发明申请
- 专利标题: OPTICALLY VARIABLE SECURITY DEVICES
- 专利标题(中): 光学可变的安全设备
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申请号: US13250480申请日: 2011-09-30
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公开(公告)号: US20120075701A1公开(公告)日: 2012-03-29
- 发明人: Roger W. Phillips , Thomas Mayer , Scott Lamar , Elena Taguer
- 申请人: Roger W. Phillips , Thomas Mayer , Scott Lamar , Elena Taguer
- 主分类号: G02B5/18
- IPC分类号: G02B5/18 ; B32B37/14 ; B32B37/10 ; B32B37/12 ; B32B37/02 ; B32B37/06
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.
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