发明授权
- 专利标题： Magnetic head and manufacturing method therefor
- 专利标题（中）： 磁头及其制造方法
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申请号： US925385申请日： 1997-09-08
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公开(公告)号： US5917682A公开(公告)日： 1999-06-29
- 发明人: Hitoshi Yamanishi , Isamu Aokura , Koichi Osano , Yasushi Inoue , Fumio Sakai
- 申请人： Hitoshi Yamanishi , Isamu Aokura , Koichi Osano , Yasushi Inoue , Fumio Sakai
- 申请人地址： JPX Osaka-fu
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JPX Osaka-fu
- 优先权： JPX8-237718 19960909
- 主分类号： G11B5/187
- IPC分类号： G11B5/187 ; G11B5/31 ; G11B5/40 ; G11B5/23
摘要：
A magnetic head includes a back core made of ferrite and a magnetic alloy film arranged in a vicinity of a magnetic gap and having an average composition expressed by TxMyNz wherein T is Fe or Co; M is at least one metal selected from a group consisting of Nb, Zr, Ta, Hf, Cr, W and Mo; N is nitrogen; and x, y and z are atomic percentages holding 65.ltoreq.x.ltoreq.94, 5.ltoreq.y.ltoreq.25, 0