Invention Grant
- Patent Title: Magnetic head for perpendicular magnetic recording having a write shield
- Patent Title (中): 具有写屏蔽的垂直磁记录磁头
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Application No.: US13708507Application Date: 2012-12-07
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Publication No.: US08867168B2Publication Date: 2014-10-21
- Inventor: Norikazu Ota , Masahiro Saito , Taro Oike , Takeo Kagami , Yosuke Antoku , Kenkichi Anagawa , Kenta Hara , Tetsuro Sasaki , Shingo Miyata , Katsuki Kurihara
- Applicant: TDK Corporation
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Main IPC: G11B5/127
- IPC: G11B5/127 ; G11B5/147 ; G11B5/11

Abstract:
A magnetic head includes a main pole, a write shield, and a return path section. The write shield includes first and second shield portions located on opposite sides of the main pole in the track width direction. The return path section includes first and second yoke portions located on opposite sides of the main pole in the track width direction. The first yoke portion is connected to the first shield portion. The second yoke portion is connected to the second shield portion. A coil surrounds at least part of the entire outer periphery of the main pole when viewed from a medium facing surface.
Public/Granted literature
- US20140160597A1 MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A WRITE SHIELD Public/Granted day:2014-06-12
Information query
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