Analyzer tube for mass spectrometry

Details Analyzer tube for mass spectrometry Analyzer tube for mass spectrometry

1988-05-19

1990-08-07

Berman, Jack I.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250281, 335210, H01J 4930

Patent

active

049470418

ABSTRACT:
An analyzer tube for mass spectrometry comprises a body tube having a central axis, a part of which extends along an arc, and a pair of magnetic poles, each provided on the respective window formed in a side wall of the body tube. One end portion of the magnetic pole projects into an interior of the body tube. The projecting end portion is so tapered that a cross sectional shape along any direction perpendicular to the central axis presents an inverted trapezoid. Ridges extending parallel to the central axis are provided in opposite sides of the projecting end portion of the magnetic pole. A pair of baffle plates are disposed adjacent to opposite inner side wall surfaces. The baffle plate has an angled cross sectional shape and is so disposed in the analyzer tube that ridge of the baffle plate projects inwardly and extends parallel to the central axis.

REFERENCES:
patent: 3699332 (1972-10-01), Hull et al.
patent: 4560879 (1985-12-01), Wu et al.

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