marking process on the surface of a mechanical part by a predefined graphic representation visible to the naked eye

摘要

The invention relates to a process of marking the surface of a mechanical part by a predefined graphic representation visible to the naked eye. by means of a laser source, a single laser pulse on an outer surface of a part to be marked interposed between the laser source and the outer surface of a mask part having a predefined graphic representation, the laser pulse having a surface power of at least 20 mw / cm2 and a duration less than or equal to 100 ns.