Measuring cell for ion cyclotron resonance mass spectrometer

Details Measuring cell for ion cyclotron resonance mass spectrometer Measuring cell for ion cyclotron resonance mass spectrometer

2008-05-06

2008-05-06

Berman, Jack I. (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S293000, C250S292000

Reexamination Certificate

active

07368711

ABSTRACT:
The invention relates to a measuring cell for an ion cyclotron resonance mass spectrometer (FTMS). The invention provides a measuring cell which, on the one hand, consists of two ion-repelling RF grids at the front ends as trapping electrodes and thus produces a pure cyclotron motion of the ions without the usually co-existing magnetron motion and, on the other hand, measures a multiplied cyclotron frequency by means of a plurality of detection electrodes, whereby either a higher mass accuracy or a shorter measuring time can be achieved.

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patent: 5572035 (1996-11-01), Franzen
patent: 6403955 (2002-06-01), Senko
patent: 7223965 (2007-05-01), Davis
patent: 39 14 838 (1989-05-01), None
patent: 2 302 985 (1996-06-01), None
patent: 1684831 (1989-08-01), None

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