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Results tagged with solder-mask
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user 38335
The traditionally green coating which protects copper on PCBs from oxidation and shorting due to solder. Use this tag for PCB design questions and soldering questions which require attention to the mask layer.
3
votes
Accepted
Missing soldermask on some pads of mcu
Notice that the images of your soldermask simply show large rectangles which span multiple pins. I'm assuming that this is accurate, although perhaps if you zoom in you would see that they are actuall …
- 17k
8
votes
Accepted
Optional feature in PCB layout of MMCX board edge connector. What's it for?
That is a rectangular piece of soldermask used as a "solder dam". It is used in cases where the microstrip ("rf trace") doesn't have a soldermask coating.
During assembly, solder paste is applied to …
- 17k