Feed forward compensation for fly height control in a disk drive
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United States of America Patent
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Nov 23, 2010
Issued Date -
N/A
app pub date -
Jan 25, 2008
filing date -
Jan 25, 2008
priority date (Note) -
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Abstract
A method of selecting a dynamic fly height (DFH) control setting for a head in a disk drive is disclosed. The head is servoed over a disk, and a fly height measurement is generated for the head. A frequency component is extracted from the fly height measurement, and the DFH control setting for the head is adjusted in response to the extracted frequency component.
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