Selective plating hard gold pcb is actually an electroplating alloy (that is, plated with Au and other metals), so the hardness will be harder. It is suitable for use in places that require force and friction, and used as the edge contact point of the circuit board (commonly known as ” Gold finger”. Hitech, a profesional electroplating hard gold pcb factory in China.
Technical Parameters
Selective plating hard gold PCB
Material: FR-4 Tg135
PCB Size: 158.75*118.6mm
Board thickness: 1.6mm
Surface finished: HAL LF
Copper thickness: 1/1 Oz
Min through hole: 0.2mm
Consumer Electronics
https://hitechcircuits.com/product/selective-plating-hard-gold-pcb/
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