Temperature sensor in a thermally assisted magnetic recording head
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United States of America Patent
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May 28, 2013
Grant Date -
May 2, 2013
app pub date -
Oct 31, 2011
filing date -
Oct 31, 2011
priority date (Note) -
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Abstract
A method and apparatus for providing a signal for driving a heating element in a TAR or HAMR enabled disk storage system that includes an optical transducer (or near-field optical source) for further focusing the beamspot of a laser onto a magnetic media, thereby heating the media. The storage system includes a temperature sensor proximate to the near-field transducer which provides a feedback loop to the laser driver to adjust the power of the laser.
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