Prepare the laser type and power for PCB engraving
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Laser
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2024-10-14
C
Marshall
2024-10-15It can also be done with a low-power laser, I used 2.5W. The only problem is that no matter how persistent you are, the paint will leave a layer of residue, which can cause problems when using acid. Last time I thought I cleaned it with a short bristled brush before getting sour, but I may need to be more patient with the acid.
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