发明名称 |
MAGNETIC RECORDING MEDIUM |
摘要 |
PROBLEM TO BE SOLVED: To improve durability and running speed of a magnetic recording medium of a metal magnetic thin film type. SOLUTION: In the magnetic recording medium 10 constructed by successively forming a magnetic layer 2 composed of a ferromagnetic metal thin film and a carbon protective film 3 on a nonmagnetic supporting body 1, the surface of the carbon protective layer 3 is plasma treated and the protective layer 3 retains a lubricant formed by combining a compound of perfluoropolyether having a terminal carboxyl group with an amine and an alkyl ester of a partially fluorinated carboxylic acid. |
申请公布号 |
JP2002334421(A) |
申请公布日期 |
2002.11.22 |
申请号 |
JP20010140525 |
申请日期 |
2001.05.10 |
申请人 |
SONY CORP |
发明人 |
TAKEDA TSUTOMU;UCHIUMI TOSHIHARU;OGASAWARA MAYUMI |
分类号 |
C10M105/54;C10M107/38;C10M107/44;C10N30/00;C10N30/06;C10N30/08;C10N40/18;G11B5/64;G11B5/72;G11B5/725;(IPC1-7):G11B5/725 |
主分类号 |
C10M105/54 |
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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