发明名称 |
MAGNETIC RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic recording medium and a method for manufacturing the medium having excellent electromagnetic transduction characteristics such as output characteristics and also having traveling reliability. SOLUTION: The medium has a magnetic layer and contains abrasive particles dispersed only in the surface area of the magnetic layer. The magnetic recording medium is manufactured by applying a coating material containing abrasive particles on the surface of the magnetic layer so as to disperse the abrasive particles only in the surface region of the magnetic layer.
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申请公布号 |
JP2002304717(A) |
申请公布日期 |
2002.10.18 |
申请号 |
JP20010106017 |
申请日期 |
2001.04.04 |
申请人 |
SONY CORP |
发明人 |
YAMAGA MINORU |
分类号 |
G11B5/72;G11B5/70;G11B5/84;(IPC1-7):G11B5/72 |
主分类号 |
G11B5/72 |
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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