Thin film magnetic head including soft layer magnetically connected with shield
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United States of America Patent
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Jun 11, 2013
Grant Date -
Apr 12, 2012
app pub date -
Oct 8, 2010
filing date -
Oct 8, 2010
priority date (Note) -
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Abstract
A thin film magnetic head includes: a magneto resistance effect film of which electrical resistance varies corresponding to an external magnetic field; a pair of shields provided on both sides in a manner of sandwiching the MR film in a direction that is orthogonal to a film surface of the MR film; an anisotropy providing layer that provides exchange anisotropy to a first shield of the pair of shields in order to magnetize the first shield in a desired direction, and that is disposed on the opposite side from the MR film with respect to the first shield; and side shields that are disposed on both sides of the MR film in a track width direction and that include soft magnetic layers magnetically connected with the first shield.
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