Ion trap mass spectrometer method and apparatus for improved sen

Details Ion trap mass spectrometer method and apparatus for improved sen Ion trap mass spectrometer method and apparatus for improved sen

1993-01-27

1994-03-01

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250282, H01V 4942

Patent

active

052910172

ABSTRACT:
An ion trap mass spectrometer system providing superposition of an AC dipole and/or monopole field on the quadrupole field to provide one preferential ejection direction.

REFERENCES:
patent: 3527939 (1970-09-01), Dawson et al.
patent: 4882484 (1989-11-01), Franzen et al.
patent: 5206509 (1993-04-01), McLuckey et al.
Franzen, J. "Simulation Study of an Ion Cage with Superimposed Multipole Fields," International Journal of Mass Spectrometry and Ion Processes, 106 (1991) 63-78.

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