| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an information recording card with a forgery preventing measure which has not prevailed technically and which is difficult to forge or duplicate. SOLUTION: The information recording card 1 is formed by applying forgery preventing measure to a center base 10. The forgery preventive measure has parallel line patterns 12 of the same shape, the same color or the same series color formed on front and rear surfaces of the transparent center base 10 in such a manner that a width of the pattern 12 is in a range of 0.3 to 1.0 mm and its interval is the same as the width of the line. The card 1 comprises a solid printing layer 20 made of a background color for bringing out the pattern on the overall upper surface of the pattern 12 of the rear surface, and a design pattern layer 30 is formed at a part on the pattern 12 in which the layer 20 is not formed.</p> |
