Radiant energy – Radiant energy generation and sources – With container for radioactive source and radiation...
Patent
1974-03-18
1978-05-16
Willis, Davis L.
Radiant energy
Radiant energy generation and sources
With container for radioactive source and radiation...
250282, 250500, G21G 304
Patent
active
040900860
ABSTRACT:
An apparatus and method for generating high-energy neutrons are disclosed. Neutron emissive target material is deposited on one or more surfaces on a rotatable, hollow, toroidal target support. Said surfaces are bombarded by beams of ions of generally rectangular cross section, so that when the bombarded surfaces are viewed end-wise, a compact, generally square source of neutrons is provided, such as is required for collimation. A combination of molecular and atomic ions emitted from at least one conventional accelerator are passed through a magnetic field for the purpose of separating the ions into one homogeneous group of atomic and one homogeneous group of molecular ions before said ions are allowed to impinge on the target surfaces. One accelerator directs ions to each target surface as the target rotates. Coolant is directed through a cavity within the toroidal support for the purpose of cooling the target support and target material. A refrigerated surface is placed in close proximity to the target surface to condense vapors which might prove harmful to the target and for thermally cooling said target.
REFERENCES:
patent: 2576600 (1951-11-01), Hanson
patent: 3268730 (1966-08-01), Van de Graaff
patent: 3657542 (1972-04-01), Futch, Jr. et al.
patent: 3733490 (1973-05-01), Roche
Rotating Neutron Target System, by Booth et al., Feb. 27, 1967, Lawrence Radiation Lab., Publication UCRL-70183.
Tritium Target For Intense Neutron Source, by Booth et al., Nov. 3, 1971, Lawrence Radiation Lab., Publication UCRL-73525.
Target Tech. For Medium and High-Power Applications, by Cossulta, Mar. 23-25, 1970, Proc. at Dak Ridge, Publ. CONF-700322, pp. 431-439.
TDN, Inc.
Willis Davis L.
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