Microwave-assisted magnetic recording device and method of formation thereof
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United States of America Patent
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Apr 5, 2016
Grant Date -
May 9, 2013
app pub date -
Dec 21, 2012
filing date -
Feb 4, 2009
priority date (Note) -
In Force
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Abstract
A magnetic head, according to one embodiment, includes a magnetized high-speed rotor placed in the vicinity of a main magnetic pole, wherein the main magnetic pole generates a magnetized rotating magnetic field, wherein information is recorded by generating a high-frequency magnetic field from the magnetized high-speed rotor and switching the magnetic head between a magnetic resonance state and a magnetization state, and wherein the magnetic head has a structure such that leaking is reduced for magnetic fields applied parallel to a magnetized rotating surface of the magnetized high-speed rotor from the main magnetic pole. Additional systems and methods are also presented.
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