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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