Method and apparatus for marking glass with a laser

摘要

In an apparatus and a method for marking glass with a laser, the glass is first brought to a temperature above the transformation temperature of the glass. The glass is then acted upon by a laser pulse which produces a mark on the surface of the glass. The peak power of the laser pulse is preferably selected so that it is merely a thermal interaction with the glass surface which occurs. This has the advantage that the material properties of the marked glass remain unchanged compared with the unmarked product.