| 发明名称 |
OPTICALLY VARIABLE SECURITY DEVICES |
| 摘要 |
An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink. |
| 申请公布号 |
US2012075701(A1) |
申请公布日期 |
2012.03.29 |
| 申请号 |
US201113250480 |
申请日期 |
2011.09.30 |
| 申请人 |
PHILLIPS ROGER W.;MAYER THOMAS;LAMAR SCOTT;TAGUER ELENA |
发明人 |
PHILLIPS ROGER W.;MAYER THOMAS;LAMAR SCOTT;TAGUER ELENA |
| 分类号 |
G02B5/18;B32B37/02;B32B37/06;B32B37/10;B32B37/12;B32B37/14 |
主分类号 |
G02B5/18 |
| 代理机构 |
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