发明授权
US07352540B1 Giant magneto-resistive (GMR) transducer having separation structure separating GMR sensor from head-tape interface
有权
具有将GMR传感器与头带接口分开的分离结构的巨磁阻(GMR)传感器
- 专利标题: Giant magneto-resistive (GMR) transducer having separation structure separating GMR sensor from head-tape interface
- 专利标题(中): 具有将GMR传感器与头带接口分开的分离结构的巨磁阻(GMR)传感器
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申请号: US11017170申请日: 2004-12-20
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公开(公告)号: US07352540B1公开(公告)日: 2008-04-01
- 发明人: Mark Lee Watson , Francis Campos , April Lynn Alstrin
- 申请人: Mark Lee Watson , Francis Campos , April Lynn Alstrin
- 申请人地址: US CO Louisville
- 专利权人: Storage Technology Corporation
- 当前专利权人: Storage Technology Corporation
- 当前专利权人地址: US CO Louisville
- 代理机构: Brooks Kushman P.C.
- 主分类号: G11B5/39
- IPC分类号: G11B5/39 ; G11B5/31
摘要:
A giant magneto-resistive (GMR) transducer for reading data signals magnetically recorded on tape includes a GMR sensor and a separation structure formed on a front edge of the GMR sensor. The GMR sensor reads data signals magnetically recorded on a tape located at a head-tape interface. The separation structure physically separates the GMR sensor from the head-tape interface. The separation structure includes at least one film formed of at least one of non-magnetic and ferromagnetic materials such that the separation structure isolates the GMR sensor from physical contact with the tape at the head-tape interface while maintaining the ability of the GMR sensor to read data signals magnetically recorded on the tape even though the GMR sensor is physically separated from the tape at the head-tape interface. The separation structure may include an under-layer film and an isolation film. The GMR transducer is fabricated by a series of fabrication steps.
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