Ion sampling apparatuses in fast polarity-switching ion sources

Details Ion sampling apparatuses in fast polarity-switching ion sources Ion sampling apparatuses in fast polarity-switching ion sources

2007-02-16

2009-06-16

Wells, Nikita (Department: 2881)

Radiant energy

Ion generation

Field ionization type

C250S424000, C250S281000, C250S282000, C250S286000, C250S293000, C313S359100

Reexamination Certificate

active

07547891

ABSTRACT:
The present invention provides ion sampling apparatuses that can be used in a fast polarity-switching electric field. In some embodiments, the ion sampling apparatus comprises a capillary made with an insulator, with a resistive inner or outer surface. Devices and systems comprising the ion sampling apparatuses, as well as methods of use thereof, are also provided.

REFERENCES:
patent: 4542293 (1985-09-01), Fenn et al.
patent: 4977320 (1990-12-01), Chowdhury et al.
patent: 5736740 (1998-04-01), Franzen
patent: 6586731 (2003-07-01), Jolliffe
patent: 7081618 (2006-07-01), Laprade
patent: 2008/0067408 (2008-03-01), Winkler

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