Invention Grant
- Patent Title: Thin-film magnetic head, method of manufacturing the same, head Gimbal assembly, and hard disk drive
- Patent Title (中): 薄膜磁头,制造方法,头万向节组装和硬盘驱动器
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Application No.: US12232065Application Date: 2008-09-10
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Publication No.: US07718218B2Publication Date: 2010-05-18
- Inventor: Yoshitaka Sasaki , Lijie Guan , Hiroyuki Ito , Dong Hong Li
- Applicant: Yoshitaka Sasaki , Lijie Guan , Hiroyuki Ito , Dong Hong Li
- Applicant Address: US CA Milpitas
- Assignee: Headway Technologies, Inc.
- Current Assignee: Headway Technologies, Inc.
- Current Assignee Address: US CA Milpitas
- Agency: Oliff & Berridge, PLC
- Main IPC: G11B5/127
- IPC: G11B5/127 ; G11B5/17 ; G11B5/187

Abstract:
A thin-film magnetic head has a laminated construction comprising a main pole layer having a magnetic pole tip on a side of the medium-opposing surface opposing a recording medium, a write shield layer opposing the magnetic pole tip forming a recording gap layer, on the side of the medium-opposing surface, and a thin-film coil wound around at least a portion of the write shield layer. The thin-film magnetic head has an upper yoke pole layer having a larger size than the portion of the main pole layer which is more distant from the medium-opposing surface than the recording gap layer, wherein the upper yoke pole layer is joined to the side of the main pole layer which is near the thin-film coil.
Public/Granted literature
- US20090017198A1 Thin-film magnetic head, method of manufacturing the same, head Gimbal assembly, and hard disk drive Public/Granted day:2009-01-15
Information query
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