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    • 1. 发明申请
    • X-RAY DETECTOR
    • X射线探测器
    • WO2004068168A1
    • 2004-08-12
    • PCT/IB2004/050046
    • 2004-01-22
    • PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHKONINKLIJKE PHILIPS ELECTRONICS N.V.VOGTMEIER, GereonMORALES SERRANO, FranciscoSTEADMAN, Roger
    • VOGTMEIER, GereonMORALES SERRANO, FranciscoSTEADMAN, Roger
    • G01T1/20
    • G01T1/2018
    • The invention relates to an X-ray detector for detecting X-radiation, as used, in particular, in computer tomographic (CT) systems. The X-ray detector in accordance with the invention is composed of a photo sensor device, which comprises individual detector elements (1), above which scintillator elements (2) are disposed. These convert the incident X-ray light (6) into visible or UV light (7), which is detected by a photodiode (4) located on the detector element (1). In accordance with the invention, a micro-lens (3), which focuses the light (7) departing from the scintillator element (2) onto the photodiode (4), is disposed between the scintillator element (2) and the detector element (1). It is possible, in this manner, to use large areas of the detector element (1) for further electronic components (5) outside the photodiode (4), and, at the same time, to ensure a high DQE (Detection Quantum Efficiency) in that the light (7) departing from the scintillator element (2) is virtually fully exploited. The crosstalk from scatter radiation from adjacent detector elements is effectively prevented simultaneously.
    • 本发明涉及用于检测X射线的X射线检测器,特别是在计算机断层摄影(CT)系统中使用。 根据本发明的X射线检测器由光传感器装置组成,该光传感器装置包括单独的检测器元件(1),其上设置有闪烁体元件(2)。 这些将入射的X射线光(6)转换成由位于检测器元件(1)上的光电二极管(4)检测到的可见光或紫外光(7)。 根据本发明,将从闪烁体元件(2)离开的光(7)聚焦到光电二极管(4)上的微透镜(3)设置在闪烁体元件(2)和检测器元件( 1)。 以这种方式,可以将大面积的检测器元件(1)用于在光电二极管(4)外部的另外的电子部件(5),同时,为了确保高的DQE(检测量子效率) 因为从闪烁体元件(2)出发的光(7)实际上被充分利用。 来自相邻检测器元件的散射辐射的串扰被有效地同时防止。
    • 8. 发明公开
    • X-RAY DETECTOR
    • X射线探测器
    • EP1590688A1
    • 2005-11-02
    • EP04704312.0
    • 2004-01-22
    • Philips Intellectual Property & Standards GmbHKoninklijke Philips Electronics N.V.
    • VOGTMEIER, GereonMORALES SERRANO, FranciscoSTEADMAN, Roger
    • G01T1/20
    • G01T1/2018
    • The invention relates to an X-ray detector for detecting X-radiation, as used, in particular, in computer tomographic (CT) systems. The X-ray detector in accordance with the invention is composed of a photo sensor device, which comprises individual detector elements (1), above which scintillator elements (2) are disposed. These convert the incident X-ray light (6) into visible or UV light (7), which is detected by a photodiode (4) located on the detector element (1). In accordance with the invention, a micro-lens (3), which focuses the light (7) departing from the scintillator element (2) onto the photodiode (4), is disposed between the scintillator element (2) and the detector element (1). It is possible, in this manner, to use large areas of the detector element (1) for further electronic components (5) outside the photodiode (4), and, at the same time, to ensure a high DQE (Detection Quantum Efficiency) in that the light (7) departing from the scintillator element (2) is virtually fully exploited. The crosstalk from scatter radiation from adjacent detector elements is effectively prevented simultaneously.
    • 本发明涉及一种用于检测X射线的X射线探测器,尤其是用于计算机断层扫描(CT)系统。 根据本发明的X射线探测器由光电传感器装置组成,该光电传感器装置包括独立的探测器元件(1),闪烁体元件(2)设置在该探测器元件(1)上方。 这些将入射的X射线光(6)转换成可见光或紫外光(7),其由位于检测器元件(1)上的光电二极管(4)检测到。 根据本发明,将从闪烁体元件(2)离开的光(7)聚焦到光电二极管(4)上的微透镜(3)设置在闪烁体元件(2)和检测器元件 1)。 以这种方式,有可能将大面积的检测器元件(1)用于光电二极管(4)外部的其它电子部件(5),并且同时确保高的DQE(检测量子效率) 因为离开闪烁体元件(2)的光(7)实际上被充分利用。 同时有效防止来自相邻探测器元件的散射辐射的串扰。