Verfahren und Vorrichtung zur regelbaren Veränderung der Punktgröße bei der Laser-Innengravur

摘要

Process for changing the point sizes during laser engraving comprises applying energy in the form of a focused laser beam to the workpiece transparent for a laser. For each laser type, the effective pulse length is regulated beginning with the time for the ignition of the plasma up to the plasma effect has ended in the material at each point of the workpiece depending on the required point sizes. AN Independent claim is also included for a device for carrying out the process comprising a x, y -galvoscanner and a motorized z-table.