Method and device for injection of ions into an ion trap

Details Method and device for injection of ions into an ion trap Method and device for injection of ions into an ion trap

1997-07-10

1998-10-06

Nguyen, Kiet T.

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

H01J 4942

Patent

active

058180559

ABSTRACT:
An ion trap consists of separating the ions into ion packages within an electrical travelling wave field operated at the frequency of the drive voltage for the ion trap, or at an integral fraction of the same, transporting the ion packages by the travelling wave field to the ion trap, and injecting the ion packages into the ion trap with a favorably selected velocity and at the correct point in time. A slowing-down path at the end of the travelling field allows ions of a greater mass to be injected somewhat earlier than light ions, whereby the simultaneous capture of ions of different masses becomes more favorable.

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