Patent ID: 6806018
Filing Date: 2004-10-19
Classification: B41C,B41N,G03F,Y10S

Abstract:
A method of making a digitally imaged relief-printing plate comprising the steps of:a) extruding a collapsible UV-curable layer comprising (i) a UV-curable elastonier, (ii) an infrared dye, and (iii) microspheres, between a cover sheet and a backing sheet to form a printing plate; b) exposing the collapsible UV-curable layer through the backing sheet to establish a floor layer; c) removing the cover sheet from the printing plate; d) using a laser to collapse and melt portions of the collapsible UV-curable layer to form a relief image on the printing place; and e) UV-curing said UV-curable layer by face exposure to crosslink and cure said formed relief image.