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    • 8. 发明申请
    • MASS SPECTROMETER SYSTEM AND METHOD USING SIMULTANEOUS MODE DETECTOR AND SIGNAL REGION FLAGS
    • 质谱仪系统和方法同时使用模式检测器和信号区域标志
    • WO1996008034A1
    • 1996-03-14
    • PCT/CA1995000506
    • 1995-09-06
    • MDS HEALTH GROUP LIMITEDBUCKLEY, PeterCOUSINS, LisaDAYNES, ToddGRETCHEV, ValHIRASAWA, DrakeLEITH, Graham
    • MDS HEALTH GROUP LIMITED
    • H01J49/02
    • H01J49/025H01J43/30H01J49/022H01J49/105
    • A mass analyzer system uses a simultaneous mode electron multiplier detector which outputs both a pulse count and an analog signal. Depending on the ion flux intensity, the signals define a pulse count only region in which the pulse count only signal is valid, an overlap region in which both the pulse count and analog signals are valid, an analog signal only region in which only the analog signal is valid, and a neither analog nor pulse region in which neither signal is valid. The system produces a separate flag for each region. When a mass spectrum is scanned, for each dwell the pulse count and analog data are recorded together with their associated flag and are placed in memory. The signals, with the flag, can then be used to produce a mass spectrum using the pulse count only signal, the analog only signal, or both. In addition numeric displays can be produced for each peak or a variety of peaks, using the pulse count only signal, the analog signal, or both, together with a display of the flag or flags which have been set at the peak being displayed.
    • 质量分析器系统使用输出脉冲计数和模拟信号的同时模式电子倍增器检测器。 根据离子通量强度,这些信号仅限于仅脉冲计数信号有效的脉冲计数区域,脉冲计数和模拟信号都有效的重叠区域,仅模拟信号区域 信号有效,既不是两个信号都无效的模拟和脉冲区域。 系统为每个区域生成一个单独的标志。 当扫描质谱时,对于每个驻留,脉冲计数和模拟数据与其相关联的标志一起记录并放置在存储器中。 然后,使用标志的信号可以用于使用仅脉冲计数信号,仅模拟信号或两者来产生质谱。 此外,可以使用仅脉冲计数信号,模拟信号或两者来为每个峰值或各种峰值产生数字显示,以及在显示峰值时设置的标志或标志的显示。