PCB etching on a fiber laser

[Aaron.F (Aaron)]

Josh is killing it in the PCB department!
I’ve split the post into this separate thread

PCB etching on a MOPA after Drilling/Milling with MillMage

I have had success with PCB etching but it has taken using a MOPA Galvo Fiber laser to really be able to etch and ablate the copper in a way that is consistent. This process uses both MillMage and LightBurn to do the full process of drilling, routing and removing the copper. [image] Laser Used: 50w JPT MOPA Galvo Line Settings: Speed: 750.00 mm/s Pass Count: 2 Power Max: 100% Frequency: 25khz Purpose: Create a cut line in the copper to separate the copper that will remain and copper that …