Tdk Corporation

Mitsubishi Electric Corporation

Mitsubishi Electric Research Laboratories, Inc.

Mitsubishi Electric Cornoration

Kenzo Makino

Hiraku Hirabayashi

Norikazu Ota

Satoshi Miura

Hirokazu Takahashi

Hiromichi Umehara

Masachika Hashino

Takahiko Machita

Wataru Tsujita

Takekazu Yamane

Naomichi Degawa

Takumi Yanagisawa

Takafumi Kobayashi

Takayasu Kanaya

Keita Kawamori

Yasushi Nishioka

Shohei Kawasaki

Masashi Sano

Tatsuo Fujimoto

Shuhei Miyazaki

Minoru Ota

Keisuke Takasugi

Junji Hori

Tatsuji Irie

Nobuyoshi Tomomatsu

Yoshikazu Sawada

Taiga Tanaka

Kosuke Tanaka

Daisuke Miyauchi

Masaya Inoue

Atsushi Yamaguchi

Keisuke Uchida

Tsuyoshi Umehara

Hideaki Arita

Yoshitsugu Sawa

Suguru Watanabe

Soji Koide

Tetsuya Hiraki

Hideyuki Ukita

Hidekazu Kojima

Takuma Kusagaki

Kenta Hamamoto

Makoto Sato

Hiroshi Yamazaki

Masanori Sakai

Kazuya Watanabe

Hiroshi Araki

Naoki Ohta

Yoshihiro Miyama

Hiroshi Kiyono

Bingnan Wang

Norio Takahashi

Katsuki Kurihara

Yosuke Antoku

Hisayoshi Watanabe

Shingo Miyata

Atsushi Takami

Tomoaki Takewa

Tomohira Takahashi

Takafumi Nagano

Katsunori Tsuchida

Daisuke Koshino

Shuji Okame

A magnetic sensor includes an insulating layer including a protruding surface, a first MR element, and a second MR element. The first MR element is disposed on a first inclined surface of the protruding surface. The second MR element is disposed on a second inclined surface of the protruding surface. The protruding surface includes first to third curved surface portions. Each of the second and third curved surface portions is a curved surface protruding in a direction closer to the top surface of the substrate.

Sensor

A magnetic field detection apparatus includes a magnetoresistive effect element and a helical coil. The magnetoresistive effect element includes a magnetoresistive effect film extending in a first axis direction. The helical coil includes a parallel connection including first and second parts extending in a second axis direction inclined with respect to the first axis direction. The first and second parts are adjacent to each other in a third axis direction and coupled to each other in parallel. The helical coil is wound around the magnetoresistive effect element while extending along the third axis direction. The magnetoresistive effect film overlaps the first and second parts in a fourth axis direction orthogonal to the second and third axis directions. The helical coil is configured to be supplied with a current and thereby configured to generate an induction magnetic field to be applied to the magnetoresistive effect film in the third axis direction.

Magnetic field detection apparatus and current detection apparatus

A magnetic sensor includes an MR element and a support member. The support member has an opposed surface including a first inclined portion, and a bottom surface. In a given cross section, the first inclined portion is inclined at a first angle at a first position, and inclined at a second angle smaller than the first angle at a second position. The absolute value of a curvature of the first inclined portion at the first position is less than the absolute value of the curvature of the first inclined portion at the second position. The MR element is provided on the first inclined portion so that the first edge is located above the first position in a given cross section.

Magnetic sensor including electrode disposed on inclined portion whose curvature changes

A magnetic field detection apparatus includes a substrate, first and second projections, first and second MR films, and first and second wiring lines. The first and second projections are provided on a flat surface of the substrate and each include first and second inclined surfaces. The first and second MR films are provided on the first and second inclined surfaces, respectively. The first wiring line couples the first MR film on the first inclined surface of the first projection and the first MR film on the first inclined surface of the second projection to each other. The second wiring line couples the second MR film on the second inclined surface of the first projection and the second MR film on the second inclined surface of the second projection to each other. The first and second wiring lines intersect on the first inclined surface, the second inclined surface, or both.

Magnetic field detection apparatus

A magnetic field detection apparatus includes a magnetoresistive effect element and a coil. The coil includes first and second tier parts opposed to each other in a first axis direction, with the magnetoresistive effect element interposed therebetween. The coil is configured to be supplied with a current and thereby configured to generate an induction magnetic field to be applied to the magnetoresistive effect element in a second axis direction. The first tier part includes first conductors extending in a third axis direction, arranged in the second axis direction and coupled in parallel to each other. The second tier part includes a second conductor or second conductors extending in the third axis direction, the second conductors being arranged in the second axis direction and coupled in parallel to each other. The first conductors each have a width smaller than a width of the second conductor or each of the second conductors.

A magnetic field detection apparatus includes a magnetoresistive effect element and a conductor. The magnetoresistive effect element includes a magnetoresistive effect film extending in a first axis direction and including a first end part, a second end part, and an intermediate part between the first and second end parts. The conductor includes a first part and a second part that each extend in a second axis direction inclined with respect to the first axis direction. The conductor is configured to be supplied with a current and thereby configured to generate an induction magnetic field to be applied to the magnetoresistive effect film in a third axis direction orthogonal to the second axis direction. The first part and the second part respectively overlap the first end part and the second end part in a fourth axis direction orthogonal to both of the second axis direction and the third axis direction.

A magnetic sensor includes an insulating layer including a protruding surface, a first MR element, and a second MR element. The protruding surface includes a first curved surface portion. The first curved surface portion includes a first portion including an upper end portion of the protruding surface, and a second portion continuous with the first portion at a position away from the upper end portion of the protruding surface. When the shape of the protruding surface is regarded as a function Z, the mean value of the absolute value of a second derivative Z″ of the function Z corresponding to the first portion is smaller than the mean value of the absolute value of the second derivative Z″ of the function Z corresponding to the second portion.

Sensor having protruding surface

A magnetic sensor includes an insulating layer, a first MR element, and a second MR element. The insulating layer includes a protruding surface including first and second inclined surfaces. Each of the first and second MR elements includes a magnetization pinned layer and a free layer. The magnetization pinned layer and the free layer of the first MR element are disposed on the first inclined surface. The magnetization pinned layer and the free layer of the second MR element are disposed on the second inclined surface. The dimension of the protruding surface in a direction parallel to the Z direction is in the range of 1.4 μm to 3.0 μm.

A magnetic sensor includes a substrate including a top surface; an insulating layer disposed on the substrate, the insulating layer including first and second inclined surfaces each inclined with respect to the top surface of the substrate; and an MR element. The MR element is disposed on the first inclined surface or the second inclined surface. The MR element includes a first side surface including a first portion and a second portion, the first portion and the second portion having different angles with respect to the first inclined surface or the second inclined surface.

Magnetic sensor including magnetic detection element disposed on inclined surface

The objective is to improve driving feeling at a time of acceleration operation or deceleration operation, by recognizing driver's intention of acceleration or deceleration during straight-ahead running. A driving-assistance control apparatus according to the present disclosure includes

Driving-assistance control apparatus

A magnetic sensor includes an insulating layer, a first MR element, and a second MR element. The insulating layer includes a first layer and a second layer, and also includes first and second inclined surfaces formed across the first layer and the second layer. Each of the first and second MR elements includes a magnetization pinned layer and a free layer. The magnetization pinned layer and the free layer of the first MR element are disposed on the first inclined surface. The magnetization pinned layer and the free layer of the second MR element are disposed on the second inclined surface.

Sensor including at least one inclined surface

A magnetic sensor includes a first path and a second path, a plurality of structures, and a plurality of first electrodes and a plurality of second electrodes. The first path includes at least one first array. The second path includes at least one second array. The at least one first array and the at least one second array are disposed so that they are arranged in a first direction. The at least one first array and the at least one second array each include an odd number of structures disposed so that they are arranged in a second direction.

Magnetic sensor and magnetic sensor system

A magnetic sensor includes an MR element. The MR element includes a free layer. The free layer has a first surface having a shape that is long in one direction and a second surface located opposite the first surface, and has a thickness that is a dimension in a direction perpendicular to the first surface. The first surface has a first edge and a second edge located at both lateral ends of the first surface. In a given cross section, the thickness at the first edge is smaller than the thickness at a predetermined point on the first surface between the first edge and the second edge.

Magnetic sensor

A magnetic sensor device includes a first chip including a first magnetic sensor, a second chip including a second magnetic sensor and a third magnetic sensor, and a support having a reference plane. The first magnetic sensor includes at least one first magnetic detection element, and detects a first component of an external magnetic field. The second magnetic sensor includes at least one second magnetic detection element, and detects a second component of the external magnetic field. The third magnetic sensor includes at least one third magnetic detection element, and detects a third component of the external magnetic field. The first chip and the second chip are mounted on the reference plane.

Magnetic sensor device and magnetic sensor system

A magnetic sensor includes a first insulating layer, a second insulating layer, a third insulating layer, a lower coil element located on an opposite side of the first insulating layer from the second insulating layer, and a second MR element. The second MR element includes a magnetization pinned layer and a free layer. The magnetization pinned layer and the free layer are located on an opposite side of the third insulating layer from the second insulating layer. The first and third insulating layers each contain a first insulating material. The second insulating layer contains a second insulating material.

Sensor including a plurality of insulating layers made of different insulating materials

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Tokyo, Japan

Kenzo Makino