Formation of servo information and method for servo control therefor in disk drive data storage system
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United States of America Patent
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Aug 22, 2000
Grant Date -
N/A
app pub date -
Jun 5, 1997
filing date -
Jun 5, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A technique for the formation of servo information and its servo control capable of enlarging a total available area for data regions by reducing a servo region for servo information in a hard disk drive is used in a disk drive recording apparatus having at least one disk having tracks provided thereon with a plurality of servo sectors for recording the servo information and a plurality of data sectors, the servo sector and the data sectors each being arranged in sequence in a track of the disk in an alternate manner, and a transducer for reading out data from the data sectors as well as writing data onto the data sectors. The technique includes dividing a series of servo information into a plurality of subsections of servo information, the servo information being usable for positioning the transducer on a selected data sector in a target track, and respectively recording the divided subsections of servo information onto the same number of servo sectors as the number of the plurality of subsections.
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