Invention Grant
- Patent Title: Magnetic write head with a tapered return pole
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Application No.: US16022273Application Date: 2018-06-28
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Publication No.: US10468058B1Publication Date: 2019-11-05
- Inventor: Muhammad Asif Bashir , Petrus Antonius Van Der Heijden , Takuya Matsumoto
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA San Jose
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Jacobsen IP Law
- Main IPC: G11B5/31
- IPC: G11B5/31 ; G11B5/60 ; G11B7/1387 ; G11B5/00

Abstract:
Disclosed herein are HAMR-enabled write heads for data storage devices, data storage devices comprising such HAMR-enabled write heads, and methods of fabricating such HAMR-enabled write heads. A HAMR-enabled write head comprises a leading side, a trailing side, an air-bearing surface (ABS), a main pole disposed between the leading side and the trailing side and extending to the ABS, a return pole comprising a tapered portion at the ABS, wherein the tapered portion is disposed between the main pole and the leading side and extends toward the main pole, and a waveguide disposed between the main pole and the return pole.
Information query
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