Invention Application
- Patent Title: MAGNETIC WRITE HEAD FOR PROVIDING SPIN-TORQUE-ASSISTED WRITE FIELD ENHANCEMENT
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Application No.: US16440922Application Date: 2019-06-13
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Publication No.: US20190295572A1Publication Date: 2019-09-26
- Inventor: James Terrence OLSON , Hiroyuki HOSHIYA , Alexander GONCHAROV , Masato SHIIMOTO , Mikito SUGIYAMA
- 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
- Main IPC: G11B5/39
- IPC: G11B5/39

Abstract:
Disclosed herein are magnetic write heads and hard disk drives comprising such magnetic write heads. A magnetic head comprises a magnetic pole, a first shield separated from the magnetic pole at an air-bearing surface (ABS) of the magnetic head, a magnetic layer disposed between the magnetic pole and the first shield, wherein the magnetic layer comprises at least of iron, cobalt, or nickel, a first non-magnetic layer disposed between the magnetic pole and the magnetic layer, and a second non-magnetic layer disposed between the magnetic layer and the first shield, wherein the magnetic layer is the only magnetic layer at the ABS that is between the main pole and the first shield that is not adjacent to the main pole or the first shield.
Public/Granted literature
- US10546603B2 Magnetic write head for providing spin-torque-assisted write field enhancement Public/Granted day:2020-01-28
Information query
IPC分类: