公开(公告)号：EP2762924B1

公开(公告)日：2020-05-06

申请号：EP14152584.0

申请日：2014-01-27

申请人： Nuctech Company Limited ,  Tsinghua University

发明人： Zhang, Lan ,  Li, Yulan ,  Li, Yuanjing ,  Liu, Yinong ,  Fu, Jianqiang ,  Jiang, Hao ,  Zhang, Wei ,  Liu, Yanqing ,  Li, Jun

IPC分类号： G01T1/24

公开(公告)号：EP2975431A3

公开(公告)日：2016-04-20

申请号：EP15176890.0

申请日：2015-07-15

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Li, Yulan ,  Li, Yuanjing ,  Fu, Jianqiang ,  Zhang, Lan ,  Du, Yingshuai ,  Zhang, Wei ,  Ma, Xuming ,  Li, Jun

IPC分类号： G01T1/24

CPC分类号： G01T1/247 ,  G01T1/241 ,  H04N5/32

摘要： The present invention provides a method and apparatus for processing signals of a semiconductor detector, including: acquiring a relationship of a time difference between anode and cathode signals of the semiconductor detector with an anode signal amplitude; obtaining an optimal data screening interval according to the relationship of the time difference between anode and cathode signals of the semiconductor detector with the anode signal amplitude, wherein the optimal data screening interval is an interval where the time difference between the anode and cathode signals is greater than 50 ns; and screening and processing the collected data according to the optimal data screening interval when the semiconductor detector collects data. The present invention better overcomes the inherent crystal defects of the detector, reduces the effect of background noise, increases the energy resolution of the cadmium zinc telluride detector under room temperature, and improves the peak-to-compton ratio.

公开(公告)号：EP2796897A1

公开(公告)日：2014-10-29

申请号：EP14150977.8

申请日：2014-01-13

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Li, Yuanjing ,  Zhang, Lan ,  Li, Yulan ,  Liu, Yinong ,  Fu, Jianqiang ,  Jiang, Hao ,  Deng, Zhi ,  Xue, Tao ,  Zhang, Wei ,  Li, Jun

IPC分类号： G01T1/24

CPC分类号： G01T1/366 ,  G01T1/241 ,  G01T3/08

摘要： The invention provides a semiconductor detector (100), and the semiconductor detector (100) comprises a semiconductor crystal (101), a cathode (102), an anode (103) and at least one ladder electrode (104); the semiconductor crystal (101) comprises a top surface (101-2), a bottom surface (101-1) and at least one side (101-3); the cathode (102), the anode (103) and the ladder electrode (104) are conductive thin films deposited on a surface of the semiconductor crystal (101); the cathode (102) is disposed on the bottom surface (101-1) of the semiconductor crystal (101), the anode (103) is disposed on the top surface (101-2) of the semiconductor crystal (101), the ladder electrode (104) is disposed on the at least one side (101-3) of the semiconductor crystal (101); and the ladder electrode (104) comprises a plurality of sub-electrodes. As compared to the prior art, the semiconductor detector can improve the energy resolution.

摘要翻译： 本发明提供一种半导体检测器（100），半导体检测器（100）包括半导体晶体（101），阴极（102），阳极（103）和至少一个梯形电极（104） 半导体晶体（101）包括顶表面（101-2），底表面（101-1）和至少一个侧面（101-3）; 阴极（102），阳极（103）和梯形电极（104）是沉积在半导体晶体（101）的表面上的导电薄膜; 阴极（102）设置在半导体晶体（101）的底表面（101-1）上，阳极（103）设置在半导体晶体（101）的顶表面（101-2）上，梯子 电极（104）设置在半导体晶体（101）的至少一个侧面（101-3）上; 并且梯形电极（104）包括多个子电极。 与现有技术相比，半导体检测器可以提高能量分辨率。

公开(公告)号：EP2796897B1

公开(公告)日：2019-04-17

申请号：EP14150977.8

申请日：2014-01-13

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Li, Yuanjing ,  Zhang, Lan ,  Li, Yulan ,  Liu, Yinong ,  Fu, Jianqiang ,  Jiang, Hao ,  Deng, Zhi ,  Xue, Tao ,  Zhang, Wei ,  Li, Jun

IPC分类号： G01T1/24

公开(公告)号：EP2762924A3

公开(公告)日：2017-10-04

申请号：EP14152584.0

申请日：2014-01-27

申请人： Nuctech Company Limited ,  Tsinghua University

发明人： Zhang, Lan ,  Li, Yulan ,  Li, Yuanjing ,  Liu, Yinong ,  Fu, Jianqiang ,  Jiang, Hao ,  Zhang, Wei ,  Liu, Yanqing ,  Li, Jun

IPC分类号： G01T1/24

摘要： The present disclosure provides a radiation detector, comprising: a semiconductor crystal (101) for detecting radiation, the semiconductor crystal comprising a top surface, a bottom surface, and at least one side surface; at least one anode (103) arranged on at least one of the top surface, the bottom surface, and the at least one side surface; and at least one cathode (102) arranged on at least another one of the top surface, the bottom surface, and the at least one side surface, wherein the at least one anode each has a stripe shape, the at least one cathode each has a planar or curved shape, and the at least one cathode and the at least one anode extend in parallel with respect to each other to a length substantially equal to that of the anode. Such an electrode structure can improve energy resolution and detection efficiency of the radiation detector effectively.

摘要翻译： 本公开提供了一种辐射探测器，包括：用于探测辐射的半导体晶体（101），所述半导体晶体包括顶面，底面和至少一个侧面; 至少一个阳极（103），其布置在所述顶表面，所述底表面和所述至少一个侧表面中的至少一个上; 和布置在所述顶表面，所述底表面和所述至少一个侧表面中的至少另一个上的至少一个阴极（102），其中所述至少一个阳极各自具有条形形状，所述至少一个阴极各自具有 平面或弯曲形状，并且所述至少一个阴极和所述至少一个阳极相对于彼此平行地延伸到基本上等于所述阳极的长度的长度。 这种电极结构可以有效地提高放射线检测器的能量分辨率和检测效率。

公开(公告)号：EP2975431A2

公开(公告)日：2016-01-20

申请号：EP15176890.0

申请日：2015-07-15

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： Li, Yulan ,  Li, Yuangjing ,  Fu, Jianqiang ,  Zhang, Lan ,  Du, Yigshuai ,  Zhang, Wei ,  Ma, Xuming ,  Li, Jun

IPC分类号： G01T1/24

CPC分类号： G01T1/247 ,  G01T1/241 ,  H04N5/32

摘要： The present invention provides a method and apparatus for processing signals of a semiconductor detector, including: acquiring a relationship of a time difference between anode and cathode signals of the semiconductor detector with an anode signal amplitude; obtaining an optimal data screening interval according to the relationship of the time difference between anode and cathode signals of the semiconductor detector with the anode signal amplitude, wherein the optimal data screening interval is an interval where the time difference between the anode and cathode signals is greater than 50 ns; and screening and processing the collected data according to the optimal data screening interval when the semiconductor detector collects data. The present invention better overcomes the inherent crystal defects of the detector, reduces the effect of background noise, increases the energy resolution of the cadmium zinc telluride detector under room temperature, and improves the peak-to-compton ratio.

摘要翻译： 本发明提供了一种处理半导体探测器信号的方法和装置，包括：获取半导体探测器的阳极信号和阴极信号之间的时间差与阳极信号幅度的关系; 根据所述半导体探测器的阳极信号与阴极信号的时间差与所述阳极信号幅度的关系，得到最佳的数据筛选间隔，其中，所述最佳的数据筛选间隔为阳极信号与阴极信号的时间差较大的区间 超过50纳秒; 并根据半导体探测器收集数据时的最佳数据筛选间隔对收集到的数据进行筛选和处理。 本发明更好地克服了探测器固有的晶体缺陷，减少了背景噪声的影响，提高了室温下碲化镉探测器的能量分辨率，提高了峰 - 康比率。

公开(公告)号：EP2762924A2

公开(公告)日：2014-08-06

申请号：EP14152584.0

申请日：2014-01-27

申请人： Nuctech Company Limited ,  Tsinghua University

发明人： Zhang, Lan ,  Li, Yulan ,  Li, Yuanjing ,  Liu, Yinong ,  Fu, Jianqiang ,  Jiang, Hao ,  Zhang, Wei ,  Liu, Yanqing ,  Li, Jun

IPC分类号： G01T1/24

摘要： The present disclosure provides a radiation detector, comprising: a semiconductor crystal (101) for detecting radiation, the semiconductor crystal comprising a top surface, a bottom surface, and at least one side surface; at least one anode (103) arranged on at least one of the top surface, the bottom surface, and the at least one side surface; and at least one cathode (102) arranged on at least another one of the top surface, the bottom surface, and the at least one side surface, wherein the at least one anode each has a stripe shape, the at least one cathode each has a planar or curved shape, and the at least one cathode and the at least one anode extend in parallel with respect to each other to a length substantially equal to that of the anode. Such an electrode structure can improve energy resolution and detection efficiency of the radiation detector effectively.

摘要翻译： 本公开提供一种辐射检测器，包括：用于检测辐射的半导体晶体（101），所述半导体晶体包括顶表面，底表面和至少一个侧表面; 至少一个阳极（103）布置在所述顶表面，所述底表面和所述至少一个侧表面中的至少一个上; 以及布置在所述顶表面，所述底表面和所述至少一个侧表面中的至少另一个上的至少一个阴极（102），其中所述至少一个阳极各自具有条形形状，所述至少一个阴极各自具有 平面或弯曲形状，并且所述至少一个阴极和所述至少一个阳极相对于彼此平行延伸至与所述阳极的长度基本相等的长度。 这样的电极结构可以有效地提高辐射探测器的能量分辨率和检测效率。