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    • 61. 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)。
    • 67. 发明申请
    • APPARATUS COMPRISING AN ION MOBILITY SPECTROMETER
    • 包含离子移动光谱仪的装置
    • US20100044561A1
    • 2010-02-25
    • US12373341
    • 2007-07-12
    • Kevin Giles
    • Kevin Giles
    • H01J49/26
    • H01J49/0481G01N27/622H01J49/004H01J49/062
    • A mass spectrometer is disclosed comprising a first chamber (10) and a second chamber (5). The second chamber (5) is located downstream of the first chamber 10 and an inter-chamber aperture (12) is provided between the two chambers (5,10). An ion guide (13) is located in the first chamber (10) and an ion mobility spectrometer (6) is located in the second chamber (5). Helium gas is provided to the first chamber (10). As ions are accelerated towards the ion mobility spectrometer 6 from a relatively low pressure region they pass initially into the first chamber (10). The helium gas provided in the first chamber (10) minimises ion fragmentation and ion discrimination effects as ions are accelerated into a relatively high pressure region. The ions are then transmitted by the ion guide (13) and are subsequently transmitted to the ion mobility spectrometer (6) located in the second chamber (5).
    • 公开了一种质谱仪,其包括第一室(10)和第二室(5)。 第二室(5)位于第一室10的下游,并且在两个室(5,10)之间设置室间孔(12)。 离子导向器(13)位于第一室(10)中,离子迁移谱仪(6)位于第二室(5)中。 氦气被提供到第一室(10)。 当离子从相对低的压力区域向离子迁移谱仪6加速时,它们首先进入第一腔室(10)。 设置在第一室(10)中的氦气最小化离子碎片和离子鉴别效应,因为离子被加速到相对高的压力区域。 然后离子由离子引导件(13)传输,随后被传递到位于第二室(5)中的离子迁移谱仪(6)。
    • 68. 发明申请
    • Mass Spectrometer
    • 质谱仪
    • US20090194688A1
    • 2009-08-06
    • US11719665
    • 2005-11-18
    • Robert Harold BatemanKevin GilesSteven Derek PringleJason Lee Wildgoose
    • Robert Harold BatemanKevin GilesSteven Derek PringleJason Lee Wildgoose
    • H01J49/00B01D59/44
    • 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)。