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Fixing PCB Mask
MUFF WIGGLER Forum Index -> Music Tech DIY  
Author Fixing PCB Mask
Soldering with little sleep last night I managed to rough up the PCB mask on this power header. Was curious about options and if PCB mask pen would be a good solution for fixing it:

You don't really need to fix solder mask. The board will work fine without it. Just clean up the soldering and make sure you don't have any solder bridges causing shorts.
I don't know of a "PCB mask pen" - do you mean PCB resist pen, such as would be used to hand-draw a board before etching it? If so, I doubt that will be very helpful because it's designed to resist etching chemicals, not heat.

As CLee said, you probably don't need to repair this. Just be careful not to create solder bridges that short out your power supply when you re-do the soldering. If that is what it looks like, a Eurorack power header, then the centre six pins are all meant to be shorted together anyway, as are the pairs of pins at either end, so as long as you don't create a solder bridge between those groups, you don't need to worry about bridges within a group.

I have occasionally fixed up tiny scratches in a solder mask using a same-colour Sharpie marker, but that's just for cosmetic purposes. Nail polish might also be worth a try. But neither will really hold up to soldering heat.
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