发明名称 SECURITY ELEMENT AND METHOD FOR PRODUCING THE SAME.
摘要 The invention relates to a security element (30) for securing valuables. Said element comprises at least one at least partial first layer (13) from a cholesteric liquid-crystalline material, an at least partial second layer (14) from a liquid-crystal material, and an at least partial additional layer (22) having a machine-readable feature that is at least partially covered by the first and second layer from the liquid-crystalline material.
申请公布号 MX2007001546(A) 申请公布日期 2008.03.04
申请号 MX20070001546 申请日期 2005.08.08
申请人 GIESECKE & DEVRIENT GMBH. 发明人 JURGEN RUCK;THEODOR BURCHARD;WINFRIED HOFFMULLER;THORSTEN PILLO;MANFRED MAIN;FRIEDRICH KRETSCHMAR
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