Magneto-resistance effect element and sensor

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United States of America Patent

PATENT NO 8786280
APP PUB NO 20110025322A1
SERIAL NO

12845992

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Abstract

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A magneto-resistance effect element for a sensor to sense a variation in externally applied magnetism includes a pinned layer having a fixed magnetization direction, a free layer having a magnetization direction which varies in response to an external magnetic field, and an intermediate layer provided between the pinned layer and the free layer. The pinned layer has a planar shape which is long in the fixed magnetization direction and which is short in a direction orthogonal to the fixed magnetization direction. Moreover, the pinned layer preferably has a planar shape in which the pinned layer is divided into a plurality of sections.

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Patent Owner(s)

  • TDK CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirabayashi, Hiraku Tokyo, JP 149 733
Ohta, Naoki Tokyo, JP 109 550
Yamazaki, Hiroshi Tokyo, JP 468 4441

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