A PRECURSOR PLATE FOR THE MANUFACTURE OF INTANGLIO PRINTING PLATES FOR INTANGLIO PRINTING OF SHEETS OF SECURITY PAPERS AND A METHOD OF MANUFACTURING AN ENGRAVED PLATE

摘要

A method of manufacturing an engraved plate used in intaglio printing, said plate being engraved by a tool, for example a laser beam, characterised in that the engraving tool uses data from a depthmap, based on a three-dimensional raster image of the document to be printed.