发明名称 |
Volume hologram comprising expansion agent layer or contraction agent layer for creating color patterns |
摘要 |
The invention concerns a security element in the form of a multi-layer film body having a volume hologram layer with two different items of optical information and a process for the production of such a security element.
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申请公布号 |
US8507154(B2) |
申请公布日期 |
2013.08.13 |
申请号 |
US200913124557 |
申请日期 |
2009.10.16 |
申请人 |
HANSEN ACHIM;TOMPKIN WAYNE ROBERT;BURKHARDT MARKUS;SCHARFENBERG MICHAEL;OVD KINEGRAM AG |
发明人 |
HANSEN ACHIM;TOMPKIN WAYNE ROBERT;BURKHARDT MARKUS;SCHARFENBERG MICHAEL |
分类号 |
G03H1/02 |
主分类号 |
G03H1/02 |
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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