Invention Grant
- Patent Title: Magnetic head and magnetic disk storage apparatus mounting the head
- Patent Title (中): 安装磁头的磁头和磁盘存储装置
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Application No.: US11707415Application Date: 2007-02-15
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Publication No.: US07881012B2Publication Date: 2011-02-01
- Inventor: Masafumi Mochizuki , Kimitoshi Etoh , Youji Maruyama , Hiroshi Fukui
- Applicant: Masafumi Mochizuki , Kimitoshi Etoh , Youji Maruyama , Hiroshi Fukui
- Applicant Address: NL Amsterdam
- Assignee: Hitachi Global Storage Technologies Netherlands B.V.
- Current Assignee: Hitachi Global Storage Technologies Netherlands B.V.
- Current Assignee Address: NL Amsterdam
- Agency: Patterson & Sheridan, LLP
- Priority: JP2006-039777 20060216
- Main IPC: G11B5/17
- IPC: G11B5/17

Abstract:
Embodiments in accordance with the present invention provide a magnetic head in which broadening of the write-field distribution in the track-width direction can be decreased without reducing the write-field intensity. A main pole includes a pole tip having a part which provides the write track-width and a yoke part recessed from the air bearing surface in the element height direction, the pole tip including at least two magnetic films having different track-width directions, and the throat height at the trailing side being made smaller than the throat height at the leading side.
Public/Granted literature
- US20070211382A1 Magnetic head and magnetic disk storage apparatus mounting the head Public/Granted day:2007-09-13
Information query
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