Patent ID: 7827912
Filing Date: 2010-11-09
Classification: B41C

Abstract:
1. A system for 3D engraving flexographic printing plates, comprising: a first group of two or more fiber coupled diode lasers each emitting radiation having substantially the same intensity wherein the ends of said fiber coupled diodes are arranged in an array; a first one or more optical elements coupled to the first group of one or more radiation sources for imaging the radiation emitted from the first group of one or more radiation sources onto a flexographic printing plate; a second group of two or more coupled diode lasers each emitting radiation having substantially the same intensity wherein the ends of said fiber coupled diodes are arranged in an array and said first group and said second group diode lasers emit radiation having same wavelength; and a second one or more optical elements coupled to the second group of two or more coupled diode lasers for imaging the radiation emitted from the second group of two or more coupled diode lasers onto the flexographic printing plate, wherein the intensity and spot size of the first group of two or more coupled diode lasers is different from the intensity and spot size of the second group of two or more coupled diode lasers, and wherein said first and second groups of coupled diode lasers operate simultaneously.