发明授权
- 专利标题: Production process for a hard disk magnetic recording medium
- 专利标题(中): 硬盘磁记录介质的制作过程
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申请号: US825628申请日: 1997-03-31
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公开(公告)号: US5759617A公开(公告)日: 1998-06-02
- 发明人: Ryoichi Mukai
- 申请人: Ryoichi Mukai
- 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: JPX8-124873 19960520
- 主分类号: G11B5/85
- IPC分类号: G11B5/85 ; G11B5/84 ; B05D5/12
摘要:
The present invention discloses a production process for a hard disk magnetic recording medium in which post-annealing is performed after vacuum deposition of a non-magnetic base layer and magnetic metal polycrystalline layer on a substrate without forming a protective layer and without destroying the vacuum.
公开/授权文献
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