发明名称 |
Magnetic recording medium and magnetic recording disk device |
摘要 |
A magnetic recording medium and a magnetic disk device using the same. The magnetic recording medium comprising a nonmagnetic substrate having applied thereon, through a chromium-based underlayer, at least one magnetic recording layer consisting of cobalt as a principal component, 14 to 23 at % of chromium, 1 to 20 at % of platinum as well as tungsten and carbon. The magnetic recording medium exhibits reduced noise, an improved resolution of the reproducing waveforms and an increased S/N ratio.
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申请公布号 |
US6129981(A) |
申请公布日期 |
2000.10.10 |
申请号 |
US19980187082 |
申请日期 |
1998.11.06 |
申请人 |
FUJITSU LIMITED |
发明人 |
OKUYAMA, CHIAKI;SATO, KENJI;YOSHIDA, YUKI;OKAMOTO, IWAO |
分类号 |
G11B5/64;G11B5/65;G11B5/66;G11B5/738;(IPC1-7):G11B5/66 |
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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