Quadrupole FAIMS apparatus

Radiant energy – Ionic separation or analysis – Cyclically varying ion selecting field means

Reexamination Certificate

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Details

C250S290000, C250S294000, C250S281000, C250S282000

Reexamination Certificate

active

07858934

ABSTRACT:
A combined rf-only/FAIMS apparatus is disclosed for use in mass spectrometry and other applications. The disclosed apparatus includes a plurality of curved electrodes arranged around a central ion transmission channel. FAIMS functionality is removed electronically when not desired by application of radio frequency (rf) waveforms to the curved electrodes.

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patent: 2009/0127456 (2009-05-01), Makarov et al.

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