发明名称 |
SAFETY DOCUMENT AND PROCESS FOR PRODUCING THE SAME |
摘要 |
<p>The invention relates to a security document such as bank note, identity card or the like, with at least one multilayer security element. This security element comprises at least two layers of reaction lacquer between which diffraction structures, in particular holographic structures, exist in the form of a relief. A reflective layer is additionally disposed between the layers of lacquer.</p> |
申请公布号 |
CA2156301(A1) |
申请公布日期 |
1994.09.01 |
申请号 |
CA19942156301 |
申请日期 |
1994.02.14 |
申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
KAULE, WITTICH;GRAUVOGL, GREGOR |
分类号 |
B42D15/00;B32B38/04;B32B38/14;B41F19/06;B42D15/10;B44F1/12;(IPC1-7):B42D15/10 |
主分类号 |
B42D15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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