Detector for a mass spectrometer

Details Detector for a mass spectrometer Detector for a mass spectrometer

H - Electricity

01

J

H01J 49/26 (2006.01) H01J 43/24 (2006.01) H01J 49/40 (2006.01)

Patent

CA 2457516

An ion detector for a mass spectrometer is disclosed comprising a microchannel plate 8 which receives ions 12 at an input surface and releases electrons 16 from an output surface. A detecting device is arranged to receive at least some of the electrons 16 emitted from the microchannel plate 8. The detecting device receives electrons 16 on a first portion of the detecting device at a first time t1 and receives electrons 16 on a second different portion of the detector at a second later time t2. Time-varying electric and/or magnetic fields are applied between the microchannel plate 8 and the detecting device to guide electrons 16 emitted from the microchannel plate onto different regions of the detecting device in a time varying manner.

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