| 发明名称 |
Perpendicular magnetic recording medium and magnetic recording apparatus |
| 摘要 |
To provide an improved perpendicular magnetic recording medium suitable for high density magnetic recording.In a perpendicular magnetic recording medium comprising a perpendicular magnetic layer and protective layer provided on a non-magnetic substrate via a soft magnetic backlayer, a polycrystalline MgO film is inserted between the soft magnetic backlayer and perpendicular magnetic layer.
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| 申请公布号 |
US6770389(B2) |
申请公布日期 |
2004.08.03 |
| 申请号 |
US20030404446 |
申请日期 |
2003.04.02 |
| 申请人 |
HITACHI, LTD. |
发明人 |
FUTAMOTO MASAAKI;HIRAYAMA YOSHIYUKI;HONDA YUKIO;KIKUKAWA ATSUSHI |
| 分类号 |
G11B5/66;G11B5/00;G11B5/012;G11B5/39;G11B5/64;G11B5/65;G11B5/667;G11B5/73;G11B5/738;(IPC1-7):G11B5/66;G11B5/70 |
主分类号 |
G11B5/66 |
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