{"id":10632,"date":"2025-07-17T11:53:52","date_gmt":"2025-07-17T03:53:52","guid":{"rendered":"https:\/\/www.bestpcbs.com\/blog\/?p=10632"},"modified":"2025-07-22T14:18:40","modified_gmt":"2025-07-22T06:18:40","slug":"thick-copper-pcb-board-prototype-manufacturer","status":"publish","type":"post","link":"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/","title":{"rendered":"Thick Copper PCB Board Prototype &amp; Manufacturer"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#What_Is_Thick_Copper_PCB\" >What Is Thick Copper PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Heavy_Copper_PCB_Specification\" >Heavy Copper PCB Specification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Benefits_of_Thick_Copper_PCB_Board\" >Benefits of Thick Copper PCB Board<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Application_of_Thick_Copper_PCBs\" >Application of Thick Copper PCBs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Manufacturing_Processes_of_Thick_Copper_PCB_Board\" >Manufacturing Processes of Thick Copper PCB Board<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Why_Choose_EBest_Circuit_Best_Technology_as_Thick_Copper_PCB_Manufacturer\" >Why Choose EBest Circuit (Best Technology) as Thick Copper PCB Manufacturer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Our_Thick_Copper_PCB_Capabilities\" >Our Thick Copper PCB Capabilities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#Thick_Copper_PCB_Board_Prototype_Fast_Delivery\" >Thick Copper PCB Board Prototype Fast Delivery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/#How_to_Get_A_Quote_for_Thick_Copper_PCB_Boards\" >How to Get A Quote for Thick Copper PCB Boards?<\/a><\/li><\/ul><\/nav><\/div>\n<div class=\"yzp-no-index\"><\/div>\n<p>Looking for <strong><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/\" title=\"\">thick copper PCB<\/a><\/strong> solution? This guide explores its benefits, application, specifications, manufacturing advantages, manufacturing process..<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0899f3\" class=\"has-inline-color\">Struggling with frequent PCB failures due to overheating in high-current designs?<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0899f3\" class=\"has-inline-color\">Need thicker copper for power integrity but worried about manufacturing defects?<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0899f3\" class=\"has-inline-color\">Tired of suppliers charging premium prices for 6oz+ copper boards with slow turnarounds?<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0794ec\" class=\"has-inline-color\">EBest Circuit (Best Technology) Can Provide:<\/mark><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0292eb\" class=\"has-inline-color\">Robust Thermal Management: Advanced 4oz\u201315oz copper plating ensures 30%+ heat dissipation, reducing hotspots in power electronics.<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0292eb\" class=\"has-inline-color\">Zero-Defect Fabrication: Laser-drilled vias and symmetrical stacking prevent copper peeling, even in multilayer designs.<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0292eb\" class=\"has-inline-color\">Cost-Efficient Scaling: Optimized panel utilization and bulk-order discounts cut costs by 15% without sacrificing quality.<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0);color:#099af4\" class=\"has-inline-color\"><strong>Welcome to contact EBest Circuit (Best Technology): <a href=\"mailto:sales@bestpcbs.com\">sales@bestpcbs.com<\/a>.<\/strong><\/mark><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Thick_Copper_PCB\"><\/span>What Is Thick Copper PCB?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/\" title=\"\">Thick copper PCB<\/a><\/strong>, often termed <strong><a href=\"https:\/\/www.bestpcbs.com\/products\/heavy-copper-pcb.htm\" title=\"\">heavy copper PCB<\/a><\/strong>, is a specialized printed circuit board featuring copper layers substantially thicker than standard designs, usually exceeding 3 ounces per square foot (approximately 105 micrometers), to support elevated electrical loads and thermal dissipation.<\/p>\n\n\n\n<p>This design significantly boosts current-carrying capacity, minimizes resistance, and enhances reliability in high-power environments like industrial equipment, automotive systems, and renewable energy applications, where heat management and durability are prioritized.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/main-24.jpg\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/main-24.jpg\" alt=\"What Is Thick Copper PCB?\" class=\"wp-image-10636\" style=\"width:840px;height:auto\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Heavy_Copper_PCB_Specification\"><\/span>Heavy Copper PCB Specification<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Category<\/td><td>Specification<\/td><\/tr><tr><td>Copper Weight<\/td><td>3 oz\/ft\u00b2 (105 \u00b5m) to 20 oz\/ft\u00b2 (700 \u00b5m) or custom thicknesses.<\/td><\/tr><tr><td>Current Capacity<\/td><td>Supports 100A+ with proper trace design; reduces resistive power loss.<\/td><\/tr><tr><td>Thermal Management<\/td><td>High thermal conductivity (385 W\/m\u00b7K) for effective heat dissipation.<\/td><\/tr><tr><td>Dielectric Material<\/td><td>FR-4, polyimide, or ceramic substrates compatible with thick copper layers.<\/td><\/tr><tr><td>Minimum Trace Width<\/td><td>0.3\u20130.5 mm (varies with copper weight and etching process).<\/td><\/tr><tr><td>Plating Requirements<\/td><td>Additional copper plating (up to 5 oz) for vias\/pads to prevent cracking.<\/td><\/tr><tr><td>Aspect Ratio<\/td><td>8:1 (drill depth to diameter) for reliable through-hole plating.<\/td><\/tr><tr><td>Finish Options<\/td><td>HASL, ENIG, immersion silver, or selective gold plating for corrosion resistance.<\/td><\/tr><tr><td>Operating Temperature<\/td><td>-50\u00b0C to +150\u00b0C (material-dependent).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_Thick_Copper_PCB_Board\"><\/span>Benefits of Thick Copper PCB Board<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enhanced Current-Carrying Capacity\u200c<\/strong> &#8211; Thick copper layers (3 oz\/ft\u00b2 to 20+ oz\/ft\u00b2) reduce electrical resistance, enabling higher current flow without overheating. Ideal for power converters and motor drives.<\/li>\n\n\n\n<li><strong>Superior Thermal Management\u200c <\/strong>&#8211; Increased copper mass dissipates heat efficiently, minimizing hot spots in high-power applications like industrial machinery or EV charging systems.<\/li>\n\n\n\n<li><strong>Improved Mechanical Durability\u200c<\/strong> &#8211; Resists thermal expansion stress and vibration, extending lifespan in harsh environments (e.g., aerospace, automotive).<\/li>\n\n\n\n<li><strong>Space Optimization in Complex Designs\u200c <\/strong>&#8211; Combines high-power traces with standard circuits on a single board, reducing assembly size and simplifying layouts.<\/li>\n\n\n\n<li><strong>Higher Reliability Under Extreme Conditions\u200c <\/strong>&#8211; Stable performance in high-temperature or high-voltage scenarios, such as renewable energy inverters or defense systems.<\/li>\n\n\n\n<li><strong>Reduced Power Loss\u200c <\/strong>&#8211; Lower resistive losses compared to thin-copper alternatives, enhancing energy efficiency in data centers and telecom infrastructure.<\/li>\n\n\n\n<li><strong>Flexible Design Integration\u200c<\/strong> &#8211; Supports mixed-technology designs (e.g., embedded components) for advanced electronics requiring both signal integrity and power delivery.<\/li>\n\n\n\n<li><strong>Cost-Effective for High-Power Applications\u200c<\/strong> &#8211; Long-term savings by reducing the need for additional cooling components or redundant circuitry.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/3-10.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/3-10.png\" alt=\"Benefits of Thick Copper PCB Board\" class=\"wp-image-10639\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application_of_Thick_Copper_PCBs\"><\/span>Application of Thick Copper PCBs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Power Electronics<\/strong> &#8211; High-current inverters, DC-DC converters, industrial power supplies (currents >50A).<\/li>\n\n\n\n<li><strong>Automotive Systems <\/strong>&#8211; Electric vehicle battery management systems, onboard chargers, traction motor controllers (vibration, thermal cycling).<\/li>\n\n\n\n<li><strong>Renewable Energy Infrastructure <\/strong>&#8211; Solar inverters, wind turbine converters, grid-tied energy storage systems (high-current flows, outdoor thermal loads).<\/li>\n\n\n\n<li><strong>Industrial Machinery<\/strong> &#8211; Motor drives, welding equipment, automation controllers (surge currents, repetitive thermal stress).<\/li>\n\n\n\n<li><strong>Aerospace and Defense<\/strong> &#8211; Avionics power systems, radar transmitters, satellite communication modules (vacuum, radiation, mechanical shock).<\/li>\n\n\n\n<li><strong>High-Power LED Lighting<\/strong> &#8211; Stadium lighting arrays, horticultural grow lights, automotive headlamp systems (uniform heat distribution across LED arrays).<\/li>\n\n\n\n<li><strong>Medical Devices<\/strong> &#8211; MRI cooling systems, laser surgery equipment, diagnostic imaging power modules (stable power delivery, sterile environments).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/4-10.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/4-10.png\" alt=\"Application of Thick Copper PCB\" class=\"wp-image-10640\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Processes_of_Thick_Copper_PCB_Board\"><\/span>Manufacturing Processes of Thick Copper PCB Board<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>1. Design Preparation: <\/strong>Use CAD software to define circuit patterns, ensuring trace widths and spacing comply with thick copper (\u22653 oz\/ft\u00b2) current-carrying requirements.<\/p>\n\n\n\n<p><strong>2. Material Selection<\/strong>: Choose substrates with high thermal stability (e.g., FR-4, polyimide) and copper foils tailored to target thickness (4 oz\/ft\u00b2 to 20 oz\/ft\u00b2).<\/p>\n\n\n\n<p><strong>3. Copper Deposition<\/strong>: Apply electroplating or etched-foil processes to achieve uniform copper layers. Thick copper requires controlled plating currents to avoid voids or uneven distribution.<\/p>\n\n\n\n<p><strong>4. Pattern Etching<\/strong>: Use alkaline or acidic etchants to remove excess copper. Thick copper demands longer etching times and specialized chemistry to prevent undercutting.<\/p>\n\n\n\n<p><strong>5. Lamination<\/strong>: Stack prepreg layers and copper clads under high temperature\/pressure. Thick copper boards may require sequential lamination to manage resin flow and avoid delamination.<\/p>\n\n\n\n<p><strong>6. Drilling<\/strong>: Machine-drill via holes using carbide bits. Thick copper boards need slower drill speeds and peck-drilling cycles to prevent bit wear and ensure hole quality.<\/p>\n\n\n\n<p><strong>7. Through-Hole Plating<\/strong>: Deposit copper into drilled vias via electroless or electrolytic plating. Thick copper requires thicker via barrels (\u22651.5 mils) to withstand high current and thermal stress.<\/p>\n\n\n\n<p><strong>8. Solder Mask<\/strong>: Apply epoxy-based solder mask using screen printing or spray coating. Thick copper boards may need adjusted mask thickness to cover raised copper areas.<\/p>\n\n\n\n<p><strong>9. Surface Finish<\/strong>: Apply finishes like HASL (Hot Air Solder Leveling), ENIG (Electroless Nickel Immersion Gold), or OSP (Organic Solderability Preservative) for solderability and corrosion resistance.<\/p>\n\n\n\n<p><strong>10. Testing<\/strong>: Perform electrical continuity tests, thermal cycling, and impedance checks to validate performance under high-current and high-temperature conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Choose_EBest_Circuit_Best_Technology_as_Thick_Copper_PCB_Manufacturer\"><\/span>Why Choose EBest Circuit (Best Technology) as Thick Copper PCB Manufacturer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Reasons why choose EBest Circuit (Best Technology) as your <strong><a href=\"https:\/\/www.bestpcbs.com\/blog\/2025\/07\/thick-copper-pcb-board-prototype-manufacturer\/\" title=\"\">thick copper PCB manufacturer<\/a><\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Proven Expertise in Thick Copper (4\u201320 oz\/ft\u00b2) Applications:<\/strong> Leverage specialized knowledge in high-power PCB design to avoid common pitfalls and ensure performance.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>One-Stop Solution from Design to Delivery:<\/strong> Streamlines project management by consolidating prototyping, fabrication, and assembly under one roof.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>48-Hour Rapid Prototyping Delivery:<\/strong> Accelerates product development cycles, enabling faster time-to-market and competitive edge in high-demand industries.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Certified Compliance (ISO 9001, UL, RoHS, \u00a0ISO 9001, IATF 16949\u00a0<\/strong>): Mitigates regulatory risks and ensures products meet global standards for safety and environmental compliance.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stringent Quality Control with 100% Inspection:<\/strong> Eliminates hidden defects, reduces rework costs, and ensures reliability in high-current\/thermal applications.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Transparent Pricing with No Hidden Fees:<\/strong> Predictable budgeting and cost savings through upfront pricing models tailored to thick copper PCB specifications.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Free DFM (Design for Manufacturability) Analysis<\/strong>: Optimizes PCB layouts to reduce material waste, lower production costs, and avoid late-stage design revisions.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>24\/7 Dedicated Engineer Support Team: <\/strong>Instant technical guidance for complex thick copper designs, troubleshooting, and process optimization.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/1-8.png\"><img decoding=\"async\" src=\"https:\/\/www.bestpcbs.com\/blog\/wp-content\/uploads\/2025\/07\/1-8.png\" alt=\"Why Choose EBest Circuit (Best Technology) as Thick Copper PCB Manufacturer?\" class=\"wp-image-10638\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Our_Thick_Copper_PCB_Capabilities\"><\/span>Our Thick Copper PCB Capabilities<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Base material<\/td><td>FR4\/Aluminum<\/td><\/tr><tr><td>Copper thickness<\/td><td>4 OZ~10 OZ<\/td><\/tr><tr><td>Extreme Heavy Copper<\/td><td>20~200 OZ<\/td><\/tr><tr><td>Outline<\/td><td>Routing, punching, V-Cut<\/td><\/tr><tr><td>Soldermask<\/td><td>White\/Black\/Blue\/Green\/Red Oil<\/td><\/tr><tr><td>Surface finishing<\/td><td>Immersion Gold, HASL, OSP<\/td><\/tr><tr><td>Max Panel size<\/td><td>580*480mm(22.8&#8243;*18.9&#8243;)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thick_Copper_PCB_Board_Prototype_Fast_Delivery\"><\/span>Thick Copper PCB Board Prototype Fast Delivery<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Standard Lead Time (Conventional Processes)\u200c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Single\/Double Layers\u200c: <\/strong>Delivery within \u200c3 business days\u200c (supports \u22641.5OZ copper thickness)<\/li>\n\n\n\n<li><strong>4-6 Layers\u200c: <\/strong>Completion in \u200c5 business days\u200c (supports \u22643OZ copper + resin plugging)<\/li>\n<\/ul>\n\n\n\n<p><strong>Expedited Service (Additional Cost Applies)\u200c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>48-Hour Rush\u200c: <\/strong>For \u22644-layer boards, copper \u22644OZ (file feasibility must be confirmed in advance)<\/li>\n\n\n\n<li><strong>72-Hour Priority\u200c:<\/strong> Covers 6-layer thick copper boards (including impedance control)<\/li>\n<\/ul>\n\n\n\n<p><strong>Extended Time for Special Processes\u200c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Extra-Thick Copper (\u22656OZ)\u200c:<\/strong> Standard lead time + \u200c1-2 days\u200c (requires extended plating time)<\/li>\n\n\n\n<li><strong>Hybrid Lamination (e.g., aluminum substrate)\u200c:<\/strong> Lead time increased by \u200c30%\u200c (quoted separately)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Get_A_Quote_for_Thick_Copper_PCB_Boards\"><\/span>How to Get A Quote for Thick Copper PCB Boards?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Here are essential files to submit your heavy copper PCB manufacturer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gerber Files\u200c: <\/strong>Provide complete PCB design files in standard Gerber format for fabrication.<\/li>\n\n\n\n<li>Bill of Materials (BOM)\u200c: Include a detailed BOM list with component specifications, quantities, and reference designators.<\/li>\n\n\n\n<li><strong>Assembly Drawings\u200c: <\/strong>Submit clear assembly diagrams or schematics to guide manufacturing.<\/li>\n\n\n\n<li><strong>Additional Specifications\u200c: <\/strong>Clearly state copper thickness (e.g., 3OZ, 4OZ or higher), layer count, and any special processes like resin plugging or impedance control.<\/li>\n\n\n\n<li><strong>Sample PCB or PCBA (Optional)\u200c:<\/strong> Sending a physical sample can help verify complex designs and improve quote accuracy.<\/li>\n<\/ul>\n\n\n\n<p>For customized quotes and expert support on thick copper boards, please contact \u200cEBest Circuit (Best Technology)\u200c directly. Submit your files via email for a response within hours: <strong><a href=\"mailto:sales@bestpcbs.com\">sales@bestpcbs.com<\/a><\/strong>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Looking for thick copper PCB solution? This guide explores its benefits, application, specifications, manufacturing advantages, manufacturing process.. EBest Circuit (Best Technology) Can Provide: Welcome to contact EBest Circuit (Best Technology): sales@bestpcbs.com. What Is Thick Copper PCB? Thick copper PCB, often termed heavy copper PCB, is a specialized printed circuit board featuring copper layers substantially thicker [&hellip;]<\/p>\n","protected":false},"author":33247,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[175,174,172],"tags":[1807,1808],"class_list":["post-10632","post","type-post","status-publish","format-standard","hentry","category-best-pcb","category-bestpcb","category-special-pcb","tag-thick-copper-pcb","tag-thick-copper-pcb-board"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Looking for thick copper PCB solution? 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