公开(公告)号：US20230023509A1

公开(公告)日：2023-01-26

申请号：US17650754

申请日：2022-02-11

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Isao TAKASU ,  Atsushi WADA ,  Kohei NAKAYAMA ,  Yuko NOMURA ,  Fumihiko AIGA

IPC: G01T1/20 ,  H01L27/30 ,  G01T7/00 ,  A44C5/00

Abstract: According to one embodiment, a radiation detector includes first and second resin members, a detection part, a wiring part, and a controller. The first resin member includes first and second partial regions, and a third partial region between the first and second partial regions. The second resin member includes fourth and fifth partial regions. The detection part is provided between the first and fourth partial regions. The detection part includes a first conductive layer, a second conductive layer provided between the first conductive layer and the fourth partial region, and an organic semiconductor layer provided between the first and second conductive layers. The wiring part is provided between the third and fifth partial regions. The wiring part includes first and second wiring layers. The controller is fixed to the second partial region. The controller is electrically connected with the first and second wiring layers.

公开(公告)号：US20220283323A1

公开(公告)日：2022-09-08

申请号：US17445848

申请日：2021-08-25

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yuko NOMURA ,  Kohei NAKAYAMA ,  Atsushi WADA ,  Fumihiko AIGA ,  Isao TAKASU

IPC: G01T1/20 ,  G01T1/24 ,  G01T3/08 ,  G01T3/06 ,  H01L51/44 ,  H01L51/42

Abstract: According to one embodiment, a radiation detector includes a first member including a scintillator layer, an organic member including an organic semiconductor layer, and a first conductive layer. The first conductive layer includes a first conductive region and a second conductive region. A second direction from the first conductive region toward the second conductive region crosses a first direction from the organic member toward the first member. A first portion of the organic member is between the first conductive region and the second conductive region in the second direction.

公开(公告)号：US20220082711A1

公开(公告)日：2022-03-17

申请号：US17184675

申请日：2021-02-25

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kohei NAKAYAMA ,  Atsushi WADA ,  Fumihiko AIGA ,  Isao TAKASU ,  Yuko NOMURA

IPC: G01T1/20 ,  H01L31/08 ,  H01L31/0224

Abstract: A radiation detector includes a first detecting part including a first organic detection layer and a first layer, and a second detecting part including a second organic detection layer. The first layer includes a first material and a first thickness. The second detecting part does not include the first layer. The second detecting part does not include a second layer, or the second detecting part includes the second layer that includes at least one of a second material or a second thickness. The second material is different from the first material. The second thickness is different from the first thickness. The first material includes at least one of a first organic material or a first element. The second material includes at least one of a second organic material or a second element.

公开(公告)号：US20200091440A1

公开(公告)日：2020-03-19

申请号：US16292380

申请日：2019-03-05

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Isao TAKASU ,  Hyangmi JUNG ,  Kohei NAKAYAMA ,  Yuko NOMURA ,  Rei HASEGAWA

IPC: H01L51/00 ,  G01T1/24

Abstract: According to one embodiment, a radiation detector includes a detection element. The detection element includes a first conductive layer, a second conductive layer, and an organic semiconductor layer provided between the first conductive layer and the second conductive layer. The organic semiconductor layer includes a first compound and a second compound. The first compound is bipolar. A thickness of the organic semiconductor layer is 50 μm or more.

公开(公告)号：US20240234600A1

公开(公告)日：2024-07-11

申请号：US18451261

申请日：2023-08-17

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kohei NAKAYAMA ,  Fumihiko AIGA

IPC: H01L31/0296 ,  H01L31/05

CPC classification number: H01L31/0296 ,  H01L31/0504

Abstract: According to one embodiment, a photoelectric conversion element includes a photoelectric conversion layer, and a first member. The first member includes a first layer and a second layer. A direction from the second layer to the first layer is along a first direction from the photoelectric conversion layer to the first member. The first layer includes a plurality of particles and an intermediate region provided in at least a part of location between the plurality of particles. The plurality of particles include at least one selected from the group consisting of oxygen and sulfur and zinc. The intermediate region includes a rare earth element. The second layer includes a metal fluoride.

公开(公告)号：US20230292535A1

公开(公告)日：2023-09-14

申请号：US17820937

申请日：2022-08-19

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kohei NAKAYAMA ,  Fumihiko AIGA ,  Atsushi WADA ,  Yuko NOMURA ,  Isao TAKASU

IPC: G01T1/24 ,  H01L51/44 ,  G01T1/20

CPC classification number: G01T1/241 ,  H01L51/441 ,  G01T1/20

Abstract: According to one embodiment, a detector includes an element portion. The element portion includes a first detection portion and a wiring portion. The first detection portion includes a first electrode, a first counter electrode, and a first organic semiconductor layer. At least a part of the first organic semiconductor layer is between the first electrode and the first counter electrode. The wiring part includes a first electrode layer electrically connected with the first electrode, a first counter electrode layer electrically connected with the first counter electrode, and a first conductive layer. The first counter electrode layer is between the first electrode layer and the first detection portion in a first direction from the first electrode layer to the first counter electrode layer. The first conductive layer is between the first electrode layer and the first counter electrode layer in the first direction.

公开(公告)号：US20220285441A1

公开(公告)日：2022-09-08

申请号：US17460451

申请日：2021-08-30

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Kohei NAKAYAMA ,  Isao TAKASU ,  Atsushi WADA ,  Fumihiko AIGA ,  Yuko NOMURA

IPC: H01L27/30 ,  H01L51/44

Abstract: According to one embodiment, a radiation detector includes a detecting part, and a transmitting part. The detecting part is configured to output a signal. The signal corresponds to radiation incident on the detecting part. The transmitting part includes a first conductive layer, a second conductive layer, and an organic layer. The first conductive layer is electrically connected with the detecting part, and is configured to transmit the signal. The second conductive layer is separated from the first conductive layer. At least a portion of the organic layer is between the first conductive layer and the second conductive layer.

公开(公告)号：US20220259491A1

公开(公告)日：2022-08-18

申请号：US17445847

申请日：2021-08-25

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Atsushi WADA ,  Isao TAKASU ,  Fumihiko AIGA ,  Kohei NAKAYAMA ,  Yuko NOMURA

IPC: C09K11/06 ,  G01T1/20

Abstract: According to one embodiment, a scintillator includes a first layer. The first layer includes a first organic substance capable of emitting light, and a second organic substance. The second organic substance includes at least one selected from the group consisting of a carbonyl group, phosphine oxide, and a sulfinyl group. The first layer emits light based on beta rays incident on the first layer. A period from a time of a maximum value of an intensity of the light until the intensity of the light drops to 1/2.72 of the maximum value is not less than 10 ns.

公开(公告)号：US20220140244A1

公开(公告)日：2022-05-05

申请号：US17460942

申请日：2021-08-30

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Isao TAKASU ,  Atsushi WADA ,  Fumihiko AIGA ,  Kohei NAKAYAMA ,  Yuko NOMURA

IPC: H01L51/00 ,  G01T1/24

Abstract: According to one embodiment, a radiation detector includes a first layer, a first conductive layer, a second conductive layer, and an organic semiconductor layer. The first layer includes a first organic substance. The first layer emits light based on beta rays incident on the first layer. A period from a time of a maximum value of an intensity of the light until the intensity of the light drops to 1/2.72 of the maximum value is not less than 10 ns. The second conductive layer is located between the first layer and the first conductive layer. The organic semiconductor layer is located between the first conductive layer and the second conductive layer.

公开(公告)号：US20220082715A1

公开(公告)日：2022-03-17

申请号：US17184733

申请日：2021-02-25

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Isao TAKASU ,  Kohei NAKAYAMA ,  Atsushi WADA ,  Fumihiko AIGA ,  Yuko NOMURA

IPC: G01T1/20 ,  H01L27/30

Abstract: According to one embodiment, a radiation detector includes a base body, a first radiation detection element, and a second radiation detection element. The base body includes a first surface. The first surface includes first and second partial regions. A first direction from the first partial region toward the second partial region is along the first surface. The first radiation detection element is fixable to the first partial region. The second radiation detection element includes a first detecting part fixable to the second partial region. The first detecting part includes first and second end portions. A second direction from the first end portion toward the second end portion crosses the first surface. The second end portion is between the first end portion and the second partial region in the second direction. The first radiation detection element does not overlap the first end portion in the first direction.