专利名称：Laser markable security element发明人：SCHIFFMANN, PETER,KARCHER, LARS申请号：EP07003504.3申请日：20070220公开号：EP1826728A3公开日：20080903
专利附图：
摘要：The features has a laser-marked marking substance with core-covering-particles(20,30). One of the material of the core (22,32) and covering (24) absorbs the radiation ofthe marking laser and the other materials of core and covering does not absorb theradiation of the marking laser. Independent claims are also included for the following: (1)
a method for manufacturing of a laser-marked safety features (2) a safety paper for themanufacturing of protective cover or value document (3) a data carrier e.g. brandedarticles, value documents.
申请人：GIESECKE & DEVRIENT GMBH
地址：Prinzregentenstrasse 159 81677 München DE
国籍：DE
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