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    • 3. 发明申请
    • SCINTILLATOR-BASED NEUTRON AND GAMMA-RAY DOSIMETER
    • 基于闪烁体的中子和伽马射线剂量仪
    • WO2016144403A2
    • 2016-09-15
    • PCT/US2015/065558
    • 2015-12-14
    • THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    • POZZI, SaraCLARKE, ShaunFLASKA, Marek
    • G01T1/02G01T1/36
    • G01T3/06G01T1/20
    • A method for obtaining fast neutron and gamma ray quantities in an unknown neutron and gamma ray mixed field. The method is comprised of (1) a radiation detector capable of measuring neutrons and gamma rays, (2) identification of the neutron and the gamma ray interactions based on digital pulse shape analysis, (3) formation of a pulse height (or pulse area) histogram for both neutron and gamma ray events, (4) conversion of the neutron and gamma ray pulse height (or pulse area) histogram into a quantity of interest such as count rate, energy spectra, kerma, absorbed dose, and dose equivalent, for both instantaneous and integral readings, and (5) steps (2-4) occurring in real-time.
    • 用于在未知中子和伽马射线混合场中获得快中子和伽马射线量的方法。 该方法包括(1)能够测量中子和伽马射线的辐射探测器,(2)基于数字脉冲形状分析识别中子和伽马射线相互作用,(3)形成脉冲高度(或脉冲区域 )中子和伽马射线事件的直方图,(4)将中子和伽马射线脉冲高度(或脉冲区域)直方图转换为感兴趣的量,如计数率,能谱,比释动能,吸收剂量和剂量当量, 对于瞬时和整体读数,以及(5)实时发生的步骤(2-4)。
    • 5. 发明申请
    • THERMAL-NEUTRON DETECTORS NOT MAKING USE OF HE-3, AND METHOD FOR THEIR MANUFACTURING
    • 热中子探测器不使用HE-3及其制造方法
    • WO2014188458A1
    • 2014-11-27
    • PCT/IT2014/000116
    • 2014-04-29
    • INFN - ISTITUTO NAZIONALE DI FISICA NUCLEARE
    • FINOCCHIARO, PaoloMARCHETTA, CarmeloCONSENTINO, Luigi GiovanniPAPPALARDO, Alfino DomenicoBARBAGALLO, Massimo
    • G01T3/06
    • G01T3/06
    • A method for producing thermal-neutron detectors that do not make use of 3He, characterized in that it envisages the following steps: I) producing neutron converters by deposition of thin films of 6 LiF on various solid substrates, such as glass, plastic, silicon, scintillating materials, such as CsI and the like; II) coupling one or more thin layers of the neutron converter thus obtained to a scintillator; and III) detecting said scintillation photons via one or more photosensors. The invention also regards a thermal-neutron detector, characterized in that it is constituted by a single scintillator bar, deposited on one face of which either directly or via a purposely provided solid substrate is a neutron-converter material, said bar being coated with reflecting material and being coupled at the two ends to photosensors designed to detect the scintillation light produced by the particles that penetrate into the scintillator.
    • 一种不使用3He的热 - 中子探测器的制造方法,其特征在于其设计如下步骤:I)通过将6LiF的薄膜沉积在各种固体基底上,例如玻璃,塑料,硅, 闪烁材料,例如CsI等; II)将由此获得的中子转换器的一个或多个薄层耦合到闪烁体; 和III)通过一个或多个光电传感器检测所述闪烁光子。 本发明还涉及一种热 - 中子探测器,其特征在于,其由单个闪烁棒构成,沉积在其一个面上,直接或经由故意提供的固体基底是中子转换器材料,所述棒涂覆有反射 材料并且在两端耦合到设计用于检测由穿透入闪烁器的颗粒产生的闪烁光的光电传感器。
    • 8. 发明申请
    • NEUTRON CAMERA EMPLOYING ROW AND COLUMN SUMMATIONS
    • NEUTRON CAMERA采用行和列支持
    • WO2013115975A1
    • 2013-08-08
    • PCT/US2013/021541
    • 2013-01-15
    • UT-BATTELLE, LLC
    • CLONTS, Lloyd G.DIAWARA, YacoubaDONSHUE, JR., CorneliusMONTCALM, Christopher A.RIEDEL, Richard A.VISSCHER, Theodore
    • G01T3/06
    • G01T3/06
    • For each photomultiplier tube in an Anger camera, an R x S array of preamplifiers is provided to detect electrons generated within the photomultiplier tube. The outputs of the preamplifiers are digitized to measure the magnitude of the signals from each preamplifier. For each photomultiplier tube, a corresponding summation circuitry including R row summation circuits and S column summation circuits numerically add the magnitudes of the signals from preamplifiers for each row and for each column to generate histograms. For a P x Q array of photomultiplier tubes, P x Q summation circuitries generate P x Q row histograms including R entries and P x Q column histograms including S entries. The total set of histograms include P x Q x (R + S) entries, which can be analyzed by a position calculation circuit to determine the locations of events (detection of a neutron).
    • 对于Anger相机中的每个光电倍增管,提供一个R x S前置放大器阵列来检测在光电倍增管内产生的电子。 前置放大器的输出被数字化以测量来自每个前置放大器的信号的幅度。 对于每个光电倍增管,包括R行求和电路和S列求和电路的对应求和电路以数字方式增加来自每行的前置放大器和每列的信号的幅度以产生直方图。 对于光电倍增管的P x Q阵列,P x Q求和电路生成P x Q行直方图,包括R条目和P x Q列直方图,包括S条目。 直方图的总集合包括P x Q x(R + S)条目,其可由位置计算电路分析以确定事件的位置(中子的检测)。