Heavy Copper PCB

Your Trusted Heavy Copper PCB Manufacturer

With years of expertise in the electronics industry, GCS has established a strong reputation in the manufacturing of heavy copper printed circuit boards. Our commitment to precision and reliability has enabled us to deliver PCB solutions that excel in demanding applications. We have successfully supplied heavy copper PCBs to a diverse range of industries, including power electronics, automotive, aerospace, and renewable energy.

Our seasoned team, state-of-the-art facilities, and stringent quality control measures ensure that every heavy copper PCB we produce meets the highest standards of performance and durability. Whether it’s high-current applications or critical electronic systems, we take pride in our experience and capability to provide robust heavy copper PCBs tailored to the unique needs of our valued customers.

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Heavy Copper PCB

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Heavy Copper PCB Capabilities

Item (Mass Production) 2023
Mass Advanced
Product structure Layer count 16L 18L 18L
Board thickness 5.0mm 5.0mm 5.0mm
Board thickness Tolerance +/-10% +/-8% +/-8%
Max finished copper thickness Inner 6OZ 6OZ 6OZ
Outer 4OZ 4OZ 6OZ
Min dielectric thickness Chip board 4mil 3mil 3mil
PP 4mil 4mil 3mil
Trace layout Inner line W/S 4OZ 9/9mil 9/9mil 8/8mil
5OZ 10/10mil 10/10mil 8/8mil
6OZ 12/12mil 12/12mil 10/10mil
Outer line W/S 4OZ 9/8mil 9/8mil 8/8mil
5OZ 10/10mil 10/10mil 10/10mil
6OZ 12/12mil 12/12mil 12/12mil
IC pitch 3OZ 0.5mm 0.5mm 0.4mm
4OZ >0.5mm 0.5mm 0.5mm
Min Drill bit diameter 0.3mm 0.25mm 0.25mm
Special technology Part heavy copper on hole wall mechanical blind/buried via, POFV board edge plating HDI, Epoxy non-conductive and conductive via fill.
Laminate Middle and high TG Middle and high TG High thermal conductivity material
FR-4 FR-4
Remark: The trace layout is not applicable to copper thickness over 6OZ

Heavy Copper Boards applications

Heavy copper boards, also known as thick copper or copper-based printed circuit boards (PCBs), have a unique set of properties and advantages that make them suitable for various applications where standard PCBs may not be sufficient.

  • Power Electronics: Heavy copper PCBs are commonly used in power electronic devices, such as inverters, motor drives, and power supplies, due to their ability to handle high currents and resist thermal stress. The thick copper layers improve the boards' current-carrying capacity and reduce power losses.
  • Automotive Electronics: In the automotive industry, heavy copper PCBs are used for applications like electric vehicle (EV) charging stations, battery management systems (BMS), and high-current systems. These boards can withstand the demanding environmental conditions and power requirements of automotive electronics.
  • Aerospace: Heavy copper PCBs are suitable for aerospace applications where reliability and durability are critical. They are used in radar systems, avionics, satellite communications.
  • High-Current Industrial Equipment: Industrial machinery, particularly those requiring high current-carrying capacity, often use heavy copper PCBs. These boards are found in motor drives, manufacturing equipment, and robotics.
  • Renewable Energy: Heavy copper PCBs are essential in renewable energy systems, including solar inverters and wind power converters. They enable efficient energy conversion and can handle the high power loads generated by these systems.
  • LED Lighting: LED drivers and lighting systems benefit from heavy copper boards, which can efficiently dissipate heat and provide a stable electrical connection. This is crucial for maintaining the performance and longevity of LED fixtures.
  • Telecommunications: Telecommunications infrastructure relies on heavy copper PCBs for high-frequency, high-power applications like base station equipment, RF amplifiers, and signal processing units.
  • Medical Device: In medical equipment, where reliability is paramount, heavy copper PCBs are used in devices like MRI machines, X-ray systems, and critical patient monitoring systems.
  • High-Current Transformers: Heavy copper PCBs can be used in the construction of high-current transformers, which are critical in various electrical systems for power distribution and voltage regulation.
  • Heat Sinks: Heavy copper PCBs can be utilized as integral parts of heat sinks or heat-dissipating structures in electronic devices where efficient thermal management is essential. Heavy copper boards are designed to withstand elevated temperatures and high current densities, making them suitable for applications where durability, reliability, and thermal management are critical. Their use is driven by the need for improved performance, extended lifespan, and high power handling capabilities in electronic systems.
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