Introduction of ions from ion sources into mass spectrometers

Details Introduction of ions from ion sources into mass spectrometers Introduction of ions from ion sources into mass spectrometers

1997-07-17

1998-10-20

Nguyen, Kiet T.

Radiant energy

Ionic separation or analysis

With sample supply means

250290, 250292, H01J 4900

Patent

active

058250263

ABSTRACT:
Curved rf multipole ion guides or angled linear rf multipole ion guides are designed to be rotatable or shiftable. Thus, the direction of guided ions can be altered by rotating or shifting these ion guides. In a mass spectrometer equipped with a multitude of ion sources, this allows to switch between ion sources without venting the vacuum system.

REFERENCES:
patent: 3473020 (1969-10-01), Brubaker
patent: 5179278 (1993-01-01), Douglas
patent: 5668370 (1997-09-01), Yano et al.
The 44th ASMS Conference on Mass Spectrometry and Allied Topics, p. 1134, May 12-16, 1996, Portland, Oregon.
Quadrupole Mass Spectrometry and its applications, pp. 34 and 62, 1976 Peter H. Dawson.

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