发明授权
- 专利标题: Carbonaceous protective layer, magnetic recording medium, production method thereof, and magnetic disk apparatus
- 专利标题(中): 碳质保护层,磁记录介质,其制造方法和磁盘装置
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申请号: US09849966申请日: 2001-05-04
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公开(公告)号: US06974642B2公开(公告)日: 2005-12-13
- 发明人: Hiroyuki Hyodo , Takayuki Yamamoto
- 申请人: Hiroyuki Hyodo , Takayuki Yamamoto
- 申请人地址: JP Kawasaki
- 专利权人: Fujitsu Limited
- 当前专利权人: Fujitsu Limited
- 当前专利权人地址: JP Kawasaki
- 代理机构: Greer, Burns & Crain, Ltd.
- 优先权: JP2000-137571 20000510
- 主分类号: C23C14/06
- IPC分类号: C23C14/06 ; C23C14/22 ; C23C14/32 ; G11B5/72 ; G11B5/84
摘要:
A carbonaceous protective layer particularly suitable for use in magnetic recording media. The carbonaceous protective layer is formed by a Filtered Cathodic Arc process, and contains nitrogen distributed therein. A process for the production of a carbonaceous protective layer as well as a magnetic recording medium and a magnetic disk apparatus are also disclosed.
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