Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Magnetic confinement of plasma
Patent
1979-10-16
1982-02-02
Dixon, Harold A.
Induced nuclear reactions: processes, systems, and elements
Nuclear fusion
Magnetic confinement of plasma
250424, 250427, 376129, 31511181, 31511141, H01J 724, H01J 2700
Patent
active
043141803
ABSTRACT:
A source for a high density electrically neutral beam of combined positive and negative particles suitable for bombardment and heating of a pellet of nuclear fusion material to fusion temperature. A source mounted in a housing with a spherical substrate and providing free elements at the surface thereof, an electron beam for ionizing the free elements to produce positive ions, first, second and third grids spaced from each other along beam paths, and electron emitters, all for providing positive ion beams and electron beams at the same velocity for mixing to provide an overall neutral electrical charge. A porous substrate for passing a gas under pressure to the surface for ionizing. A porous substrate charged with solids, and a heater for vaporizing the solids for passing to the surface for ionizing. A source housing including precision ceramic rings with metal flanges, with substrate and grid structures carried on the flanges, with the flanges joined as by heliarc welding at their peripheries to provide a rigid mechanical and vacuum tight structure, with metal spacer rings between ceramic rings when desired.
REFERENCES:
patent: 3270498 (1966-09-01), LaRocca
patent: 3298179 (1967-01-01), Maes
patent: 3715625 (1973-02-01), Ehlers
patent: 3849656 (1974-11-01), Wallington
Dixon Harold A.
Occidental Research Corporation
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