost—all in one compact board.

What is the MCPCB definition?

By definition, an MCPCB is a circuit board that contains:

A copper circuit layer for electrical conductivity.

A dielectric layer for insulation.

A metal base for heat dissipation (aluminum or copper).

The “MC” in MCPCB represents the metal core, which is what sets it apart from standard PCBs. This unique core allows the board to perform better in thermal management, giving it a clear edge in high-power applications.

In simpler terms, MCPCB = Metal + Circuit + Insulation, all working together.

How does MCPCB design affect cost and performance?

When done right, MCPCB design helps reduce overheating, extends component life, and cuts maintenance costs. But if the thermal path isn’t optimized or trace routing isn’t clean, you might face issues like:

Poor heat dissipation
Solder joint failure
Component damage
Lower LED brightness

All of this can push your costs up. A smart design, on the other hand, balances performance and cost from the beginning. For example:

Using aluminum instead of copper reduces cost without hurting performance for most LED boards.

Selecting the right dielectric material keeps the board thin while ensuring heat is controlled.

Clear trace paths help maintain signal integrity and reduce EMI.

What’s the difference between MCPCB and standard PCBs?

Standard PCBs use FR4 (a fiberglass-reinforced epoxy) as the core. They work well in normal-temperature environments. But as power or current increases, they heat up quickly. And they don’t cool down fast.

MCPCBs, on the other hand, are built for heat. They use a metal core (usually aluminum) instead of FR4. This change gives them superior thermal conductivity, making them ideal for high-power devices.

Let’s put it in simple terms:

Standard PCB = Best for low-heat, general electronics.

MCPCB = Best for high-heat, high-performance applications.

This key difference changes how you approach layout, stack-up, and assembly. That’s why MCPCB design must be treated differently from standard boards.

Why use MCPCB prototype for testing?

Testing MCPCB prototypes before committing to mass production can save you a ton of money and weeks of lost time.

A prototype helps you:

Test thermal behavior in real conditions
Check for design flaws or unexpected hot spots
Ensure your LED PCB maintains brightness under load
Evaluate material quality from your chosen MCPCB supplier

Also, prototyping speeds up development. You get real data fast. This keeps your timeline tight and your product launch on track.

What are key MCPCB design guidelines?

Designing a metal core PCB takes a different mindset. Follow these essential MCPCB design guidelines:

Know your heat source: Place hot components close to vias or thermal pads.

Use wide copper traces: Helps current flow without resistance.

Choose the right metal base: Aluminum for cost-efficiency; copper for higher thermal performance.

Mind your dielectric layer: Thin layers cool better, but must still insulate properly.

Leave room for expansion: Heat causes expansion. Mechanical stress can break solder joints.

The more you follow these core rules, the better your board will perform and the longer its actual service life will be.

Why is MCPCB design critical for LED PCB?

LEDs are sensitive. As their temperature increases, their brightness drops. At high temps, their lifespan can also shrink dramatically. That’s why LED lighting depends on MCPCBs to manage heat efficiently.

With a properly designed LED PCB, you get:

Brighter output with less energy
Longer LED life
Stable color over time
No flicker or degradation

Poor thermal design can degrade LED performance, even if the rest of the circuit is very robust. MCPCB design can protect LED performance.

If you’re in automotive, medical, or commercial lighting, this can make or break product quality.

How is aluminum PCB better for LEDs?

When comparing aluminum PCBs to standard fiberglass ones for LEDs, aluminum wins by a landslide. Here’s why:

Aluminum conducts heat better: It draws heat away from the LED’s base.

It’s lightweight and strong: Perfect for compact fixtures.

It reduces component failure: Lower heat = longer life.

It’s cost-effective: Compared to copper, aluminum gives great performance without high cost.

Aluminum MCPCBs have become the gold standard for LED applications. They offer the right balance of thermal conductivity, cost, and mechanical strength.

How to choose the right MCPCB supplier?

With nearly two decades of experience, Best Technology offers consistent quality, fast delivery, and responsive support.

When choosing a supplier, look for these essentials:

In-house MCPCB design services: At Best Technology, our expert engineering team collaborates closely with you to streamline development and eliminate communication delays.

Prototyping capabilities: We offer rapid MCPCB prototype production.

Material transparency: We use only verified raw materials, including high-purity aluminum and top-tier dielectric insulation, ensuring long-lasting performance.

Certifications and experience: Best Technology is ISO9001:2015 certified, RoHS/REACH compliant, and trusted by global customers across automotive, medical, industrial, and lighting sectors.

Quick technical support: Our 48-hour technical response commitment ensures that your questions are answered when you need them most.

Providing customized solutions: from unique thermal stack-ups to integrated LED designs

Conclusion:

MCPCB design plays a vital role in ensuring performance, reliability, and thermal control in modern electronics—especially in LED PCBs and high-power applications.

And selecting a trusted MCPCB supplier—like Best Technology—ensures expert support, fast prototyping, and consistent quality from concept to production.

Need help with MCPCB design, prototyping, or sourcing? Contact us at sales@bestpcbs.com to get started.

Tags:aluminum pcb, mcpcb definition, mcpcb design, MCPCB prototype, MCPCB supplier
Posted in best pcb, bestpcb, mcpcb, Metal Core PCB, PCB Technology | No Comments »

Custom Copper Thickness On PCB, PCB Copper Plating Thickness

Monday, July 28th, 2025

Copper thickness on PCB plays a major role in the performance, reliability, and thermal management of electronic circuits. Whether you’re developing a simple controller or a power-hungry inverter, the right copper thickness ensures your board handles the load efficiently and safely.

Best Technology is an integrated manufacturer, providing a broad services like material procurement, PCB prototype, PCB mass production, turnkey assembly, and box building in the Chinese market and the international market. Our PCB product lines include extra-thin PCB, heavy copper PCB, HDI PCB, high frequency PCB, and high speed PCB. If you require the detailed quote for custom copper thickness on PCB, or PCB copper plating thickness, please let us know at sales@bestpcbs.com.

Custom Copper Thickness On PCB, PCB Copper Plating Thickness

What is Copper Thickness on PCB?

Copper thickness on PCB refers to the amount of copper applied to the board’s surface and inner layers. It’s usually measured in ounces per square foot, but often converted into millimeters or inches for easier understanding. For instance, 1 oz copper thickness equals approximately 0.035 mm. This measurement impacts current capacity and heat dissipation.

What is the Difference: Custom Copper Thickness On PCB vs PCB Copper Plating Thickness?

While both involve copper, they serve different purposes. Custom copper thickness on PCB refers to the base copper layer, which can be thickened based on circuit needs. PCB copper plating thickness involves additional copper added during the plating process, especially on traces and through-holes, to improve conductivity and durability. Combined, they enhance performance, especially in high-power or harsh environments.

Aspect	Custom Copper Thickness on PCB	PCB Copper Plating Thickness
Definition	Base copper layer applied during PCB laminate manufacturing	Additional copper deposited during plating process
Purpose	Supports overall current capacity and thermal management	Strengthens traces and vias for durability and conductivity
Application Area	Across the entire PCB layer surface	Primarily on traces, pads, and through-holes
Customization	Selectable during board design (e.g., 1 oz, 2 oz, 4 oz)	Controlled by plating process parameters
Impact on Cost	Higher base copper increases material cost	Plating thickness adds process cost
Typical Thickness	0.5 oz to 10 oz (0.0175–0.35mm) (or higher for heavy copper)	20–35 microns (0.02–0.035 mm), depending on need

What is 1 oz Copper Thickness mm on a PCB?

As mentioned earlier, 1 oz copper thickness equals 0.035 mm or 35 microns. This is the standard thickness for most PCBs. However, different applications may require variations. Refer to the table below for common conversions:

Ounce (oz)	Thickness (mm)	Thickness (inches)
0.5 oz	0.0175 mm	0.0007″
1 oz	0.035 mm	0.0014″
2 oz	0.07 mm	0.0028″
3 oz	0.105 mm	0.0041″

When to Use 2 oz Copper Thickness mm PCB?

If your design carries higher current or must withstand heat, 2 oz copper thickness (0.07 mm) is a better choice. This is common in power supply boards, motor controllers, and industrial equipment. It reduces trace resistance and improves heat management.

What are the PCB Copper Plating Thickness for FR4?

In FR4 boards, standard plating thickness usually ranges from 20 to 35 microns (0.02–0.035 mm). This is added to the base copper to strengthen vias and enhance overall durability. For special applications, thicker plating may be applied based on your needs.

What is the Thickness of Copper in Heavy Copper PCB?

Heavy copper PCBs feature copper thickness from 3 oz (0.105 mm) to 15 oz (0.525 mm). These boards are used in high-current and rugged environments, including military, automotive, and industrial applications. Such boards withstand stress and high temperatures better.

Specification	Details
Base Material	FR4 / Aluminum
Copper Thickness	4 OZ ~ 10 OZ
Extreme Heavy Copper	20 OZ ~ 200 OZ
Outline	Routing, Punching, V-Cut
Soldermask Colors	White, Black, Blue, Green, Red Oil
Surface Finishing	Immersion Gold, HASL, OSP
Max Panel Size	580 × 480 mm (22.8\” × 18.9\”)

How to Measure Copper Thickness on PCB?

Copper thickness can be measured by cross-section analysis or X-ray fluorescence (XRF). These methods provide precise results, especially when verifying custom or plated copper layers. Many PCB manufacturers provide a PCB copper thickness chart for quick reference.

How to Choose PCB Copper Thickness on PCB?

When selecting copper thickness, consider these points:

Current load – higher current needs thicker copper.
Thermal management – thicker copper helps spread heat.
Board size – small boards with high current must compensate with thickness.
Cost – more copper means higher cost.

All in all, use a copper thickness on PCB calculator to match your design needs accurately.

Why Choose Best Technology for Custom Copper Thickness on PCB Service?

Customers often face delays, inconsistent quality, or limited customization. At Best Technology, we understand these pain points. Our services offer:

Full Customization: From 0.5 oz to 15 oz copper, tailored to your project needs.
Precision and Quality: Advanced equipment ensures consistent plating and copper thickness.
Fast Turnaround: Quick prototyping and reliable mass production, reducing your time to market.
Certifications: ISO9001, AS9100D, ISO13485, IATF16949, UL, RoHS – giving you high quality PCBs.
24/7 Technical Support: Experienced engineers provide advice on copper thickness for your design goals.

Above are Best Technology’s distinctive traits. You’ll know exactly what’s on your board and how it performs. No guesswork, no delays. We will give the optimal solution that works for you, and your project will move forward with ease.

Why Choose Best Technology for Custom Copper Thickness on PCB Service?

To sum up, copper thickness on PCB affects everything from current flow to thermal stability. Whether you need standard or heavy copper, getting it right improves reliability and performance. Best Technology not only helps you select the right thickness but also ensures top-quality results, every time. By solving common challenges such as slow delivery, lack of expertise, and inconsistent results, we support your PCB success from prototypes to full assembly. Reach out to us at sales@bestpcbs.com, then get a quote or discuss your design together.

Tags:Copper Thickness On PCB, PCB Copper Plating Thickness
Posted in best pcb, bestpcb, FR4 PCB | No Comments »

Quick Aluminium Clad PCB Prototype, Fabrication and Assembly

Monday, July 28th, 2025

Aluminium clad PCB is widely chosen for applications that demand high thermal performance, durability, and stable operation under tough conditions. Whether you’re designing LED lighting systems or power converters, aluminium PCBs can offer better heat dissipation and mechanical support compared to traditional boards.

Best Technology is the primary custom MCPCB manufacturer in China, providing quick aluminium clad PCB prototype, fabrication, and assembly services in a very large market. We have our factory conforming with ISO 9001, ISO 13485, IATF 16949, AS9100D, UL, REACH, and RoHS. We have a competitive edge in quality control through improved manufacturing processes as well as through sophisticated inspection equipment. It would be nice if you could share your request for new enquiries with our team at sales@bestpcbs.com, then we could share the quote specifically.

What is Aluminium Clad PCB?

An aluminium clad PCB consists of a thin layer of thermally conductive dielectric material, laminated between a copper circuit layer and an aluminium base. This structure helps conduct heat away from critical components. It’s often used in high-power applications where heat control is essential.

What is the Difference: Aluminum PCB vs FR4?

FR4 is a standard fiberglass material used in many PCBs. In contrast, aluminium clad boards use metal for the base, offering superior heat conduction. Aluminium boards are more robust, but FR4 is flexible for complex layer designs. Choosing between them depends on your project’s thermal needs and mechanical demands.

What is Aluminium Clad PCB Price?

Aluminium clad PCB price depends on board size, copper thickness, aluminum grade, and complexity. Although it may cost more than FR4 in raw material, it saves costs in heat sinks and boosts durability. For cost-effective prototypes and small runs, Best Technology offers competitive pricing and fast delivery.

What are Metal Clad PCB Specifications?

Key specifications of metal clad PCBs can vary depending on the application, but the typical ranges include:

Base Material: Commonly used aluminium alloys are 5052 and 6061, both offering good strength and thermal properties. While 3003 can be used, it is less typical due to its lower mechanical strength and thermal conductivity.
Thermal Conductivity: Standard aluminium clad PCBs offer thermal conductivity between 1.0 to 2.0 W/mK. Higher values, such as 3.0 W/mK, are available but usually require special high thermal conductivity materials, which may increase cost.
Copper Thickness: The copper layer usually ranges from 1oz to 6oz. The 1oz to 3oz range is most common, but higher thickness is possible for heavy current applications.
Board Thickness: Standard thickness ranges from 0.8mm to 3.2mm, but thinner boards, such as 0.6mm, can also be manufactured based on project needs.
Surface Finish: Typical surface treatments include HASL (Hot Air Solder Leveling), ENIG (Electroless Nickel Immersion Gold), and OSP (Organic Solderability Preservative). The choice depends on the specific assembly process and performance requirements.

These specifications allow metal clad PCBs to deliver efficient heat management and maintain structural integrity under demanding conditions. However, values should be tailored to suit the product’s real-world operating environment for best results.

What is Delamination on an Aluminum Clad PCB?

Delamination refers to the separation between layers. On aluminium boards, it can happen due to poor lamination or thermal stress. Using high-quality bonding materials and strict process control helps avoid this issue. Best Technology uses advanced lamination techniques and thermal cycling tests to ensure reliability.

What is the Purpose of Clad Aluminum?

Clad aluminum serves two key purposes: mechanical strength and heat management. It acts as a heat sink, drawing heat away from components. It also adds rigidity, which is helpful in high-stress environments such as automotive and industrial controls.

What are the Advantages of Aluminum PCB Material?

Aluminium PCB material offers several benefits:

Excellent thermal conductivity
Improved durability and support
Reduced need for additional heat sinks
Cost-effective in high-power applications
Lightweight yet strong structure

These advantages make aluminium PCB board ideal for LED lighting, power electronics, and automotive sectors.

What is Aluminium PCB Board Used For?

Common uses include:

LED lighting systems
Power supplies and inverters
Automotive lighting and control systems
Solar panels and power modules

The aluminium PCB board for LED is especially popular due to its ability to manage high heat from LED chips efficiently.

How to Ensure Quality During Aluminium PCB Manufacturing Process?

Quality control is key. Steps include:

Material inspection – Ensure consistent aluminium quality
Precise drilling and etching – Maintain tight tolerances
Thermal testing – Validate heat transfer capabilities
Visual inspection – Check for delamination or cracks

Best Technology uses MES systems for full traceability. Our in-process monitoring ensures every board meets strict quality standards, reducing defects and customer returns.

Why Choose Best Technology for Aluminium PCB Board for LED?

Customers often face issues like delayed delivery, unstable quality, or poor communication from suppliers. At Best Technology, we address these problems with clear solutions:

Fast Prototyping: Quick turn services to meet tight deadlines
Stable Quality: Certified by ISO9001, ISO13485, and IATF16949
24/7 Technical Support: English-speaking engineers and responsive support
Customization: Flexible for small or large volume, special designs welcomed

We offer aluminum PCB enclosures, full assembly, box build, and testing services to simplify your project workflow. With over 1700 satisfied global clients, we’ve built a reputation for on-time delivery and reliable product performance.

Why Choose Best Technology for Aluminium PCB Board for LED?

In closing, choosing the right partner for your aluminium clad PCB needs can make or break your project timeline and budget. Best Technology offers a complete solution — from prototype to final assembly. We understand your need for speed, quality, and clear communication. With rigorous quality control and stable manufacturing process, we help reduce risks and support your success. If you have enquiries concerning aluminium clad PCB, just let us know at sales@bestpcbs.com or +86-755-2909-1601. We will try our best to meet your requirements. Any enquiry made always gets our response quickly.

Tags:Aluminium Clad PCB
Posted in best pcb, bestpcb, mcpcb, Metal Core PCB | No Comments »

Metal Core PCB Material: Types, Properties & Applications

Friday, July 25th, 2025

When it comes to managing heat in high-power electronic devices, Metal Core PCBs (MCPCBs) are the go-to solution. These boards use a metal base—typically aluminum or copper—to efficiently dissipate heat for LEDs, power modules, and automotive systems. However, the effectiveness of an MCPCB depends heavily on the material chosen for its core and dielectric layers.

At Best Technology, we specialize in custom MCPCB fabrication using materials from leading global brands like Laird, Bergquist, and Ventec. Whether you need aluminum-based MCPCBs for LED lighting or copper-core boards for power electronics, we offer full support from material selection to prototyping and mass production. In this blog, we will share some information about metal core PCB materials, help you to understand MCPCB from the inside to out.

Metal Core PCB Material: Types, Properties & Applications

What Is Metal Core PCB?

A metal core PCB (MCPCB) is a printed circuit board that uses a metal base instead of traditional fiberglass (FR4). This metal base acts as a heat spreader, drawing heat away from components that generate significant thermal energy during operation.

In a typical MCPCB, the structure includes three key layers:

Copper Circuit Layer – for electrical connections.
Dielectric Layer – an insulating layer that separates the copper from the metal core, allowing heat transfer but preventing electrical conduction.
Metal Core (Base Layer) – typically aluminum, copper, or stainless steel, used to conduct heat away from the board.

These PCBs are engineered to handle thermal management more efficiently than standard PCBs. As electronic devices become more compact and powerful, effective heat dissipation becomes more important, and MCPCBs offer a practical solution.

Common Metal Core PCB Materials

There are several options when it comes to metal core PCB material, each with its own unique benefits. The choice depends on factors like thermal requirements, mechanical strength, weight, and budget.

1. Aluminum Core

Aluminum is the most commonly used metal core material in MCPCBs. It is lightweight, cost-effective, and has good thermal conductivity—typically around 205 W/m·K. Aluminum cores are ideal for LED lighting, consumer electronics, and automotive circuits where heat must be dissipated efficiently, but extreme thermal loads are not present. The commonly used aluminum core PCB in Best Technology is 5052, 6061, 3003, here is the datasheet of them:

Property	6061 Aluminum	5052 Aluminum	3003 Aluminum
Material Type	Al-Mg-Si	Al-Mg	Al-Mn
Tensile Strength (MPa)	290 – 350	190 – 260	130 – 200
Yield Strength (MPa)	240	160 – 200	115 – 150
Elongation at Break (%)	10 – 17	12 – 20	15 – 20
Thermal Conductivity (W/m·K)	167	138	159
Density (g/cm³)	2.70	2.68	2.73
Melting Point (°C)	582 – 652	607 – 650	643 – 657

2. Copper Core

Copper is used where superior heat dissipation is needed. It has excellent thermal conductivity—around 385 W/m·K—and is suitable for high-power applications such as power supplies, industrial equipment, and RF systems. While it offers the best performance in terms of heat transfer, it is also heavier and more expensive than aluminum.

3. Stainless Steel Core

Stainless steel is rarely used, but it can be found in certain niche applications where corrosion resistance and mechanical strength are more important than thermal performance. Its thermal conductivity is much lower, around 16 W/m·K, making it suitable only for specific use cases.

Metal Core PCB Material Manufacturers

When choosing a metal core PCB manufacturer, it’s important to work with companies that supply high-quality materials and have a track record of consistency and reliability. Below are some of the leading manufacturers of metal core PCB materials that we cooperating:

Bergquist (Henkel)
Ventec
Polytronics (Taiwan)
Boyu (China)
Laird Technologies
Totking (China)
Dupont Clamcool
XianYang Bode electronic

Why Thermal Conductivity Is Important in MCPCB?

The thermal conductivity of a material refers to the amount of heat it can transfer under stable conditions. Specifically, for a 1-meter-thick material, if the temperature difference between two surfaces is 1°C, and heat transfer occurs through 1 square meter within 1 hour, the quantity of heat transferred is expressed in W/m·K (watts per meter-kelvin). For practical use, K (kelvin) can often be replaced by °C.

The thermal conductivity value depends on the material’s composition, density, moisture content, and temperature. Materials with lower density or non-crystalline structures tend to have lower thermal conductivity, while materials with higher density and metallic bonding structures transfer heat more efficiently.

Generally, materials with low thermal conductivity are referred to as thermal insulators, and those with a conductivity below 0.05 W/m·K are called high-efficiency insulation materials. In contrast, metals typically exhibit high thermal conductivity, which makes them ideal for use in metal core PCBs.

Thermal Conductivity of Common Metals Materials

Metal	Thermal Conductivity (W/m·K)
Silver	429
Copper	401
Gold	317
Aluminum	237
Iron	80
Lead	67
Zinc	34.8

As seen in the table above, silver has the highest thermal conductivity, followed by copper and gold. However, due to cost and practicality, copper and aluminum are the most commonly used metals in MCPCBs. Aluminum strikes a balance between cost, weight, and thermal performance, while copper is chosen for extreme thermal demands.

1W vs 2W vs 3W Thermal Conductivity Differences

When evaluating MCPCB materials, it’s essential to consider not only the core metal but also the thermal conductivity of the dielectric layer. This layer sits between the copper circuitry and the metal base. In the metal core pcb manufacturing, the commonly used dielectric layers are 1W, 2W and 3W.

1W/m·K: Basic dielectric material, suitable for low-power circuits and LEDs with minimal heat output.

2W/m·K: Offers moderate thermal performance, ideal for mid-power LEDs and general electronics.

3W/m·K or higher: Designed for high-power LEDs or circuits that generate significant heat, ensuring efficient transfer to the metal core.

Choosing a higher thermal conductivity dielectric can greatly reduce thermal resistance, leading to better overall cooling performance. But not the higher the better, it should depends on your specific demands.

Aluminum PCB vs Copper Core PCB

When comparing aluminum PCBs and copper core PCBs, the main differences come down to thermal performance, cost, and application needs. Both are types of metal core PCBs (MCPCBs), but they serve different purposes depending on how much heat your circuit generates and how much budget you have.

Aluminum PCB is the most commonly used metal core because it offers a good balance of performance, weight, and affordability. It provides moderate thermal conductivity (around 237 W/m·K) and is suitable for many applications, especially LED lighting, consumer electronics, and automotive circuits where heat is present but manageable. Aluminum is also lightweight, making it easier to handle and mount, especially in devices where weight matters.

Copper core PCB, on the other hand, offers superior thermal conductivity (around 401 W/m·K if used directly thermal path technology), nearly double that of aluminum. This allows it to handle more heat, which is crucial in high-power electronics, RF systems, and industrial power converters. However, copper is heavier and more expensive, so it’s typically used only when the highest level of heat dissipation is required.

Can I Use Aluminum PCB in High Power LED Lighting?

Yes, aluminum PCBs are widely used in high-power LED lighting, especially when paired with high thermal conductivity dielectric materials. These boards effectively dissipate heat away from LEDs, preventing overheating and maintaining light output stability.

However, the design must ensure:

Adequate heat spreading area
Proper thickness of aluminum core (typically 1.0mm to 1.6mm)
High-quality dielectric layer with 2W or 3W thermal conductivity

In cases where LEDs generate extreme heat, consider using copper MCPCBs or combining the aluminum core with external heat sinks for better performance.

How to Choose the Right MCPCB Material for LED Projects?

Selecting the correct metal core PCB material for your LED project involves analyzing the following:

Thermal Output of LEDs

Higher wattage LEDs generate more heat. For low-power LEDs, aluminum with 1W/m·K dielectric is sufficient. For high-power LEDs, choose aluminum or copper with 2W–3W dielectric.

Mechanical Requirements

If the PCB must endure vibration or mechanical stress (e.g., automotive lighting), choose thicker copper for added durability.

Budget Considerations

Aluminum offers a cost-effective balance between performance and price. Copper is more expensive and should be reserved for projects where thermal performance cannot be compromised.

Weight Constraints

In portable or ceiling-mounted LED systems, lightweight aluminum helps reduce the overall weight of the fixture.

Metal Core PCB Applications

LED Lighting: Used in street lights, automotive lights, grow lights, and flood lights to ensure LEDs stay cool.
Power Electronics: Found in motor controllers, inverters, and converters to handle large currents and heat.
Automotive: Used in ECUs, headlights, and battery systems for reliable performance in harsh environments.
Telecommunications: Applied in RF modules, power amplifiers, and antenna systems.
Consumer Devices: Used in high-performance audio systems and power adapters.

Best Technology – Your Online Partner in MCPCB Manufacturing

At Best Technology, we specialize in the design and production of metal core PCBs for various industries. Whether you need aluminum or copper-based boards, we deliver customized thermal solutions to meet your specific project needs. By choosing Best Technology, you can enjoy:

99% on-time delivery
Highest quality that conforms to IATF16949
Factory prices with no MOQ
High mixed varieties: aluminum pcb, copper PCB, directly thermal path PCB, ims pcb
Multiply surface finish: OSP, HASL, ENIG, ENEPIG
Turnkey PCB & PCBA assembly
Flexible Production: From prototypes to high-volume manufacturing
Free DFM & DFA checks
24/7 online sales

FAQs

Q1: What thickness is standard for aluminum MCPCBs?

Typical thicknesses range from 1.0mm to 1.6mm, depending on mechanical strength and thermal needs.

Q2: Is copper MCPCB worth the extra cost?

Yes, in high-power applications where superior thermal performance is necessary, copper is a valuable investment.

Q3: Can I request a custom thermal analysis?

Absolutely. Best Technology provides thermal analysis and simulation support to ensure the right material choice.

Q4: Are there standard sizes for MCPCB panels?

Yes, but we also offer custom sizes based on your design files and project needs.

Q5: How can I get a quote for metal core PCBs?

Send your Gerber files, project details, and thermal requirements to Best Technology. Our team will respond within 12 hours.

Tags:Metal Core PCB Manufacturer, metal core pcb material, metal core pcb stackup
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MCPCB Fabrication Factories, ‌Direct from Factory‌

Friday, July 25th, 2025

How to find a MCPCB fabrication factory?‌ This guide explains metal core PCB manufacturing, its benefits, processes, and how to select reliable suppliers.

Are you worried about these issues?

How long can your product run stably at high temperatures?
Do urgent orders always put you in a passive position?
How to balance cost and price?

Best Technology Can Provide:

Customized thermal management solution: Adopt gradient thermal conductive structure design, which can reduce the junction temperature of the device by 25℃+ and extend the service life by 3 times.
72-hour express delivery: reserve special production line capacity, and the expedited order can be shipped in as fast as 3 days (including quality inspection).
Value engineering cost optimization: Through material combination innovation and process simplification, we can help customers reduce costs by 15% while ensuring IPC standards.

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

What Is MCPCB Fabrication?

MCPCB fabrication involves manufacturing circuit boards with a metal core (typically aluminum or copper) to enhance heat dissipation. The process includes bonding a thermally conductive dielectric layer to the metal base for electrical insulation, laminating a copper circuit layer on top, and etching circuit patterns via photolithography. Vias are drilled and plated for electrical connectivity, followed by surface finishes to protect copper and ensure solderability. Designed for high-power applications, MCPCBs efficiently manage thermal stress in devices like LEDs, automotive systems, and power electronics.

Benefits of Metal Core PCB Fabrication

Superior Heat Dissipation – Metal cores (Al/Cu) conduct heat 8–12× faster than FR4, reducing component temperatures by up to 15°C (e.g., LEDs). Extends product lifespan and prevents thermal throttling.
Enhanced Durability – Metal substrates resist warping and vibration, ideal for automotive/industrial use. Withstands temperatures up to 120°C continuously.
Compact Design – Eliminates bulky heatsinks, enabling thinner devices. Supports double-sided component mounting.
Cost Efficiency – Reduces reliance on external cooling systems. Lower maintenance costs due to higher reliability (MTBF ≥50,000h).
Eco-Friendly – Aluminum cores are recyclable, aligning with sustainability goals.
High-Power Performance – Handles power densities >20 W/cm² (e.g., IGBT modules) without degradation.
EMI Shielding – Metal base acts as a natural shield, reducing electromagnetic interference.

Applications of Metal Core PCB Fabrication

High-Power LED Lighting – Directs heat from LEDs to metal core, preventing premature failure. Extends lifespan and reduces maintenance costs.
Electric Vehicle (EV) Systems – Cools battery modules, motor controllers, and charging units. Withstands vibration and thermal stress for reliable operation.
Renewable Energy Inverters – Enhances thermal efficiency in solar/wind inverters, minimizing energy loss and boosting ROI.
Medical Imaging & Diagnostics – Stabilizes temperature-sensitive components (e.g., lasers, sensors). Ensures precision in critical healthcare devices.
Aerospace & Defense Electronics – Resists extreme temperatures and mechanical stress in satellite/aviation systems. Maintains performance during rapid thermal cycling.
Industrial Motor Control – Manages heat from high-current motor drivers and inverters. Prevents thermal deformation, ensuring continuous operation.
5G Base Station Modules – Efficiently dissipates heat from high-frequency RF components. Maintains signal integrity and reliability in dense wireless infrastructure.
EV Charging Infrastructure – Supports high-power DC charging by rapidly conducting heat away from power electronics. Enables faster, safer charging solutions.

MCPCB Fabrication Processes

1. Design & Engineering

Use EDA tools to create PCB layout, adhering to IPC-2221 standards.
Generate Gerber files and validate through Design Rule Checks (DRC).

2. Material Preparation

Select metal substrate (aluminum/copper), insulating layer (epoxy/ceramic), and copper foil.
Cut metal base to specified dimensions.

3. Metal Substrate Treatment

Clean substrate to remove contaminants.
Apply insulating layer via coating or lamination, ensuring uniformity.

4. Circuit Layer Formation

Use photolithography to pattern copper traces:

Coat substrate with photoresist.
Expose to UV light through circuit masks.
Develop and etch to remove excess copper.

5. Lamination & Pressing

Stack layers (metal base, insulating layer, copper foil) with prepreg.
Press under high temperature/pressure to bond layers (IPC-6012 compliance).

6. Drilling & Plating

Drill via holes for interlayer connections.
Electroplate holes to deposit copper, ensuring conductivity (IPC-A-610).

7. Surface Finish

Apply surface treatment (e.g., ENIG, OSP) to protect copper and enhance solderability.

8. Testing & Inspection

Electrical test (flying probe) to verify connectivity.
AOI for defects, thermal stress test for reliability.

9. Profiling & Cutting

Route PCB to final shape, V-cut or bevel edges as needed.

10. Packaging & Shipping

Final inspection, vacuum packaging to prevent oxidation.

How to Find MCPCB Fabrication Factories?

A guide about how to find MCPCB fabrication factories:

1. Search Online: Use Google/Bing with keywords: “MCPCB manufacturer China,” “metal core PCB fabrication.”

2. Browse B2B Platforms: Check Alibaba International, Made-in-China, or Global Sources. Filter by Trade Assurance, UL/IPC-6012 certifications, and MOQ.

3. Attend Global Trade Shows: Visit Productronica China, HKTDC Electronics Fair, or CES to meet suppliers and inspect samples.

4. Verify Certifications: Confirm UL, ISO 9001, and IPC-6012 compliance via official databases.

5. Request Quotes: Send detailed specs (materials, layer count, thermal requirements) and ask for free prototypes + DFM feedback.

6. Audit Factories: Check production equipment (automation level), AOI/X-ray inspection, and thermal testing labs via virtual/on-site visits.

7. Prioritize Technical Expertise: Choose factories with MCPCB capabilities and experience in high-power applications (LED, automotive).

How to Find MCPCB Fabrication Factories?

Why Choose Best Technology as MCPCB Manufacturer?

Precision Manufacturing for High-Performance MCPCBs: Specialized in production of aluminum and copper-core PCBs with ±10μm tolerance, ensuring optimal thermal conductivity for LED, automotive, and power electronics applications.
Custom Thermal Solutions for Your Needs: Our engineers dielectric layers and metal core designs to maximize heat dissipation, with thermal conductivity ranging from 1.0W/m·K to 4.0W/m·K for stable performance in high-power environments.
24-Hour Rapid Prototyping for Critical Projects: Emergency orders processed within 24 hours, reducing time-to-market by up to 70% compared to industry standards.
Strict Quality Control for Bulk Orders: Full AOI and X-ray inspection on every bulk order, maintaining defect rates below 0.1% (industry average: 0.5%).
Factory-Direct Pricing with No Hidden Costs: Transparent pricing saves 15-30% compared to distributors, with no additional fees for design reviews or testing.
Fast Delivery with Consistent Lead Times: Standard lead times as short as 5 days (industry average: 10-14 days), with 98% on-time delivery rate.
Free DFM Analysis to Optimize Your Design: Technical team reviews designs for manufacturability, reducing production errors by up to 40%.
High-Quality Material Sourcing: Exclusively uses FR-4 and aluminum substrates from top suppliers like Rogers and Ventec for reliability.
Scalable Production Capacity: Handles orders from 10-unit prototypes to 50K+ monthly batches without compromising quality.

Our Certification & Quality Inspection

Certified & Compliant Standards: ISO 9001, ISO 13485, IATF 16949 Certified, and UL, REACH, RoHS Compliant.
AOI (Automated Optical Inspection): Detects surface defects like open/short circuits, missing components, and soldering issues.
X-Ray Inspection (Internal Defect Screening): Checks solder joint voids, cracks, and BGA/QFN hidden defects.
Peel Strength Test (Adhesion Assessment): Quantifies copper-clad laminate bonding force (ASTM D903).
Aging Test (Environmental Stress Screening): Includes thermal cycling (-40℃~85℃) and humidity exposure to validate long-term reliability.
Dimensional Verification (CMM/Profilometer): Measures thickness (±0.1mm), flatness, and hole alignment accuracy.

How to Get Quotes for MCPCB Fabrication Service?

To ensure accurate pricing and lead time, please submit the following technical specifications:

1. Gerber Files

Layer stack-up (e.g., 1-layer Al base + 2 copper layers).
Drill files (.txt) with hole size tolerance (±0.1mm).

2. Material Specifications

Metal core type (e.g., 6061-T6 aluminum, 2.0W/mK thermal conductivity).
Copper thickness (e.g., 1oz/35μm for signal layers, 2oz/70μm for power layers).
Dielectric layer thickness (e.g., 100μm FR-4 prepreg).

3. Quantity & Lead Time

Sample order (1-5 pcs) or bulk production (100+ pcs).
Required delivery date (e.g., 3 days for prototypes, 15 days for bulk).

4. Special Requirements

Thermal vias (e.g., 0.3mm diameter, 1.0mm pitch).
Surface finish (e.g., ENIG, HASL).
Electrical test criteria (e.g., 100% flying probe test)

Why Choose Best Technology for MCPCB?

Factory-direct pricing with no hidden fees.
24-hour rapid prototyping for urgent projects.
Thermal optimization support for high-power applications.

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

Tags:MCPCB Fabrication, MCPCB Fabrication Factories
Posted in best pcb, bestpcb, mcpcb, Metal Core PCB | No Comments »