发明授权
US07542244B2 Magnetic head to prevent undesired data erasure and magnetic disk storage having the same
失效
磁头，以防止不必要的数据擦除和具有相同的磁盘存储
- 专利标题： Magnetic head to prevent undesired data erasure and magnetic disk storage having the same
- 专利标题（中）： 磁头，以防止不必要的数据擦除和具有相同的磁盘存储
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申请号： US11252866申请日： 2005-10-17
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公开(公告)号： US07542244B2公开(公告)日： 2009-06-02
- 发明人: Hiroshi Fukui , Yoji Maruyama , Masafumi Mochizuki , Tomohiro Okada
- 申请人： Hiroshi Fukui , Yoji Maruyama , Masafumi Mochizuki , Tomohiro Okada
- 申请人地址： NL Amsterdam
- 专利权人： Hitachi Global Storage Technologies Netherlands B.V.
- 当前专利权人： Hitachi Global Storage Technologies Netherlands B.V.
- 当前专利权人地址： NL Amsterdam
- 代理机构： Townsend and Townsend and Crew LLP
- 代理商 Rambod Nader
- 优先权： JP2004-301911 20041015
- 主分类号： G11B5/127
- IPC分类号： G11B5/127
摘要：
Embodiments of the invention provide a magnetic head (magnetic disk storage) which does not erase data on a recording medium even when a stray field is applied. In one embodiment, the head has a structure that d1