Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Magnetic confinement of plasma
Patent
1983-07-26
1988-12-27
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Nuclear fusion
Magnetic confinement of plasma
376144, 250427, 3133611, 3133631, 31511131, 31511141, 31511161, 31511181, G21B 100, H05H 100
Patent
active
047939613
ABSTRACT:
A high concentration of positive molecular ions of hydrogen or deuterium gas is extracted from a positive ion source having a short path length of extracted ions, relative to the mean free path of the gas molecules, to minimize the production of other ion species by collision between the positive ions and gas molecules. The ion source has arrays of permanent magnets to produce a multi-cusp magnetic field in regions remote from the plasma grid and the electron emitters, for largely confining the plasma to the space therebetween. The ion source has a chamber which is short in length, relative to its transverse dimensions, and the electron emitters are at an even shorter distance from the plasma grid, which contains one or more extraction apertures.
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UCRL-87831, "Multi-Megawatt Neutral Beams for MFTF-B", Nov. 1982, Kerr.
LBL-14955, "A High Concentration H.sub.2.sup.+ or D.sub.2.sup.+ Ion Sourc Jan. 1983, Ehlers et al.
Ehlers Kenneth W.
Leung Ka-Ngo
Carnahan L. E.
Gaither Roger S.
Hightower Judson R.
Klein Richard L.
Kyle Deborah L.
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