The toner is transferred to the brass using an office laminator, and the paper removed with gentle rubbing before etching. For the other two candidates he uses a laser engraver to remove a mask of ...
The laser won’t cut into the hard metal of the scissors ... You can buy a commercial marking solution called CerMark Black, but you probably already have mustard. If you are super cheap ...
Laser Etching,Metal Organic Chemical Vapor Deposition,Power Conversion Efficiency,Active Region,Considerable Improvement,Current Distribution,Device Performance,Electrode,Etching Depth,Fabrication ...