发明名称 INFORMATION MEDIUM WITH SCRATCH HIDING LAYER
摘要 <p>PROBLEM TO BE SOLVED: To provide an information medium with a scratch hiding layer, in which the unevenness of secret information data is hard to be visually recognized on the surface of an OVD layer in the information medium with a scratch part having the OVD layer with a reflective thin metal film. SOLUTION: In this information medium, the scratch hiding layer having the OVD layer with the reflective thin metal film is applied in order to hide the secret information data 50. This information medium 1 with the scratch hiding layer is produced by laminating a scratch ink layer 30, a filler-added ink layer 20 and the OVD layer 10 in the order on the secret information data 50 under the condition that the particle diameter of the filler in the filler-fed ink layer 20 is 0.05 to 5μm and its content is 1 to 20%.</p>
申请公布号 JP2001121851(A) 申请公布日期 2001.05.08
申请号 JP19990304309 申请日期 1999.10.26
申请人 TOPPAN PRINTING CO LTD 发明人 KITAHARA KANSHIN
分类号 B42D15/10;B42D15/00;(IPC1-7):B42D15/00 主分类号 B42D15/10
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