发明名称 |
Magnetic head and recording and playback drive |
摘要 |
Embodiments of the invention provide a magnetic recording and read head which reduces the spread read width in a narrow track having a width of 100 nm or less and shows stable read operation. In one embodiment, a side magnetic shield has a multi-layered structure including non-magnetic separate layers and soft magnetic layers, and the soft magnetic layers are magnetized in opposite directions to reduce a magnetic field induced by the side magnetic shield.
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申请公布号 |
US2005157431(A1) |
申请公布日期 |
2005.07.21 |
申请号 |
US20040977129 |
申请日期 |
2004.10.29 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS, B.V. |
发明人 |
HATATANI MASAHIKO;HAGINOYA CHISEKI;MEGURO KENICHI;NAKAMOTO KAZUHIRO |
分类号 |
G11B5/39;G11B5/11;G11B5/33;G11B5/667;(IPC1-7):G11B5/33 |
主分类号 |
G11B5/39 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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