| 发明名称 |
IDENTIFICATION CARD AND METHOD OF MANUFACTURING THE SAME |
| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a card with which the prevention of the forgery of the same card and the authenticity discrimination by a magnetic sensor are possible. SOLUTION: This identification card is formed by randomly distributing plural regions consisting of magnetic powder. The average grain size of the magnetic powder is 0.01 to 10μm.</p> |
| 申请公布号 |
JP2002342910(A) |
申请公布日期 |
2002.11.29 |
| 申请号 |
JP20010147656 |
申请日期 |
2001.05.17 |
| 申请人 |
LINTEC CORP |
发明人 |
EBE KAZUYOSHI;IWAKATA YUICHI;NAKADA YASUKAZU |
| 分类号 |
B42D15/10;G11B5/70;G11B5/714;G11B5/80;G11B5/84;G11B5/842;(IPC1-7):G11B5/70 |
主分类号 |
B42D15/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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