发明名称 SECURITY ELEMENT AND SECURITY DOCUMENT
摘要 The invention relates to a security element (2) comprising a first region (30) which is transparent in transmitted light. The security element (2) comprises a substrate (21) which in the first region (30) has one or more transmissive diffraction structures which, when seen in transmitted light, show one or more optical security features.
申请公布号 CA2882777(A1) 申请公布日期 2014.03.06
申请号 CA20132882777 申请日期 2013.09.03
申请人 OVD KINEGRAM AG 发明人 TOMPKIN, WAYNE ROBERT;WALTER, HARALD;MADER, SEBASTIAN
分类号 B42D15/00;G02B5/18 主分类号 B42D15/00
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