发明名称 |
Thin film magnetic head |
摘要 |
A thin film magnetic head comprising a lower magnetic core layer 9 and an upper magnetic core layer 12 formed over the core layer 9 with a coil layer 10, a gap spacer layer 11 and an insulating layer provided therebetween, the core layers 9 and 12 each having a core tip region c between a core tip a and a portion b increasing in core width. The core layers 9 and 12 are each formed by a magnetic thin film of NiFe having a positive magnetostriction constant of not greater than 1x10-6 in absolute value and containing 17.5 to 19.5 wt. % of Fe.
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申请公布号 |
US5609971(A) |
申请公布日期 |
1997.03.11 |
申请号 |
US19940264918 |
申请日期 |
1994.06.24 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
MATONO, NAOTO;NOGUCHI, HITOSHI;YAMAMOTO, TOMOMI;KOBAYASHI, SHINJI;NAKATA, MASAHIRO |
分类号 |
G11B5/147;G11B5/31;G11B5/39;(IPC1-7):G11B5/66;B32B9/00 |
主分类号 |
G11B5/147 |
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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