| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed matter on which a latent image having gradation occurs, in which color and a shape of an image are varied, by change of an observation angle, and capable of determining authenticity by reading by a machine or under a different environment.SOLUTION: A printed area Z on which a first image A, a first background image B and a second image C are overlapped and disposed is provided on a base material 1, in which the first image A has first streaks 3 disposed in a parallel line state by a first color material, the first background image B has second streaks 4 disposed in a parallel line state by a second color material and having bulge, the second image C has an information part formed of third streaks 6 disposed in a parallel line state by a third color material and having bulge, the third streaks 6 are configured so that, the streaks of the 3-1th streak, 3-2th streak, ..., 3-(n-1)th streak, and 3-nth streak (n is an integer equal to or more than 3) are laminated corresponding to density of an original image of the second image C on the second streaks 4, and the first streaks are disposed on positions not overlapping with the second streaks and third streaks. |
