Invention Grant
- Patent Title: Perpendicular magnetic recording disk with a soft magnetic layer having a discrete track recording pattern
- Patent Title (中): 垂直磁记录盘，具有具有离散轨道记录图案的软磁层
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Application No.: US11588699Application Date: 2006-10-27
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Publication No.: US07656615B2Publication Date: 2010-02-02
- Inventor: David E. Wachenschwanz , Gerardo A. Bertero , David Treves , Andrew Homola , James L. Chao , Christopher H. Bajorek
- Applicant: David E. Wachenschwanz , Gerardo A. Bertero , David Treves , Andrew Homola , James L. Chao , Christopher H. Bajorek
- Applicant Address: US CA San Jose
- Assignee: WD Media, Inc.
- Current Assignee: WD Media, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- Main IPC: G11B5/09
- IPC: G11B5/09 ; G11B5/596
Abstract:
A method of forming a discrete track recording pattern on a soft magnetic underlayer of a perpendicular magnetic recording disk. In one embodiment, the soft magnetic underlayer is continuous throughout the discrete track recording pattern.
Public/Granted literature
- US20070041306A1 Perpendicular magnetic discrete track recording disk Public/Granted day:2007-02-22
Information query
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