COLORED MARKING OF PLASTIC SURFACES BY MEANS OF LASER RADIATION

摘要

of the disclosure Colored marking of plastic surfaces by means of Laser radiation A process for marking plastics, in which a carrier material which is provided with a sublimable dye is pressed against the plastic to be marked which comprises providing the plastic surface with colored symbols by means of a laser which emits in the visible wavelength range (wavelength 532 nm), giving abrasionresistant colored symbols of high resolution.