Invention Grant
- Patent Title: Process to manufacture a magnetic write head
- Patent Title (中): 制造磁头的过程
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Application No.: US12384761Application Date: 2009-04-08
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Publication No.: US07934310B2Publication Date: 2011-05-03
- Inventor: Lijie Guan , Hung Liang Hu , Yaw Shing Tang
- Applicant: Lijie Guan , Hung Liang Hu , Yaw Shing Tang
- Applicant Address: US CA Milpitas
- Assignee: Headway Technologies, Inc.
- Current Assignee: Headway Technologies, Inc.
- Current Assignee Address: US CA Milpitas
- Agency: Saile Ackerman LLC
- Agent Stephen B. Ackerman
- Main IPC: G11B5/127
- IPC: G11B5/127 ; H04R31/00

Abstract:
Prior art designs of single pole writers have been limited by premature saturation at the tip. This limits the head field that can be achieved without simultaneously widening the write profile. This problem has bee solved by means of a vertical main pole whose thickness has its conventional value a short distance from the tip but that tapers down to a significantly reduced value as it approaches the tip. A process for manufacturing this tapered tip design is also presented.
Public/Granted literature
- US20090202728A1 Perpendicular write head with tapered main pole Public/Granted day:2009-08-13
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