FLY HEIGHT CONTROL USING WRITE VOLTAGE ADJUSTMENTS
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United States of America Patent
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Issued Date -
Jan 3, 2013
app pub date -
Jun 29, 2012
filing date -
Jun 30, 2011
priority date (Note) -
Abandoned
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Abstract
Apparatus and method for controlling a fly height of a transducer adjacent a recording surface by adjusting a write voltage magnitude. In accordance with some embodiments, a write voltage with an initial magnitude is applied to a transducer. A write voltage change interval and a write voltage change amount are selected. The magnitude of the applied write voltage is thereafter successively reduced by the write voltage change amount over each of a plurality of successive write voltage change intervals.
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