Exterior


The quality of PCB exterior include the solder mask, the silkscreen, the surface finish…the main requirement of PCB exterior is that the solder mask and silkscreen color should bright and full, no scratches on the board surface and have neat and clear outline, the surface of the copper after surface finish should complete and flat.

LocoPCB solder mask quality assurance

LocoPCB silkscreen quality assurance



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