Three dimensional quadrupole ion trap

Details Three dimensional quadrupole ion trap Three dimensional quadrupole ion trap

1996-01-16

1997-05-13

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

H01J 4942

Patent

active

056295197

ABSTRACT:
Disclosed herein is a three dimensional quadrupole ion trap for analyzing samples. The ion trap includes two spaced apart end cap electrodes being generally opposed to one another and defining a first axis between them. The ion trap includes a ring electrode between the end cap electrodes and adjacent thereto. Each of the end caps and ring electrodes are made from Molybdenum. The ion trap having a cavity defined by the end caps and ring electrodes. The ion trap including a sample injector for injecting the sample into the cavity, an rf source for filtering the ions of the sample and a DC source for selectively accelerating the filtered ions into an analyzer a cavity.

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