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    • 1. 发明授权
    • Separated ion beam source with adjustable separation
    • 分离离子束源可调节分离
    • US3649862A
    • 1972-03-14
    • US3649862D
    • 1969-05-01
    • COLUTRON CORP
    • WAHLIN LARS E
    • G21K1/08H01J27/02H01J49/28H05H5/00
    • H01J27/02G21K1/08H01J49/286
    • An ion beam source includes an ion source, ion accelerator and focusing system, and a velocity filter with a deflection plate pair. The velocity filter provides for dispersion of ions according to their charge, mass and velocity. The ion source includes a nonconducting barrel, a filament mounted in the barrel and an anode enclosing the barrel opening except for a source aperture. Filament current is arranged to provide an electron current to the anode, this electron current ionizes the charge material thus forming a plasma cloud for ejecting into the focusing and lens system, and then into a velocity filter causing separation of ion beam.
    • 离子束源包括离子源,离子加速器和聚焦系统以及具有偏转板对的速度滤波器。 速度滤波器根据其电荷,质量和速度提供离子的分散。 离子源包括不导电筒,安装在镜筒中的灯丝和除了源孔以外包围镜筒开口的阳极。 灯丝电流被布置为向阳极提供电子电流,该电子电流使电荷材料电离,从而形成等离子体云,用于喷射到聚焦透镜系统中,然后进入导致离子束分离的速度滤光器。
    • 7. 发明授权
    • IMR-MS device
    • US10074531B2
    • 2018-09-11
    • US15782281
    • 2017-10-12
    • IONICON ANALYTIK GESELLSCHAFT M.B.H.
    • Philipp SulzerSimone JürschikJens HerbigAlfons JordanLukas Märk
    • H01J49/16H01J49/00H01J49/14H01J49/28H01J49/42
    • H01J49/168H01J49/0009H01J49/0027H01J49/145H01J49/286H01J49/426
    • Ion-molecule-reaction—mass spectrometry (IMR-MS) device, comprising an ion source, an adjacent reaction chamber and a mass spectrometer subsequent to the reaction chamber, wherein the reaction chamber comprises an RF device for creating a temporally changing electromagnetic field and wherein an adjustable reduced electric field strength (E/N) can be applied to the reaction chamber, characterized by an input device for entering a desired reduced electric field strength (E/N) by an operator when operating said IMR-MS device for analyzing a sample, and a controlling device that operates the IMR-MS device by adjusting the settings of the IMR-MS device relating to a defined data set of a pseudo reduced electric field strength (PE/N1,2) for the entered reduced electric field strength (E/N), wherein the pseudo reduced electric field strength (PE/N1,2) has been determined by analyzing a first analyte (A1) in the IMR-MS device, wherein intensity signals (RS1) of at least two product ions of the analyte (A1) are recorded and wherein the settings of the IMR-MS device are changed until the measured intensity signal (IS1) ratios of the at least two product ions match reference intensity signal (RS1) ratios within a given tolerance level of the at least two product ions determined in an IMR-MS device comprising an ion source, an adjacent reaction chamber with a DC-drift tube and a mass spectrometer subsequent to the reaction chamber, wherein the reaction chamber is operated only with an activated DC-drift tube at a certain actual reduced electric field strength (Ea1/N), wherein these settings of the IMR-MS device relating to the pseudo reduced electric field strength (PE/N1) are stored in the controlling device, wherein the controlling device controls said IMR-MS device by performing analysis of the sample with the settings corresponding to the pseudo reduced electric field strengths (PE/N1).