Process for fabricating cryogenic targets and targets made there

Details Process for fabricating cryogenic targets and targets made there Process for fabricating cryogenic targets and targets made there

1983-06-03

1985-08-13

Lawrence, Evan K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

372 39, 427160, 427237, 4272481, 427272, B32B 310, B05D 500, B05D 132

Patent

active

045350230

ABSTRACT:
A process for patterning a target for lasing at X-ray wavelengths from materials which cannot be readily shaped. A substrate of one material is placed in a gaseous atmosphere of another material, and the substrate is cooled below the freezing point of the other material so that a frozen layer of the other material condenses onto the substrate. Part of the frozen layer of the other material is masked, and the unmasked part of the frozen layer is vaporized so that the substrate of the one material is coated with the other material according to the pattern of the mask. The target made by the process is also disclosed.

REFERENCES:
patent: 3914446 (1975-10-01), Ohkuma
patent: 4039698 (1977-08-01), Fraser et al.
Hawley, G. G., The Condensed Chemical Dictionary, Ninth Edition, New York, an Nostrand Reinhold Co., 1977, pp. 35, 691, 692.

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