Magnetic sensor annealing using a rocking field
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United States of America Patent
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Sep 29, 2015
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May 30, 2014
filing date -
May 30, 2014
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Abstract
Implementations disclosed herein provide a method comprising rocking an effective annealing magnetic field between a first positive angle and a second negative angle compared to a desired pinning field orientation in an AFM/PL structure, wherein an angular amplitude of rocking the effective annealing magnetic field between a first positive angle and a second negative angle gradually decreases towards the desired orientation of pinning in the AFM/PL structure.
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