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Contact: GreensTone
Company: GreensTone (Shenzhen) Electronics Co., Limited
4F B5 XuJingChang Industry Zone HaoYe Rd. No.39, XinHe Street, FuYong District,Shenzhen,China
Shenzhen 518103
Phone: 755-23215983
E-Mail: Send Inquiry NEW MEMBER
Date/Time:  4/28/23 8:57 GMT

Heavy Copper PCB

PCBs with a copper thickness of more than 70um are called thick copper PCBs,
sometimes also called thick copper PCBs. Copper thickness typically varies from
105 to 400 µm. The thicker the copper, the higher the power dissipation of the
board. These thick copper plates are used for high current output and improved
thermal management. Thick copper makes it possible to create boards with cross-
sections for high current loads, which also facilitates heat dissipation.
Greenstone is one of the China heavy copper pcb manufacturers which can provide
the most professional products and services.

Advantages of Thick Copper PCB
Thick copper PCB is widely used in

various household appliances

high-tech products



oth , er electronic equipment.

The application of china heavy copper pcb makes the core component of
electronic equipment products-circuit boards have a longer service life, and at
the same time it is very helpful to the size reduction of electronic equipment.

Greenstone Heavy Copper PCB Manufacturing Capabilities
Feature Capability
Material FR-4 Standard Tg 140°C, FR4-High Tg 170°C
Min. Track/Spacing For External layers:
4oz Cu 10mil/13mil,5oz Cu 12mil/15mil,6oz Cu 15mil/15mil,
For Internal layers:
4oz Cu 8mil/8mil,5oz Cu 10mil/10mil,6oz Cu 12mil/12mil
Min. Hole Size 0.15 ~ 0.3mm
Max Outer Layer Copper Weight (Finished) 8oz
Board Thickness 0.6-6mm
Surface Finishing HASL lead free, Immersion Silver, Immersion gold, OSP,
Hard Gold.
Solder Mask Green, Red, Yellow, Matte Black, Matte green, Blue, White,
Silkscreen White, Black
Via Process Tenting Vias, Plugged Vias, Vias not covered
Testing Fly Probe Testing, fixture test and A.O.I. testing
Build time 5-15 working days
Lead time 3-5 working days

As a contract electronics manufacturing factory, we can offer kinds of related
products for sale, if you have needs, please contact us.

More kinds of circuit board assembly, please visit our website.
Heavy Copper PCB
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SOURCE: Import-Export Bulletin Board (
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