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    • 5. 发明申请
    • CHARGE READ-OUT STRUCTURE FOR A PHOTON/PARTICLE DETECTOR
    • 用于光子/粒子检测器的电荷读出结构
    • WO2011055107A2
    • 2011-05-12
    • PCT/GB2010/002014
    • 2010-11-01
    • UNIVERSITY OF LEICESTERLAPINGTON, Jonathan, Stephen
    • LAPINGTON, Jonathan, Stephen
    • G01T1/29
    • H01J43/025G01T1/2935G01T1/2957H01J43/246
    • A charge read-out structure for photon and particle detectors, which is capable of spatially-resolving a position of the charge. The structure comprises a resistive element defining a detection surface which is capacitively coupled to an array of electrically insulated electrodes. Each electrode in the array is capacitively coupled to an adjacent electrode in the array to form a capacitively coupled network of electrodes. Selected ones of the electrodes in the array are each coupled to an array output for connection to a respective charge measurement device. The resistive element has a resistivity sufficient to temporarily localize a charge induced on the resistive element to an area corresponding to a subset of said electrodes in the array and for a duration sufficient for signal measurement from the array of electrodes. Charge measurement devices are coupled to selected electrodes in the network such that the spatial position of a charge event in the network can be determined by comparing the outputs from each charge measurement device.
    • 用于光子和粒子检测器的电荷读出结构,其能够空间分辨电荷的位置。 该结构包括限定检测表面的电阻元件,该检测表面电容耦合到电绝缘电极阵列。 阵列中的每个电极电容性耦合到阵列中的相邻电极以形成电容性耦合的电极网络。 阵列中的所选电极中的每一个均耦合到阵列输出以连接到相应的电荷测量装置。 电阻元件的电阻率足以将在电阻元件上感应的电荷临时定位到对应于阵列中的所述电极的子集的区域,并持续足以用于来自电极阵列的信号测量的持续时间。 电荷测量装置耦合到网络中的选定电极,使得网络中的电荷事件的空间位置可以通过比较来自每个电荷测量装置的输出来确定。
    • 7. 发明申请
    • CHARGE DETECTOR ARRAY
    • 充电检测器阵列
    • WO2005122213A2
    • 2005-12-22
    • PCT/GB2005/002224
    • 2005-06-07
    • UNIVERSITY OF WALES, ABERYSTWYTHLANGSTAFF, DavidBIRKINSHAW, Keith
    • LANGSTAFF, DavidBIRKINSHAW, Keith
    • H01J43/24
    • G01T1/28H01J43/246
    • A charge detector array for recording signals from a microchannel plate (MCP) in which a synchroniser circuit (14) is provided in respect of each of a plurality of channels, interposed between a respective charge amplifier and discriminator unit (12) and a counter (16), for monitoring output pulses generated in respect of the channel of interest and one or more channels adjacent thereto, and for only causing an output pulse in respect of the channel of interest to be counted if it is generated before any output pulses generated in respect of the adjacent channels, and/or its duration is greater than that of any output pulses generated in respect of the adjacent channels, thereby enhancing the resultant image.
    • 一种用于记录来自微通道板(MCP)的信号的电荷检测器阵列,其中相对于多个通道中的每一个提供同步器电路(14),插入在相应的电荷放大器和鉴别器单元(12)和计数器 16),用于监视关于感兴趣信道和与其相邻的一个或多个信道所产生的输出脉冲,并且仅在对感兴趣信道产生的输出脉冲之前产生的任何输出脉冲之前产生 相邻信道的相对和/或其持续时间大于相邻信道产生的任何输出脉冲的持续时间,从而增强所得到的图像。
    • 10. 发明申请
    • NIGHT VISION DEVICE AND METHOD
    • 夜视设备和方法
    • WO00048227A1
    • 2000-08-17
    • PCT/US2000/001809
    • 2000-01-24
    • G21K4/00G01T1/00H01J9/12H01J9/26H01J9/38H01J9/40H01J31/50H01J43/04H04N5/30H01J40/14H01J43/00
    • H01J9/125H01J31/507H01J43/045H01J43/246H01J2231/50063H01J2231/5016
    • A night vision device (10) with an image intensifier tube (14) includes an improved microchannel plate (22) which has an extraordinarily low indigenous population of gas molecules. Because of this low population of gas molecules, positive ions produced from these gas molecules in the high voltage operating environment of the image intensifier tube (14) are of such a low number that the image intensifier tube (14) will operate for a satisfactory service life even though the microchannel plate (22) has no ion barrier film. The microchannel plate (22) is also spaced much closer to a photocathode (20) of the image intensifier tube (14) than has heretofore been possible. Thus, improved gain and reduction or elimination of image halo also results from the present invention.
    • 具有图像增强管(14)的夜视装置(10)包括改进的微通道板(22),其具有非常低的原始气体分子群体。 由于这种气体分子数量较少,在图像增压管(14)的高压操作环境中由这些气体分子产生的正离子具有如此低的数量,使得图像增压管(14)将以令人满意的服务 即使微通道板(22)没有离子阻挡膜。 微通道板(22)也比之前可能的更接近图像增压管(14)的光电阴极(20)。 因此,改进的增益和减少或消除图像晕晕也是由本发明产生的。