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公开(公告)号:US20160219686A1
公开(公告)日:2016-07-28
申请号:US14994809
申请日:2016-01-13
发明人: Michito NAKAYAMA , Atsushi HASHIMOTO , Tomoe SAGOH , Takaya UMEHARA , Shuya NAMBU , Koichi MIYAMA , Takashi KANEMARU , Keiji MATSUDA , Machiko ISO
IPC分类号: H05G1/56
CPC分类号: G01T1/2985 , A61B6/032 , A61B6/42 , G01N23/046 , G01N2223/304 , G01T1/17
摘要: According to one embodiment, the X-ray computed tomography apparatus includes an X-ray tube, a rotating frame, a plurality of detector elements, a plurality of DAS elements, switching circuitry, and switching control circuitry. The X-ray tube generates X-rays. The X-ray tube is attached to the rotating frame. The plurality of detector elements detect X-rays. The plurality of DAS elements perform signal processing on output signals from the plurality of detector elements. The switching circuitry is provided between the plurality of detector elements and the plurality of DAS elements. The switching control circuitry controls the switching circuitry to switch the connections between the plurality of detector elements and the plurality of DAS elements for every rotation of the rotating frame at a predetermined angle.
摘要翻译: 根据一个实施例,X射线计算机断层摄影装置包括X射线管,旋转框架,多个检测器元件,多个DAS元件,开关电路和开关控制电路。 X射线管产生X射线。 X射线管安装在旋转框架上。 多个检测器元件检测X射线。 多个DAS元件对来自多个检测器元件的输出信号执行信号处理。 开关电路设置在多个检测器元件和多个DAS元件之间。 开关控制电路控制开关电路以预定角度切换旋转框架的每次旋转的多个检测器元件和多个DAS元件之间的连接。
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公开(公告)号:US20150226861A1
公开(公告)日:2015-08-13
申请号:US14615640
申请日:2015-02-06
发明人: Shuya NAMBU , Takayuki YAMAZAKI , Keiji MATSUDA , Machiko ISO , Atsushi HASHIMOTO , Akira NISHIJIMA , Takashi KANEMARU , Koichi MIYAMA , Takaya UMEHARA
CPC分类号: G01N23/046 , G01T1/2985
摘要: An X-ray computer-tomography (CT) apparatus includes an X-ray detector, a reading unit, and a read control unit. The X-ray detector has a first region and a second region at least a part of which is aligned with the first region along a channel direction, the first region in which a plurality of first detection devices that detect X-rays are arranged, the second region in which a plurality of second detection devices having a width smaller in a slice direction than that of the first detection device are arranged. The reading unit reads a signal of the X-rays detected. The read control unit adjusts timing of reading signals from the first detection device and the second detection device according to difference between the size of the first and the second detection device in such a manner that time difference in the reading signals in the slice direction decreases.
摘要翻译: X射线计算机断层摄影(CT)装置包括X射线检测器,读取单元和读取控制单元。 X射线检测器具有第一区域和第二区域,其至少一部分沿着沟道方向与第一区域对准,其中布置有多个检测X射线的第一检测装置的第一区域, 第二区域布置有具有比第一检测装置的切片方向更小的宽度的多个第二检测装置。 读取单元读取检测到的X射线的信号。 读取控制单元根据第一和第二检测装置的尺寸之间的差异来调整从第一检测装置和第二检测装置读取信号的定时,使得切片方向上的读取信号的时间差减小。
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公开(公告)号:US20160033657A1
公开(公告)日:2016-02-04
申请号:US14802176
申请日:2015-07-17
发明人: Keiji MATSUDA , Shuya NAMBU , Takaya UMEHARA , Atsushi HASHIMOTO , Takashi KANEMARU , Akira NISHIJIMA , Koichi MIYAMA , Tomoe SAGOH
CPC分类号: G01T1/241 , G01T1/242 , G01T1/247 , G01T1/2985 , H04N5/32
摘要: An X-ray computed tomography apparatus according to an embodiment includes an X-ray detector that includes a first semiconductor chip including a plurality of elements configured to convert X-rays into an electrical signal, a substrate configured to collect the electrical signal from each element, a second semiconductor chip that is provided between the first semiconductor chip and the substrate and is formed of the same material as that of the first semiconductor chip, a plurality of first electrodes configured to couple each element of the first semiconductor chip to the second semiconductor chip, and a plurality of second electrodes that are configured to couple the second semiconductor chip to the substrate and are larger than the first electrodes. The second semiconductor chip wires the first electrodes and the second electrodes on a one-to-one basis.
摘要翻译: 根据实施例的X射线计算机断层摄影装置包括:X射线检测器,其包括:第一半导体芯片,包括被配置为将X射线转换成电信号的多个元件;被配置为从每个元件收集电信号的基板 ,第二半导体芯片,设置在所述第一半导体芯片和所述基板之间,并且由与所述第一半导体芯片相同的材料形成;多个第一电极,被配置为将所述第一半导体芯片的每个元件耦合到所述第二半导体 芯片和多个第二电极,其被配置为将第二半导体芯片耦合到基板并且大于第一电极。 所述第二半导体芯片在一对一的基础上对所述第一电极和所述第二电极进行导线。
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公开(公告)号:US20170095222A1
公开(公告)日:2017-04-06
申请号:US15164139
申请日:2016-05-25
CPC分类号: A61B6/5258 , A61B6/032 , A61B6/4488 , A61B6/5205 , A61B6/542 , G06F19/00
摘要: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, X-ray detector, data acquisition circuit, and correction circuit. The X-ray tube generates X-rays. The X-ray detector detects the X-rays. The data acquisition circuit acquires data corresponding to an output from the X-ray detector. The correction circuit executes correction processing for third data acquired by the data acquisition circuit in actual scanning, based on first data acquired by the data acquisition circuit in a state of non-irradiation with X-rays before the actual scanning and second data acquired by the data acquisition circuit in the state of non-irradiation with X-rays after the actual scanning.
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公开(公告)号:US20170205517A1
公开(公告)日:2017-07-20
申请号:US15332118
申请日:2016-10-24
发明人: Akira NISHIJIMA , Michito NAKAYAMA , Atsushi HASHIMOTO , Takaya UMEHARA , Shuya NAMBU , Hiroaki MIYAZAKI
IPC分类号: G01T1/20 , A61B6/03 , H01L27/146
CPC分类号: G01T1/2018 , A61B6/032 , A61B6/4233 , H01L27/14659
摘要: An X-ray detector according to an embodiment includes a scintillator array and a photodiode array. In the scintillator array, a plurality of scintillators are arranged in a first direction and a second direction intersecting the first direction. The photodiode array includes photodiodes each of which is installed for a different one of the scintillators and each of which has an active area configured to convert visible light emitted by the scintillator into an electrical signal. The photodiodes are arranged in such a manner that the widths of the active areas are equal to one another in the first direction.
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