A method for introducing a defined weakening line with a pulsed laser beam by material removal on a coating material.

摘要

The present invention relates to a method for introducing a defined weakening line by material removal on a coating material (20), which is a visible side (22) and one of the visible side (22) has opposite rear side (21), in which a pulsed laser beam (31) of a laser (30) via a mirror (41) and a scanning apparatus (12) on the rear side (21) of the coating material (20) and directed is guided along a path and one observation unit (11) is provided, which serves to monitor the weakening process, whereby the observation unit (11) is arranged in such a way that a of the observation unit (11) to be detected light (36, 37, 39) substantially in the beam path of the laser beam (31) via the scanning device (12) and the mirror (41) on the observation unit (11).