Single potential ion source

Details Single potential ion source Single potential ion source

1995-06-07

1997-02-04

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With sample supply means

250423R, 250427, B01D 5944, H01J 4900, H01J 2700

Patent

active

056001363

ABSTRACT:
A single potential ion source includes a single conical electrode encircled by a cylindrical magnet. At least one filament is placed proximate to the electrode. This arrangement serves to accelerate electrons created by energy from the filament toward a center axis of the conical electrode. The electrons collide with gas particles to create a focused ion stream. The stream may be directed into a magnetic field in a mass spectrometer tube.

REFERENCES:
patent: 3277295 (1966-10-01), Briggs
patent: 4691109 (1987-09-01), Magee et al.
patent: 4697085 (1987-09-01), Magee et al.
patent: 5153432 (1992-10-01), Devant et al.
patent: 5432342 (1995-07-01), Nishimura et al.
patent: 5451781 (1995-09-01), Dietrich et al.

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