| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a magnetic recording medium that is very difficult to forge and alter and can record individual information. <P>SOLUTION: The magnetic recording medium is provided with at least a hard magnetic layer and a soft magnetic layer on a base substance, and forms the soft magnetic layer by transferring on the base substance the soft magnetic layer in which a square ratio by film-forming a soft magnetic material in the range of 0.05-0.5 μm of a thickness by a sputtering method on the transfer base substance, is 0.8 or more. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
