发明名称 |
High data rate write head |
摘要 |
A magnetic head assembly includes first and second pole pieces and first and second coil layers wherein the second pole piece has a ferromagnetic pole tip which forms a portion of an air bearing surface and defines a track width of a write head. A write gap layer is located between the first pole piece and the pole tip. A dielectric first insulation layer interfaces first and second side surfaces of the pole tip and is located between the first and second coil layers. The second pole piece has a ferromagnetic second pole piece structure which is magnetically connected to each of the pole tip and the first pole piece and extends across the second coil layer. In a first embodiment the second pole piece structure is a single layer and in a second embodiment the second pole piece structure has front and back components with a flat laminated second pole piece yoke layer located therebetween.
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申请公布号 |
US6952326(B2) |
申请公布日期 |
2005.10.04 |
申请号 |
US20030611627 |
申请日期 |
2003.06.30 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
发明人 |
HSU YIMIN;SANTINI HUGO ALBERTO EMILIO;SMITH NEIL;WILLIAMS MASON LAMAR |
分类号 |
G11B5/31;(IPC1-7):G11B5/127 |
主分类号 |
G11B5/31 |
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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