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    • 1. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US09460906B2
    • 2016-10-04
    • US11813221
    • 2006-01-17
    • Kevin GilesMartin GreenJason Lee Wildgoose
    • Kevin GilesMartin GreenJason Lee Wildgoose
    • H01J49/26H01J49/42
    • H01J49/4235H01J49/4275
    • An ion guide or ion trap is disclosed comprising a segmented linear ion guide or ion trap. Ions are confined radially within the ion guide or ion trap by the application of an AC or RF voltage to the electrodes. A static potential well is maintained along at least a portion of the axial length of the ion guide or ion trap. A time varying homogeneous electric field is applied along at least a portion of the axial length of the ion guide or ion trap. The combination of the static axial potential well and the time varying axial homogeneous electric field causes ions to be ejected from the ion guide or ion trap in a substantially non-resonant manner.
    • 公开了一种离子导向器或离子阱,其包括分段线性离子导向器或离子阱。 通过向电极施加AC或RF电压,离子限制在离子导向器或离子阱内径向。 沿着离子导向器或离子阱的轴向长度的至少一部分保持静电势阱。 沿着离子导向器或离子阱的轴向长度的至少一部分施加时变均匀电场。 静态轴向势阱和随时间变化的轴向均匀电场的组合导致离子以基本上非共振的方式从离子导向器或离子阱排出。
    • 4. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US08952320B2
    • 2015-02-10
    • US11719665
    • 2005-11-18
    • Robert Harold BatemanKevin GilesSteven Derek PringleJason Lee Wildgoose
    • Robert Harold BatemanKevin GilesSteven Derek PringleJason Lee Wildgoose
    • H01J49/26H01J49/42
    • H01J49/4215H01J49/428
    • A mass spectrometer is disclosed comprising a quadrupole rod set ion guide or mass filter device (6). A broadband frequency signal (10) having one or more notches (11a, 11b, 11c) is applied to the rods of the quadrupole rod set (6). The notched broadband frequency signal (10) causes undesired ions to be resonantly ejected from the ion guide (6). The notched broadband frequency signal (10) has frequency components missing which correspond with the resonance frequency of ions which are desired to be onwardly transmitted. The ion guide or mass filter device (6) enables a plurality of desired ions having different mass to charge ratios to be simultaneously transmitted by the ion guide or mass filter device (6) whilst other ions are resonantly ejected from the ion guide or mass filter device (6).
    • 公开了一种质谱仪,其包括四极杆离子导向器或质量过滤装置(6)。 具有一个或多个凹口(11a,11b,11c)的宽频率信号(10)被施加到四极杆组(6)的杆上。 有缺口的宽带频率信号(10)使不想要的离子从离子导向器(6)共振地弹出。 缺口宽带频率信号(10)具有与期望向前发射的离子的谐振频率相对应的频率分量。 离子导向器或质量过滤装置(6)使得具有不同质荷比的多个所需离子能够由离子导向器或质量过滤装置(6)同时传输,而其它离子从离子导向器或质量过滤器 装置(6)。