发明名称 |
Magnetic recording disk using silicon substrate |
摘要 |
A magnetic recording disk includes a silicon substrate which is extremely flat and essentially asperity-free. A nonmagnetic underlayer is deposited on the silicon to enhance the magnetic performance of the magnetic layer which is deposited on the underlayer. A protective nonmagnetic overlayer is deposited on the magnetic layer.
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申请公布号 |
US4675240(A) |
申请公布日期 |
1987.06.23 |
申请号 |
US19840612972 |
申请日期 |
1984.05.23 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
WEISS, JOEL R. |
分类号 |
G11B5/64;G11B5/72;H01F10/30;(IPC1-7):H01F1/00 |
主分类号 |
G11B5/64 |
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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