发明名称 |
Perpendicular magnetic films, multi-layered films suitable for conversion to perpendicular magnetic films and process for producing perpendicular magnetic films from said multi-layered films. |
摘要 |
<p>A perpendicular magnetic film comprising a Co-containing gamma -Fe2O3 film formed on a substrate, in which the plane (400) is predominantly oriented in parallel with said substrate, the molar ratio of Co to Fe is from 0.01:1 to 0.32:1, the spacing of said plane (400) is not more than 2.084 A, and the optical absorption coefficient at 700 nm is not more than 2.5 mu m<-><1>.</p> |
申请公布号 |
EP0586142(B1) |
申请公布日期 |
1997.10.15 |
申请号 |
EP19930306554 |
申请日期 |
1993.08.19 |
申请人 |
TODA KOGYO CORP. |
发明人 |
TAMARI, KOUSAKU;DOI, TAKANORI |
分类号 |
H01F10/16;G11B5/64;G11B5/66;H01F10/20;H01F10/30;H01F41/18;(IPC1-7):G11B5/66 |
主分类号 |
H01F10/16 |
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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