Coating processes – Radioactive base or coating – Particles or nuclear reactor fuel elements coated
Patent
1979-10-11
1981-03-24
Silverberg, Sam
Coating processes
Radioactive base or coating
Particles or nuclear reactor fuel elements coated
427230, G21B 100
Patent
active
042580757
ABSTRACT:
A method and apparatus using cold gas jets for producing a substantially uniform layer of cryogenic materials on the inner surface of hollow spherical members having one or more layers, such as inertially imploded targets. By vaporizing and quickly refreezing cryogenic materials contained within a hollow spherical member, a uniform layer of the materials is formed on an inner surface of the spherical member. Basically the method involves directing cold gas jets onto a spherical member having one or more layers or shells and containing the cryogenic material, such as a deuterium-tritium (DT) mixture, to freeze the contained material, momentarily heating the spherical member so as to vaporize the contained material, and quickly refreezing the thus vaporized material forming a uniform layer of cryogenic material on an inner surface of the spherical member.
REFERENCES:
patent: 4154868 (1979-05-01), Woerner
Carnahan L. E.
Denny James E.
Gaither Roger S.
Silverberg Sam
The United States of America as represented by the United States
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