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    • 2. 发明授权
    • Ion mobility separation device
    • 离子迁移分离装置
    • US09302271B2
    • 2016-04-05
    • US14411217
    • 2012-07-04
    • Yuichiro HashimotoHideki HasegawaMasao SugaHiroyuki Satake
    • Yuichiro HashimotoHideki HasegawaMasao SugaHiroyuki Satake
    • H01J49/02B03C7/02G01N27/62G01N27/447B03C3/017B03C3/08B03C3/12B03C3/41B03C3/47B03C3/68
    • B03C7/02B03C3/017B03C3/08B03C3/12B03C3/41B03C3/47B03C3/68G01N27/447G01N27/624
    • In an ion mobility separation device, there are problems that while arraying of separation electrodes and flow paths is restricted, time required for scanning correction voltages becomes longer and the throughput is reduced when the correction voltages are set in detail. These problems are solved for example by the following means. Namely, an ion mobility separation device characterized in that: at least one of a pair of plate electrodes has a first electrode section having a first conductivity, a second electrode section having a second conductivity, and a third electrode section interposed between the first electrode section and the second electrode section, wherein the third electrode section has a third conductivity smaller than the first conductivity and the second conductivity; the first electrode section, the second electrode section and the third electrode section are aligned in a direction perpendicular to a flow path; and a voltage controller applies different direct-current voltages to the first electrode section and the second electrode section.
    • 在离子迁移率分离装置中,存在限制分离电极和流路的排列的问题,当校正电压被详细设定时,扫描校正电压所需的时间变长,吞吐量降低。 这些问题通过以下方式得到解决。 也就是说,一种离子迁移率分离装置,其特征在于:一对平板电极中的至少一个具有具有第一导电性的第一电极部分,具有第二导电性的第二电极部分和介于第一电极部分之间的第三电极部分 和所述第二电极部,其中,所述第三电极部具有小于所述第一导电性和所述第二导电性的第三导电性; 第一电极部分,第二电极部分和第三电极部分在垂直于流路的方向上排列; 并且电压控制器对第一电极部分和第二电极部分施加不同的直流电压。
    • 3. 发明申请
    • Ion Mobility Separation Device
    • 离子迁移分离装置
    • US20150190815A1
    • 2015-07-09
    • US14411217
    • 2012-07-04
    • Yuichiro HashimotoHideki HasegawaMasao SugaHiroyuki Satake
    • Yuichiro HashimotoHideki HasegawaMasao SugaHiroyuki Satake
    • B03C7/02G01N27/447
    • B03C7/02B03C3/017B03C3/08B03C3/12B03C3/41B03C3/47B03C3/68G01N27/447G01N27/624
    • In an ion mobility separation device, there are problems that while arraying of separation electrodes and flow paths is restricted, time required for scanning correction voltages becomes longer and the throughput is reduced when the correction voltages are set in detail. These problems are solved for example by the following means. Namely, an ion mobility separation device characterized in that: at least one of a pair of plate electrodes has a first electrode section having a first conductivity, a second electrode section having a second conductivity, and a third electrode section interposed between the first electrode section and the second electrode section, wherein the third electrode section has a third conductivity smaller than the first conductivity and the second conductivity; the first electrode section, the second electrode section and the third electrode section are aligned in a direction perpendicular to a flow path; and a voltage controller applies different direct-current voltages to the first electrode section and the second electrode section.
    • 在离子迁移率分离装置中,存在限制分离电极和流路的排列的问题,当校正电压被详细设定时,扫描校正电压所需的时间变长,吞吐量降低。 这些问题通过以下方式得到解决。 也就是说,一种离子迁移率分离装置,其特征在于:一对平板电极中的至少一个具有具有第一导电性的第一电极部分,具有第二导电性的第二电极部分和介于第一电极部分之间的第三电极部分 和所述第二电极部,其中,所述第三电极部具有小于所述第一导电性和所述第二导电性的第三导电性; 第一电极部分,第二电极部分和第三电极部分在垂直于流路的方向上排列; 并且电压控制器对第一电极部分和第二电极部分施加不同的直流电压。
    • 5. 发明授权
    • Mass spectrometer and mass spectrometry method
    • 质谱仪和质谱法
    • US07800058B2
    • 2010-09-21
    • US11979811
    • 2007-11-08
    • Masuyuki SugiyamaYuichiro HashimotoHideki HasegawaIzumi Waki
    • Masuyuki SugiyamaYuichiro HashimotoHideki HasegawaIzumi Waki
    • H01J49/00
    • H01J49/4225H01J49/4215
    • A mass spectrometer that is switchable to operate as a linear trap or as a mass filter, and attaining both high ejection efficiency when operated as a linear trap and high mass resolving power when operated as a mass filter. A mass spectrometer includes an ion source for ionizing a sample, a linear trap quadrupole rod lens supplied with ionized ions, a trap electrode for forming a potential to trap the supplied ions between one end of the quadrupole lens and the other end, a control unit to regulate the trap lens voltage, and a mass analyzer or detector to detect ions ejected from the linear trap, and characterized in switching between an operation where the supplied ions are trapped in a section quadrupole rod lens and ejected by the controller unit regulating the trap electrode voltage; and an operation where ions are selective passed through according to their mass. The ejection efficiency when operated as an ion trap, and the mass resolving power when operated as a quadrupole mass filter are vastly improved compared to conventional methods.
    • 可以切换为线性捕集器或质量过滤器的质谱仪,当作为质量过滤器操作时,作为线性捕集器操作时获得高喷射效率和高质量分辨能力的质谱仪。 质谱仪包括用于电离样品的离子源,提供有离子化离子的线性捕获四极杆透镜,用于形成用于捕获四极透镜的一端与另一端之间的供应离子的电位的捕获电极,控制单元 调节陷波透镜电压,以及质量分析器或检测器,用于检测从线性阱捕获的离子,并且其特征在于,在所提供的离子被捕获在四极杆棒状透镜中并由调节阱的控制器单元喷射的操作之间进行切换 电极电压; 以及根据其质量选择性地通过离子的操作。 当作为离子阱操作时的喷射效率以及当作为四极质量过滤器操作时的质量分辨能力与常规方法相比大大提高。
    • 6. 发明申请
    • Mass spectrometer and mass spectrometry method
    • 质谱仪和质谱法
    • US20080121795A1
    • 2008-05-29
    • US11979811
    • 2007-11-08
    • Masuyuki SugiyamaYuichiro HashimotoHideki HasegawaIzumi Waki
    • Masuyuki SugiyamaYuichiro HashimotoHideki HasegawaIzumi Waki
    • H01J49/42
    • H01J49/4225H01J49/4215
    • A mass spectrometer that is switchable to operate as a linear trap or as a mass filter, and attaining both high ejection efficiency when operated as a linear trap and high mass resolving power when operated as a mass filter. A mass spectrometer includes an ion source for ionizing a sample, a linear trap quadrupole rod lens supplied with ionized ions, a trap electrode for forming a potential to trap the supplied ions between one end of the quadrupole lens and the other end, a control unit to regulate the trap lens voltage, and a mass analyzer or detector to detect ions ejected from the linear trap, and characterized in switching between an operation where the supplied ions are trapped in a section quadrupole rod lens and ejected by the controller unit regulating the trap electrode voltage; and an operation where ions are selective passed through according to their mass. The ejection efficiency when operated as an ion trap, and the mass resolving power when operated as a quadrupole mass filter are vastly improved compared to conventional methods.
    • 可以切换为线性捕集器或质量过滤器的质谱仪,当作为质量过滤器操作时,作为线性捕集器操作时获得高喷射效率和高质量分辨能力的质谱仪。 质谱仪包括用于电离样品的离子源,提供有离子化离子的线性捕获四极杆透镜,用于形成用于捕获四极透镜的一端与另一端之间的供应离子的电位的捕获电极,控制单元 调节陷波透镜电压,以及质量分析器或检测器,用于检测从线性阱捕获的离子,并且其特征在于,在所提供的离子被捕获在四极杆棒状透镜中并由调节阱的控制器单元喷射的操作之间进行切换 电极电压; 以及根据其质量选择性地通过离子的操作。 当作为离子阱操作时的喷射效率以及当作为四极质量过滤器操作时的质量分辨能力与常规方法相比大大提高。
    • 7. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US07329862B2
    • 2008-02-12
    • US11495534
    • 2006-07-31
    • Yuichiro HashimotoTakashi BabaHideki HasegawaIzumi Waki
    • Yuichiro HashimotoTakashi BabaHideki HasegawaIzumi Waki
    • H01J49/00
    • H01J49/4225H01J49/004H01J49/401
    • A mass spectrometer capable of analyzing a wide mass range with high sensitivity and high mass accuracy. A mass spectrometer has an ionization source generating ions; an ion transfer optics transferring the ions; a first linear trap accumulating the ions and ejecting the ions in the specific mass range; a second linear trap having an end electrode disposed at the exit end ejecting the ions to change a DC potential gradient relative to a DC potential of the end electrode and trapping the ions ejected from the first linear trap to repeatedly eject them in pulse form; a time-of-flight mass spectrometer accelerating the ions ejected from the second linear trap in the orthogonal direction to detect them; and a controller changing the time duration of the ions in which the ions are ejected from the second linear trap or delay time from the completion of ejection to application of an accelerating voltage of the time-of-flight mass spectrometer according to the mass range of the ions ejected from the first linear trap to the second linear trap.
    • 能够以高灵敏度和高质量精度分析宽质量范围的质谱仪。 质谱仪具有产生离子的电离源; 离子转移光学器件转移离子; 积聚离子并在特定质量范围内喷射离子的第一线性阱; 第二线性阱,其具有设置在出射端处的终端电极,其排出离子,以相对于端电极的DC电位改变DC电位梯度,并且捕获从第一线性阱捕获的离子重复地以脉冲形式喷射; 飞行时间质谱仪在正交方向加速从第二线性阱捕获的离子以检测它们; 以及控制器,其将离子从第二线性阱捕获的离子或从完成喷射的延迟时间的持续时间改变为根据飞行时间质谱仪的加速电压的质量范围 离子从第一线性捕集器喷射到第二线性阱。
    • 8. 发明授权
    • Mass spectrometer and mass analysis method
    • 质谱仪和质量分析方法
    • US07319222B2
    • 2008-01-15
    • US11325444
    • 2006-01-05
    • Yuichiro HashimotoHideki HasegawaIzumi Waki
    • Yuichiro HashimotoHideki HasegawaIzumi Waki
    • H01J49/00
    • H01J49/0027H01J49/4225
    • A linear trap which allows for charge separation and ion mobility separation in a speedy manner, and enables measurement with high duty cycle. A mass spectrometer comprises an ion source, an ion trap for trapping ions ionized by the ion source, an ion trap controller for controlling a voltage on an electrode included in the ion trap, and a detector for detecting the ions ejected from the ion trap. The ion trap controller includes a table for each mass-to-charge ratio, the table containing a frequency of the voltage used for charge separation, and a gain of the voltage for ejecting a first ion with a first charge outside the ion trap, and retaining in the ion trap a second group of ions with a second charge that is lower than that of the first charge. The ion trap controller controls the voltage based on the mass-to-charge ratio set. The mass spectrometer has significantly improved sensitivity, as compared to the prior art.
    • 线性阱可以快速分离电荷和离子迁移分离,并能够以高占空比进行测量。 质谱仪包括离子源,用于捕获由离子源离子化的离子的离子阱,用于控制离子阱中包含的电极上的电压的离子阱控制器和用于检测从离子阱排出的离子的检测器。 离子阱控制器包括用于每个质荷比的表,该表包含用于电荷分离的电压的频率,以及用于在离子阱外部用第一电荷喷射第一离子的电压的增益,以及 在离子阱中保留具有低于第一电荷的第二组电荷的第二组离子。 离子阱控制器根据设定的质荷比来控制电压。 与现有技术相比,质谱仪具有显着提高的灵敏度。
    • 9. 发明申请
    • Mass spectrometer
    • 质谱仪
    • US20070181803A1
    • 2007-08-09
    • US11653859
    • 2007-01-17
    • Hideki HasegawaYuichiro HashimotoIzumi Waki
    • Hideki HasegawaYuichiro HashimotoIzumi Waki
    • B01D59/44
    • H01J49/4225H01J49/0063
    • In a mass spectrometer in which a high ion dissociation efficiency is possible, inserted electrodes are arranged with a form divided into two or more in the axial direction of the ion trap, an electric static harmonic potential is formed from a DC voltage applied to the inserted electrodes, and with an Supplemental AC voltage applied, ions in the ion trap are oscillated between the divided inserted electrodes in the axial direction of the ion trap by resonance excitation, and the ion with a mass/charge ratio within a specific range is mass-selectively dissociated. Thus, a high ion dissociation efficiency is realized by the use of ion trap of the present invention.
    • 在能够实现高离子解离效率的质谱仪中,插入电极以离子阱的轴向分割成两个以上的形式配置,从施加到插入的DC电压形成电静电谐波电位 电极,并且通过施加补充AC电压,离子阱中的离子通过共振激发在离子阱的轴向方向上在分离的插入电极之间振荡,并且质量/电荷比在特定范围内的离子是质量 - 选择性离解。 因此,通过使用本发明的离子阱来实现高离子解离效率。
    • 10. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US06967323B2
    • 2005-11-22
    • US10868933
    • 2004-06-17
    • Yuichiro HashimotoTakashi BabaHideki HasegawaIzumi Waki
    • Yuichiro HashimotoTakashi BabaHideki HasegawaIzumi Waki
    • G01N27/62G01N27/64H01J49/00H01J49/40H01J49/42
    • H01J49/063H01J49/004H01J49/0481
    • An ion mass spectrometer comprising an ionization source for generating ions, a linear trap region for accumulation and dissociation of ions, and a time-of-flight mass spectrometer for mass spectroscopy of ions based on the flying time, and having a collision damping region introduced with a buffer gas for reducing the kinetic energy of ions ejected from the linear trap region and converting the ion packet into continuous beam and provided with plural electrodes for generating multipole electric fields in the inside between the linear trap region and the time-of-flight mass spectrometer, and having an ion transmission control mechanism for allowing or inhibiting incidence of ion from the linear trap region to the collision damping region between the linear trap region and the collision damping region.
    • 一种离子质谱仪,包括用于产生离子的电离源,用于离子的聚集和离解的线性捕获区域,以及用于基于飞行时间的离子质谱的飞行时间质谱仪,并且具有引入的碰撞阻尼区域 使用缓冲气体,用于降低从线性捕获区域排出的离子的动能,并将离子包转换为连续光束,并设置有多个电极,用于在线性捕获区域和飞行时间之间的内部产生多极电场 并且具有用于允许或抑制从线性捕获区域到线性捕获区域和碰撞阻尼区域之间的碰撞阻尼区域的入射的离子传输控制机构。