| 摘要 |
PROBLEM TO BE SOLVED: To prevent alteration and forgery and to provide a magnetic card having a high degree of security and a method for using the same. SOLUTION: The card is mainly equipped with a card base material 1 and a magnetic recording layer 2; and data corresponding to the card base material 1 of a magnetic card 6, which consists of a printing layer, a silver layer 3 and an overcoat layer 4 as additional layers, a magnetic paint used for the magnetic recording layer 2 painted on the base material, the magnetic card 6, which uses a shape memory resin for a resin used as an ink of the printing layer printed, and a deformation stored in the shape memory resin of the magnetic card 6 is stored in the magnetic card or a card reader, are compared with data corresponding to a deformation of the reproduced magnetic card and the authenticity of the magnetic card is discriminated. |
