| 发明名称 |
Security element with features which can be recognised under a specific viewing angle |
| 摘要 |
The safety marker is optical invisible when viewed from a certain angle. The optical invisible markers are formed by two or more layers in the register. One or more of the layers in the register may be separated by spacing layers. The layers in the register may consist of an opaque ink or an opaque lacquer. |
| 申请公布号 |
EP1580025(B1) |
申请公布日期 |
2015.10.14 |
| 申请号 |
EP20050004983 |
申请日期 |
2005.03.08 |
| 申请人 |
HUECK FOLIEN GES.M.B.H |
发明人 |
KASTNER, FRIEDRICH, DR.;WAGNER, EVELINE, DIPL.-ING. (FH);MÜLLER, MATTHIAS |
| 分类号 |
B42D25/351;B42D15/00 |
主分类号 |
B42D25/351 |
| 代理机构 |
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代理人 |
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