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    • 6. 发明授权
    • Multiple technologies composite scintillation detector device
    • 多技术复合闪烁检测装置
    • US09322933B2
    • 2016-04-26
    • US14576674
    • 2014-12-19
    • NUCTECH COMPANY LIMITEDTSINGHUA UNIVERSITY
    • Ziran ZhaoZhiqiang ChenYuanjing LiWanlong WuYinong LiuMing RuanYingkang JinLe Tang
    • G01T1/20
    • G01T1/2002G01T1/2008
    • The invention presents a backscattering scintillation detector. The scintillation detector includes a scintillation crystal detector; a X-ray sensitizing screen, which is disposed forward the scintillation crystal detector and where a backscattered X-ray from an object to be detected is processed and then at least part of the processed X-ray is incident to scintillation crystal detector; and photoelectric multiplier, which is disposed backward the scintillation crystal detector and is configured to collect a light signal from scintillation crystal detector and convert it to an electrical signal. Through the above preferable embodiment, a X-ray sensitizing screen, a scintillation crystal detector, and light guiding and wave-drifting technologies are combined together to obtain a novel scintillation detector, which can improve detection of X-ray, transmission of light signal and conversion of light signal to electrical signal.
    • 本发明提出了一种后向散射闪烁检测器。 闪烁检测器包括闪烁晶体检测器; 设置在闪烁晶体检测器前方的X射线增感屏幕,并且处理来自被检测物体的背散射​​X射线,然后处理的X射线的至少一部分入射到闪烁晶体检测器; 以及光电倍增器,其设置在闪烁晶体检测器的后方,并且被配置为从闪烁晶体检测器收集光信号并将其转换为电信号。 通过上述优选实施例,将X射线增感屏,闪烁晶体检测器和导光波漂移技术组合在一起,以获得新的闪烁检测器,其可以改善X射线的检测,光信号的传输和 光信号转换为电信号。
    • 8. 发明申请
    • CORONA DISCHARGING DEVICE AND ION MIGRATION SPECTROMETER HAVING SAME
    • CORONA放电装置和具有相同功能的离子迁移光谱仪
    • US20140299758A1
    • 2014-10-09
    • US14005820
    • 2012-11-29
    • Nuctech Company LimitedTsinghua University
    • Zhiqiang ChenQingjun ZhangShuqiang DongYuanjing LiZiran ZhaoYinong LiuYan Zheng
    • H01T19/04H01J49/26
    • H01T19/04G01N27/622G01N27/68H01J27/022H01J49/168H01J49/26
    • The present invention provides a corona discharge device, comprising a first electrode including: a first substantially cylindrical inner chamber portion and a second substantially conical inner chamber portion in communication with the first inner chamber portion, wherein the second inner chamber portion has a cross sectional area that gradually enlarges in a direction away from the first inner chamber portion. The present invention also provides an ion mobility spectrometer comprising: an ionization region; and the corona discharge device disposed in the ionization region. With the above construction and structure, the ion mobility spectrometer of the present invention has the advantages that extraction of ions is facilitated and a life time of the corona electrode is lengthened. In addition, the focusing and storing electrode is used to effectively shield interference of a corona discharge pulse, and to push and focus sample ions. A designed voltage control solution is used to achieve mobility differentiating of ions, while a corona pulse is shielded to prevent variation in an ion quantity due to the corona pulse, thereby achieving an effect of stabilizing mobility spectrum lines.
    • 本发明提供一种电晕放电装置,包括:第一电极,包括:与第一内室部分连通的第一基本上圆柱形的内室部分和第二基本上圆锥形的内室部分,其中第二内室部分具有横截面积 其在远离第一内室部分的方向上逐渐扩大。 本发明还提供了一种离子迁移谱仪,包括:电离区域; 以及设置在电离区域中的电晕放电装置。 通过上述结构和结构,本发明的离子迁移谱仪具有促进离子提取和电晕电极寿命延长的优点。 此外,聚焦和存储电极用于有效屏蔽电晕放电脉冲的干扰,并推动和聚焦样品离子。 使用设计的电压控制解决方案来实现离子的移动性差异,同时屏蔽电晕脉冲以防止由于电晕脉冲引起的离子量的变化,从而实现稳定迁移率谱线的效果。