High throughput quadrupolar ion trap

Details High throughput quadrupolar ion trap High throughput quadrupolar ion trap

2006-07-11

2008-11-04

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

Methods

C250S281000, C250S283000, C250S292000, C250S290000

Reexamination Certificate

active

07446310

ABSTRACT:
A method and apparatus are provided for operating a linear ion trap. A linear ion trap configuration is provided that allows for increased versatility in functions compared to a conventional three-sectioned linear ion trap. In operation, the linear ion trap provides multiple segments, the segments spatially partitioning an initial ion population into at least a first and a second ion population, and enabling the ions corresponding to the first ion population to be expelled from the linear ion trap substantially simultaneously with the ions corresponding to the second ion population. Each segment is effectively independent and ions corresponding to the first ion population are able to be manipulated independently from ions corresponding to ions corresponding to the second ion population; the ions having been generated by an ion source under the same conditions.

REFERENCES:
patent: 4650999 (1987-03-01), Fies, Jr. et al.
patent: 5479012 (1995-12-01), Wells
patent: 6483109 (2002-11-01), Reinhold et al.
patent: 6884996 (2005-04-01), Senko
patent: 6982415 (2006-01-01), Kovtoun
patent: 7034294 (2006-04-01), Schwartz et al.
patent: 2008/0073497 (2008-03-01), Kovtoun

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