发明名称 MEHRSCHICHTENKÖRPER, INSBESONDERE MEHRSCHICHTENFOLIE SOWIE VERFAHREN ZUR ERHÖHUNG DER FÄLSCHUNGSSICHERHEIT EINES MEHRSCHICHTENKÖRPERS
摘要 Described is a laminate body, in particular a laminate foil, comprising a laser-sensitive layer and an identification element, for example a diffraction and/or hologram structure, a reflection layer, a printed image or the like, which is provided in a second layer and/or in the laser-sensitive layer, wherein the laser-sensitive layer has a marking produced by laser action, which is positioned in accurate register relationship relative to the identification element In addition the subject of the invention is a method of enhancing the forgery-proof nature of such a laminate body in which the laminate body is irradiated by means of a laser so that produced in the laser-sensitive layer is a laser-induced marking positioned in accurate register relationship with the position of the identification element.
申请公布号 AT277779(T) 申请公布日期 2004.10.15
申请号 AT20010992647T 申请日期 2001.11.02
申请人 LEONHARD KURZ GMBH & CO. KG 发明人 LUTZ, NORBERT;ZINNER, GERHARD
分类号 B32B7/02;B41M3/14;B41M5/24;B41M5/26;B41M5/34;B42D15/10 主分类号 B32B7/02
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