Branched radio frequency multipole

Details Branched radio frequency multipole Branched radio frequency multipole

2008-08-25

2010-11-09

Vanore, David A (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S281000, C250S282000, C250S288000, C250S292000, C250S293000

Reexamination Certificate

active

07829850

ABSTRACT:
Systems and methods of the invention include a branched radio frequency multipole configured to act, for example, as an ion guide. The branched radio frequency multipole comprises multiple ion channels through which ions can be alternatively directed. The branched radio frequency multipole is configured to control which of the multiple ion channels ions are directed, through the application of appropriate potentials.

REFERENCES:
patent: 5468958 (1995-11-01), Franzen et al.
patent: 5625186 (1997-04-01), Frankevich et al.
patent: 6515279 (2003-02-01), Baykut
patent: 6891157 (2005-05-01), Bateman et al.
patent: 7420161 (2008-09-01), Kovtoun
patent: WO 2005/067000 (2005-07-01), None
patent: WO 2007/030923 (2007-03-01), None

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