发明名称 |
Magnetic head having a notched pole piece structure |
摘要 |
A magnetic head includes a first pole piece; a second pole piece; a pedestal formed over a central portion of the first pole piece; a gap separating the pedestal from the second pole piece; and at least one of a top straight walled portion over the pedestal and a bottom straight-walled portion underneath the pedestal, the pedestal being notched with angled side walls.
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申请公布号 |
US7489474(B2) |
申请公布日期 |
2009.02.10 |
申请号 |
US20080046270 |
申请日期 |
2008.03.11 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
HSIAO WEN-CHEIN DAVID;LO JYH-SHUEY JERRY |
分类号 |
G11B33/02;G11B5/31;G11B5/39 |
主分类号 |
G11B33/02 |
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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