Mass spectrometer

Details Mass spectrometer Mass spectrometer

H - Electricity

01

J

H01J 49/42 (2006.01)

Patent

CA 2631471

A closed-loop ion guide (1) is disclosed comprising a plurality of electrodes having apertures through which ions are transmitted in use. Ions are injected into the closed- loop ion guide (1) and may make several circuits of the closed- loop ion guide (1) before being ejected from the ion guide (1). In a mode of operation the ion guide (1) may be arranged to separate ions temporally according to their ion mobility.

L'invention porte sur un guide d'ions (1) en circuit fermé comportant plusieurs électrodes présentant des ouvertures par lesquelles des ions sont transmis. Les ions injectés dans le guide d'ions (1) peuvent y parcourir plusieurs fois le circuit en boucle du guide d'ions avant d'en être éjectés. Dans une variante le guide d'ions (1) peut séparer des ions temporellement en fonction de leur mobilité.

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