Reflector antenna and method of fabrication

Details Reflector antenna and method of fabrication Reflector antenna and method of fabrication

1986-05-05

1988-07-05

Sikes, William L.

Communications: radio wave antennas

Antennas

Antenna components

H01Q 128

Patent

active

047558199

ABSTRACT:
A parabolically-shaped reflector antenna particularly intended for space vehicle applications, can be transported into outer space in a folded state. There it is inflated by means of a gaseous agent, such as a gas compound or gaseous medium, which is transported with the space vehicle. The antenna reflector and an antenna radome form an inflatable cavity which is stabilized by a rigidizing torus. The covering material of the antenna reflector, the antenna radome and the rigidizing torus comprise a resin-impregnated layer of fabric. After inflation in outer space, the reflector antenna is aligned such that it will be substantially uniformly heated by the sun for substantially uniform polymerization of the resin impregnant. After polymerization, the reflector antenna requires no gas pressure to keep its shape.

REFERENCES:
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patent: 3282533 (1966-11-01), Spain
patent: 3354458 (1967-11-01), Rottmayer
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patent: 3916418 (1975-10-01), Erdmann et al.
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patent: 4475109 (1984-10-01), Dumas et al.
patent: 4550319 (1985-10-01), Ganssle eet al.
"Antennas for Space Communication-Deployable Paraboloids", NASA Contractor Report No. NASA CR-1688, published Feb., 1971.

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