Method of eliminating wiggle noise for a disk driving/recording

Details Method of eliminating wiggle noise for a disk driving/recording Method of eliminating wiggle noise for a disk driving/recording

1997-09-25

2000-05-30

Hindi, Nabil

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360 7708, G11B 503, G11B 5596

Patent

active

060697601

ABSTRACT:
A method of eliminating a wiggle noise generated by a data write current applied to a thin-film head during a data write operation in a disk drive storage apparatus having a storage medium on which data is recorded, the method comprising the step of: on occurrence of any read error owing to the wiggle noise, causing the head to perform a dummy write operation onto a given one of one or more intersector gap intervals in a corresponding track on the storage medium; and retrying a data read operation, subsequent to searching a target sector, the data read operation being repeated by predetermined retry times if the read error is continuously detected on the data read operation.

REFERENCES:
patent: 5053892 (1991-10-01), Supino, Jr. et al.
patent: 5187860 (1993-02-01), Horibata et al.
patent: 5276564 (1994-01-01), Hessing et al.
patent: 5392169 (1995-02-01), Argyle et al.
patent: 5623378 (1997-04-01), Shibasaki et al.
patent: 5682272 (1997-10-01), Taroda et al.

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