Invention Grant
- Patent Title: Bipolar position error bursts with unipolar servo fields
- Patent Title (中): 双极位置误差用单极伺服场突发
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Application No.: US12969305Application Date: 2010-12-15
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Publication No.: US08345368B2Publication Date: 2013-01-01
- Inventor: Puskal Prasad Pokharel , Barmeshwar Vikramaditya
- Applicant: Puskal Prasad Pokharel , Barmeshwar Vikramaditya
- Applicant Address: US CA Cupertino
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Cupertino
- Agency: Westman, Champlin & Kelly, P.A.
- Agent Alan G. Rego
- Main IPC: G11B5/09
- IPC: G11B5/09
Abstract:
A storage medium has a first servo field having magnetic lands separated by nonmagnetic areas, the magnetic lands of the first servo field having a unipolar pattern. The medium further includes a second servo field having magnetic lands separated by nonmagnetic areas, the magnetic lands of the second servo field having a bipolar pattern.
Public/Granted literature
- US20120154949A1 BIPOLAR POSITION ERROR BURSTS WITH UNIPOLAR SERVO FIELDS Public/Granted day:2012-06-21
Information query
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