公开(公告)号：US11815570B2

公开(公告)日：2023-11-14

申请号：US17019652

申请日：2020-09-14

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hitoshi Iwasaki ,  Akira Kikitsu ,  Yoshihiro Higashi ,  Satoshi Shirotori

IPC: G01R33/09

CPC classification number: G01R33/093 ,  G01R33/098

Abstract: According to one embodiment, a magnetic sensor includes a first magnetic part, a first magnetic member, a second magnetic part, a second magnetic member, a first element, a second element, a third element, a fourth element, and a first interconnect. The first magnetic part includes first, second, and third portions. The first portion is between the second and third portions. The second magnetic part includes fourth, fifth, and sixth portions. The fourth portion is between the fifth and sixth portions. The first element includes a first magnetic layer. The second element includes a second magnetic layer. The third element includes a third magnetic layer. The fourth element includes a fourth magnetic layer. The first interconnect includes first and second interconnect portions.

公开(公告)号：US11789096B2

公开(公告)日：2023-10-17

申请号：US17875044

申请日：2022-07-27

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Akira Kikitsu ,  Yoshihiro Higashi ,  Satoshi Shirotori

IPC: G01R33/09 ,  H01F7/02

CPC classification number: G01R33/09 ,  H01F7/02

Abstract: According to one embodiment, a sensor includes a first element. The first element includes first and second magnetic members, an insulating member, first and second wirings, a first magnetic element, and a first conductive member. The second magnetic member is separated from the first magnetic member. The insulating member includes a first insulating region. The first insulating region is provided between the first and second magnetic members. The first wiring includes a first connecting region. The second wiring includes a second connecting region. The first magnetic element includes a first magnetic layer and a first opposed magnetic layer. The first magnetic element includes first to fifth partial regions. The first partial region is between the fourth and fifth partial regions. The second partial region is between the fourth and first partial region. The third partial region is between the first and fifth partial regions.

公开(公告)号：US11759118B2

公开(公告)日：2023-09-19

申请号：US17444987

申请日：2021-08-12

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hitoshi Iwasaki ,  Satoshi Shirotori ,  Akira Kikitsu ,  Yoshihiro Higashi

IPC: G01R33/00 ,  A61B5/05 ,  G01N27/72 ,  A61B5/245 ,  G01R33/09

CPC classification number: A61B5/05 ,  A61B5/245 ,  G01N27/72 ,  G01R33/0094 ,  G01R33/093 ,  A61B2562/0223

Abstract: According to one embodiment, a magnetic sensor includes a first sensor part, and a conductive member. The first sensor part includes a first magnetic element, a first side magnetic part, and a first counter side magnetic part. The conductive member includes a first corresponding portion along the first magnetic element. The first magnetic element includes a first magnetic layer, a first counter magnetic layer, a direction from the first magnetic layer toward the first counter magnetic layer being along a first direction, and a first intermediate magnetic layer located between the first magnetic layer and the first counter magnetic layer. The first side magnetic part includes a first side magnetic layer. The first counter side magnetic part includes a first counter side magnetic layer. The first intermediate magnetic layer is between the first side magnetic layer and the first counter side magnetic layer in a second direction.

公开(公告)号：US11513173B2

公开(公告)日：2022-11-29

申请号：US17410717

申请日：2021-08-24

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Akira Kikitsu ,  Satoshi Shirotori ,  Yoshihiro Higashi ,  Yoshinari Kurosaki ,  Hitoshi Iwasaki

IPC: G01R33/00 ,  G01R33/09

Abstract: According to one embodiment, a magnetic sensor includes a base body, a magnetic member, and an element part. The base body includes a base body end portion. A direction from the base body toward the magnetic member is along a first direction. The element part includes a first magnetic element and a second magnetic element. A position of the first magnetic element and a position of the second magnetic element in a second direction are between a position of the base body end portion in the second direction and a position of the magnetic member in the second direction. The second direction crosses the first direction. A first distance along the second direction between the base body end portion and the element part is greater than a second distance along the second direction between the element part and the magnetic member.

公开(公告)号：US11493572B2

公开(公告)日：2022-11-08

申请号：US17017431

申请日：2020-09-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yoshihiro Higashi ,  Akira Kikitsu ,  Satoshi Shirotori ,  Hitoshi Iwasaki ,  Yoshinari Kurosaki

IPC: G01R33/09

Abstract: According to one embodiment, a magnetic sensor includes a first conductive part circuit, an alternating current circuit part, a first direct current circuit part, and a first element. The first conductive part circuit includes a first conductive part including a first conductive part end portion and a first conductive part other-end portion, and a first alternating current transfer element electrically connected in series with the first conductive part. The first conductive part circuit includes a first circuit end portion and a first circuit other-end portion. The alternating current circuit part is configured to apply an alternating current voltage between the first circuit end portion and the first circuit other-end portion. The first direct current circuit part is configured to apply a first direct current voltage to the first conductive part end portion and the first conductive part other-end portion. The first element includes a first magnetic layer.

公开(公告)号：US10883815B2

公开(公告)日：2021-01-05

申请号：US16281192

申请日：2019-02-21

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yoshihiko Fuji ,  Yoshihiro Higashi ,  Michiko Hara ,  Kazuaki Okamoto ,  Shotaro Baba

IPC: G01B7/14 ,  G01B7/24 ,  G01L1/12 ,  H01F1/00 ,  H01L41/12

Abstract: According to one embodiment, a sensor includes a film portion, one or more detectors fixed to the film portion, and a processor. The detector includes first and second detecting elements. The first detecting element includes a first magnetic layer. The second detecting element includes a second magnetic layer. A first change rate of a first signal is higher than a second change rate of the first signal. The first signal corresponds to a first electrical resistance of the first detecting element. A change rate of a second signal with respect to the change of the magnitude of the strain is higher than the second change rate. The second signal corresponds to a second electrical resistance of the second detecting element. The processor is configured to perform at least a first operation of outputting a second value. The second value is based on the second signal and a first value.

公开(公告)号：US20200041363A1

公开(公告)日：2020-02-06

申请号：US16276656

申请日：2019-02-15

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Shotaro BABA ,  Yoshihiko Fuji ,  Kazuaki Okamoto ,  Shiori Kaji ,  Tomohiko Nagata ,  Yoshihiro Higashi ,  Akiko Yuzawa ,  Michiko Hara

IPC: G01L1/12 ,  H04R1/08 ,  H01L41/12 ,  H01F1/00

Abstract: According to one embodiment, a sensor includes a supporter, a film portion, a first element, and a first magnetic portion. The supporter includes a first support portion and a second support portion. The film portion includes a first partial region supported by the first support portion. The first element is provided at the first partial region. The first element includes a first electrode region, a first opposing electrode region, and a first magnetic layer provided between the first electrode region and the first opposing electrode region. A direction from the second support portion toward the first magnetic portion is aligned with a first direction. The first direction is from the first opposing electrode region toward the first electrode region. At least a portion of the first magnetic portion overlaps at least a portion of the first element in a direction crossing the first direction.

公开(公告)号：US10473685B2

公开(公告)日：2019-11-12

申请号：US15445748

申请日：2017-02-28

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yoshihiko Fuji ,  Michiko Hara ,  Kei Masunishi ,  Yoshihiro Higashi ,  Shiori Kaji ,  Akiko Yuzawa ,  Tomohiko Nagata ,  Kenji Otsu ,  Kazuaki Okamoto ,  Shotaro Baba

IPC: G01C19/5607 ,  G01P15/09 ,  G01P15/105 ,  G01P3/44

Abstract: According to one embodiment, a sensor includes a first support portion, a first movable portion, a first piezoelectric element, and a first magnetic element. The first movable portion extends in a first extension direction and is connected to the first support portion. The first piezoelectric element is fixed to the first movable portion. The first piezoelectric element includes a first electrode, a second electrode provided between the first electrode and the first movable portion, and a first piezoelectric layer provided between the first electrode and the second electrode. The first magnetic element is fixed to the first movable portion. The first magnetic element includes a first magnetic layer, a second magnetic layer, and a first intermediate layer provided between the first magnetic layer and the second magnetic layer.

公开(公告)号：US10254305B2

公开(公告)日：2019-04-09

申请号：US15724385

申请日：2017-10-04

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hideaki Fukuzawa ,  Michiko Hara ,  Yoshihiko Fuji ,  Yoshihiro Higashi ,  Shiori Kaji ,  Akio Hori ,  Tomohiko Nagata ,  Akiko Yuzawa ,  Akira Kikitsu

IPC: G01P15/105 ,  G01P15/08

Abstract: An inertial sensor includes a base portion, a weight portion, a connection portion, and a first sensing element unit. The connection portion connects the weight portion and the base portion and is capable of being deformed in accordance with a change in relative position of the weight portion with respect to the position of the base portion. The first sensing element unit is provided on a first portion of the connection portion and includes a first magnetic layer, a second magnetic layer, and a nonmagnetic first intermediate layer. The nonmagnetic first intermediate layer is provided between the first magnetic layer and the second magnetic layer.

公开(公告)号：US10206654B2

公开(公告)日：2019-02-19

申请号：US15254377

申请日：2016-09-01

Applicant: Kabushiki Kaisha Toshiba

Inventor： Kei Masunishi ,  Akiko Yuzawa ,  Yoshihiko Fuji ,  Michiko Hara ,  Yoshihiro Higashi ,  Kazuaki Okamoto ,  Kenji Otsu

IPC: A61B8/00 ,  A61B5/021 ,  G06F3/041 ,  G01L9/00 ,  H04R15/00

Abstract: A pressure sensor of an embodiment includes a support portion, a transformable membrane part and a sensor portion. The membrane part includes an end portion supported by the support portion, and a first area and a second area. The first area is positioned between a center of the membrane part and the end portion and has a first rigidity. The second area is positioned between the first area and the end portion, and has a second rigidity lower than the first rigidity. The sensor portion is provided at the first area and includes a first magnetic layer, a second magnetic layer and a first intermediate layer provided between the first magnetic layer and the second magnetic layer. An end-side distance between the first area and the end portion is shorter than a center-side distance between the second area and the center of the membrane part.