发明名称 SAFETY DOCUMENT AND PROCESS FOR PRODUCING THE SAME
摘要 <p>A safety document (1), such as a bank note, an identity card of the like, has at least one multilayered safety element (9). This safety element (9) consists of at least two composite lacquer layers (2, 4, 20, 21), between which are arranged diffraction structures, in particular holographic structures, in the form of a relief. In addition, a reflection layer (3) is arranged between the lacquer layers (2, 4, 20, 21).</p>
申请公布号 WO9419201(A1) 申请公布日期 1994.09.01
申请号 WO1994EP00417 申请日期 1994.02.14
申请人 GIESECKE & DEVRIENT GMBH;KAULE, WITTICH;GRAUVOGL, GREGOR 发明人 KAULE, WITTICH;GRAUVOGL, GREGOR
分类号 B42D15/00;B32B38/04;B32B38/14;B41F19/06;B42D15/10;B44F1/12;(IPC1-7):B42D15/10 主分类号 B42D15/00
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