Solder mask is an essential process in PCB manufacturing. When you see a colored layer on the PCB, that is the solder mask. Solder mask is a negative output, so after the shape of the solder resist la...
PCBWay
Mar 20,2024
300 views
Unlike the copper layer, the solder mask layer is negative. This means a solid object in the layer corresponds to a hole, or opening in the solder mask layer (an area without solder mask covering). Th...
Eric
Dec 06,2017
5183 views
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