Method of manufacturing an engraved plate
AssigneeKBA-Giori S.A.
InventorsFausto Giori, Dirk Dauw, Jacques Perrier, Laurent Mathys
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Abstract
A method of manufacturing an engraved plate used in intaglio printing, said plate being engraved by a tool, for example a laser beam, characterized in that the engraving tool uses data from a depth-map, based on a three-dimensional raster image of the document to be printed.
Claims9
A precursor plate for the manufacture of intaglio printing plates for intaglio printing of sheets of security papers, wherein said precursor plate comprises a laser-engravable polymer layer within which engravings of various depths and shapes are to be directly engraved, said polymer layer being KAPTON, a polyimide containing dispersed carbon black material.
Use of a precursor plate for the manufacture by laser engraving of an engraved plate for intaglio printing of sheets of security wherein said precursor plate comprises a laser-engravable polymer layer within which engravings of various depths and shapes are to be directly engraved, said polymer layer being KAPTON, a polyimide containing dispersed carbon black material.
Dependencies are inferred from the claim text.