发明授权
- 专利标题: Magnetic recording medium and magnetic head having carbon protective layers
- 专利标题(中): 磁记录介质和具有碳保护层的磁头
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申请号: US724323申请日: 1996-10-01
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公开(公告)号: US6132875A公开(公告)日: 2000-10-17
- 发明人: Katsumi Kiuchi , Eishin Yamakawa , Yoshito Kitamoto , Makoto Watanabe , Masahiro Takagi , Akira Kikuchi
- 申请人: Katsumi Kiuchi , Eishin Yamakawa , Yoshito Kitamoto , Makoto Watanabe , Masahiro Takagi , Akira Kikuchi
- 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: JPX5-251115 19930912; JPX5-278937 19930912; JPX6-139501 19940529
- 主分类号: C23C16/26
- IPC分类号: C23C16/26 ; C23C28/00 ; G11B5/10 ; G11B5/255 ; G11B5/31 ; G11B5/39 ; G11B5/72 ; G11B5/725 ; G11B5/84 ; G11B33/14
摘要:
In a magnetic recording medium wherein a magnetic recording layer for storing information, a carbon type protective layer for preventing damage of the magnetic recording layer and a lubrication layer are sequentially formed on a non-magnetic substrate, the carbon protective layer has a relatively smaller hydrogen content on the side nearer the lubrication layer than on the side nearer the magnetic recording layer. In a magnetic head slider having an electromagnetic conversion device mounted thereto, a carbon protective layer is laminated on at least a sliding surface side, and a lubrication layer is disposed on the carbon type protective layer. In a recording apparatus including a recording medium for storing information and a magnetic head for recording or reproducing information to and from the memory medium, a carbon protective film having a lower hydrogen content at an upper, surface portion thereof than at a lower, initial portion thereof is formed on either the recording medium or a sliding portion of the magnetic head.
公开/授权文献
- USD330143S Drinking straw 公开/授权日:1992-10-13