| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rewrite card having a mark which shows the genuineness of the card and cannot be visually recognized under a normal condition and helps easily determine whether the rewrite card is genuine. SOLUTION: An information display part 4 is formed on a rewrite display layer 3 which is composed of a reversible heat-sensitive color developing material and enables writing and erasing of display information to be repeated. Further, a color development hindering part 5 which is of the same color as the rewrite display layer 3 or colorless and transparent and has a required check mark 6 printed on a positive or a negative pattern using an ink for hindering the color development of the rewrite display layer 3, is formed on the surface of the rewrite display layer 3 outside the region of the information display part 4.</p> |
