How to create a PCB with a K40 Laser cutter
Posted by Jim Morris on Thu Aug 30 09:35:20 -0700 2018
I have tried the various techniques for creating PCBs on a laser cutter (both a 3w led and K40 CO2). The issue was the paint would leave a residue on the PCB after being lasered, and removing it proved to be hard to impossible. Using the toothbrush approach it didn't touch it, and using IPA it took off the thinner traces too.
So I came up with an alternative.
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