发明名称 Paper of value and a method of producing it
摘要 The present invention relates to a paper of value having an embedded security element, preferably an optically variable element in the form of hologram, diffraction or interference structures applied to the paper surface, and to a method for producing such a paper of value. The paper of value is characterized by the fact that the optically variable element is embedded in the paper of value with the paper surface forming a plane that is even with the surface of the optically variable element.
申请公布号 US5567276(A) 申请公布日期 1996.10.22
申请号 US19940278114 申请日期 1994.07.20
申请人 GAO GESELLSCHAFT FUER AUTOMATION UND ORGANISATION MBH 发明人 BOEHM, MICHAEL;KAULE, WITTICH
分类号 B42D15/00;D21H21/42;(IPC1-7):D21D3/00;D21H5/10 主分类号 B42D15/00
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