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Thick Copper PCB

Thick Copper PCB

Engineered for High Current & Thermal ManagementUp to 6 oz Copper | Heavy-Duty Performance | FastTurnaround | RoHS & UL Certified

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Thick Copper PCB

Features extra-thick copper layers (typically >2oz) for high current-carrying capacity

Ideal for power electronics, motor controllers, and industrial equipment

Enhances thermal conductivity and improves heat dissipation

Increases mechanical strength for high-reliability applications

Supports complex high-power designs while reducing the need for additional cooling

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Process Capabilities

FeatureTechnical specification
Number of layers2-40 Layers
MaterialsFR-4 standard, FR-4 high performance, FR-4 halogen-free
Copper weights (finished)2oz – 6 oz
PCB Thickness0.40 mm – 6.0 mm
Max. dimensions620 mm x 720 mm
Min. track and gap0.075 mm / 0.075 mm
Min. mechanical drill0.15 mm
Surface finishes availableHASL (SnPb), LF HASL (SnNiCu), OSP, ENIG, Immersion Tin, Immersion Silver, Electrolytic gold, Gold fingers
Why Choose SprintPCB for Thick copper PCB?
SprintPCB specializes in the manufacturing of thick copper PCBs with copper weights up to 6 oz, ideal for high-current,power-conversion, and thermal management applications. Our advanced etching, plating, and lamination processes ensure superior current-carryingcapacity, heat dissipation, and long-term reliability in the most demanding environments.
From Prototype to Production – We Support You All the Way

  • Engineering Support

  • Prototyping Services

  • Fast Turnaround

  • Seamless Transition to Mass Production

PCB Manufacturing Equipment
SprintPCB operate with most advance equipment in the industry to provide efficient production and high quality products with value added to our partners

Ready to Start Your Thick copper PCB Project?

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FAQ about Thick copper PCB

Are there any design guidelines for thick copper PCBs?
Yes. Due to the increased copper thickness, trace width, spacing, and via plating need to be carefully designed. Our engineering team provides DFM (Design for Manufacturability) support to help you optimize your layout for thick copper requirements.
Can SprintPCB produce multilayer thick copper PCBs?
Yes. SprintPCB supports multilayer thick copper PCBs, combining heavy copper with advanced lamination techniques to ensure signal integrity and thermal management in complex designs.
What are the advantages of thick copper PCBs?
They offer high current-carrying capacity, improved heat dissipation, mechanical strength, and extended product life in demanding environments.
What are the main applications of thick copper PCBs?
Thick copper PCBs are widely used in power supply modules, automotive electronics, renewable energy systems, industrial control, and high-power converters, where high current and efficient heat dissipation are essential.
What is considered a thick copper PCB?
A thick copper PCB typically refers to boards with copper thickness of 2 oz (70μm) or more per layer. SprintPCB can manufacture up to 6 oz copper for heavy-duty applications.
What quality issues should I watch for with thick copper PCBs?

Pay attention to trace width, layer adhesion, and heat management. Work with an experienced manufacturer to avoid defects like uneven plating.

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