Electric lamp and discharge devices – With magnetic device
Patent
1992-05-01
1994-08-09
Yusko, Donald J.
Electric lamp and discharge devices
With magnetic device
3133611, 3133621, 31511181, 31511171, 250423R, H01J 150, H05H 102
Patent
active
053369610
ABSTRACT:
A device for optimizing a source of ions with electronic cyclotronic resonance (ECR) is provided. The present invention comprises a conventional ECR source to which an apparatus is added for moving the resonance point (C) which appears in the dielectric pipe when the source is in operation. The controlled adjustment of the position of the resonance point (C) ensures an optimal positioning of points A and B of the equimagnetic surface, points (A) and (B) being dependent on point (C). The resonance displacement apparatus comprises, in one embodiment, a magnetic screw threaded onto its periphery so as to form a screw
ut system with the armouring of the ECR source. Particular utility is found in the area of particle accelerator equipment for use in scientific and medical applications, although other utilities are contemplated.
REFERENCES:
patent: 4780642 (1988-10-01), Jacquot
patent: 4788473 (1988-11-01), Mori et al.
patent: 5132597 (1992-07-01), Goebel et al.
Journal of Vacuum Science & Technology 8257a 8(1990) May/Jun., No. 3, New York, US "Potential Applications of an Electron Cyclotron Resonance Multicusp Plasms Source" by: Tsai et al., pp. 2900-2903.
Delaunay Marc
Jacquot Bernard
Commissariat a l''Energie Atomique
Patel Vip
Yusko Donald J.
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