exposed copper with no surface finish?
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djwidow420 1 week ago
hi, is it possible to have the copper exposed on a pcb with no surface finish (no HASL or ENIG), so  bare copper?
andyfierman 1 week ago
I suspect JLCPCB would be very reluctant to offer this even as a special request because it will corrode in no time. If you are worried about the additional thickness of plating compared to bare copper then ENIG is negligible.
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