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PCB Solder Mask: Complete Guide Introduction If you’ve ever looked closely at a printed circuit board (PCB), you may have asked yourself what the colorful layer on top of the PCB is — that would be the solder mask layer. This is a solder mask, a protective coating (typically green, but it could be any...

Lead-Free PCB Assembly & RoHS Introduction The necessity for lead free PCB assembly is more critical now than ever with the global adoption of more stringent environmental standards in electronics manufacturing. Global regulations and consumer pressure have forced the traditional tin-lead solder...