Apparatus for mass spectrometry on an ion-trap method

Details Apparatus for mass spectrometry on an ion-trap method Apparatus for mass spectrometry on an ion-trap method

2006-07-11

2006-07-11

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S281000, C250S282000, C250S286000

Reexamination Certificate

active

07075069

ABSTRACT:
Depending on the RF driving voltage amplitude value and the frequency of each frequency component of wideband auxiliary AC voltages, the wideband auxiliary AC voltage comprising plural different frequency components is optimized so that undesired ions having mass-to-charge ratios within the required range will be resonantly ejected from the ion trap electrodes.

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patent: 5679951 (1997-10-01), Kelley et al.
patent: 6075244 (2000-06-01), Baba et al.
patent: 6633033 (2003-10-01), Yoshinari et al.
patent: WO 94/04252 (1994-03-01), None

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