公开(公告)号：WO2016194315A1

公开(公告)日：2016-12-08

申请号：PCT/JP2016/002377

申请日：2016-05-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： TAKEDA, Shinichi ,  TAKENAKA, Katsuro ,  IWASHITA, Atsushi ,  TERUI, Kosuke

IPC: G01T1/20 ,  A61B6/00

CPC classification number: H04N5/32 ,  A61B6/4241

Abstract: The present invention provides a radiation imaging apparatus comprising a scintillator configured to convert radiation into light, a detector including a plurality of pixels each configured to detect an intensity of light converted by the scintillator and configured to count, for each pixel, the number of times of detection of light at each of a plurality of levels concerning the intensity of light, and a processor configured to perform processing of generating an image based on the number of times of detection at each level obtained for each pixel, wherein the processor corrects the number of times of detection, for each pixel, at each level obtained by using information indicating a relationship between energy of radiation and a probability that the detector will count light at each level, and generates an image based on the corrected numbers of times of detection.

Abstract translation: 本发明提供了一种辐射成像装置，其包括被配置为将辐射转换为光的闪烁体，包括多个像素的检测器，每个像素被配置为检测由闪烁体转换的光的强度，并且被配置为对于每个像素对次数进行计数 检测在与光的强度相关的多个级别的每一个处的光的处理器;以及处理器，被配置为基于为每个像素获得的每个级别的检测次数来执行产生图像的处理，其中处理器校正数字 通过使用表示辐射能量的关系的信息和检测器对每个等级的光进行计数的概率而获得的每个等级的每个像素的检测次数，并且基于校正的检测次数生成图像。

公开(公告)号：WO2017010045A1

公开(公告)日：2017-01-19

申请号：PCT/JP2016/002934

申请日：2016-06-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： TERUI, Kosuke ,  TAKEDA, Shinichi ,  TAKENAKA, Katsuro ,  SATO, Sho ,  IWASHITA, Atsushi ,  ISHII, Yoshiaki

IPC: G01T1/20 ,  A61B6/00 ,  G01T1/17

CPC classification number: G01T1/2018 ,  A61B6/4225 ,  A61B6/4233 ,  A61B6/4241 ,  H04N5/32 ,  H04N5/363 ,  H04N5/374 ,  H04N5/378

Abstract: A radiation imaging apparatus is provided. The apparatus comprises a scintillator configured to convert radiation into light, a sensor panel in which a plurality of pixels each comprising a light detector configured to detect the light is arranged in a two-dimensional array, and a processing unit. The processing unit comprises a signal generating unit configured to output signals indicating intensities of the light detected by the light detector of each of the plurality of pixels, and a detection unit configured to identify a group of pixels each of which outputs a signal of a level exceeding a reference value out of the signals and detect, based on a pattern of the group, pileup in which a plurality of radiation photons is detected as a single radiation photon.

Abstract translation: 提供了一种放射线成像装置。 该装置包括被配置为将辐射转换为光的闪烁体，其中每个包括被配置为检测光的光检测器的多个像素被布置在二维阵列中的传感器面板和处理单元。 所述处理单元包括：信号生成单元，被配置为输出指示由所述多个像素中的每一个的所述光检测器检测到的光的强度的信号;以及检测单元，被配置为识别每个所述像素的一组像素， 超过信号的参考值，并且基于组的图案检测其中多个辐射光子被检测为单个辐射光子的堆积。

公开(公告)号：WO2017006513A1

公开(公告)日：2017-01-12

申请号：PCT/JP2016/002697

申请日：2016-06-03

Applicant: CANON KABUSHIKI KAISHA

Inventor： TERUI, Kosuke ,  IWASHITA, Atsushi ,  TAKENAKA, Katsuro ,  TAKEDA, Shinichi

IPC: G01T1/20 ,  A61B6/00 ,  G01T1/17

CPC classification number: A61B6/54 ,  A61B6/482 ,  A61B6/5258 ,  G01T1/20 ,  G06T11/005 ,  H04N5/32

Abstract: A radiation imaging apparatus is provided. The apparatus comprises a scintillator configured to convert radiation into light, a sensor panel in which a plurality of pixels each comprising a light detector configured to detect the light is arranged, and a processing unit. The processing unit comprises a conversion unit configured to output a detection signal in accordance with a signal generated in the light detector by the incident light and radiation that has transmitted through the scintillator without being converted into light, and a reset control unit configured to determine that the light detector detects the transmitted radiation based on a magnitude of the detection signal and reset the conversion unit if the light detector is determined to detect the transmitted radiation.

Abstract translation: 提供了一种放射线成像装置。 该装置包括被配置为将辐射转换为光的闪烁体，其中布置有包括被配置为检测光的光检测器的多个像素的传感器面板和处理单元。 处理单元包括转换单元，其被配置为根据在光检测器中产生的信号，通过已经透射闪烁体的入射光和辐射而输出检测信号而不被转换为光;以及复位控制单元，被配置为确定 光检测器基于检测信号的大小检测发射的辐射，并且如果确定光检测器以检测发射的辐射，则重置转换单元。

公开(公告)号：WO2011161897A1

公开(公告)日：2011-12-29

申请号：PCT/JP2011/003342

申请日：2011-06-13

Applicant: CANON KABUSHIKI KAISHA ,  ISHII, Takamasa ,  INOUE, Masato ,  AKIYAMA, Masayoshi ,  TAKEDA, Shinichi ,  SAWADA, Satoru ,  TAKEI, Taiki

Inventor： ISHII, Takamasa ,  INOUE, Masato ,  AKIYAMA, Masayoshi ,  TAKEDA, Shinichi ,  SAWADA, Satoru ,  TAKEI, Taiki

IPC: G01T1/20 ,  A61B6/00

CPC classification number: H01L31/0232 ,  G01T1/2018 ,  H01L27/14618 ,  H01L27/14663 ,  H01L31/18 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present invention provides a radiation image pickup apparatus in which one or more image pickup elements are easily exchanged. A radiation image pickup apparatus includes a base, at least one image pickup element, a scintillator, a first heat peelable adhesive layer which is arranged between the base and the image pickup element and which fixes the base and the image pickup element, and a second heat peelable adhesive layer which is arranged between the image pickup element and the scintillator and which fixes the image pickup element and the scintillator, and in the radiation image pickup element described above, the first heat peelable adhesive layer contains first heat-expandable microspheres, the second heat peelable adhesive layer contains second heat-expandable microspheres, and the first heat-expandable microspheres have a different expansion starting temperature from that of the second heat-expandable microspheres.

Abstract translation: 本发明提供一种其中一个或多个图像拾取元件容易交换的放射线图像拾取装置。 一种放射线摄像装置，包括基底，至少一个图像拾取元件，闪烁体，布置在基底和图像拾取元件之间并固定基底和图像拾取元件的第一可热剥离粘合剂层，以及第二 布置在图像拾取元件和闪烁体之间并固定图像拾取元件和闪烁体的热可剥离粘合剂层，并且在上述辐射图像拾取元件中，第一可热剥离粘合剂层包含第一热膨胀性微球， 第二热剥离性粘合剂层含有第二热膨胀性微球，第一热膨胀性微球具有与第二热膨胀性微球不同的膨胀开始温度。

公开(公告)号：WO2016194295A1

公开(公告)日：2016-12-08

申请号：PCT/JP2016/002201

申请日：2016-04-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： TAKENAKA, Katsuro ,  IWASHITA, Atsushi ,  TERUI, Kosuke ,  TAKEDA, Shinichi

IPC: G01T1/20 ,  A61B6/00

CPC classification number: H04N5/32 ,  A61B6/4241 ,  A61B6/5205

Abstract: A radiation imaging apparatus is provided. The apparatus comprises a scintillator, a sensor panel in which each including a light detector, and a processing unit. The processing unit generates signals in accordance with the light detected by the light detectors, determines whether signals generated in the same period by a pixel group, which includes one pixel of interest and at least one pixel near the pixel of interest out of the pixels, have a specific distribution, obtains a count of the number of times the pixel of interest is determined to have the specific distribution, and obtains, based on a value obtained by converting the count in accordance with a first and a second coefficient, an incident amount of a first and a second energy band out of radiation irradiating the pixel of interest, respectively.

Abstract translation: 提供了一种放射线成像装置。 该装置包括闪烁器，其中每个包括光检测器的传感器面板和处理单元。 处理单元根据由光检测器检测到的光产生信号，确定包括一个像素组在内的像素组在相同周期内生成的信号，以及像素附近的感兴趣像素附近的至少一个像素， 具有特定分布，获得确定具有特定分布的感兴趣像素次数的计数，并且基于通过根据第一和第二系数转换计数而获得的值来获得事件量 分别辐射照射感兴趣像素的第一和第二能带。

公开(公告)号：WO2006016505A1

公开(公告)日：2006-02-16

申请号：PCT/JP2005/014144

申请日：2005-07-27

Applicant: CANON KABUSHIKI KAISHA ,  OGAWA, Yoshihiro ,  OKADA, Satoshi ,  TAMURA, Tomoyuki ,  TAKEDA, Shinichi ,  NAGANO, Kazumi ,  INOUE, Masato ,  TAKENAKA, Katsuro

Inventor： OGAWA, Yoshihiro ,  OKADA, Satoshi ,  TAMURA, Tomoyuki ,  TAKEDA, Shinichi ,  NAGANO, Kazumi ,  INOUE, Masato ,  TAKENAKA, Katsuro

IPC: G01T1/20 ,  G01T1/202 ,  H01L27/14

CPC classification number: G01T1/2018 ,  G01T1/2002 ,  G01T1/202 ,  H01L27/14632 ,  H01L27/14663 ,  H01L27/14687 ,  H01L27/14689 ,  H01L31/02322 ,  H01L31/085

Abstract: A radiation detecting apparatus includes a substrate 1, a scintillator layer 7 converting a radiation into light, and scintillator protection members 8, 9 and 10 to cover the scintillator layer 7, wherein the scintillator protection member includes a scintillator protection layer 8 consisting of a hot-melt resin, and the scintillator protection layer 8 touches the scintillator layer 7. As the substrate 1, a sensor panel including a photoreceiving layer 15 on which photoelectric conversion elements 2, receiving light, are arranged in two-dimension, and a protection layer 5 provided on the photreceiving layer 15 and touching the scintillator layer 7 and the scintillator protection layer 8. By using such a scintillator protection layer, a film formation time of the scintillator protection layer can be shortened, and the film thickness dispersion of the scintillator protection layer can be suppressed. Moreover, the adhesion property to the scintillator foundation layer and to the reflective layer protection layer can be improved.

Abstract translation: 辐射检测装置包括基板1，将辐射转换为光的闪烁体层7和闪烁体保护构件8,9和10以覆盖闪烁体层7，其中闪烁体保护构件包括由热的组成的闪烁体保护层8 闪烁体保护层8接触闪烁体层7.作为基板1，包括光接收层15的传感器面板，其上接收有光的光电转换元件2布置在二维上，保护层 5，并且接触闪烁体层7和闪烁体保护层8.通过使用这样的闪烁体保护层，可以缩短闪烁体保护层的成膜时间，并且使闪烁体保护膜的膜厚分散 层可以抑制。 此外，可以提高对闪烁体基础层和反射层保护层的粘附性。

公开(公告)号：WO2017094393A1

公开(公告)日：2017-06-08

申请号：PCT/JP2016/081283

申请日：2016-10-21

Applicant: CANON KABUSHIKI KAISHA

Inventor： TAKENAKA, Katsuro ,  YAGI, Tomoyuki ,  RYU, Takuya ,  TAKEDA, Shinichi ,  OKADA, Hideyuki ,  SATO, Eriko

IPC: H04N5/353 ,  A61B6/00 ,  G01T7/00 ,  H01L27/144 ,  H01L27/146 ,  H04N5/32 ,  H04N5/374

CPC classification number: H04N5/32 ,  A61B6/4233 ,  A61B6/542 ,  H01L27/14612 ,  H01L27/14623 ,  H01L27/14636 ,  H01L27/14663 ,  H04N5/35563 ,  H04N5/361

Abstract: A radiation imaging apparatus, including a plurality of pixels, a plurality of column lines and a processor, the plurality of pixels including first pixels and second pixels configured to generate signals of different values by receiving radiation rays of equal irradiation rates, and the plurality of pixels being arrayed such that their numbers are different between a first column and a second column of the plurality of columns, wherein the processor, after radiation irradiation is started, obtains a first signal of the first column and a second signal of the second column while maintaining each pixel to an OFF state and performs AEC based on the first and second signals.

Abstract translation: 放射线成像装置包括多个像素，多个列线和处理器，所述多个像素包括第一像素和第二像素，所述第一像素和第二像素被配置为通过接收 相等的照射率，并且所述多个像素排列为使得它们的数量在所述多列的第一列和第二列之间不同，其中所述处理器在辐射照射开始之后获得第一列的第一信号，以及 第二列的第二信号，同时保持每个像素处于关闭状态并基于第一和第二信号执行AEC。

公开(公告)号：WO2016194286A1

公开(公告)日：2016-12-08

申请号：PCT/JP2016/002091

申请日：2016-04-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： IWASHITA, Atsushi ,  TAKENAKA, Katsuro ,  TAKEDA, Shinichi ,  TERUI, Kosuke

IPC: G01T1/17 ,  A61B6/00 ,  G01T1/20 ,  H01L27/144 ,  H04N5/32

CPC classification number: H04N5/32 ,  A61B6/4241

Abstract: A radiation imaging apparatus that comprises a plurality of sensor units each including a detection element which detects radiation, a quantization unit configured to quantize a signal value from the detection element of each sensor unit, a count unit configured to count, for each sensor unit, the number of matches between a second pattern as a reference pattern set in advance, and a first pattern which includes a quantization result by the quantization unit of the signal value from the detection element of the sensor unit and a quantization result by the quantization unit of the signal value from the detection element of another sensor unit on the periphery of the sensor unit, and a readout unit configured to read out a count value of the count unit.

Abstract translation: 一种辐射成像装置，包括：多个传感器单元，每个传感器单元包括检测辐射的检测元件;量化单元，被配置为从每个传感器单元的检测元件量化信号值;计数单元，被配置为对于每个传感器单元， 作为预先设定的基准图案的第二图案之间的匹配次数和包括来自传感器单元的检测元件的信号值的量化单元的量化结果的量化结果的量化结果和量化单元的量化结果 来自传感器单元周围的另一个传感器单元的检测元件的信号值以及被配置为读出计数单元的计数值的读出单元。

公开(公告)号：WO2009148143A1

公开(公告)日：2009-12-10

申请号：PCT/JP2009/060296

申请日：2009-05-29

Applicant: CANON KABUSHIKI KAISHA ,  OKADA, Satoshi ,  INOUE, Masato ,  NAGANO, Kazumi ,  TAKEDA, Shinichi ,  SAWADA, Satoru

Inventor： OKADA, Satoshi ,  INOUE, Masato ,  NAGANO, Kazumi ,  TAKEDA, Shinichi ,  SAWADA, Satoru

IPC: G03B42/02 ,  G03B42/04 ,  G01T1/29

CPC classification number: G03B42/02 ,  G03B42/04

Abstract: A radiation detecting apparatus includes: a sensor panel for converting radiation or light into an electric charge; a casing holding the sensor panel; an acceleration detecting unit for detecting an acceleration relating to a movement of the radiation detecting apparatus, and for transmitting a signal based on a value of the acceleration; a determining unit for determining, based on the signal transmitted from the acceleration detecting unit, as to whether the radiation detecting apparatus is in an excessively accelerated state, a free falling state or a normal state; and a buffer unit for operating to absorb a shock exerted on the radiation detecting apparatus, responsive to determination by the determining unit such that the radiation detecting apparatus is in an excessively accelerated state or a free falling state. The buffer unit is arranged outside of the casing.

Abstract translation: 辐射检测装置包括：用于将辐射或光转换成电荷的传感器面板; 保持传感器面板的壳体; 加速度检测单元，用于检测与放射线检测装置的移动有关的加速度，并且用于基于加速度的值发送信号; 确定单元，用于基于从加速度检测单元发送的信号，确定放射线检测装置是处于过度加速状态，自由下降状态还是正常状态; 以及缓冲单元，用于响应于所述确定单元的确定，使得所述辐射检测装置处于过度加速状态或自由下落状态，来操作以吸收施加在所述辐射检测装置上的冲击。 缓冲单元布置在壳体的外部。

公开(公告)号：WO2008133123A2

公开(公告)日：2008-11-06

申请号：PCT/JP2008/057374

申请日：2008-04-09

Applicant: CANON KABUSHIKI KAISHA ,  INOUE, Masato ,  OKADA, Satoshi ,  TAKEDA, Shinichi ,  NAGANO, Kazumi ,  NOMURA, Keiichi ,  SAWADA, Satoru

Inventor： INOUE, Masato ,  OKADA, Satoshi ,  TAKEDA, Shinichi ,  NAGANO, Kazumi ,  NOMURA, Keiichi ,  SAWADA, Satoru

IPC: G01T1/20

CPC classification number: G01T1/2018 ,  G01T1/20 ,  G01T1/2928

Abstract: To reduce peeling between members constituting an radiation detecting apparatus, the radiation detecting apparatus of the present invention includes a laminating layered structure in which a supporting substance, an adhesive layer, an array substrate having a photoelectric conversion element, a scintillator layer for converting a radiation into light and a resin layer are stacked in this order. Of arrangement regions of each layer in a plane direction, an arrangement region of the scintillator layer is broader than the region opposed to a photoelectric conversion element, and an arrangement region of the adhesive layer is the same as or broader than the arrangement region of the photoelectric conversion element and at least a portion of the arrangement region of the adhesive layer is narrower than that of the scintillator layer.

Abstract translation: 为了减少构成放射线检测装置的构件之间的剥离，本发明的放射线检测装置包括层叠层叠结构，其中支撑物质，粘合剂层，具有光电转换元件的阵列基板，用于转换辐射的闪烁体层 按顺序堆叠成光和树脂层。 在各层的平面方向的配置区域中，闪烁体层的配置区域比与光电转换元件相反的区域宽，并且粘合剂层的配置区域与布置区域的布置区域相同或更宽 光电转换元件，并且粘合剂层的布置区域的至少一部分比闪烁体层的布置区域的窄。