Method for optimizing skew of hard disk drive

Details Method for optimizing skew of hard disk drive Method for optimizing skew of hard disk drive

1996-08-26

1998-11-10

Edun, Muhammad N.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

369 54, 369 4432, G11B 500

Patent

active

058352996

ABSTRACT:
The skews in a hard disk drive are optimized by a method including the steps of: initializing a measurement position on a disk to obtain a skew value; initializing a skew table; moving a transducer head to a corresponding measurement position; obtaining an optimal value of track skew and cylinder skew; determining whether the current head position is a last measurement position; when the current head position is not the last measurement position, selecting the next measurement position and returning to the head moving step; and when the current head position is the last measurement position, storing the obtained optimal skew value in a predetermined area of said drive or a memory device. As a result, the time for reading and writing information from and to the disk is sharply reduced.

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