Method for detecting transient write errors in a disk drive

Details Method for detecting transient write errors in a disk drive Method for detecting transient write errors in a disk drive

1996-04-26

1996-12-24

Nguyen, Hoa T.

Excavating

371 671, 360 53, 369 54, 369 58, G11C 2900, G06F 702

Patent

active

055880070

ABSTRACT:
A method for reducing write errors in a disk drive system is presented. When the flying height of a read/write head above a disk surface becomes to great the signal strength diminishes and data write errors will occur. Often, these increases in flying height are transient. Flying height increases are determined by detecting servo mark and sector information read errors. Recently written data is verified after detection of flying height induced errors.

REFERENCES:
patent: 4398228 (1983-08-01), Bauck
patent: 4982295 (1991-01-01), Yakuwa et al.
patent: 5371638 (1994-12-01), Saliba
patent: 5377058 (1994-12-01), Good et al.
patent: 5465182 (1995-11-01), Ishikawa
patent: 5471351 (1995-11-01), Ishiguro

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