Quadrupole faims apparatus

H - Electricity – 01 – J

Patent

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Details

H01J 49/06 (2006.01) G01N 27/62 (2006.01) H01J 49/26 (2006.01)

Patent

CA 2667037

A combined rf-only/FAIMS apparatus is disclosed for use in mass spectrometry and other applications. The disclosed apparatus includes a plurality of plate electrodes arranged around a central ion transmission channel, which may be straight or curved. FAIMS functionality is removed electronically when not desired by application of radio frequency (rf) waveforms to the plate electrodes.

L'invention concerne un appareil RF uniquement/FAIMS (spectrométrie de mobilité ionique modulée par un champ électrique en forme d'onde asymétrique à champ élevé) à utiliser dans une spectrométrie de masse et dans d'autres applications. L'appareil comprend une pluralité d'électrodes formant plaques agencées autour d'un canal de transmission ionique central pouvant être rectiligne ou incurvé. Le cas échéant, la fonctionnalité FAIMS peut être électriquement supprimée par application de d'ondes de radiofréquence (RF) sur les électrodes formant plaques.

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