| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laminate which does not need to form a latent image by controlling the direction of circularly polarized light of a material having a circularly polarizing property, moreover, is capable of adding/erasing a latent image pattern and can be used suitably for a forgery prevention medium and the like. <P>SOLUTION: The laminate is obtained by sequentially laminating a substrate 1, a layer 2 having a circularly polarizing property and a resin film 3 having a latent image 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
