发明授权
- 专利标题: Metallic glass, magnetic recording medium using the same, and method of manufacturing the magnetic recording medium
- 专利标题(中): 金属玻璃,使用其的磁记录介质以及制造磁记录介质的方法
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申请号: US13728849申请日: 2012-12-27
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公开(公告)号: US08968891B2公开(公告)日: 2015-03-03
- 发明人: Akihiro Makino , Akihisa Inoue , Wei Zhang , Hisamichi Kimura
- 申请人: Akihiro Makino , Akihisa Inoue , Wei Zhang , Hisamichi Kimura
- 申请人地址: JP Saitama
- 专利权人: Japan Science and Technology Agency
- 当前专利权人: Japan Science and Technology Agency
- 当前专利权人地址: JP Saitama
- 代理机构: Chen Yoshimura LLP
- 优先权: JP2007-241595 20070918
- 主分类号: G11B5/65
- IPC分类号: G11B5/65 ; C22C45/00 ; C22C33/00 ; C22C45/02 ; G11B5/855 ; H01F10/13 ; H01F41/34 ; H01F1/01
摘要:
A magnetic recording medium 1 includes a substrate 11; and a metallic glassy layer 12 that is arranged on the substrate 11 and has a plurality of convex portions 12A and concave portions 12B. The metallic glassy layer 12 has a chemical composition represented by any one of the formulae (1) to (3): FemPtnSixByPz (wherein, 20