公开(公告)号：US20250107262A1

公开(公告)日：2025-03-27

申请号：US18797588

申请日：2024-08-08

Applicant: TDK Corporation

Inventor： Maiko KOKUBO ,  Shinji HARA ,  Naoki OHTA ,  Susumu AOKI

IPC: H01L27/146

Abstract: Electronic device member comprises a first substrate, at least one protruding portion that protrudes from the first substrate, and a solder layer, wherein the at least one protruding portion includes at least one side surface, a tip surface, and a connection portion between the at least one side surface and the tip surface, and wherein the solder layer is in contact with the tip surface. At the connection portion, the at least one side surface and the tip surface form obtuse angle.

公开(公告)号：US20240035893A1

公开(公告)日：2024-02-01

申请号：US18344358

申请日：2023-06-29

Applicant: TDK CORPORATION

Inventor： Tadao SENRIUCHI ,  Naoki OHTA ,  Kazuya MAEKAWA ,  Susumu AOKI ,  Maiko KOKUBO ,  Yusuke KIMOTO ,  Shinji HARA

IPC: G01J5/14 ,  G01J5/22 ,  G01L1/22 ,  G01N22/00 ,  H03F3/45

CPC classification number: G01J5/14 ,  G01J5/22 ,  G01L1/22 ,  G01N22/00 ,  H03F3/45071

Abstract: An element array circuit includes one or more first wiring lines, second wiring lines, impedance elements, one or more operational amplifiers, one or more conversion elements, and one or more switchers. The second wiring lines each extend in a direction different from a direction of extension of the first wiring lines. The impedance elements are each coupled to one each of the first and second wiring lines. The operational amplifiers each include a positive input terminal, a negative input terminal couplable to one of the second wiring lines, and an output terminal. The conversion elements are each coupled to the negative input terminal and the output terminal, and each convert a current flowing through the second wiring line coupled to the negative input terminal into a voltage. The switchers are each coupled to one of the conversion elements and come into a conducting state or a nonconducting state.

公开(公告)号：US20230064502A1

公开(公告)日：2023-03-02

申请号：US17890589

申请日：2022-08-18

Applicant: TDK CORPORATION

Inventor： Susumu AOKI ,  Shinji HARA ,  Naoki OHTA ,  Kazuya MAEKAWA ,  Maiko SHIROKAWA

IPC: G01J5/20

Abstract: The present invention includes an electromagnetic wave detector, and a pair of arm portions and that are positioned on both sides with the electromagnetic wave detector interposed therebetween. The electromagnetic wave detector includes a temperature detection element, and electromagnetic wave absorbers which cover at least a part of the temperature detection element. Each of the arm portions includes a conductor layer which is in a line shape and electrically connected to the temperature detection element, and dielectric layers which are disposed on both sides of the conductor layer. In a short direction of the dielectric layers in a plan view, the conductor layer has a shape protruding outward beyond both end portions of the dielectric layers in the short direction.

公开(公告)号：US20230055177A1

公开(公告)日：2023-02-23

申请号：US17889149

申请日：2022-08-16

Applicant: TDK CORPORATION

Inventor： Shinji HARA ,  Naoki OHTA ,  Kazuya MAEKAWA ,  Susumu AOKI ,  Maiko SHIROKAWA

IPC: G01J5/10 ,  G01J5/08

Abstract: An electromagnetic wave sensor has electromagnetic wave absorbers disposed side by side in first and second directions, temperature detection portions held by the respective electromagnetic wave absorbers and sets of two arm portions connected to each of the electromagnetic wave absorbers at two connection portions. In a plan view, the arm portions have two first extending portions extending from the connection portions in directions of which components in the second direction are opposite to each other, and two second extending portions extending from the first extending portions in directions of which components in the first direction are opposite to each other. Four sides of a rectangle circumscribing each of the electromagnetic wave absorbers with a smallest area are inclined with respect to the first direction in directions in which each of the electromagnetic wave absorbers approaches the second extending portions with the connection portions as fulcrums.

公开(公告)号：US20190252749A1

公开(公告)日：2019-08-15

申请号：US16262358

申请日：2019-01-30

Applicant: TDK CORPORATION

Inventor： Tsuyoshi SUZUKI ,  Shinji HARA

IPC: H01P1/218

Abstract: A magnetoresistance effect device includes first and second ports, first and second circuit units, and reference potential and DC applying terminals. The first and second circuit units respectively include first and second magnetoresistance effect elements and first and second conductors. In the second conductor, the positional relationship between first and second end faces respectively on the first and opposite conductor sides in the first magnetoresistance effect element with respect to a flowing direction of a direct current flowing inside the first magnetoresistance effect element and the positional relationship between first and second end faces respectively on the second and opposite conductor sides in the second magnetoresistance effect element with respect to a flowing direction of a direct current flowing in the second magnetoresistance effect element are opposite each other. The relative angle between the first and second circuit units in a predetermined cross product direction is 90 degrees or less.

公开(公告)号：US20240210249A1

公开(公告)日：2024-06-27

申请号：US18387883

申请日：2023-11-08

Applicant: TDK CORPORATION

Inventor： Shinji HARA ,  Naoki OHTA ,  Tadao SENRIUCHI ,  Susumu AOKI ,  Kazuya MAEKAWA ,  Maiko KOKUBO ,  Yusuke KIMOTO

IPC: G01J5/22 ,  G01J5/08

CPC classification number: G01J5/22 ,  G01J5/0853

Abstract: The electromagnetic wave sensor includes: a first substrate; a first wire which extends in a first direction parallel to a substrate surface of the first substrate in a plan view from a direction perpendicular to the substrate surface; a second wire which extends in a direction parallel to the substrate surface and different from the first direction in the plan view; and an electromagnetic wave detector which is electrically connected to the first wire and is electrically connected to the second wire, wherein the first wire is located on the first substrate side in relation to the electromagnetic wave detector in a third direction orthogonal to the first direction and the second direction and the second wire is located on a side opposite to the first substrate in relation to the electromagnetic wave detector in the third direction.

公开(公告)号：US20230296443A1

公开(公告)日：2023-09-21

申请号：US18180297

申请日：2023-03-08

Applicant: TDK Corporation

Inventor： Naoki OHTA ,  Shinji HARA ,  Susumu AOKI ,  Maiko KOKUBO ,  Kazuya MAEKAWA ,  Tadao SENRIUCHI

IPC: G01J5/20

CPC classification number: G01J5/20 ,  G01J2005/202

Abstract: Electromagnetic wave sensor (infrared sensor) 1 has: a first substrate; a second substrate that faces the first substrate and that allows infrared rays to pass through at least a part of the second substrate; first circumferential wall 4a that is positioned between the first substrate and the second substrate and that forms first space 8a together with the first and second substrates; bolometer structures 7 that are provided in first space 8a; first measuring element 9a that is provided in first space 8a and that is used for taking a first measurement relating to pressure P1 in first space 8a; and a monitoring portion. The monitoring portion acquires the first measurement that is taken using first measuring element 9a and outputs a predetermined signal indicating an abnormality based on at least the first measurement.

公开(公告)号：US20220181050A1

公开(公告)日：2022-06-09

申请号：US17539480

申请日：2021-12-01

Applicant: TDK CORPORATION

Inventor： Susumu AOKI ,  Shinji HARA ,  Naoki OHTA ,  Maiko SHIROKAWA ,  Eiji KOMURA

IPC: H01C7/00 ,  H01C7/04 ,  H01C1/14

Abstract: A thermistor element includes: a thermistor film; a first electrode provided in contact with one surface of the thermistor film; and a pair of second electrodes provided in contact with an other surface of the thermistor film, wherein the thermistor film is provided to cover a periphery of the first electrode.

公开(公告)号：US20220178759A1

公开(公告)日：2022-06-09

申请号：US17540004

申请日：2021-12-01

Applicant: TDK CORPORATION

Inventor： Maiko SHIROKAWA ,  Shinji HARA ,  Naoki OHTA ,  Susumu AOKI ,  Eiji KOMURA

IPC: G01J5/22 ,  G01J5/0831

Abstract: A thermistor element includes a thermistor film, a first electrode provided in contact with one surface of the thermistor film, and a pair of second electrodes provided in contact with the other surface of the thermistor film, wherein the thermistor film includes an oxide having a spinel crystal structure and having a [111] preferred orientation in a film thickness direction.

公开(公告)号：US20190228894A1

公开(公告)日：2019-07-25

申请号：US16235089

申请日：2018-12-28

Applicant: TDK CORPORATION

Inventor： Shinji HARA ,  Akimasa KAIZU

IPC: H01F10/32 ,  H01F41/32 ,  H03H11/04 ,  H03H11/16 ,  H03F15/00 ,  H01L43/02 ,  H01L43/10 ,  H01L43/12

Abstract: The magnetoresistance effect device includes: a magnetoresistance effect element that includes a first magnetization free layer, a magnetization fixed layer or a second magnetization free layer, and a spacer layer interposed between the first magnetization free layer and the magnetization fixed layer or the second magnetization free layer; and a magnetic material part that applies a magnetic field to the magnetoresistance effect element, wherein the magnetic material part is arranged to surround an outer circumference of the magnetoresistance effect element in a plan view in a stacking direction L of the magnetoresistance effect element.