发明授权
- 专利标题: Magnetic recording medium, process for producing the same and magnetic disk device
- 专利标题(中): 磁记录介质,其制造方法和磁盘装置
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申请号: US44639申请日: 1998-03-19
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公开(公告)号: US06020060A公开(公告)日: 2000-02-01
- 发明人: Yuki Yoshida , Chiaki Okuyama , Kenji Sato , Iwao Okamoto
- 申请人: Yuki Yoshida , Chiaki Okuyama , Kenji Sato , Iwao Okamoto
- 申请人地址: JPX Kawasaki
- 专利权人: Fujitsu Limited
- 当前专利权人: Fujitsu Limited
- 当前专利权人地址: JPX Kawasaki
- 优先权: JPX9-260333 19970925
- 主分类号: G11B5/012
- IPC分类号: G11B5/012 ; G11B5/39 ; G11B5/64 ; G11B5/65 ; G11B5/66 ; G11B5/73 ; G11B5/738 ; G11B5/84 ; G11B5/85 ; G11B5/851
摘要:
A magnetic recording medium characterized by comprising: a nonmagnetic substrate; and, provided on the nonmagnetic substrate in the following order, a first underlayer of a nonmagnetic material composed mainly of chromium, a second underlayer of an antiferromagnetic material, with a body-centered cubic structure, having a Neel temperature of at least 60.degree. C., the second underlayer being such that, when the crystal lattice of the antiferromagnetic material is compared with the crystal lattice in the body-centered cubic structure of the first underlayer, the length of a side of the lattice in the (100) face of the former is approximately equal to the length of a diagonal of the lattice in the (100) face of the latter, permitting the second underlayer to be epitaxially grown onto the first underlayer, and a recording layer of a magnetic material composed mainly of cobalt.
公开/授权文献
- USD375868S Electric grill 公开/授权日:1996-11-26
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