发明名称 Security device
摘要 A security device comprises a transparent, coloured element (2) in a first region of the device and in a surface of which a first optically variable effect generating relief structure (21) is formed. A reflection enhancing layer (30) extends over the first optically variable effect generating relief microstructure (21) and follows the contour of the relief, the reflection enhancing layer also being provided in a second region of the device laterally offset from the first region.
申请公布号 AU2011219611(A1) 申请公布日期 2012.09.06
申请号 AU20110219611 申请日期 2011.02.24
申请人 DE LA RUE INTERNATIONAL LIMITED 发明人 HOLMES, BRIAN WILLIAM
分类号 B42D15/00;B42D15/10;G07D7/00 主分类号 B42D15/00
代理机构 代理人
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