发明公开
- 专利标题: DATA PROTECTION STRUCTURE
- 专利标题(中): 数据保护结构
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申请号: EP07733667.5申请日: 2007-05-09
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公开(公告)号: EP2018274A1公开(公告)日: 2009-01-28
- 发明人: JOHN, Drinkwater
- 申请人: Optaglio Limited
- 申请人地址: Meridian House, Greenwich Way, Andover Hants SP10 4DU GB
- 专利权人: Optaglio Limited
- 当前专利权人: Optaglio Limited
- 当前专利权人地址: Meridian House, Greenwich Way, Andover Hants SP10 4DU GB
- 代理机构: Gill, David Alan
- 优先权: GB0609261 20060510
- 国际公布: WO2007129123 20071115
- 主分类号: B41M3/00
- IPC分类号: B41M3/00 ; B41M7/00
摘要:
The present invention provides for a data protection device comprising an optically variable diffractive scratch-layered structure overlying data to be protected, wherein the device includes at least first and second opaque metallic layers separated by a flexible light-absorbing separation layer.
公开/授权文献
- EP2018274B1 DATA PROTECTION STRUCTURE 公开/授权日:2010-10-27
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