Fly height compensation using temperature and non-repeatable runouts
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United States of America Patent
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Mar 31, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 29, 2007
filing date -
Mar 29, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A controller is provided having a circuit that uses non-repeatable run-out data and temperature data to provide a compensation for a fly height of a head. A disk drive may also be provided having a head for reading data from a disk, a thermistor, and a controller for controlling a fly height of the head based on temperature data obtained from the thermistor to refine a pressure determination. A method can include estimating a first pressure by the use of non-repeatable run-out data and temperature data corresponding to a disk drive.
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