公开(公告)号：US20220026590A1

公开(公告)日：2022-01-27

申请号：US17379228

申请日：2021-07-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： Shoshiro Saruta ,  Kazumi Nagano ,  Keiichi Nomura ,  Tetsunori Ojima

IPC: G01T1/20 ,  G01T1/202 ,  G01T1/29

Abstract: A radiation imaging panel comprising a substrate in which a plurality of pixels each including a photoelectric conversion element are arranged, a scintillator containing a plurality of columnar crystals arranged on the substrate, and a protective layer is provided. The protective layer includes a first resin layer arranged so as to cover the scintillator and a second resin layer arranged on the first resin layer, and the first resin layer contains a resin to which particles of a metal compound is added. A light reflectance r1 [%] of the first resin layer satisfies 47%

公开(公告)号：US11187816B2

公开(公告)日：2021-11-30

申请号：US16211668

申请日：2018-12-06

Applicant: CANON KABUSHIKI KAISHA

Inventor： Katsuro Takenaka ,  Atsushi Iwashita ,  Shoshiro Saruta

IPC: G01T1/17 ,  H04N5/378 ,  H04N5/376 ,  H04N5/374

Abstract: Pixel array includes pixels each including conversion element, and switch having control terminal, first primary terminal connected to the conversion element, and second primary terminal connected to one of signal lines. The pixel array includes pixel groups each including pixels arrayed to form at least 2 row×2 column pattern. In pixels of each pixel group, the control terminals are connected to different driving lines and the second primary terminals are commonly connected to one of the signal lines. In the pixel groups, first and second pixel groups are arranged adjacent to each other in column direction. Signal is read from the first pixel group via the first signal line of the single lines. Signal is read from the second pixel group via the second signal line of the single lines.

公开(公告)号：US20140374608A1

公开(公告)日：2014-12-25

申请号：US14305283

申请日：2014-06-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yoshito Sasaki ,  Satoshi Okada ,  Shoshiro Saruta ,  Kazumi Nagano ,  Yohei Ishida

IPC: H01L31/18 ,  H01L27/146 ,  H01L31/0232

CPC classification number: H01L27/14685 ,  G01T1/2018 ,  H01L27/14625 ,  H01L27/14632 ,  H01L27/14663 ,  H01L27/14687 ,  H01L31/02322 ,  H01L31/115

Abstract: A method of manufacturing a radiation detection apparatus, includes a bonding step of bonding, on a support substrate, a sensor substrate including a photoelectric converter in which a plurality of photoelectric conversion elements are arranged, by using a bonding layer including a passage which exhausts a gas between the support substrate and the sensor substrate, and a formation step of forming a scintillator layer on the photoelectric converter after the bonding step. The bonding layer has a heat resistance by which bonding between the support substrate and the sensor substrate by the bonding layer is maintained in the formation step.

Abstract translation: 一种放射线检测装置的制造方法，其特征在于，包括：接合工序，其在支撑基板上，通过使用包含排出a的通路的接合层，将包括配置有多个光电转换元件的光电转换元件的传感器基板 支撑基板和传感器基板之间的气体，以及在接合步骤之后在光电转换器上形成闪烁体层的形成步骤。 接合层具有耐热性，通过该耐热性，在形成步骤中保持通过接合层在支撑基板和传感器基板之间的接合。

公开(公告)号：US20130168559A1

公开(公告)日：2013-07-04

申请号：US13710613

申请日：2012-12-11

Applicant: CANON KABUSHIKI KAISHA

Inventor： Shoshiro Saruta ,  Satoshi Okada ,  Kazumi Nagano ,  Keiichi Nomura ,  Yohei Ishida ,  Yoshito Sasaki ,  Tomoaki Ichimura

IPC: G01T1/20

CPC classification number: G01T1/2006 ,  G01T1/2002 ,  G01T1/2018

Abstract: A radiation detection apparatus including a sensor panel which includes a plurality of pixels two-dimensionally arranged on a substrate and detects light, and a scintillator layer which is disposed on the sensor panel and converts radiation into light, the apparatus, comprising members embedded in regions between the plurality of pixels in the scintillator layer, wherein the member satisfies a relationship of μX≧μS where μX is a linear attenuation coefficient of the member and μS is a linear attenuation coefficient of a material forming the scintillator layer, contains a material whose light emission amount is smaller than that of the scintillator layer when the radiation enters, and gradually decreases in width from an upper surface to a lower surface.

Abstract translation: 一种辐射检测装置，包括：传感器面板，其包括二维排列在基板上的多个像素并检测光;以及闪烁体层，其设置在所述传感器面板上并将辐射转换成光，所述装置包括嵌入在区域中的部件 在闪烁体层中的多个像素之间，其中该成员满足muX> = muS的关系，其中muX是该成员的线性衰减系数，而muS是形成闪烁体层的材料的线性衰减系数，包含一种材料， 当辐射进入时，发光量小于闪烁体层的发光量，并且从上表面到下表面的宽度逐渐减小。

公开(公告)号：US11073626B2

公开(公告)日：2021-07-27

申请号：US16178920

申请日：2018-11-02

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tomoyuki Oike ,  Shoshiro Saruta

IPC: G01T1/20 ,  G01T1/202 ,  C09K11/61 ,  C09K11/58 ,  G21K4/00

Abstract: A scintillator having a columnar crystal structure vapor-deposited on a substrate, wherein each column of the crystal structure contains an alkali halide metal compound as a host material, and further contains, as an additive, a compound of a precious metal as a metal having lower ionization tendency than hydrogen (H), with the additive having a lower melting point than the host material.

公开(公告)号：US20200264319A1

公开(公告)日：2020-08-20

申请号：US16867401

申请日：2020-05-05

Applicant: CANON KABUSHIKI KAISHA

Inventor： Katsuro Takenaka ,  Shoshiro Saruta

IPC: G01T1/20

Abstract: A radiation image capturing apparatus includes a pixel array including conversion elements arranged in rows and columns on an optically transparent substrate, signal lines that outputs a signal generated by the conversion elements and that extends in a column direction, a first scintillator disposed near a first surface of the substrate, and a second scintillator disposed near a second surface of the substrate opposite the first surface. The conversion elements include first conversion elements and second conversion elements. A light shielding layer is disposed between the first scintillator and the second conversion elements such that an amount of light that is received by the second conversion elements from the first scintillator is smaller than that received by the first conversion elements. A number of columns of the conversion elements is equal to a number of the signal lines.

公开(公告)号：US20130341516A1

公开(公告)日：2013-12-26

申请号：US13895537

申请日：2013-05-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yohei Ishida ,  Satoshi Okada ,  Kazumi Nagano ,  Shoshiro Saruta ,  Keiichi Nomura

IPC: G01T1/20 ,  H01L31/18

CPC classification number: G01T1/2006 ,  G01T1/2018 ,  H01L31/02322 ,  H01L31/115 ,  H01L31/18

Abstract: A radiation detection apparatus comprises a sensor panel including a plurality of sensor units which detect radiation and are arrayed, each of the plurality of sensor units comprising a pixel array including a plurality of pixels which detect light and are two-dimensionally arranged, a scintillator layer which converts radiation into light, and a first scintillator protective layer disposed to cover the scintillator layer, and the radiation detection apparatus further comprising a second scintillator protective layer disposed to cover the plurality of sensor units.

Abstract translation: 辐射检测装置包括：传感器面板，包括检测辐射并排列的多个传感器单元，所述多个传感器单元中的每一个包括像素阵列，所述像素阵列包括检测光并二维排列的多个像素;闪烁体层 其将辐射转换成光，以及设置成覆盖闪烁体层的第一闪烁体保护层，并且所述放射线检测装置还包括设置成覆盖所述多个传感器单元的第二闪烁体保护层。

公开(公告)号：US20130153775A1

公开(公告)日：2013-06-20

申请号：US13690527

申请日：2012-11-30

Applicant: CANON KABUSHIKI KAISHA

Inventor： Keiichi Nomura ,  Satoshi Okada ,  Kazumi Nagano ,  Shoshiro Saruta ,  Yohei Ishida ,  Yoshito Sasaki ,  Tomoaki Ichimura ,  Akiya Nakayama

IPC: G01T1/20

CPC classification number: G01T1/2006 ,  G01T1/2018

Abstract: A radiation detection apparatus comprising, a sensor panel including sensor unit disposed on a plurality of photoelectric converters on a substrate, a first scintillator layer disposed on the sensor panel, and a second scintillator layer disposed on the first scintillator layer, wherein the first scintillator layer and the second scintillator layer respectively emit light beams having different wavelengths, and the sensor unit which includes a first photoelectric converter configured to detect the light beam emitted by the first scintillator layer, a first transistor configured to output a signal from the first scintillator layer, a second photoelectric converter configured to detect the light beam emitted by the second scintillator layer, and a second transistor configured to output a signal from the second scintillator layer, and individually convert the light beams having the different wavelengths into electrical signals.

Abstract translation: 一种辐射检测装置，包括：传感器面板，包括设置在基板上的多个光电转换器上的传感器单元，设置在所述传感器面板上的第一闪烁体层和设置在所述第一闪烁体层上的第二闪烁体层，其中所述第一闪烁体层 并且所述第二闪烁体层分别发射具有不同波长的光束，并且所述传感器单元包括被配置为检测由所述第一闪烁体层发射的光束的第一光电转换器，被配置为输出来自所述第一闪烁体层的信号的第一晶体管， 第二光电转换器，被配置为检测由第二闪烁体层发射的光束;以及第二晶体管，被配置为输出来自第二闪烁体层的信号，并且将具有不同波长的光束单独地转换为电信号。

公开(公告)号：US11448779B2

公开(公告)日：2022-09-20

申请号：US16457496

申请日：2019-06-28

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masato Inoue ,  Shoshiro Saruta

IPC: G01T1/20 ,  G01T1/29

Abstract: A radiological imaging apparatus includes a first panel where a plurality of radiation detecting elements are arrayed on a first substrate, a second panel where a plurality of radiation detecting elements are arrayed on a second substrate, and a sheet-shaped adhesion part configured to adhere a second-panel side face of the first panel and a first-panel side face of the second panel to each other, so that the first panel and the second panel are overlaid on each other in planar view as to an upper face of the first substrate. The adhesion part is configured to maintain adhesion of the first panel and the second panel, while tolerating change in relative positions thereof in a planar direction parallel to the upper face of the first substrate.

公开(公告)号：US11280919B2

公开(公告)日：2022-03-22

申请号：US16720989

申请日：2019-12-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： Katsuro Takenaka ,  Shoshiro Saruta ,  Atsushi Iwashita ,  Kentaro Fujiyoshi ,  Keiichi Nomura ,  Kazumi Nagano ,  Yohei Ishida ,  Tomoki Komatsu

IPC: G01T1/20

Abstract: A radiation imaging apparatus is provided. The apparatus includes a substrate in which conversion elements are arranged and which transmits light beams, a first scintillator arranged on a first surface side of the substrate, and a second scintillator arranged on a second surface side opposite to the first surface. The conversion elements include first conversion elements and second conversion elements. The first conversion elements are arranged so as to receive light beams from the first scintillator and the second scintillator. A light-shielding layer is arranged between the first scintillator and each of the second conversion elements so as to set light amounts of the second conversion elements from the first scintillator smaller than those of the first conversion elements from the first scintillator, and the second conversion elements are arranged to receive a light beam from the second scintillator.