Method for forming targets

Details Method for forming targets Method for forming targets

1978-07-13

1979-05-15

Silverberg, Sam

Coating processes

Radioactive base or coating

Particles or nuclear reactor fuel elements coated

427237, 427 53, 427 5, 176 1, 118 491, G21B 100

Patent

active

041548680

ABSTRACT:
Method for cryoinduced uniform deposition of cryogenic materials, such as deuterium-tritium (DT) mixtures, on the inner surface of hollow spherical members, 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 the inner surface of the spherical member. Heating of the cryogenic material, located within a non-isothermal compact freezing cell, is accomplished by an electrical heat pulse, whereafter the material is quickly frozen forming a uniform layer on the inner surface of the spherical member. The method is not restricted to producing a frozen layer on only the inner surface of the innermost hollow member, but where multiple concentric hollow spheres are involved, such as in multiple shell targets for lasers, electron beams, etc., layers of cryogenic material may also be formed on the inner surface of intermediate or outer spherical members, thus providing the capability of forming targets having multiple concentric layers or shells of frozen DT.

REFERENCES:
miller -- APS 18th Annual Meeting of the Plasma Physics Division of the APS, Nov. 15-19, 1976.

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