发明名称 |
Security sheet containing protected security elements, and process for making the same. |
摘要 |
<p>Security sheet comprising at least one security element situated at a point of the surface (S) of the sheet, the security element (4) being coated with a protective layer (5). The security element 4 may comprise at least one metal surface reflecting or diffracting light, for example a hologram. Application to paper for banknotes. <IMAGE></p> |
申请公布号 |
EP0624688(A1) |
申请公布日期 |
1994.11.17 |
申请号 |
EP19940401014 |
申请日期 |
1994.05.09 |
申请人 |
ARJO WIGGINS S.A. |
发明人 |
DOUBLET, PIERRE;DOUESNEAU, YVES;MENEZ, JEAN-PAUL |
分类号 |
D21H21/42;G07F7/08;(IPC1-7):D21H21/42 |
主分类号 |
D21H21/42 |
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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