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    • 41. 发明授权
    • Three-dimensional, position-sensitive radiation detection
    • 三维,位置敏感的辐射检测
    • US07411197B2
    • 2008-08-12
    • US11240404
    • 2005-09-30
    • Zhong HeFeng Zhang
    • Zhong HeFeng Zhang
    • G01T1/24
    • G01T1/247G01T7/005
    • Disclosed herein is a method of determining a characteristic of radiation detected by a radiation detector via a multiple-pixel event having a plurality of radiation interactions. The method includes determining a cathode-to-anode signal ratio for a selected interaction of the plurality of radiation interactions based on electron drift time data for the selected interaction, and determining the radiation characteristic for the multiple-pixel event based on both the cathode-to-anode signal ratio and the electron drift time data. In some embodiments, the method further includes determining a correction factor for the radiation characteristic based on an interaction depth of the plurality of radiation interactions, a lateral distance between the selected interaction and a further interaction of the plurality of radiation interactions, and the lateral positioning of the plurality of radiation interactions.
    • 本文公开了一种通过具有多个辐射相互作用的多像素事件来确定由辐射检测器检测的辐射的特性的方法。 该方法包括基于所选择的相互作用的电子漂移时间数据确定多个辐射相互作用的选定相互作用的阴极至阳极信号比,以及基于阴极 - 阴极两者确定多像素事件的辐射特性, 阳极信号比和电子漂移时间数据。 在一些实施例中,该方法还包括基于多个辐射相互作用的相互作用深度,所选择的相互作用与多个辐射相互作用的进一步相互作用之间的横向距离以及横向定位 的多个辐射相互作用。
    • 44. 发明申请
    • Intelligent life testing methods and apparatus for leakage current protection
    • 智能寿命测试方法和设备,用于漏电流保护
    • US20070146947A1
    • 2007-06-28
    • US11588163
    • 2006-10-26
    • Feng ZhangHongliang ChenFu WangWusheng ChenYulin ZhangHuaiyin Song
    • Feng ZhangHongliang ChenFu WangWusheng ChenYulin ZhangHuaiyin Song
    • H02H3/00
    • H02H3/335H01H2071/044
    • An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a ground fault simulation unit, a fault detector of the leakage current detection circuit and the trip mechanism, and a life testing detection control unit having an MCU for controlling operation of the fault detector. In operation, a first signal (pulse signal) is sent to the gate of the switching device to generate a first voltage at the cathode of the switching device, a second signal is sent to the ground fault simulation unit to generate a simulated ground fault for the leakage current detection circuit to generate a second voltage at the gate of the switching device, and the first and second voltages are measured to determine whether a fault exists in the leakage current detection circuit and the trip mechanism.
    • 一种用于测试具有泄漏电流检测电路的漏电流保护装置的寿命的装置和具有开关装置的跳闸机构。 在一个实施例中,该装置是接地故障模拟单元,泄漏电流检测电路的故障检测器和跳闸机构,以及具有用于控制故障检测器的操作的MCU的寿命测试检测控制单元。 在操作中,第一信号(脉冲信号)被发送到开关装置的栅极,以在开关装置的阴极处产生第一电压,第二信号被发送到接地故障模拟单元以产生模拟接地故障 测量在开关装置的栅极处产生第二电压的漏电流检测电路以及第一和第二电压,以确定泄漏电流检测电路和跳闸机构中是否存在故障。
    • 46. 发明申请
    • Spatial-phase locking of energy beams for determining two-dimensional location and beam shape
    • 用于确定二维位置和光束形状的能量束的空间相位锁定
    • US20050269524A1
    • 2005-12-08
    • US11130892
    • 2005-05-17
    • Jeffrey HastingsJames GoodberletFeng ZhangHenry Smith
    • Jeffrey HastingsJames GoodberletFeng ZhangHenry Smith
    • G01N21/00G01N23/00H01J37/08H01J37/317
    • H01J37/3045B82Y10/00B82Y40/00H01J37/3174H01J2237/31761
    • A method or system of spatial-phase locking a beam used in maskless lithography provides a fiducial grid with a single spatial-period, the fiducial grid being rotated at an angle with respect to a direction of scanning the beam; detects a signal generated in response to the beam being incident upon the fiducial grid; determines frequency components of the detected signal; and determines a two-dimensional location of the beam from phases of two determined fundamental frequency component. The method or system further determines a size of the beam from relative amplitudes of the determined fundamental and harmonic frequency components and/or determine a shape of the beam from relative amplitudes of the determined fundamental and harmonic frequency components. The method or system corrects a deflection of the beam in response to the determined two-dimensional location, and/or adjusts the size of the beam in response to the determined size, and/or adjusts the shape of the beam in response to the determined shape. If the method or system spatial-phase locks a plurality of beams used in maskless lithography, a fiducial grid with a varying spatial-period is utilized. In the plural beam method or system, the frequency components for each beam are determined using frequency-division multiplexing.
    • 在无掩模光刻中使用的光束的空间相位锁定的方法或系统提供具有单个空间周期的基准栅格,基准栅格相对于扫描光束的方向以一定角度旋转; 检测响应于入射到基准电网上的光束产生的信号; 确定检测信号的频率分量; 并且从两个确定的基本频率分量的相位确定波束的二维位置。 所述方法或系统还根据确定的基波和谐波频率分量的相对幅度确定波束的大小,和/或根据所确定的基波和谐波频率分量的相对幅度确定波束的形状。 所述方法或系统响应于所确定的二维位置校正波束的偏转,和/或响应于所确定的尺寸调整波束的尺寸,和/或响应于所确定的尺寸来调整波束的形状 形状。 如果方法或系统空间相位锁定在无掩模光刻中使用的多个光束,则利用具有变化的空间周期的基准网格。 在多波束方法或系统中,使用频分复用来确定每个波束的频率分量。