| 发明名称 |
Magnetic recording medium |
| 摘要 |
In a magnetic recording medium of the hard disk type comprising a rigid substrate and a magnetic layer formed thereon, the substrate is plasma treated at frequencies in the range of 10 to 200 kHz in an inorganic gas containing O; N and H; and N, H and O.
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| 申请公布号 |
US4745031(A) |
申请公布日期 |
1988.05.17 |
| 申请号 |
US19850813639 |
申请日期 |
1985.12.26 |
| 申请人 |
TDK CORPORATION |
发明人 |
NAKAYAMA, MASATOSHI;MORITA, HARUYUKI;KUBOTA, YUICHI;TSUCHIYA, KEIKO |
| 分类号 |
G11B5/73;G11B5/84;(IPC1-7):G11B5/704 |
主分类号 |
G11B5/73 |
| 代理机构 |
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