发明名称 |
Security document with luminescent transition metal doping |
摘要 |
The invention relates to a printed document of value having at least one authenticity feature in the form of a luminescent substance based on doped host lattices. The host lattice has a strong crystal field and is doped with at least one chromophore with the electron configuration (3d)2. |
申请公布号 |
US8663820(B2) |
申请公布日期 |
2014.03.04 |
申请号 |
US20020471060 |
申请日期 |
2002.03.05 |
申请人 |
GIERING THOMAS;HOPPE RAINER;STAHR FRITZ;GIESECKE & DEVRIENT GMBH |
发明人 |
GIERING THOMAS;HOPPE RAINER;STAHR FRITZ |
分类号 |
B32B9/00;B41M3/14;B42D15/00;B42D15/10;G07D7/12 |
主分类号 |
B32B9/00 |
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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