Another option for using a CO2 laser for etching metals is to use a resist and acid etching method, see Laser removing resist for acid etching of metals?
Also, a product like Ceremark can be used to permanently mark metals with a laser.
Another option for using a CO2 laser for etching metals is to use a resist and acid etching method, see Laser removing resist for acid etching of metals?
Also, a product like Ceremark can be used to permanently mark metals with a laser.