Ion guide for mass spectrometers

Details Ion guide for mass spectrometers Ion guide for mass spectrometers

2005-09-02

2008-12-02

Wells, Nikita (Department: 2881)

Radiant energy

Ion generation

Field ionization type

C250S281000, C250S282000, C250S288000, C250S292000, C250S3960ML, C315S111810

Reexamination Certificate

active

07459693

ABSTRACT:
Disclosed is an improved method and apparatus for transporting ions from a first pressure region in a mass spectrometer to a second pressure region therein. More specifically, the present invention provides a segmented ion funnel for more efficient use in mass spectrometry (particularly with ionization sources) to transport ions from the first pressure region to the second pressure region.

REFERENCES:
patent: 6107628 (2000-08-01), Smith et al.
patent: 6797948 (2004-09-01), Wang
patent: 2004/0026614 (2004-02-01), Bateman et al.

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