H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/00 (2006.01) G01N 27/64 (2006.01) H01J 49/40 (2006.01) H01J 49/42 (2006.01)
Patent
CA 2401735
A method and an apparatus is disclosed for selectively transmitting ions with a FAIMS analyzer in which a flow of carrier gas of a mixed composition is provided. Ions that are transmitted at a same combination of applied potentials when a first carrier gas is provided are in certain cases transmitted at different combinations of applied potentials when a second other carrier gas having a different composition is provided.
L'invention concerne un procédé et un dispositif servant à transmettre de manière sélective des ions à l'aide d'un analyseur du type FAIMS qui comporte un écoulement de gaz vecteur de composition mixte. Les ions sont transmis à une même combinaison de tensions appliquées lorsqu'un premier gaz vecteur est utilisé ; dans certains cas, les ions sont transmis à des combinaisons différentes de tensions appliquées lorsqu'un deuxième gaz vecteur, de composition différente, est utilisé.
Barnett David
Guevremont Roger
Purves Randy W.
Freedman & Associates
National Research Council Of Canada
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