H - Electricity
01
J
H01J 49/08 (2006.01) G01N 15/00 (2006.01) G01N 27/00 (2006.01) H01J 43/06 (2006.01) H01J 43/12 (2006.01) H01J 43/24 (2006.01) H01J 49/02 (2006.01) H01J 49/26 (2006.01) H01J 49/40 (2006.01)
Patent
CA 2452745
An ion detector 1' for a mass spectrometer is disclosed comprising one or more microchannel plates 3a, 3b and an anode a arranged to receive electrons emitted from the one or more microchannel plates 3a, 3b. The anode a preferably has a smaller diameter than the microchannel plates 3a, 3b and is preferably arranged at a distance of at least 15 mm from the microchannel plates 3a, 3b. One or more focusing lenses 8, 9 may be provided intermediate the microchannel plates 3a, 3b and the anode 4. The anode 4 preferably comprises two portions separated by an electrically insulated layer.
Bateman Robert Harold
Brown Jeff
Kenny Daniel James
Micromass Uk Limited
Ridout & Maybee Llp
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