| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems that a card-like information recording medium is stuck or it becomes hard to house it depending on an inserting direction when storing it in a wallet or a holder and carriage and delivery become troubles depending on the direction of placing the card when carrying the card. SOLUTION: In the card-like information recording medium, the edge of front and back long sides or short sides is rounded. Thus, when the short side is rounded for instance, the card is hardly stuck in the case of taking it in and out in a long side direction and it is smoothly taken in and out. |
