| 摘要 |
PROBLEM TO BE SOLVED: To provide an image composer which can be applied to a precious article requiring forgery proofness, genuineness discrimination and duplication prevention, and a manufacturing method of this image composer. SOLUTION: This image composer comprises an image visualized in a light transmitting base and the image is composed of a recessed line pattern with relief pattern arranged regularly on the light transmitting base. In addition, the relief pattern lines vary in height according to "n" stages ("n" is an integer of 2 or more) of density correspondingly matching with an original image. Besides, the recessed line pattern arranged regularly on the light transmitting base, is formed between the lines of the recessed line pattern with relief pattern. COPYRIGHT: (C)2009,JPO&INPIT |
