MAGNETIC SENSOR - ASAHI KASEI MICRODEVICES CORP

Title:

MAGNETIC SENSOR

Document Type and Number:

WIPO Patent Application WO/2016/010120

Kind Code:

A1

Abstract:

Disclosed is a magnetic sensor that accurately detects a magnetic field in three orthogonal directions by employing a GMR element or a TMR element. Provided is a magnetic sensor comprising: a first magnetic convergence part that extends in a first direction; a second magnetic convergence part that extends in the first direction, and that extends further in the first direction than a first end part of the first magnetic convergence part; a first magnetoresistive element that extends in the first direction between the first magnetic convergence part and the second magnetic convergence part in a planar view; and a first magnetic convergence member that is connected to the first end part side of the first magnetic convergence part, and that projects from the first end part toward the first magnetoresistive element side in a planar view or as viewed from the first direction.

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Inventors:

ISHIDA KAZUHIRO (JP)
WATANABE YOSHIHIKO (JP)

Application Number:

PCT/JP2015/070430

Publication Date:

January 21, 2016

Filing Date:

July 16, 2015

Export Citation:

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Assignee:

ASAHI KASEI MICRODEVICES CORP (JP)

International Classes:

G01R33/09; G01R33/02; H01L43/08

Domestic Patent References:

WO2012096132A1	2012-07-19
WO2013118498A1	2013-08-15
WO2014156108A1	2014-10-02

Attorney, Agent or Firm:

RYUKA IP LAW FIRM (JP)
Ryuka international patent business corporation (JP)

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