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    • 4. 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。
    • 5. 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。