公开(公告)号：US20140210035A1

公开(公告)日：2014-07-31

申请号：US14017787

申请日：2013-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-chul PARK ,  Young KIM ,  Chae-hun LEE ,  Yong-woo JEON ,  Chang-jung KIM

IPC: H01L31/105

CPC classification number: H01L31/105 ,  G01T1/2018 ,  G01T1/208 ,  H01L27/1446 ,  H01L27/14658 ,  H01L31/103 ,  H01L31/107

Abstract: A silicon photomultiplier detector cell may include a photodiode region and a readout circuit region formed on a same substrate. The photodiode region may include a first semiconductor layer exposed on a surface of the silicon photomultiplier detector cell and doped with first type impurities; a second semiconductor layer doped with second type impurities; and/or a first epitaxial layer between the first semiconductor layer and the second semiconductor layer. The first epitaxial layer may contact the first semiconductor layer and the second semiconductor layer. The first epitaxial layer may be doped with the first type impurities at a concentration lower than a concentration of the first type impurities of the first semiconductor layer.

Abstract translation: 硅光电倍增管检测器单元可以包括形成在同一衬底上的光电二极管区域和读出电路区域。 光电二极管区域可以包括暴露在硅光电倍增管检测器单元的表面上并掺杂有第一类型杂质的第一半导体层; 掺杂有第二类型杂质的第二半导体层; 和/或在第一半导体层和第二半导体层之间的第一外延层。 第一外延层可以接触第一半导体层和第二半导体层。 第一外延层可以以低于第一半导体层的第一类型杂质的浓度的浓度掺杂第一类型的杂质。

公开(公告)号：US20140119517A1

公开(公告)日：2014-05-01

申请号：US13904600

申请日：2013-05-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chae-hun LEE ,  Jae-chul PARK ,  Young KIM ,  Ho Kyung KIM ,  Dae-kun YOON

IPC: G01T7/00

CPC classification number: G01T7/005

Abstract: A method of calibrating a first threshold voltage that is a reference of X-ray detection for each unit cell of a plurality of unit cells of an X-ray detector may comprise detecting an X-ray by using a plurality of second threshold voltages for each of a plurality of X-rays having spectra at different energy levels; determining a correspondence relationship between energies having a maximum intensity in the spectra of X-rays and third threshold voltages at which a maximum number of photons having a same energy intensity are detected; and/or calibrating the first threshold voltage based on the determined correspondence relationship.

Abstract translation: 校准作为X射线检测器的多个单位单元的每个单位单元的X射线检测的参考的第一阈值电压的方法可以包括通过使用多个第二阈值电压来检测X射线 具有不同能级的光谱的多个X射线; 确定在X射线的光谱中具有最大强度的能量与检测到具有相同能量强度的最大光子数的第三阈值电压之间的对应关系; 和/或基于确定的对应关系来校准第一阈值电压。

公开(公告)号：US20140209804A1

公开(公告)日：2014-07-31

申请号：US14080031

申请日：2013-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chae-hun LEE ,  Young KIM ,  Jae-chul PARK ,  Yong-woo JEON

IPC: G01T1/29

CPC classification number: G01T1/2985 ,  G01T1/2008

Abstract: An apparatus for generating an image may include a plurality of scintillator layers configured to convert an incident beam into an optical signal; a plurality of micro cells configured to turn on or off depending on whether or not the micro cells detect the optical signal; a reaction depth determining unit configured to detect a decay pattern of the optical signal, on the basis of on/off signals of the micro cells, and configured to determine a type of the scintillator layers with which the incident beam has reacted; and/or a reading unit configured to decide an occurrence location of the incident beam and then generates a photographed image.

Abstract translation: 用于产生图像的装置可以包括被配置为将入射光束转换成光信号的多个闪烁体层; 多个微单元，被配置为根据所述微单元是否检测到所述光信号而导通或关断; 反应深度确定单元，被配置为基于所述微小区的开/关信号来检测所述光信号的衰减模式，并且被配置为确定所述入射光束已经反应的闪烁体层的类型; 和/或读取单元，被配置为确定入射光束的出现位置，然后生成拍摄图像。

公开(公告)号：US20140117202A1

公开(公告)日：2014-05-01

申请号：US13894526

申请日：2013-05-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dae-kun YOON ,  Young KIM ,  Chae-hun LEE ,  Chang-jung KIM ,  Jae-chul PARK

IPC: H03K21/10 ,  G01J1/44

CPC classification number: H03K21/10 ,  G01J1/44 ,  G01T1/247

Abstract: A driver circuit outputs a result of classifying and counting photons based on one or more energy levels to a column line. The driver circuit includes a multiplexer for receiving the result from a counter, a driving inverter for receiving a signal from the multiplexer and a power supply, and a switch connected between the power supply and an input terminal of the driving inverter.

Abstract translation: 驱动器电路输出基于一个或多个能量级别的光子对列线进行分类和计数的结果。 驱动器电路包括用于从计数器接收结果的多路复用器，用于从多路复用器接收信号的驱动逆变器和电源，以及连接在电源和驱动逆变器的输入端之间的开关。

公开(公告)号：US20160146952A1

公开(公告)日：2016-05-26

申请号：US14947666

申请日：2015-11-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-myoung KIM ,  Kang-ho LEE ,  Chae-hun LEE ,  Jae-chul PARK

IPC: G01T1/24

CPC classification number: G01T1/247 ,  G01T1/17

Abstract: Provided are photon counting apparatuses and methods, and radiographic imaging apparatuses configured to receive charge signals corresponding to incident radiation photons, and to count the incident radiation photons by using a plurality of counting bits, such that the counting changes only one counting bit from among the plurality of counting bits when the count value is increased by one. By using the photon counting methods, a data-change frequency of photon counting data corresponding to radiation photons is minimized while counting the radiation photons based on charge signals corresponding to input radiation photons.

Abstract translation: 提供了光子计数装置和方法以及被配置为接收与入射的辐射光子相对应的电荷信号的放射线照相成像装置，并且通过使用多个计数位对入射的辐射光子进行计数，使得计数仅从一个计数位 当计数值增加1时，多个计数位。 通过使用光子计数方法，对应于辐射光子的光子计数数据的数据变化频率最小化，同时基于对应于输入辐射光子的电荷信号计数辐射光子。

公开(公告)号：US20130248720A1

公开(公告)日：2013-09-26

申请号：US13763944

申请日：2013-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION SOGANG UNIVERSITY

Inventor： Young KIM ,  Jae-chul PARK ,  Dae-kun YOON ,  Chae-hun LEE ,  Jin-wook BURM ,  Kyung-hoon KIM ,  Jun-an LEE

IPC: G01J1/44 ,  G01T1/20

CPC classification number: G01J1/44 ,  G01T1/2006 ,  G01T1/2018 ,  G01T1/208

Abstract: According to example embodiments, a photomultiplier detector cell for tomography includes a detector unit and a readOUT unit. The detector unit is configured to generate a digitized detect signal in response to receives light having a certain range of wavelength. The readOUT unit is configured to generate an output signal corresponding to the detect signal generated by the detector unit and to transmit the output signal to an external circuit. The readOUT unit is configured to transmit the output signal to the external circuit right after the detect signal is received.

Abstract translation: 根据示例实施例，用于断层摄影的光电倍增管检测器单元包括检测器单元和读出单元。 检测器单元被配置为响应于接收到具有一定波长范围的光而产生数字化的检测信号。 读出单元被配置为生成与由检测器单元生成的检测信号相对应的输出信号，并将输出信号发送到外部电路。 读出单元被配置为在接收到检测信号之后立即将输出信号发送到外部电路。