发明授权
- 专利标题: Magnetic recording medium and method for manufacturing the same
- 专利标题(中): 磁记录介质及其制造方法
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申请号: US897677申请日: 1997-07-21
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公开(公告)号: US5981054A公开(公告)日: 1999-11-09
- 发明人: Takashi Hikosaka , Tsutomu Tanaka , Yoichiro Tanaka , Katsutaro Ichihara , Keiichiro Yusu , Akira Kikitsu
- 申请人: Takashi Hikosaka , Tsutomu Tanaka , Yoichiro Tanaka , Katsutaro Ichihara , Keiichiro Yusu , Akira Kikitsu
- 申请人地址: JPX Kawasaki
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JPX Kawasaki
- 优先权: JPX8-192073 19960722; JPX8-193481 19960723; JPX8-193482 19960723
- 主分类号: G11B5/64
- IPC分类号: G11B5/64 ; G11B5/855 ; G11B5/66
摘要:
A magnetic recording medium comprising a substrate and a magnetic film formed on the substrate, the magnetic film including magnetic crystal grains in a non-magnetic matrix and satisfying the condition given below:d.sup.2 .multidot.t.multidot.Ir/(v.multidot.Isb).gtoreq.0.75wheret: a thickness of the magnetic film;Ir: a remanent magnetization moment of the magnetic film;d: an average particle size of the magnetic crystal grains in an intra-film direction of the magnetic film; andv.multidot.Isb: an activated magnetization moment of the magnetic film.
公开/授权文献
- US5261596A Air quality conditioning system 公开/授权日:1993-11-16
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