发明名称 |
SECURITY ELEMENT HAVING A TRANSPARENT IMAGE REGION |
摘要 |
The invention relates to a security element (12) for security papers, value documents and other data carriers, having an image region which reveals a predetermined multi-tonal motif (14) when a person looks through it. According to the invention, the security element (12) comprises a thin polymer substrate (20) having a thickness of 300 µm or less, in the image region the polymer substrate (20) contains a multi-step relief (22) having depressions in the shape of the predetermined multi-tonal motif (14), and the depressions of the relief (22) are filled with a filler material (24) having thickness-dependent optical properties. |
申请公布号 |
WO2011131295(A1) |
申请公布日期 |
2011.10.27 |
申请号 |
WO2011EP01728 |
申请日期 |
2011.04.07 |
申请人 |
GIESECKE & DEVRIENT GMBH;GERHARDT, THOMAS;BICHLMEIER, STEFAN |
发明人 |
GERHARDT, THOMAS;BICHLMEIER, STEFAN |
分类号 |
B42D15/00 |
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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