Invention Grant
- Patent Title: Three terminal magnetic recording head
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Application No.: US16559372Application Date: 2019-09-03
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Publication No.: US11600293B1Publication Date: 2023-03-07
- Inventor: Terence Lam , Michael Kuok San Ho , Yaguang Wei , Zhigang Bai , Muhammad Asif Bashir
- 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: Patterson + Sheridan, LLP
- Agent Steven H. VerSteeg
- Main IPC: G11B5/31
- IPC: G11B5/31 ; G11B5/39 ; G11B5/60 ; G11B5/235 ; G11B5/23 ; G11B5/265 ; G11B5/00

Abstract:
A magnetic recording device includes a main pole, a coil around the main pole, a trailing shield, and a leading shield. A trailing gap is between the main pole and the trailing shield. In one embodiment, the trailing gap includes a non-magnetic conductive material. In another embodiment, the trailing gap includes a spin torque oscillator device. A leading gap is between the main pole and the leading shield. The leading gap includes a non-magnetic conductive material. The main pole is coupled to a first terminal. The trailing shield coupled to a second terminal. The leading shield is coupled to a third terminal.
Information query
IPC分类: