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US 2013/0155539 A1Published application
Extended servo mark
AssigneeSeagate Technology LLC
InventorsMustafa Can Ozturk, Puskal Prasad Pokharel, Barmeshwar Vikramaditya
Life of this patent
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Abstract
An extended servo mark word is used when an error is detected from a servo mark. For example, a servo mark associated with a disk drive track may be detected during a data access operation. In response to an error in detecting the servo mark, at least one adjacent bit is evaluated together with the servo address mark to overcome the error.
Claims20
A method comprising using an extended servo mark word when an error is detected from a servo mark.
A logic circuit configured to use an extended servo mark word when an error is detected from a servo mark.
A method comprising:
- during a data access operation, detecting a servo mark associated with a disk drive track;
- and
- in response to an error in detecting the servo mark, evaluating at least one adjacent bit together with the servo mark to overcome the error.
Dependencies are inferred from the claim text.