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    • 5. 发明申请
    • INTEGRATED ION MOBILITY SPECTROMETER
    • 集成离子移动光谱仪
    • US20130026357A1
    • 2013-01-31
    • US13194137
    • 2011-07-29
    • Sinead Marie MATTHEWSLesley Anne PARRY-JONESAllan EVANS
    • Sinead Marie MATTHEWSLesley Anne PARRY-JONESAllan EVANS
    • H01J49/26
    • G01N27/622
    • An ion mobility spectrometer includes a plurality of substrates defining a measurement region for receiving a singular laminar gas flow without any carrier or sheath gas. The measurement region includes an ionization region that is continuous with a detection region. An ionizing electrode, which may include a plurality of asymmetric electrodes, produces ions in the gas sample within the ionization region. The ionizing electrode may apply a time varying voltage to the gas sample to generate a time dependent ion production. A field generating electrode generates an electric field to deflect the ions in the gas sample, and a detection electrode array detects the deflected ions within the detection region. A controller is configured to determine ion species based on the detection of ions by the detection electrode array. The detection electrode array may include a plurality of detection electrodes, and the controller may be configured to differentiate ion species based on which ions are detected by which one of the detection electrodes
    • 离子迁移谱仪包括多个基板,其限定用于接收单个层流气流而没有任何载体或鞘气体的测量区域。 测量区域包括与检测区域连续的电离区域。 可以包括多个不对称电极的电离电极在电离区域内的气体样品中产生离子。 电离电极可以向气体样品施加时变电压以产生时间依赖的离子产生。 场产生电极产生电场以使气体样品中的离子偏转,检测电极阵列检测检测区域内的偏转离子。 控制器被配置为基于检测电极阵列检测离子来确定离子种类。 检测电极阵列可以包括多个检测电极,并且控制器可以被配置为基于哪个离子被检测到来区分离子种类,哪个检测电极