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    • 4. 发明申请
    • SINGLE OR MULTI-ENERGY VERTICAL RADIATION SENSITIVE DETECTORS
    • 单或多能量垂直辐射敏感探测器
    • WO2012104775A2
    • 2012-08-09
    • PCT/IB2012050426
    • 2012-01-30
    • KONINKL PHILIPS ELECTRONICS NVRONDA CORNELIS REINDERLEVENE SIMHACARMI RAZWAINER NAORLIVNE AMIRSHIRIAEV ROMAN
    • RONDA CORNELIS REINDERLEVENE SIMHACARMI RAZWAINER NAORLIVNE AMIRSHIRIAEV ROMAN
    • G21K4/00
    • G01T1/2006G01T1/1644G01T1/2018
    • A vertical radiation sensitive detector array (114) includes at least one detector leaf (118). The detector leaf includes a scintillator array (210, 502, 807, 907), including, at least, a top side (212) which receives radiation, a bottom side (218) and a rear side (214) and a photo-sensor circuit board (200, 803, 903), including a photo-sensitive region (202, 508, 803, 903), optically coupled to the rear side of the scintillator array. The detector leaf further includes processing electronics (406) disposed below the scintillator array, a flexible circuit board (220) electrically coupling the photo-sensitive region and the processing electronics, and a radiation shield (236) disposed below the bottom of the scintillator array, between the scintillator and the processing electronics, thereby shielding the processing electronics from residual radiation passing through the scintillator array. Some embodiments incorporate rare earth iodides such as SrI 2 (Eu).
    • 垂直辐射敏感检测器阵列(114)包括至少一个检测器叶片(118)。 检测器叶片包括闪烁体阵列(210,502,807,907),至少包括接收辐射的顶侧(212),底侧(218)和后侧(214)和光传感器 电路板(200,803,903),其包括光学耦合到闪烁体阵列的后侧的光敏区域(202,508,803,903)。 检测器叶片还包括设置在闪烁体阵列下方的处理电子器件(406),电耦合光敏区域和处理电子器件的柔性电路板(220)和设置在闪烁体阵列底部下方的辐射屏蔽(236) ,在闪烁体和处理电子器件之间,从而屏蔽处理电子器件与通过闪烁体阵列的剩余辐射。 一些实施方案包括稀土碘化物如SrI 2(Eu)。
    • 6. 发明申请
    • RADIATION DETECTOR
    • 辐射探测器
    • WO2009060340A2
    • 2009-05-14
    • PCT/IB2008054453
    • 2008-10-29
    • KONINKL PHILIPS ELECTRONICS NVWAINER NAORLEVENE SIMHA
    • WAINER NAORLEVENE SIMHA
    • G01T1/2018G01T1/2002
    • The invention relates to a light-reflecting material of a radiation detector, which also comprises photo-detecting elements and imaging elements adjacent to the photo-detecting elements. Typically, epoxy resin is used as the light-reflecting material. According to the invention, a tough, pliable resin may be used for the photo-detecting elements. This has the advantage of reducing thermal stresses inside the radiation detector, thus reducing the risk of delamination due to e.g. temperature shifts. Moreover, the tough, pliable resin preferably also has a low refractive index, which may increase the scattering coefficient of the resin as compared to epoxy resin, which has a refractive index of 1.58. The layer thickness of a low- refractive index resin may thereby be reduced as compared to the layer thickness of epoxy resin for a given level of optical crosstalk. Preferable resins are silicon resins and resins of thermoplastic fluoropolymers.
    • 本发明涉及一种辐射检测器的光反射材料,其还包括光检测元件和与光检测元件相邻的成像元件。 通常,使用环氧树脂作为光反射材料。 根据本发明,光敏元件可以使用韧性柔韧的树脂。 这具有降低辐射检测器内的热应力的优点,从而降低由于例如温度而导致的分层的风险。 温度变化。 此外,韧性柔韧的树脂优选还具有低折射率,与折射率为1.58的环氧树脂相比,可以增加树脂的散射系数。 因此,与给定光学串扰水平的环氧树脂的层厚度相比,低折射率树脂的层厚可以减小。 优选的树脂是硅树脂和热塑性含氟聚合物的树脂。
    • 7. 发明申请
    • DOUBLE DECKER DETECTOR FOR SPECTRAL CT
    • 用于光谱CT的双层探测器
    • WO2006114716A3
    • 2007-03-08
    • PCT/IB2006051091
    • 2006-04-10
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS CORPALTMAN AMISHAPIRO OLGALEVENE SIMHAWAINER NAOR
    • ALTMAN AMISHAPIRO OLGALEVENE SIMHAWAINER NAOR
    • A61B6/03
    • G01T1/2018A61B6/032A61B6/4241A61B6/4291A61B6/482G01T1/202
    • A radiation detector (24) includes a two-dimensional array of upper scintillators (30t) which is disposed facing an x-ray source (14) to convert lower energy radiation into visible light and transmit higher energy radiation. A two-dimensional array of lower scintillators (30B) is disposed adjacent the upper scintillators (30t) distally from the x-ray source (14) to convert the transmitted higher energy radiation into visible light. Respective active areas (94, 96) of each upper and lower photodetector arrays (38t, 38B) are optically coupled to the respective upper and lower scintillators (30t, 30B) at an inner side (60) of the scintillators (30t, 30B) which inner side (60) is generally perpendicular to an axial direction (Z). Interference filters (110, 112) may be deposited on the active areas (94, 96) of the associated upper and lower photodetectors (38t, 38B) to restrict radiation wavelengths received by the upper and lower photodetectors (38t, 38B) to wavelengths emitted by the respective upper and lower scintillators (30t, 30B). The upper scintillators (30t) may include at least one of ZnSe(Te) and YAG(Ce).
    • 放射线检测器(24)包括面向x射线源(14)设置的上部闪烁体(30t)的二维阵列,以将较低能量的辐射转换成可见光并传输更高的能量辐射。 将下部闪烁体(30B)的二维阵列设置成与X射线源(14)远离的上部闪烁体(30t)相邻,以将透射的较高能量辐射转换成可见光。 每个上和下光电检测器阵列(38t,38B)的相关活性区域(94,96)在闪烁体(30t,30B)的内侧(60)处光学耦合到相应的上和下闪烁体(30t,30B) 该内侧(60)大致垂直于轴向(Z)。 可以将干涉滤光器(110,112)沉积在相关联的上和下光电检测器(38t,38B)的有源区(94,96)上,以将由上和下光电检测器(38t,38B)接收的辐射波长限制为发射的波长 通过相应的上和下闪烁体(30t,30B)。 上部闪烁体(30t)可以包括ZnSe(Te)和YAG(Ce)中的至少一种。
    • 8. 发明申请
    • DETECTOR ARRAY FOR SPECTRAL CT
    • 检测器阵列用于光谱CT
    • WO2006114715A3
    • 2007-04-26
    • PCT/IB2006051062
    • 2006-04-06
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS CORPLEVENE SIMHASHAPIRO OLGAALTMAN AMIWAINER NAOR
    • LEVENE SIMHASHAPIRO OLGAALTMAN AMIWAINER NAOR
    • G01T1/20G01T1/202G01T1/29
    • G01T1/202G01T1/2018G01T1/2985Y10T29/49002
    • A radiation detector (24) includes a two-dimensional array of upper scintillators (30t) which is disposed facing an x-ray source (14) to convert lower energy radiation events into visible light and transmit higher energy radiation. A two-dimensional array of lower scintillators (30 B ) is disposed adjacent the upper scintillators (30t) distally from the x-ray source (14) to convert the transmitted higher energy radiation into visible light. Upper and lower photodetectors (38t, 38 B ) are optically coupled to the respective upper and lower scintillators (30t,30 B ) at an inner side (60) of the scintillators (30t,30 B ). An optical element (100) is optically coupled with the upper scintillators (30t) to collect and channel the light from the upper scintillators (30t) into corresponding upper photodetectors (38t).
    • 辐射检测器(24)包括面向x射线源(14)设置的上部闪烁体(30t)的二维阵列,以将较低能量辐射事件转换成可见光并传输较高能量辐射。 与X射线源(14)向远侧的上部闪烁体(30t)相邻设置下部闪烁体(30B)的二维阵列,以将透射的较高能量辐射转换成可见光。 在闪烁体的内侧(60)处将上和下光电检测器(38t,38B)光耦合到相应的上和下闪烁体(30t,30B) (30T,30 )。 光学元件(100)与上部闪烁体(30t)光学耦合以收集并将来自上部闪烁体(30t)的光引导到相应的上部光电检测器(38t)中。