| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical card which has high information display quantity, easily and also conveniently displays and eliminates information, also prevents an information displaying part from dropping and being peeled and has an excellent operability in a reader. SOLUTION: In this optical card, an optical recording material layer 4 is provided on one plane side of a card base material layer 2 through an adhesive material layer 3 and an information display member layer 5 is provided on the other plane side of the layer 2. Also, in the optical card, the layer 5 is made of reversibility thermal-sensitive recording material and writes and (or) eliminates visually recognizable information and also is formed on virtually the entire surface of the one plane. |
