Electric sector time-of-flight mass spectrometer with...

Details Electric sector time-of-flight mass spectrometer with... Electric sector time-of-flight mass spectrometer with...

H - Electricity

01

J

H01J 49/40 (2006.01) H01J 49/22 (2006.01) H01J 49/28 (2006.01)

Patent

CA 2498842

The invention provides apparatus and methods for performing time-of-flight (TOF) mass spectrometry (200). A TOF mass spectrometer of the present invention comprises one or more ion focusing electric sectors (250, 350, 450, and 550). . At least one of the electric sectors is associated with an ion optical element (266, 267). The ion optical elements (266, 267) comprise at least one adjustable electrode (260, 261), such that the adjustable electrode (260, 261)is able to modify the potential experienced by an ion entering (70) or exiting (72) the electric sector (250, 350, 450, or 550) with which it is associated.

L'invention concerne un appareil et des procédés permettant d'exécuter une spectrométrie de masse à temps de vol (TOF). Un spectromètre de masse TOF selon l'invention comprend au moins un secteur électrique de focalisation ionique. Au moins un des secteurs électriques est associé à un élément optique ionique. Les éléments optiques ioniques comprennent au moins une électrode réglable, ladite électrode réglable pouvant modifier le potentiel affectant un ion entrant dans, ou sortant du, secteur électrique auquel elle est associée.

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