METHOD FOR PERMANENTLY APPLYING A GRAYSCALE IMAGE TO A MAT SURFACE

摘要

The invention relates to a method for permanently applying a grayscale image (1) to a mat surface that can be polished by means of laser radiation. According to said method, image data of the grayscale image (1) encompassing an association of gray scales with pixels of the image are provided. A laser beam (4) of a pulsed laser is guided across the surface (5) for processing purposes in adjacent or partly overlapping tracks (7) while processing parameters are modulated based on the image data in such a way that different gray scales of the pixels are transformed into different degrees of gloss of the surface (5) by smoothing the surface (5) in a locally different manner. The inventive method makes it possible to polish high-resolution grayscale images into the surfaces of metallic workpieces.