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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Aug 15, 2012
filing date -
Sep 2, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A current sensor includes a magnetoresistive element and magnetic shields arranged between a current line and the magnetoresistive element. The magnetic shields include a flat first magnetic shield placed so as to attenuate the strength of an induction magnetic field applied to the magnetoresistive element and a flat second magnetic shield placed apart from the first magnetic shield in a direction in-plane with the main surface of the first magnetic shield so as to attenuate the strength of the induction magnetic field applied to the magnetoresistive element and reduce the influence of residual magnetization in the first magnetic shield.
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