公开(公告)号：US07315025B2

公开(公告)日：2008-01-01

申请号：US11583811

申请日：2006-10-20

申请人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

发明人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

IPC分类号： H01L27/18

CPC分类号： H01L27/14658 ,  G01T1/241 ,  H01L27/14603 ,  H01L27/14659 ,  H01L31/022408 ,  H01L31/0352

摘要： A practical semiconductor radiation detector capable of collecting electrons rapidly with a large volume is disclosed. A multiple layers of grid electrodes around an anode formed on a semiconductor element limits the generation of the induced charge signal for the anode to the space in the neighborhood of the anode, while at the same time making it possible to collect the electrons rapidly. As a result of limiting the space for generating the induced charge by the grid electrodes, the energy resolution is improved even for a thick semiconductor element. Also, the capability of rapidly collecting the electrons due to the high field strength generated by the grid electrodes makes a sensitive volume of the whole semiconductor and thus achieves a high radiation detection efficiency.

摘要翻译： 公开了能够以大体积快速收集电子的实用的半导体辐射检测器。 形成在半导体元件上的阳极周围的多层栅电极限制了阳极的感应电荷信号的产生到阳极附近的空间，同时使得能够快速收集电子。 由于限制由栅电极产生感应电荷的空间，即使对于厚半导体元件也能够提高能量分辨率。 此外，由于由栅电极产生的高场强而迅速收集电子的能力使整个半导体的灵敏体积达到高的辐射检测效率。

公开(公告)号：US20070034801A1

公开(公告)日：2007-02-15

申请号：US11583811

申请日：2006-10-20

申请人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

发明人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

IPC分类号： H01L27/14

CPC分类号： H01L27/14658 ,  G01T1/241 ,  H01L27/14603 ,  H01L27/14659 ,  H01L31/022408 ,  H01L31/0352

摘要： A practical semiconductor radiation detector capable of collecting electrons rapidly with a large volume is disclosed. A multiple layers of grid electrodes around an anode formed on a semiconductor element limits the generation of the induced charge signal for the anode to the space in the neighborhood of the anode, while at the same time making it possible to collect the electrons rapidly. As a result of limiting the space for generating the induced charge by the grid electrodes, the energy resolution is improved even for a thick semiconductor element. Also, the capability of rapidly collecting the electrons due to the high field strength generated by the grid electrodes makes a sensitive volume of the whole semiconductor and thus achieves a high radiation detection efficiency.

摘要翻译： 公开了能够以大体积快速收集电子的实用的半导体辐射检测器。 形成在半导体元件上的阳极周围的多层栅电极限制了阳极的感应电荷信号的产生到阳极附近的空间，同时使得能够快速收集电子。 由于限制由栅电极产生感应电荷的空间，即使对于厚半导体元件也能够提高能量分辨率。 此外，由于由栅电极产生的高场强而迅速收集电子的能力使整个半导体的灵敏体积达到高的辐射检测效率。

公开(公告)号：US07141797B2

公开(公告)日：2006-11-28

申请号：US10402970

申请日：2003-04-01

申请人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

发明人： Kazuma Yokoi ,  Hiroshi Kitaguchi ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Yuuichirou Ueno ,  Norihito Yanagita ,  Shinichi Kojima

IPC分类号： G01T1/24

CPC分类号： H01L27/14658 ,  G01T1/241 ,  H01L27/14603 ,  H01L27/14659 ,  H01L31/022408 ,  H01L31/0352

摘要： A practical semiconductor radiation detector capable of collecting electrons rapidly with a large volume is disclosed. A multiple layers of grid electrodes around an anode formed on a semiconductor element limits the generation of the induced charge signal for the anode to the space in the neighborhood of the anode, while at the same time making it possible to collect the electrons rapidly. As a result of limiting the space for generating the induced charge by the grid electrodes, the energy resolution is improved even for a thick semiconductor element. Also, the capability of rapidly collecting the electrons due to the high field strength generated by the grid electrodes makes a sensitive volume of the whole semiconductor and thus achieves a high radiation detection efficiency.

摘要翻译： 公开了能够以大体积快速收集电子的实用的半导体辐射检测器。 形成在半导体元件上的阳极周围的多层栅电极限制了阳极的感应电荷信号的产生到阳极附近的空间，同时使得能够快速收集电子。 由于限制由栅电极产生感应电荷的空间，即使对于厚半导体元件也能够提高能量分辨率。 此外，由于由栅电极产生的高场强而迅速收集电子的能力使整个半导体的灵敏体积达到高的辐射检测效率。

公开(公告)号：US20060153339A1

公开(公告)日：2006-07-13

申请号：US11370915

申请日：2006-03-09

申请人： Yuuichirou Ueno ,  Hiroshi Kitaguchi ,  Kensuke Amemiya ,  Kikuo Umegaki ,  Norihito Yanagita ,  Shinichi Kojima ,  Kazuma Yokoi

发明人： Yuuichirou Ueno ,  Hiroshi Kitaguchi ,  Kensuke Amemiya ,  Kikuo Umegaki ,  Norihito Yanagita ,  Shinichi Kojima ,  Kazuma Yokoi

IPC分类号： H01J31/50 ,  H01J31/49

CPC分类号： G01T1/2985 ,  A61B6/032 ,  A61B6/037 ,  A61B6/5235 ,  G01T1/1615 ,  G01T1/1644

摘要： The image pickup apparatus of the radiological imaging apparatus of the present invention includes many detector units, a ring-shaped detector support member and an X-ray source circumferential transport apparatus. Each of the detector units is attached to the detector support section in a detachable manner. A plurality of radiation detectors provided for the detector units are arranged in three layers in the radius direction of the detector support member and in three columns in the axial direction of the detector support member. Since the radiation detectors are arranged in three layers in the radius direction, it is possible to recognize the detection position of radiation in the radius direction in detail. Furthermore, since the detector units are attached in a detachable manner, it is easy to replace damaged radiation detectors.

摘要翻译： 本发明的放射线摄影装置的摄像装置具备许多探测器单元，环形探测器支撑构件和X射线源圆周传送装置。 每个检测器单元以可拆卸的方式附接到检测器支撑部分。 为检测器单元设置的多个辐射检测器在检测器支撑构件的半径方向上布置成三层，并且沿检测器支撑构件的轴向方向布置成三列。 由于辐射检测器在半径方向上布置成三层，因此可以详细地识别辐射在半径方向上的检测位置。 此外，由于检测器单元以可拆卸的方式附接，所以易于替换损坏的辐射探测器。

公开(公告)号：US08116427B2

公开(公告)日：2012-02-14

申请号：US13165367

申请日：2011-06-21

申请人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

发明人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

IPC分类号： A61B6/00

CPC分类号： G01T1/1611 ,  A61B6/037 ,  A61B6/4241 ,  A61B6/5235 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  G01T1/2985 ,  Y10S378/901

摘要： A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a large number of radiation detectors and radiation detector support plates. A large number of radiation detectors are mounted around the circumference of a through-hole and arranged in the axial direction of the through-hole. The radiation detectors are arranged in three layers formed radially with respect to the center of the through-hole and mounted on the lateral surfaces of the radiation detector support plates. Since the radiation detectors are not only arranged in the axial direction and circumferential direction of the through-hole but also arrayed in the radial direction, it is possible to obtain accurate information about a γ-ray arrival position in the radial direction of the through-hole (the positional information about a radiation detector from which a γ-ray image pickup signal is output). The use of accurate information about γ-ray arrival increases the tomogram accuracy. As a result, the present invention enhances the, tomogram accuracy, that is, the PET examination accuracy.

摘要翻译： 本发明的放射学成像装置包括：图像拾取装置和设有床的医疗检查者保持装置。 图像拾取装置包括大量的辐射检测器和辐射检测器支撑板。 大量的辐射探测器安装在通孔的圆周周围并沿通孔的轴向布置。 辐射检测器被布置成相对于通孔的中心径向形成的三层，并且安装在辐射检测器支撑板的侧表面上。 由于辐射检测器不仅沿通孔的轴向和圆周方向布置，而且沿径向排列，可以获得关于通孔的径向上的γ射线到达位置的准确信息， （关于从其输出γ射线摄像信号的放射线检测器的位置信息）。 使用关于γ射线到达的准确信息可以增加断层图像的准确性。 结果，本发明提高了断层图像精度，即PET检查精度。

公开(公告)号：US07986763B2

公开(公告)日：2011-07-26

申请号：US12614933

申请日：2009-11-09

申请人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

发明人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

IPC分类号： A61B6/00

CPC分类号： G01T1/1611 ,  A61B6/037 ,  A61B6/4241 ,  A61B6/5235 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  G01T1/2985 ,  Y10S378/901

摘要： A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a large number of radiation detectors and radiation detector support plates. A large number of radiation detectors are mounted around the circumference of a through-hole and arranged in the axial direction of the through-hole. The radiation detectors are arranged in three layers formed radially with respect to the center of the through-hole and mounted on the lateral surfaces of the radiation detector support plates. Since the radiation detectors are not only arranged in the axial direction and circumferential direction of the through-hole but also arrayed in the radial direction, it is possible to obtain accurate information about a γ-ray arrival position in the radial direction of the through-hole (the positional information about a radiation detector from which a γ-ray image pickup signal is output). The use of accurate information about γ-ray arrival increases the tomogram accuracy. As a result, the present invention enhances the tomogram accuracy, that is, the PET examination accuracy.

摘要翻译： 本发明的放射学成像装置包括：图像拾取装置和设有床的医疗检查者保持装置。 图像拾取装置包括大量的辐射检测器和辐射检测器支撑板。 大量的辐射探测器安装在通孔的圆周周围并沿通孔的轴向布置。 辐射检测器被布置成相对于通孔的中心径向形成的三层，并且安装在辐射检测器支撑板的侧表面上。 由于辐射检测器不仅沿通孔的轴向和圆周方向布置，而且沿径向排列，可以获得关于通孔的径向上的γ射线到达位置的准确信息， （关于从其输出γ射线摄像信号的放射线检测器的位置信息）。 使用关于γ射线到达的准确信息可以增加断层图像的准确性。 结果，本发明增强了断层图像精度，即PET检查精度。

公开(公告)号：US07297958B2

公开(公告)日：2007-11-20

申请号：US10270151

申请日：2002-10-15

申请人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

发明人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

IPC分类号： G01T1/24 ,  G01T1/161 ,  G01T1/172 ,  G01T1/29 ,  H05G1/64

CPC分类号： G01T1/1611 ,  A61B6/037 ,  A61B6/4241 ,  A61B6/5235 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  G01T1/2985 ,  Y10S378/901

摘要： A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a large number of radiation detectors and radiation detector support plates. A large number of radiation detectors are mounted around the circumference of a through-hole and arranged in the axial direction of the through-hole. The radiation detectors are arranged in three layers formed radially with respect to the center of the through-hole and mounted on the lateral surfaces of the radiation detector support plates. Since the radiation detectors are not only arranged in the axial direction and circumferential direction of the through-hole but also arrayed in the radial direction, it is possible to obtain accurate information about a γ-ray arrival position in the radial direction of the through-hole (the positional information about a radiation detector from which a γ-ray image pickup signal is output). The use of accurate information about γ-ray arrival increases the tomogram accuracy. As a result, the present invention enhances the tomogram accuracy, that is, the PET examination accuracy.

摘要翻译： 本发明的放射学成像装置包括：图像拾取装置和设有床的医疗检查者保持装置。 图像拾取装置包括大量的辐射检测器和辐射检测器支撑板。 大量的辐射探测器安装在通孔的圆周周围并沿通孔的轴向布置。 辐射检测器被布置成相对于通孔的中心径向形成的三层，并且安装在辐射检测器支撑板的侧表面上。 由于辐射检测器不仅沿着通孔的轴向方向和圆周方向布置，而且沿径向排列，可以获得关于通孔的径向方向上的伽马射线到达位置的准确信息， （关于从其输出伽马射线摄像信号的放射线检测器的位置信息）。 使用关于伽马射线到达的准确信息增加了断层图像的准确性。 结果，本发明增强了断层图像精度，即PET检查精度。

公开(公告)号：US07218701B2

公开(公告)日：2007-05-15

申请号：US11370915

申请日：2006-03-09

申请人： Yuuichirou Ueno ,  Hiroshi Kitaguchi ,  Kensuke Amemiya ,  Kikuo Umegaki ,  Norihito Yanagita ,  Shinichi Kojima ,  Kazuma Yokoi

发明人： Yuuichirou Ueno ,  Hiroshi Kitaguchi ,  Kensuke Amemiya ,  Kikuo Umegaki ,  Norihito Yanagita ,  Shinichi Kojima ,  Kazuma Yokoi

IPC分类号： A61B6/00

CPC分类号： G01T1/2985 ,  A61B6/032 ,  A61B6/037 ,  A61B6/5235 ,  G01T1/1615 ,  G01T1/1644

摘要： The image pickup apparatus of the radiological imaging apparatus of the present invention includes many detector units, a ring-shaped detector support member and an X-ray source circumferential transport apparatus. Each of the detector units is attached to the detector support section in a detachable manner. A plurality of radiation detectors provided for the detector units are arranged in three layers in the radius direction of the detector support member and in three columns in the axial direction of the detector support member. Since the radiation detectors are arranged in three layers in the radius direction, it is possible to recognize the detection position of radiation in the radius direction in detail. Furthermore, since the detector units are attached in a detachable manner, it is easy to replace damaged radiation detectors.

摘要翻译： 本发明的放射线摄影装置的摄像装置具备许多探测器单元，环形探测器支撑构件和X射线源圆周传送装置。 每个检测器单元以可拆卸的方式附接到检测器支撑部分。 为检测器单元设置的多个辐射检测器在检测器支撑构件的半径方向上布置成三层，并且沿检测器支撑构件的轴向方向布置成三列。 由于辐射检测器在半径方向上布置成三层，因此可以详细地识别辐射在半径方向上的检测位置。 此外，由于检测器单元以可拆卸的方式附接，所以易于替换损坏的辐射探测器。

公开(公告)号：US20060214110A1

公开(公告)日：2006-09-28

申请号：US11375598

申请日：2006-03-15

申请人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

发明人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

IPC分类号： G01T1/00

CPC分类号： G01T1/1615 ,  A61B6/037 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  G01T1/1611 ,  G01T1/1647 ,  G01T1/242 ,  G01T1/249 ,  G01T1/2985

摘要： A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a large number of radiation detectors and radiation detector support plates. A large number of radiation detectors are mounted around the circumference of a through-hole and arranged in the axial direction of the through-hole. The radiation detectors are arranged in three layers formed radially with respect to the center of the through-hole and mounted on the lateral surfaces of the radiation detector support plates. Since the radiation detectors are not only arranged in the axial direction and circumferential direction of the through-hole but also arrayed in the radial direction, it is possible to obtain accurate information about a γ-ray arrival position in the radial direction of the through-hole (the positional information about a radiation detector from which a γ-ray image pickup signal is output). The use of accurate information about γ-ray arrival increases the tomogram accuracy. As a result, the present invention enhances the tomogram accuracy, that is, the PET examination accuracy.

公开(公告)号：US20050127302A1

公开(公告)日：2005-06-16

申请号：US11050689

申请日：2005-02-07

申请人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

发明人： Shinichi Kojima ,  Takashi Okazaki ,  Yuuichirou Ueno ,  Kikuo Umegaki ,  Kensuke Amemiya ,  Kazuhiro Takeuchi ,  Hiroshi Kitaguchi ,  Kazuma Yokoi ,  Norihito Yanagita

IPC分类号： A61B6/00 ,  G01N23/00 ,  G01N23/04 ,  G01T1/164 ,  G01T1/29 ,  G21K1/12 ,  H05G1/60

CPC分类号： G01T1/1615 ,  A61B6/037 ,  G01N23/046 ,  G01N2223/419 ,  G01N2223/612 ,  G01T1/1611 ,  G01T1/1647 ,  G01T1/242 ,  G01T1/249 ,  G01T1/2985

摘要： A radiological imaging apparatus of the present invention comprises an image pickup device and a medical examinee holding device that is provided with a bed. The image pickup device includes a large number of radiation detectors and radiation detector support plates. A large number of radiation detectors are mounted around the circumference of a through-hole and arranged in the axial direction of the through-hole. The radiation detectors are arranged in three layers formed radially with respect to the center of the through-hole and mounted on the lateral surfaces of the radiation detector support plates. Since the radiation detectors are not only arranged in the axial direction and circumferential direction of the through-hole but also arrayed in the radial direction, it is possible to obtain accurate information about a γ-ray arrival position in the radial direction of the through-hole (the positional information about a radiation detector from which a γ-ray image pickup signal is output). The use of accurate information about γ-ray arrival increases the tomogram accuracy. As a result, the present invention enhances the tomogram accuracy, that is, the PET examination accuracy.

摘要翻译： 本发明的放射学成像装置包括：图像拾取装置和设有床的医疗检查者保持装置。 图像拾取装置包括大量的辐射检测器和辐射检测器支撑板。 大量的辐射探测器安装在通孔的圆周周围并沿通孔的轴向布置。 辐射检测器被布置成相对于通孔的中心径向形成的三层，并且安装在辐射检测器支撑板的侧表面上。 由于辐射检测器不仅沿着通孔的轴向方向和圆周方向布置，而且沿径向排列，可以获得关于通孔的径向方向上的伽马射线到达位置的准确信息， （关于从其输出伽马射线摄像信号的放射线检测器的位置信息）。 使用关于伽马射线到达的准确信息增加了断层图像的准确性。 结果，本发明增强了断层图像精度，即PET检查精度。