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    • 4. 发明申请
    • MASS SPECTROMETER
    • 质谱仪
    • WO9814982A2
    • 1998-04-09
    • PCT/US9717627
    • 1997-09-30
    • GENETRACE SYSTEMSBECKER CHRISTOPHER HYOUNG STEVEN E
    • BECKER CHRISTOPHER HYOUNG STEVEN E
    • H01J49/04H01J49/16
    • H01J49/403H01J49/164
    • The invention provides a mass spectrometer having improved mass resolution, accuracy, sensitivity, reduced complexity, lower cost, and greater ease of use. The mass spectrometer provided comprises a first electrode and a second electrode, in a nested configuration to create a two-stage acceleration region that accelerates ions across a minimized acceleration region, resulting in decreased metastable decay and improved mass accuracy and resolution. The mass spectrometer also comprises an alignment system to align the ion optics with the laser beam used for desorption/ionization. The mass spectrometer further comprises electrical circuits for delivering high voltage pulses for pulsed delayed ion extraction.
    • 本发明提供一种具有改进的质量分辨率,精度,灵敏度,降低的复杂性,更低成本和更易于使用的质谱仪。 所提供的质谱仪包括第一电极和第二电极,以嵌套的结构形成两级加速区域,其加速跨越最小化加速区域的离子,导致亚稳态衰减降低,质量精度和分辨率提高。 质谱仪还包括对准系统以使离子光学器件与用于解吸/电离的激光束对准。 质谱仪还包括用于传送用于脉冲延迟离子提取的高电压脉冲的电路。