发明名称 |
Magnetic write head having a self aligned, steep shoulder pole structure and method of manufacture thereof |
摘要 |
A magnetic write head and method of manufacture thereof that has a first pole structure having a notched structure configured with a steep shoulder portion and a narrow vertical notch portion extending from the top of the steep shoulder portion. The write head also includes a second pole structure (P2) that has a very narrow width (track width) and that is self aligned with the narrow vertical notch structure of the first pole structure. The write head provides excellent magnetic properties including a very narrow track width and minimal side writing, while avoiding magnetic saturation of the poles.
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申请公布号 |
US7612964(B2) |
申请公布日期 |
2009.11.03 |
申请号 |
US20050228783 |
申请日期 |
2005.09.15 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
发明人 |
BEDELL DANIEL WAYNE;LAM HIEU;LEE KIM Y.;LO JYH-SHUEY |
分类号 |
G11B5/187 |
主分类号 |
G11B5/187 |
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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