Adaptive HAMR power data storage device
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United States of America Patent
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Dec 27, 2016
Grant Date -
Sep 1, 2016
app pub date -
Feb 27, 2015
filing date -
Feb 27, 2015
priority date (Note) -
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Abstract
A data storage device may be configured with at least a heat assisted magnetic recording head that has a laser and is connected to a controller. The heat assisted magnetic recording head can be positioned proximal first and second data bits stored on an adjacent data storage medium. A first laser power may be applied by the laser in response to the first data bit being a different magnetic polarity than the second data bit and a different second laser power can be applied by the laser in response to the first and second data bits having a common magnetic polarity.
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