发明名称 FORGERY PREVENTING MATERIAL AND PRINTING BASE MATERIAL EQUIPPED WITH IT
摘要 <P>PROBLEM TO BE SOLVED: To provide a forgery preventing material (thread) incorporated in a printing base material and expressed from the opening parts of the surface and back of the printing base material as different patterns, and the printing base material equipped with it. <P>SOLUTION: The forgery preventing material is constituted by successively forming at least first and second metal thin film layers on a transparent film base material and a predetermined pattern is formed to either one of or both of the first and second metal thin film layers. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008119909(A) 申请公布日期 2008.05.29
申请号 JP20060304672 申请日期 2006.11.10
申请人 DAINIPPON PRINTING CO LTD 发明人 SAKAKIBARA MIKIHIKO
分类号 B32B15/08;B42D15/10;D21H21/42;G07D7/12;G09F3/02 主分类号 B32B15/08
代理机构 代理人
主权项
地址