发明名称 OPTICALLY VARIABLE ELEMENT COMPRISING A PARTIALLY TRANSPARENT ELEMENT
摘要 An optically variable element, in particular an optically variable safeguard element for safeguarding banknotes, credit cards and the like, and a security product and a foil, in particular an embossing foil or a laminating foil, having such an optically variable element. The optically variable element has a thin film for producing color shifts by means of an interference and/or a reflective layer. The optically variable element further has a transparent window and the thin film and/or the reflective layer is respectively in the form of a partial element, namely a partial thin film element or a partial reflective element, wherein the partial element or elements surround the surface region of the transparent window.
申请公布号 AU2003222821(A1) 申请公布日期 2003.11.11
申请号 AU20030222821 申请日期 2003.04.17
申请人 NOT GIVEN 发明人 HEINRICH WILD;LUDWIG BREHM
分类号 B42D25/21;B41M3/14;G02B5/18;G02B5/32;G07D7/12;(IPC1-7):B42D15/10 主分类号 B42D25/21
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