Mass spectrometer system and method for control of ion energy fo

Details Mass spectrometer system and method for control of ion energy fo Mass spectrometer system and method for control of ion energy fo

1976-03-04

1980-07-22

Church, Craig E.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

250290, H01J 3934

Patent

active

042141605

ABSTRACT:
Apparatus and method for programming the ion energy of ions being analyzed by a quadruple mass spectrometer where the axis potential applied to the quadruple rods is caused to vary in synchronism with a mass scan in order that the ions of each mass being analyzed may transit the quadruple with the most advantageous energy for proper analysis (that is, with substantially equal velocities) and the application of the ion scan voltage will not distort the fringing field at the entrance to the quadrupole.

REFERENCES:
patent: 3235724 (1966-02-01), Brubaker
patent: 3284628 (1966-11-01), Gunther
patent: 3284629 (1966-11-01), Von Zahn
patent: 3321623 (1967-05-01), Brubaker
patent: 3784814 (1974-01-01), Sakai

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