Linear Ion Trap
    1.
    发明申请
    Linear Ion Trap 有权
    线性离子阱

    公开(公告)号:US20110049358A1

    公开(公告)日:2011-03-03

    申请号:US12812342

    申请日:2009-01-12

    IPC分类号: H01J49/00

    CPC分类号: H01J49/4225 H01J49/4285

    摘要: A linear ion trap (6,7,8)is disclosed comprising a central quadrupole rod set (6)and a post-filter quadrupole rod set (8). A 180° phase difference is maintained between axially adjacent rod electrodes of the central quadrupole rod set (6) and the post-filter quadrupole (8) so that an axial pseudo-potential barrier is created between the central quadrupole rod set (6) and the post-filter quadrupole (8). A supplementary AC voltage is applied to the rods of the central quadrupole (6) in order to radially excite ions which are desired to be ejected from the ion trap. The ions are ejected from the ion trap (6,7,8) non-adiabatically in an axial direction.

    摘要翻译: 公开了一种线性离子阱(6,7,8),其包括中心四极杆组(6)和后过滤四极杆组(8)。 在中心四极杆组(6)和后过滤器四极(8)的轴向相邻杆电极之间保持180°相位差,使得在中心四极杆组(6)和 后滤器四极杆(8)。 向中心四极杆(6)的杆施加补充的交流电压,以便径向地激发希望从离子阱排出的离子。 离子从离子阱(6,7,8)沿轴向非绝热地排出。

    Linear ion trap
    2.
    发明授权
    Linear ion trap 有权
    线性离子阱

    公开(公告)号:US08212208B2

    公开(公告)日:2012-07-03

    申请号:US12812342

    申请日:2009-01-12

    IPC分类号: H01J49/00 B01D59/44

    CPC分类号: H01J49/4225 H01J49/4285

    摘要: A linear ion trap (6, 7, 8)is disclosed comprising a central quadrupole rod set (6)and a post-filter quadrupole rod set (8). A 180° phase difference is maintained between axially adjacent rod electrodes of the central quadrupole rod set (6) and the post-filter quadrupole (8) so that an axial pseudo-potential barrier is created between the central quadrupole rod set (6) and the post-filter quadrupole (8). A supplementary AC voltage is applied to the rods of the central quadrupole (6) in order to radially excite ions which are desired to be ejected from the ion trap. The ions are ejected from the ion trap (6, 7, 8) non-adiabatically in an axial direction.

    摘要翻译: 公开了一种线性离子阱(6,7,8),其包括中心四极杆组(6)和后过滤器四极杆组(8)。 在中心四极杆组(6)和后过滤器四极(8)的轴向相邻杆电极之间保持180°相位差,使得在中心四极杆组(6)和 后滤器四极杆(8)。 向中心四极杆(6)的杆施加补充的交流电压,以便径向地激发希望从离子阱排出的离子。 离子从离子阱(6,7,8)沿轴向非绝热地喷出。

    Ion Population Control Device For A Mass Spectrometer
    5.
    发明申请
    Ion Population Control Device For A Mass Spectrometer 有权
    用于质谱仪的离子种群控制装置

    公开(公告)号:US20120119078A1

    公开(公告)日:2012-05-17

    申请号:US13145368

    申请日:2010-01-20

    IPC分类号: H01J49/42 H01J49/00

    CPC分类号: H01J49/4265

    摘要: A mass spectrometer is disclosed wherein an ion beam attenuator is arranged upstream of an ion trap mass analyser. An ion tunnel ion trap comprising an upstream ion accumulation section and a downstream ion accumulation section is arranged upstream of the ion beam attenuator. Ions are released from the ion tunnel ion trap and the intensity of the ion beam which is transmitted to the ion trap analyser is controlled by the ion beam attenuator. The fill time during which ions are admitted into the ion trap mass analyser remains substantially constant and is substantially independent of the intensity of the ion beam.

    摘要翻译: 公开了一种质谱仪,其中离子束衰减器布置在离子阱质量分析器的上游。 包括上游离子聚集部分和下游离子聚集部分的离子隧道离子阱设置在离子束衰减器的上游。 离子离子离子阱释放离子,离子束分离器的离子束强度由离子束衰减器控制。 离子进入离子阱质量分析仪的填充时间保持基本恒定,并且基本上与离子束的强度无关。

    Fast pushing time of flight mass spectrometer combined with restricted mass to charge ratio range delivery
    7.
    发明授权
    Fast pushing time of flight mass spectrometer combined with restricted mass to charge ratio range delivery 有权
    快速推进飞行时间质谱仪结合限制质量与电荷比范围传送

    公开(公告)号:US09048081B2

    公开(公告)日:2015-06-02

    申请号:US13997556

    申请日:2011-12-22

    IPC分类号: H01J49/40 H01J49/02 H01J49/00

    摘要: Ions having a restricted range of mass to charge ratios are transmitted to the acceleration region of a Time of Flight mass analyzer. A control system applies a first extraction pulse to an acceleration electrode in order to accelerate a first group of ions into the time of flight region at a first time T1, wherein ions having the lowest mass to charge ratio in the first group of ions have a time of flight ΔT1min through the time of flight region and ions having the highest mass to charge ratio in the first group of ions have a time of flight ΔT1max through the time of flight region. The control system applies a second extraction pulse to the acceleration electrode at a subsequent second time T2, wherein ΔT1max−ΔT1min≦T2−T1

    摘要翻译: 具有有限范围的质荷比的离子被传送到飞行时间质量分析器的加速区域。 控制系统将第一提取脉冲施加到加速电极,以便在第一时间T1将第一组离子加速到飞行时间区域,其中在第一组离子中具有最低质荷比的离子具有 飞行时间Dgr;飞行时间T1min,第一组离子具有最高质荷比的离子在飞行时间段内具有飞行时间Dgr; T1max。 控制系统在随后的第二时间T2向加速电极施加第二提取脉冲,其中&Dgr; T1max-&Dgr; T1min&N1; T2-T1 <&Dgr; T1max。

    DC ion guide for analytical filtering/separation
    8.
    发明授权
    DC ion guide for analytical filtering/separation 有权
    用于分析过滤/分离的直流离子导向器

    公开(公告)号:US09111654B2

    公开(公告)日:2015-08-18

    申请号:US14003487

    申请日:2012-03-07

    摘要: An ion guide is disclosed comprising a plurality of electrodes. A first device is arranged and adapted to apply a RF voltage to at least some of the electrodes in order to form, in use, a pseudo-potential well which acts to confine ions in a first direction within the ion guide. A second device is arranged and adapted to apply a DC voltage to at least some of the electrodes in order to form, in use, a DC potential well which acts to confine ions in a second direction within the ion guide. A third device is arranged and adapted to cause ions having desired or undesired mass to charge ratios to be mass to charge ratio selectively ejected from the ion guide in the second direction.

    摘要翻译: 公开了一种离子导向器,其包括多个电极。 第一装置被布置并适于将RF电压施加到至少一些电极,以在使用中形成用于将离子限制在离子导向器内的第一方向上的伪电位阱。 第二装置被布置并适于将DC电压施加到至少一些电极,以在使用中形成用于在离子导向器内沿第二方向限制离子的DC势阱。 第三装置被布置并适于使具有期望或不需要的质量的充电比例的离子成为从第二方向从离子导向器选择性地喷射的质荷比。

    Ion Trap With Spatially Extended Ion Trapping Region
    9.
    发明申请
    Ion Trap With Spatially Extended Ion Trapping Region 有权
    离子阱与空间扩展的离子捕获区域

    公开(公告)号:US20140299761A1

    公开(公告)日:2014-10-09

    申请号:US14240667

    申请日:2012-08-22

    IPC分类号: H01J49/42

    摘要: A mass or mass to charge ratio selective ion trap is disclosed having an increased charge storage capacity. A RF voltage acts to confine ions in a first (y) direction within the ion trap. A DC voltage and/or an RF voltage acts to confine ions in a second (x) direction within the ion trap. A quadratic DC potential well acts to confine ions in a third (z) direction within the ion trap. Ions are excited in the third (z) direction and are caused to be mass or mass to charge ratio selectively ejected in the third (z) direction.

    摘要翻译: 公开了具有增加的电荷存储容量的质量或质量 - 电荷比选择性离子阱。 RF电压用于将离子限制在离子阱内的第一(y)方向。 DC电压和/或RF电压用于将离子限制在离子阱内的第二(x)方向。 二次直流势阱用于将离子限制在离子阱内的第三(z)方向。 离子在第三(z)方向上被激发,并且被导致在第三(z)方向上选择性地喷射的质量或质量 - 充电比。

    DC Ion Guide for Analytical Filtering/Separation
    10.
    发明申请
    DC Ion Guide for Analytical Filtering/Separation 有权
    用于分析过滤/分离的DC离子指南

    公开(公告)号:US20140048696A1

    公开(公告)日:2014-02-20

    申请号:US14003487

    申请日:2012-03-07

    IPC分类号: G21K1/00 H01J49/28

    摘要: An ion guide is disclosed comprising a plurality of electrodes. A first device is arranged and adapted to apply a RF voltage to at least some of the electrodes in order to form, in use, a pseudo-potential well which acts to confine ions in a first direction within the ion guide. A second device is arranged and adapted to apply a DC voltage to at least some of the electrodes in order to form, in use, a DC potential well which acts to confine ions in a second direction within the ion guide. A third device is arranged and adapted to cause ions having desired or undesired mass to charge ratios to be mass to charge ratio selectively ejected from the ion guide in the second direction.

    摘要翻译: 公开了一种离子导向器,其包括多个电极。 第一装置被布置并适于将RF电压施加到至少一些电极,以在使用中形成用于将离子限制在离子导向器内的第一方向上的伪电位阱。 第二装置被布置并适于将DC电压施加到至少一些电极,以在使用中形成用于在离子导向器内沿第二方向限制离子的DC势阱。 第三装置被布置并适于使具有期望或不需要的质量的充电比例的离子成为从第二方向从离子导向器选择性地喷射的质荷比。