Method and apparatus for writing servo data, using spiral...

Details Method and apparatus for writing servo data, using spiral... Method and apparatus for writing servo data, using spiral...

2008-06-24

2010-12-14

Nguyen, Hoa T (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

07852593

ABSTRACT:
According to one embodiment, a servo-writing method for use in a disk drive, in which a CPU causes a head to record final patterns in a disk, by using the multi spiral servo pattern recorded in the disk. The CPU uses a designated spiral servo pattern, positioning the head at a target position, so that the head may write the final patterns at the target position and may read sector-address data contained in the final patterns.

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patent: 2009/0067084 (2009-03-01), Lau et al.
patent: 2000-057581 (2000-02-01), None

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