3oz Rigid-Flex PCB for Electric Vehicle Power Supply
With the fast development of EV, as a Printed Circuit Board Manufacturer, we always fabricate this kind Heavy Copper Rigid-Flex PCB for electric vehicle power supply. The thick copper PCB allows the power supply to bear high currency and high power. The advanced feature of Rigid-flex circuit board is that you can bend and fix it in the product or device. A vehicle is considered green when it’s more environmentally friendly than the traditional petroleum combustion engine, in which includes any electric vehicle (EV) like, Hybrid Electric Vehicle (HEV), Battery Electric Vehicle (BEV) and Plug in Hybrid Electric Vehicle (PHEV). Electric Vehicle is widely applied for bus, car and mining.
In Rigid-Flex printed circuit board and flexible circuits, PCB designers always require stiffener to provide support. In this board, we use ITEQ IT-180A as the stiffener.
What’s the thickness of 3oz copper? It is 4.13mil (105?m). For example, the common single-sided flex PCB thickness is always 5mil (127?m), but the copper of this PCB is 4.13mil, which is not common in FPC application.
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Heavy copper on rigid PCB, like FR4 PCB, is very common. But when it comes to the flexible circuits, it’s really hard to processing. This is why many PCB provider can‘t meet the thick copper rigid-flex PCB requirements. The thickness heavy copper on FPC board we can reach is 4oz.
After some experiments conducted by our process engineers, we are able to fabricate Heavy Copper Rigid-Flex PCB in cost-saving way. The thickest copper on FR4 Rigid PCB we can reach is 10oz (13.7mil/350?m).