H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/42 (2006.01)
Patent
CA 2608972
A mass spectrometer system and a method of operating a mass spectrometer are provided. An RF field is produced between the plurality of rods to radially confine the ions in the rod set. The RF field has a resolving DC component field. The resolving DC component field is varied along at least a portion of a length of the rod set to provide a DC axial force acting on the ions.
L'invention concerne un système de spectromètre de masse et un procédé de fonctionnement d'un spectromètre de masse. Un champ RF est produit entre la pluralité de tiges pour confiner radialement les ions dans le jeu de tiges. Le champ RF a un champ de composante CC de résolution. Le champ de composante CC de résolution varie le long d'au moins une partie de la longueur du jeu de tiges pour donner une force axiale de CC agissant sur les ions.
Jolliffe Charles L.
Loboda Alexandre V.
Londry Frank
Applera Corporation
Applied Biosystems (canada) Limited
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Mds Inc. Doing Business As Mds Sciex
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