Mass spectrometry probe, particularly in magnetized plasma

Details Mass spectrometry probe, particularly in magnetized plasma Mass spectrometry probe, particularly in magnetized plasma

1994-05-26

1995-09-26

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250288, 250281, B01D 5944, H01J 4940

Patent

active

054536146

ABSTRACT:
This probe, which is to be placed in a uniform magnetic field, comprises an ion acceleration zone, a circular sector (6) polarized so as to create in the zone an accelerating electric field, an ion collector (8), a conducting grid (36) at the entrance to the zone for fixing the potential at said entrance, the distance between said grid and the sector being adequate to ensure that the ions drift into the zone from their incidence position on the grid. The sector has an entrance slit (38) displaced with respect to said incidence position in order that the electric field is uniform in the acceleration zone.

REFERENCES:
patent: 3816748 (1974-06-01), Harrison
patent: 3863068 (1975-01-01), Poschenriedes
patent: 4843239 (1989-06-01), Liebl
"La Separation Isotopique par Resonance Cyclotronique Ionique", Pierre Louvet, Clefs CEA, No. 14, Automne 1989, pp. 30-37.
"Space Science Instrumentation", vol. 2, No. 4, Sep. 1974, pp. 499-521.
"Journal of the Optical Society of America", vol. 70, No. 6, Jun. 1980, pp. 716-719.
"Review of Scientific Instruments", vol. 59, No. 8, Aug., 1988, pp. 1376-1379.
French Search Report--FA490563-FR 9306976--Feb. 15, 1994.

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