Mini Fiber Laser Marking Machine, Portable Laser Engraver for ...
3.2.1. Mini laser marking and engraving on stainless steel. To mark on stainless steel, the mini laser marking machine is used to anneal on the surface. Laser annealing is the marking process optimized for stainless steel. The mini laser marking machine provides permanent marking without affecting the protective layer (i.e. chromium oxide).