公开(公告)号：US20150296161A1

公开(公告)日：2015-10-15

申请号：US14682173

申请日：2015-04-09

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Nobuyoshi SAITO ,  Hideyuki FUNAKI ,  Shunsuke KIMURA ,  Shintaro NAKANO ,  Go KAWATA ,  Rei HASEGAWA

IPC: H04N5/378 ,  H01L31/107 ,  G01T1/208 ,  H01L27/146

CPC classification number: H04N5/378 ,  G01T1/208 ,  G01T1/248 ,  H01L27/14607 ,  H01L27/14636 ,  H01L31/107

Abstract: According to an embodiment, a photodetector includes a plurality of photoelectric transducers, a plurality of resistors, and a plurality of resetting sections. Each of the photoelectric transducers is configured to output a detection signal resulting from, conversion of received light into an electric charge. Each of the resistors is connected in series with an output end of a corresponding photoelectric transducer at one end of the resistor. Each of the resetting sections is connected in parallel with a corresponding resistor and configured to bring the output end of the corresponding photoelectric transducer to a reset level in response to the detection signal.

Abstract translation: 根据实施例，光电检测器包括多个光电换能器，多个电阻器和多个复位部分。 每个光电换能器被配置为输出由接收光转换成电荷而产生的检测信号。 每个电阻器与电阻器一端的相应的光电变换器的输出端串联连接。 每个复位部分与对应的电阻器并联连接，并且被配置为响应于检测信号使相应的光电转换器的输出端达到复位电平。

公开(公告)号：US20150226863A1

公开(公告)日：2015-08-13

申请号：US14694583

申请日：2015-04-23

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Go KAWATA ,  Hideyuki Funaki ,  Honam Kwon ,  Risako Ueno ,  Kazuhiro Suzuki

IPC: G01T1/20 ,  G01N23/04 ,  G01T1/24

CPC classification number: G01T1/2002 ,  G01N23/046 ,  G01T1/2018 ,  G01T1/248

Abstract: A radiation detection apparatus according to an embodiment includes: a scintillator; a photon detection device array including a plurality of cells each being a photon detection device with an avalanche photodiode configured to detect visible radiation photons emitted from the scintillator and a resistor disposed along a part of a periphery of an active region of the avalanche photodiode; and a reflector configured to reflect a visible radiation photon and disposed in a region that does not include the active regions and the resistors of the cells, on a face including the active regions.

Abstract translation: 根据实施例的放射线检测装置包括：闪烁体; 光子检测装置阵列，其包括多个单元，每个单元均为具有雪崩光电二极管的光子检测装置，所述雪崩光电二极管被配置为检测从所述闪烁体发射的可见光辐射光子和沿着所述雪崩光电二极管的有源区的周边的一部分设置的电阻器; 以及反射器，被配置为在包括有源区域的面上反射可见光辐射并且被布置在不包括电池的有源区域和电阻器的区域中。

公开(公告)号：US20150084149A1

公开(公告)日：2015-03-26

申请号：US14478424

申请日：2014-09-05

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hitoshi YAGI ,  Rei HASEGAWA ,  Masaki ATSUTA ,  Yasuharu HOSONO ,  Keita SASAKI ,  Go KAWATA

IPC: H01L27/146 ,  H01L31/0224

CPC classification number: H01L27/14663 ,  H01L27/1463 ,  H01L27/14636 ,  H01L31/0224

Abstract: A radiation detector according to an embodiment includes: a semiconductor substrate; a light detecting unit provided on a side of a first surface of the semiconductor substrate; a first insulating film provided covering the light detecting unit; a second insulating film covering the first insulating film; a scintillator provided on the second insulating film; an interconnection provided between the first and second insulating films, and connected to the light detecting unit; a first electrode connected to the interconnection through a bottom portion of the first opening; a second electrode provided on a region in the second surface of the semiconductor substrate, the region opposing at least a part of the light detecting unit; a second opening provided in a region surrounding the first electrode and not surrounding the second electrode; and an insulating resin layer covering the first and second electrodes and the first and second openings.

Abstract translation: 根据实施例的辐射检测器包括：半导体衬底; 设置在所述半导体衬底的第一表面侧的光检测单元; 提供覆盖光检测单元的第一绝缘膜; 覆盖所述第一绝缘膜的第二绝缘膜; 设置在第二绝缘膜上的闪烁体; 设置在第一和第二绝缘膜之间并连接到光检测单元的互连; 通过第一开口的底部连接到互连的第一电极; 设置在所述半导体衬底的第二表面中的区域上的第二电极，所述区域与所述光检测单元的至少一部分相对; 第二开口，设置在围绕所述第一电极且不包围所述第二电极的区域中; 以及覆盖第一和第二电极以及第一和第二开口的绝缘树脂层。

公开(公告)号：US20190189674A1

公开(公告)日：2019-06-20

申请号：US16269394

申请日：2019-02-06

Applicant: Kabushiki Kaisha Toshiba

Inventor： Yasuharu HOSONO ,  Kazuhiro SUZUKI ,  Hitoshi YAGI ,  Kazunori MIYAZAKI ,  Go KAWATA ,  Keita SASAKI ,  Rei HASEGAWA

IPC: H01L27/146 ,  H01L31/0216 ,  G01T1/20 ,  H01L31/0232

CPC classification number: H01L27/14663 ,  G01T1/2018 ,  H01L27/14618 ,  H01L27/14661 ,  H01L27/14685 ,  H01L27/14687 ,  H01L31/02161 ,  H01L31/02322 ,  H01L2224/11 ,  H01L2224/16225

Abstract: According to an embodiment, a photodetector includes a photo detection layer, light conversion members, and a first member. The photo detection layer includes, on a light incident surface, plural pixel regions and a surrounding region. The pixel region holds a photo detection element to detect the light. The surrounding region is a region other than the pixel regions on the light incident surface. The light conversion members are arranged to oppose the pixel regions in the photo detection layer and convert radiation to the light. Each light conversion member includes a bottom surface opposing the pixel region in the photo detection layer, a top surface opposing the bottom surface, and a lateral surface connecting the bottom and top surfaces. The first member is disposed on a portion of the surrounding region on the light incident surface and covers a portion of the lateral surface of the light conversion member.

公开(公告)号：US20190079200A1

公开(公告)日：2019-03-14

申请号：US15906756

申请日：2018-02-27

Applicant: Kabushiki Kaisha Toshiba

Inventor： Go KAWATA ,  Rei Hasegawa

IPC: G01T1/17

Abstract: According to an embodiment, a radiation detection device includes one or more processors. The one or more processors are configured to: acquire an output waveform, from a detector configured to output the output waveform according to radiation; and identify a type of radiation incident on the detector, based on a first integrated value of the output waveform in a first integration period and a second integrated value of the output waveform in a second integration period.

公开(公告)号：US20180206804A1

公开(公告)日：2018-07-26

申请号：US15683819

申请日：2017-08-23

Applicant: Kabushiki Kaisha Toshiba

Inventor： Go KAWATA ,  Keita Sasaki ,  Rei Hasegawa

IPC: A61B6/00 ,  G01T1/17 ,  G01T1/18 ,  G01T1/20 ,  G01T1/29

CPC classification number: A61B6/4233 ,  A61B6/4241 ,  G01T1/17 ,  G01T1/18 ,  G01T1/20 ,  G01T1/2018 ,  G01T1/2985

Abstract: A detection apparatus according to an embodiment includes first detectors, a first electrode, second detectors and a second electrode. The first detectors detect a photon. The first electrode is electrically connected to each of the first detectors. The second detectors detect a photon. The second electrode is electrically connected to each of the second detectors. The number of first detectors is less than the number of second detectors.

公开(公告)号：US20170005667A1

公开(公告)日：2017-01-05

申请号：US15138667

申请日：2016-04-26

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hirokatsu SHIRAHAMA ,  Shunsuke KIMURA ,  Tetsuro ITAKURA ,  Masanori FURUTA ,  Hideyuki FUNAKI ,  Go KAWATA

IPC: H03M1/34 ,  G01T1/20

CPC classification number: G01T1/20 ,  H03M1/52

Abstract: An integrator according to an embodiment includes first and second nodes, first to fifth switches, first and second main integration capacitors, and a first subsidiary integration capacitor. The first (second, third, fourth, fifth) switch has one end connected to a first (third, first, fourth, first) node and the other end connected to a third (second, fourth, second, fifth) node. The first main integration capacitor has one end connected to the third node and the other end connected to a standard voltage line. The second main integration capacitor has one end connected to the fourth node and the other end connected to the standard voltage line. The first subsidiary integration capacitor that has one end connected to the fifth node and the other end connected to the standard voltage line.

Abstract translation: 根据实施例的积分器包括第一和第二节点，第一至第五开关，第一和第二主积分电容器以及第一辅助积分电容器。 第一（第二，第三，第四，第五）开关的一端连接到第一（第三，第一，第四，第一）节点，另一端连接到第三（第二，第四，第二，第五）节点。 第一主集成电容器的一端连接到第三节点，另一端连接到标准电压线。 第二主积分电容器的一端连接到第四节点，另一端连接到标准电压线。 第一个辅助集成电容器，其一端连接到第五个节点，另一端连接到标准电压线。

公开(公告)号：US20160374629A1

公开(公告)日：2016-12-29

申请号：US15259739

申请日：2016-09-08

Applicant: Kabushiki Kaisha Toshiba

Inventor： Go KAWATA ,  Yasuharu Hosono ,  Rei Hasegawa

IPC: A61B6/03 ,  A61B6/06 ,  G01T7/00 ,  A61B6/00

CPC classification number: A61B6/032 ,  A61B6/06 ,  A61B6/4035 ,  A61B6/4241 ,  A61B6/4435 ,  A61B6/465 ,  A61B6/467 ,  A61B6/5205 ,  A61B6/54 ,  A61B6/585 ,  G01T1/36 ,  G01T7/005

Abstract: According to an embodiment, an apparatus includes a reference calculator, a peak calculator, a coefficient calculator, and a calibrator. The reference calculator is configured to calculate, as a first value, a most frequent electrical signal level from a first set of electrical signal levels output from the respective pixels of a detector for radiation. The peak calculator is configured to calculate, as a second value, a peak level of radiation energy of a characteristic X-ray, based on a relation between energy and intensity of radiation obtained from the first set. The coefficient calculator is configured to calculate a coefficient by dividing a difference between the first and second values by the peak level. The calibrator is configured to multiply an electrical signal level of each pixel by the coefficient and add the first value to the multiplication to calibrate a relation between detection output and incident radiation of the detector.

Abstract translation: 根据实施例，一种装置包括参考计算器，峰值计算器，系数计算器和校准器。 参考计算器被配置为从用于辐射的检测器的各个像素输出的第一组电信号电平计算出最频繁的电信号电平作为第一值。 峰值计算器被配置为基于从第一组获得的能量和辐射强度之间的关系来计算特征X射线的辐射能量的峰值水平作为第二值。 系数计算器被配置为通过将第一和第二值之间的差除以峰值电平来计算系数。 校准器被配置为将每个像素的电信号电平乘以系数，并将第一值加到乘法中，以校准检测器的检测输出和入射辐射之间的关系。

公开(公告)号：US20160370475A1

公开(公告)日：2016-12-22

申请号：US15257182

申请日：2016-09-06

Applicant: Kabushiki Kaisha Toshiba

Inventor： Go KAWATA ,  Shunsuke Kimura ,  Hideyuki Funaki ,  Masanori Furuta ,  Tetsuro Itakura

IPC: G01T1/17 ,  A61B6/00 ,  A61B6/03

CPC classification number: G01T1/17 ,  A61B6/032 ,  A61B6/4241 ,  A61B6/482 ,  A61B6/542

Abstract: According to an embodiment, a radiation measuring apparatus includes a detector, comparators, a threshold controller, counters, and a generator. The detector includes plural detecting elements each configured to convert energy of incident radiation into a first electrical signal. The comparators correspond to the respective detecting elements, each comparator being configured to output a second electrical signal when a level of the corresponding first electrical signal is not less than a threshold. The threshold controller is configured to supply a first value as the threshold to the respective comparators at a first time, and supply a second value as the threshold to the respective comparators at a second time. The counters correspond to the respective comparators, each counter being configured to count the corresponding second electrical signal. The generator is configured to generate a pulse height frequency distribution of the radiation by using counts of the counters.

Abstract translation: 根据实施例，辐射测量装置包括检测器，比较器，阈值控制器，计数器和发生器。 检测器包括多个检测元件，每个检测元件被配置成将入射辐射的能量转换成第一电信号。 比较器对应于相应的检测元件，每个比较器被配置为当相应的第一电信号的电平不小于阈值时输出第二电信号。 阈值控制器被配置为在第一时间向各个比较器提供第一值作为阈值，并且在第二时间向相应的比较器提供第二值作为阈值。 计数器对应于各个比较器，每个计数器被配置为对相应的第二电信号进行计数。 发生器被配置为通过使用计数器的计数来产生辐射的脉冲高度频率分布。

公开(公告)号：US20160282487A1

公开(公告)日：2016-09-29

申请号：US14927853

申请日：2015-10-30

Applicant: Kabushiki Kaisha Toshiba

Inventor： Go KAWATA ,  Shunsuke Kimura ,  Yasuharu Hosono ,  Rei Hasegawa ,  Toshiyuki Ono

IPC: G01T7/00

CPC classification number: G01T7/005 ,  G01T1/2018 ,  G01T1/208

Abstract: According to an embodiment, an apparatus includes a first detector, a second detector, and a controller. The first detector is configured to detect first radiation at a first frequency within a first time by at least a first radiation detecting element and a second radiation detecting element that are positioned near to each other, and output a first signal. The second detector is configured to detect second radiation at a second frequency less than the first frequency within a second time by at least the first radiation detecting element and the second radiation detecting element, and output a second signal. The controller is configured to generate a third signal representing a difference between the first signal and the second signal, and calculate energy using the third signal.

Abstract translation: 根据实施例，一种装置包括第一检测器，第二检测器和控制器。 第一检测器被配置为通过至少第一辐射检测元件和第二辐射检测元件在第一时间内以第一频率检测彼此靠近的第一辐射，并输出第一信号。 第二检测器被配置为通过至少第一辐射检测元件和第二辐射检测元件在第二时间内以小于第一频率的第二频率检测第二辐射，并输出第二信号。 控制器被配置为产生表示第一信号和第二信号之间的差的第三信号，并且使用第三信号来计算能量。