| 摘要 |
PROBLEM TO BE SOLVED: To provide a forgery preventive formed body which has a change effect of changing an image visible by interference light and an image visible by diffraction light into different images, which has an observation region where different images are visible as mixed, and which gives a diffuse-reflected light region where the presence of a significant image itself is not recognized.SOLUTION: The forgery preventive formed body includes an optical variable region comprising a first image and a second image in at least a part on a substrate. The first image comprises a plurality of first elements of picture lines and/or pixels having light interference characteristics; and the second image comprises a plurality of second elements of picture lines with a fine rugged shape having light diffraction characteristics, disposed in a surface layer of the first elements. When the substrate is observed at a predetermined observation angle, only the first image is visible by interference light; and by varying the observation angle, only the second image is visible by diffraction light. |
