Hello--
This gentleman is using a 25W laser cutter to remove flat-black spray
paint from
unetched copperclad board:
http://www.youtube.com/watch?v=OTGZcY7WyYI...He's using 50 percent power setting, 100 percent speed and two passes to
zap the paint. There's not much detail here, though.
73--
Brad AA1IP