FAIMS apparatus and method for separating ions in the gas phase

Details FAIMS apparatus and method for separating ions in the gas phase FAIMS apparatus and method for separating ions in the gas phase

2007-10-23

2007-10-23

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S292000, C250S287000, C250S282000

Reexamination Certificate

active

10529304

ABSTRACT:
Disclosed is a high field asymmetric waveform ion mobility spectrometer (FAIMS) including a set of spaced-apart parallel rods, the space between the parallel rods having first and second ends and defining an analyzer region. The apparatus includes an electrical controller for electrically coupling to the set of parallel rods, for applying at least an rf-voltage between the parallel rods of the set of parallel rods in a first operating mode and for applying a combination of an asymmetric waveform voltage and a direct current voltage between the parallel rods of the set of parallel rods in a second operating mode.

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