发明名称 LAYERED BODY, ADHESIVE LABEL, RECORDING MEDIUM, ARTICLE WITH LABEL AND DISCRIMINATION METHOD
摘要 <p><P>PROBLEM TO BE SOLVED: To make the forgery of a label used for discrimination between a genuine product and a non-genuine product hard. <P>SOLUTION: The layered body 10 for discrimination comprises: a reflection type polarization layer 11 made by alternately laminating a first light transmissive layer and a second light transmissive layer having a different optical characteristic from that of the first light transmissive layer each of which is birefringent, and including first and second parts arranged side by side in the in-plain direction; and a birefringent layer 12 which is located on the front side of the polarization layer 11 and faces the polarization layer 11 only on a position of the first part. <P>COPYRIGHT: (C)2008,JPO&INPIT</p>
申请公布号 JP2008139509(A) 申请公布日期 2008.06.19
申请号 JP20060324761 申请日期 2006.11.30
申请人 TOPPAN PRINTING CO LTD 发明人 KUBO AKIRA;OCHIAI HIDEKI
分类号 G02B5/30;B42D15/10;G09F3/02 主分类号 G02B5/30
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