发明授权
- 专利标题: Thin-film magnetic head having an antistatic layer preventing a protective coat from being electrostatically charged
- 专利标题(中): 具有防静电层的防静电层的薄膜磁头被防静电
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申请号: US11678913申请日: 2007-02-26
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公开(公告)号: US07864489B2公开(公告)日: 2011-01-04
- 发明人: Kei Hirata , Takeo Kagami , Takumi Uesugi , Tetsuro Sasaki
- 申请人: Kei Hirata , Takeo Kagami , Takumi Uesugi , Tetsuro Sasaki
- 申请人地址: JP Tokyo
- 专利权人: TDK Corporation
- 当前专利权人: TDK Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Frommer Lawrence & Haug LLP
- 主分类号: G11B5/33
- IPC分类号: G11B5/33
摘要:
Provided is a thin-film magnetic head in which a noise due to the voltage potential difference between the read head element and the protective coat surface is suppressed. The thin-film magnetic head comprises: a read head element, one end surface of the read head element reaching an head end surface on the ABS side; a protective coat formed on the head end surface in such a way to cover at least the one end surface of the read head element; and at least one antistatic means for preventing the protective coat from being electrostatically charged, formed on/above the element formation surface, one end surface of the at least one antistatic means reaching the head end surface, the protective coat covering a portion, not the whole, of the one end surface of the at least one antistatic means on the head end surface.
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