In this article[1], black spray paint is sprayed on the copper board. And unneeded area is burned out by laser.
- Is it possible to apply this way with MakerBlock XY Plotter V2.0[1]?
- Is it possible to burn Phenol Board for making the equivalent of a silkscreen[2]?
[1] http://makezine.com/2007/01/22/how-to-use-a-laser-to-etc/
[2] http://blog.erikdebruijn.nl/site/uploads/Milling_a_PCB-1-laser.jpg