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6-layer thick copper power supply PCB

6-layer thick copper power supply PCB


Well Circuits' 6-layer thick copper power supply FLEX PCB is engineered for high-current, high-density applications requiring both robust power delivery and dynamic flexibility. Manufactured in our ISO 9001-certified facility, this advanced flexible printed circuit board (FPC) is ideal for engineers and procurement managers seeking reliable, space-saving solutions in demanding environments. Its thick copper layers ensure efficient thermal management and minimal voltage drop, making it perfect for critical power distribution in compact designs across consumer, industrial, and automotive sectors.

Key Specifications

Specification Value/Range Notes
Layer Count 6 Layers Optimized for complex power and signal integration.
Base Material Polyimide (PI) High thermal stability, excellent flexibility, and chemical resistance.
Copper Thickness 2 oz (70 µm) to 6 oz (210 µm) per layer Customizable to support high current carrying capacity and superior thermal dissipation.
Minimum Trace/Space 3 mil / 3 mil (0.075 mm) Standard capability; advanced designs available down to 2 mil / 2 mil.
Minimum Drill Size 6 mil (0.15 mm) Mechanical drills; laser drill options available for microvias.
Finished Board Thickness 0.2 mm to 0.6 mm (flexible region) Varies based on layer count, copper weight, and specific design requirements.
Flexural Endurance > 200,000 cycles (dynamic flex) Performance dependent on design, bend radius, and material selection; suitable for static and dynamic applications.
Surface Finish ENIG (Electroless Nickel Immersion Gold), OSP, Immersion Silver Standard options for reliable solderability and environmental protection.
Solder Mask Type Flexible Polyimide or Liquid Photoimageable (LPI) Available in Green, Black, White, Yellow, and Blue.
Silkscreen White, Black, Yellow Non-conductive epoxy ink for component legends and markings.
Impedance Control Yes (±10% tolerance) Critical for maintaining signal integrity in high-speed and power-sensitive designs.
IPC Standards IPC Class 2 or Class 3 Complies with IPC-6012 (Qualification and Performance Specification for Flexible Printed Boards) and IPC-A-610 (Acceptability of Electronic Assemblies). Specify at order.

Applications

  • Electric Vehicle (EV) Battery Management Systems (BMS): Ideal for distributing high currents and signals while accommodating vibration and tight space constraints within battery packs.
  • High-Power LED Lighting Modules: Efficiently manages heat and power in compact, flexible arrays for automotive, architectural, and industrial lighting.
  • Industrial Robotics & Automation: Provides reliable power transmission and data lines in articulated and moving parts, ensuring durability and consistent performance.
  • Medical Imaging Equipment: Delivers stable power to sensitive components in devices that require flexibility, miniaturization, and high reliability for diagnostic accuracy.
  • Aerospace & Defense Power Modules: Robust power distribution in systems demanding high reliability, resistance to harsh environments, and weight optimization.
  • Wearable Technology: Powers high-performance sensors, displays, and processors in devices that conform to body contours, requiring both flexibility and significant current draw.

Why Choose WellCircuits?

  • IPC Class 2 & 3 Compliance: All our 6-layer thick copper flex PCBs adhere strictly to IPC-6012 (Qualification and Performance Specification for Flexible Printed Boards) and IPC-A-610 (Acceptability of Electronic Assemblies), ensuring the highest quality and reliability for your critical applications.
  • Advanced Thick Copper Fabrication: Specializing in heavy copper flex boards, we utilize advanced manufacturing techniques to achieve superior current carrying capacity and thermal performance, crucial for power supply designs.
  • Automotive Grade Reliability (AEC-Q Compliant): For automotive applications, our manufacturing processes are capable of meeting AEC-Q100 (Integrated Circuits) and AEC-Q200 (Passive Components) standards for stress testing, ensuring robustness in demanding environments.
  • Rigorous Quality Assurance: Every board undergoes comprehensive inspection, including Automated Optical Inspection (AOI) and 100% electrical testing, to guarantee defect-free delivery. Our ISO 9001:2015 certification underpins our commitment to continuous quality improvement.
  • Design for Manufacturability (DFM) Support: Our expert engineering team provides DFM feedback early in your design cycle, optimizing your 6-layer thick copper flex PCB for cost-effectiveness, performance, and manufacturability, ensuring your project's success.

Pricing & Lead Time


Due to the custom nature of 6-layer thick copper power supply flex PCBs, pricing is project-specific and depends on design complexity, material choices, and order volume. We offer competitive rates and transparent quoting. For typical lead times, samples are generally available within 3-5 working days, with mass production runs completed in 5-15 working days, depending on complexity and quantity. Please contact us for a detailed quote tailored to your specific requirements.

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