发明名称 Security element with thin-layer element
摘要 The invention relates to a security element for security papers, documents of value and the like having a thin-layer element (12) with color shift effect, which has a reflection layer (14), an absorber layer (18) and a spacer layer (16) disposed between reflection layer (14) and absorber layer (18). According to the invention the spacer layer (16) is formed by a printed layer having dispersion particles (20) with monomodal or oligomodal size distribution.
申请公布号 US7923097(B2) 申请公布日期 2011.04.12
申请号 US20040568063 申请日期 2004.08.09
申请人 GIESECKE & DEVRIENT GMBH 发明人 HEIM MANFRED;LIEBLER RALF;KROMBHOLZ MARKUS
分类号 B32B5/16;B05D3/02;B32B7/00;B41M3/14;B42D15/00;B44F1/12;C09D11/02 主分类号 B32B5/16
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