| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide latent image printed matter, in particular, the latent image printed matter favorable as security printed matter such as bank notes, passports, securities, identification cards, cards, traffic tickets and the like requiring forgery preventing effects, and changing in image according to a change in observation angle. <P>SOLUTION: The printed matter has an effect of switching images between under diffuse reflection light and under specular reflection light by using brilliant material-containing ink and transparent ink. The latent image printed matter further increases the forgery preventing effects by making a latent image appearing in specular reflection different from an emitted light image appearing in irradiation of UV light. <P>COPYRIGHT: (C)2012,JPO&INPIT |
