公开(公告)号：US20160313409A1

公开(公告)日：2016-10-27

申请号：US15093905

申请日：2016-04-08

Applicant: ALPS ELECTRIC CO., LTD.

Inventor： Hiroaki ENDO ,  Hideto ANDO ,  Sumihito MORITA ,  Takafumi NOGUCHI

IPC: G01R33/09

CPC classification number: G01R33/09 ,  G01N27/902 ,  G01N27/9033

Abstract: A magnetic sensor includes a substrate, magnetoresistive effect elements arranged on a surface of the substrate, a first wiring line arranged on a surface of the substrate, an insulation layer configured to cover the magnetoresistive effect elements and the first wiring line, a soft magnetic body arranged on the insulation layer, and a second wiring line arranged on the insulation layer, wherein the magnetoresistive effect elements each extend in a first direction and are arranged while being separated from each other in a second direction orthogonal to the first direction in a case of viewing in plan the substrate, the soft magnetic body includes a first direction extension portion that extends in the first direction, and when viewed in plan, the first direction extension portion is arranged between the magnetoresistive effect elements, and the second wiring line is connected to the first wiring line.

Abstract translation: 磁传感器包括基板，布置在基板的表面上的磁阻效应元件，布置在基板的表面上的第一布线，被配置为覆盖磁阻效应元件和第一布线的绝缘层，软磁体 布置在所述绝缘层上的第二布线和布置在所述绝缘层上的第二布线，其中所述磁阻效应元件在第一方向上各自延伸并且在与第一方向正交的第二方向上彼此分离的情况下 软磁体包括在第一方向上延伸的第一方向延伸部分，并且当在平面图中观察时，第一方向延伸部分布置在磁阻效应元件之间，并且第二布线连接到 第一条接线。

公开(公告)号：US20170276739A1

公开(公告)日：2017-09-28

申请号：US15433849

申请日：2017-02-15

Applicant: Alps Electric Co., Ltd.

Inventor： Masayuki OBANA ,  Hideto ANDO ,  Yuki IMAI ,  Kunio YAMANAKA ,  Kyoko HOTTA ,  Akira MIYATAKE ,  Toshihiro KOBAYASHI ,  Kenichiro IKEDA ,  Takafumi NOGUCHI

IPC: G01R33/09 ,  G01C21/08

CPC classification number: G01R33/091 ,  G01C21/08 ,  G01R33/0011

Abstract: A magnetic sensor including a first magneto resistive effect element located on a first surface of a substrate and having a sensitivity axis in a first direction that is one of in-plane directions of the first surface, a positioning soft magnetic body including a first most proximal portion of which a relative position with respect to the magneto resistive effect element is defined, and provided in a non-contact manner with respect to the first magneto resistive effect element, and a first soft magnetic body and a second soft magnetic body juxtaposed in the first direction and extending in a direction away from the first surface, and each of the first soft magnetic body and the second soft magnetic body is magnetically connected to the positioning soft magnetic body.

公开(公告)号：US20150061654A1

公开(公告)日：2015-03-05

申请号：US14296906

申请日：2014-06-05

Applicant: ALPS ELECTRIC CO., LTD.

Inventor： Takashi ONODERA ,  Tokuo NAKAMURA ,  Takafumi NOGUCHI

IPC: G01B7/30 ,  G01R33/09

CPC classification number: G01B7/30 ,  B60T7/042 ,  G01D5/145 ,  G01R33/091

Abstract: A rod-shaped magnet is mounted on a rotating unit. The rod-shaped magnet has end surfaces which are oriented in a rotating direction and are magnetized to different magnetic poles. An angle detecting unit including magnetoresistive elements is disposed so as to be offset in a radial direction of a revolution path of the magnet from the revolution path and is configured to detect a change in angle of rotation of the rotating unit by detecting a leakage magnetic field in the vicinity of a side surface of the magnet. Two position detecting units each include magnetoresistive elements and are configured to detect a change in orientation of a magnetic field in the direction of a tangent to the revolution path when facing the rod-shaped magnet and produce a switch output.

Abstract translation: 棒状磁体安装在旋转单元上。 棒状磁体具有沿旋转方向取向并被磁化到不同磁极的端面。 包括磁阻元件的角度检测单元被设置为沿着磁体从旋转路径的旋转路径的径向方向偏移，并且被配置为通过检测泄漏磁场来检测旋转单元的旋转角度的变化 在磁铁的侧面附近。 两个位置检测单元各自包括磁阻元件，并且被配置为在面向杆状磁体时检测在旋转路径的切线方向上的磁场取向的变化并产生开关输出。