| 发明名称 |
Security Element and Security Document |
| 摘要 |
The invention relates to a security element (2) with a first area (30) that is transparent in transmitted light. The security element (2) has a substrate (21) which has, in the first area (30), one or more transmissive diffraction structures which display one or more optical security features when observed in transmitted light. |
| 申请公布号 |
US2015224809(A1) |
申请公布日期 |
2015.08.13 |
| 申请号 |
US201314424678 |
申请日期 |
2013.09.03 |
| 申请人 |
OVD Kinegram AG |
发明人 |
Tompkin Wayne Robert;Walter Harald;Mader Sebastian |
| 分类号 |
B42D25/29 |
主分类号 |
B42D25/29 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A security element, in particular in the form of a multi-layer film body, with a first area that is transparent in transmitted light, wherein the security element has a substrate which has, in the first area, one or more transmissive diffraction structures which display one or more optical security features when observed in transmitted light. |
| 地址 |
Zug CH |
