Magnetic head for microwave assisted magnetic recording
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United States of America Patent
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Jun 4, 2013
Grant Date -
Oct 4, 2012
app pub date -
Mar 31, 2011
filing date -
Mar 31, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic head that writes information to a recording medium includes a magnetic pole layer that generates a writing magnetic field to the recording medium, a microstripline that is disposed in proximity to the magnetic pole layer and to which high frequency current is applied, and a ferromagnetic thin film that is disposed on a portion of the microstripline that faces the recording medium, and that generates a high frequency alternate-current (AC) magnetic field to be applied to the recording medium, using a current magnetic field generated on the microstripline due to the high frequency current.
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