| 摘要 |
PURPOSE:To prevent preparation of a duplicate document, by providing a magnetic stripe whose thickness is partially different. CONSTITUTION:On a base body 3, a magnetic stripe 5 whose thickness is partially different, and a magnetic stripe 7 whose thickness is wholly uniform are provided, also on the magnetic stripe 5, a colored pigment layer 9 is provided, and also on each stripe and the surface of the base body, a protective layer 11 is provided. In this regard, a pattern of thickness of said magnetic stripe 5 is different in each card 1 provided with a magnetic stripe, and also a part or the whole of secondary information obtained by an output level difference due to different thickness of the magnetic stripe cnstitutes a part of information recorded in said magnetic stripe 7 whose thickness is uniform. |
