Invention Grant
US08941948B2 Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG)
有权
垂直记录头与主极中的引导凸起具有窄的前导间隙（LG）
- Patent Title: Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG)
- Patent Title (中): 垂直记录头与主极中的引导凸起具有窄的前导间隙（LG）
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Application No.: US13526418Application Date: 2012-06-18
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Publication No.: US08941948B2Publication Date: 2015-01-27
- Inventor: Kimitoshi Etoh , Mikito Sugiyama , Hisashi Kimura , Kazuhiko Hosomi
- Applicant: Kimitoshi Etoh , Mikito Sugiyama , Hisashi Kimura , Kazuhiko Hosomi
- Applicant Address: NL Amsterdam
- Assignee: HGST Netherlands B.V.
- Current Assignee: HGST Netherlands B.V.
- Current Assignee Address: NL Amsterdam
- Agency: Zilka-Kotab, PC
- Main IPC: G11B5/23
- IPC: G11B5/23 ; G11B5/31 ; G11B5/11
Abstract:
In one embodiment, a perpendicular magnetic recording head includes a main magnetic pole; a leading shield below a leading side of the main magnetic pole; a leading gap between the leading shield and the main magnetic pole; a trailing shield above a trailing side of the main magnetic pole; a trailing gap between the trailing shield and the main magnetic pole; and a nonmagnetic leading bump between the main magnetic pole and the leading shield. Additional embodiments are also disclosed.
Public/Granted literature
- US20130335854A1 PERPENDICULAR RECORDING HEAD WITH LEADING BUMP IN THE MAIN POLE HAVING NARROW LEADING GAP (LG) Public/Granted day:2013-12-19
Information query
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