Method of and apparatus for controlling data storage system...

Details Method of and apparatus for controlling data storage system... Method of and apparatus for controlling data storage system...

2006-10-03

2006-10-03

Tu, Christine T. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error count or rate

C360S053000

Reexamination Certificate

active

07117399

ABSTRACT:
A method of and an apparatus for controlling a data storage system according to a temperature which thermally expands a write head pole tip of a write head includes supplying the write head with a predetermined warming current in a low temperature environment, so as to prevent a degradation of a writing characteristic of a signal in an initial writing stage. Therefore, errors due to a degradation of a signal level written in a sector of an initial writing mode do not occur by performing a warming write using the predetermined warming current so that data existing in a storage system before performing a writing mode is not erased, and by sufficiently thermally expanding the write head pole tip of the write head until a saturation state before writing starts.

REFERENCES:
patent: 5790334 (1998-08-01), Cunningham
patent: 6574061 (2003-06-01), Ling et al.
patent: 6754035 (2004-06-01), Rose et al.
patent: 07-085409 (1995-03-01), None
patent: 2001-057010 (2001-02-01), None

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