发明公开
EP2018274A1 DATA PROTECTION STRUCTURE 有权
数据保护结构

  • 专利标题: DATA PROTECTION STRUCTURE
  • 专利标题(中): 数据保护结构
  • 申请号: EP07733667.5
    申请日: 2007-05-09
  • 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
DATA PROTECTION STRUCTURE
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.
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