Hard disk, control unit for a disk device, and method for...

Details Hard disk, control unit for a disk device, and method for... Hard disk, control unit for a disk device, and method for...

2011-03-22

2011-03-22

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

C360S047000

Reexamination Certificate

active

07911725

ABSTRACT:
A hard disk includes: a plurality of servo areas which are elongated radially from a center of the hard disk to an outward thereof over tracks thereof; and a plurality of data areas which are respectively provided between the plurality of servo areas; wherein alternative operation is conducted per servo sector containing one of the plurality of servo areas and a data area provided subsequent to the one of the plurality of servo areas and having a defect created therein when a user sector containing at least a portion of the data area and functioning as an access unit has the defect therein.

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An English translation of Notice of Reasons for Rejection issued by the Japan Patent Office on Dec. 24, 2008.

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