Ion guides with movable RF multiple segments

Details Ion guides with movable RF multiple segments Ion guides with movable RF multiple segments

2007-04-17

2007-04-17

Berman, Jack (Department: 2881)

Radiant energy

Ionic separation or analysis

Cyclically varying ion selecting field means

C250S290000, C250S288000, C250S287000, C250S281000, C250S497100, C250S498100, C250S507100

Reexamination Certificate

active

11147154

ABSTRACT:
The invention relates to an ion guide consisting of RF multipole segments to transfer ions from an ion source into a mass analyzer. The invention consists in having movable RF multipole segments in the ion guide which extend or electrically connect other RF multipole segments along the axis of the ion guide, in which spaces have arisen as a result of a change in configuration of the mass spectrometer, comprising ion source, ion guide and mass analyzer. The moved RF multipole segments bridge the spaces which have arisen between the components of the mass spectrometer and facilitate the transfer of the ions from the ion source to the mass analyzer.

REFERENCES:
patent: 4700069 (1987-10-01), Ino et al.
patent: 5384461 (1995-01-01), Jullien et al.
patent: 5525084 (1996-06-01), Broadbent et al.
patent: 5825026 (1998-10-01), Baykut
patent: 6515279 (2003-02-01), Baykut
patent: 6593570 (2003-07-01), Li et al.
patent: 19523859 (1995-06-01), None
patent: 19629134 (1996-07-01), None
patent: 19937439 (1999-08-01), None

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