Fiber ceramic antenna reflector

Details Fiber ceramic antenna reflector Fiber ceramic antenna reflector

1986-10-06

1988-01-19

Sikes, William L.

Communications: radio wave antennas

Antennas

Antenna components

343911R, 343DIG2, H01Q 1516

Patent

active

047207132

ABSTRACT:
An antenna reflector having a parabolically curved reflecting surface is formed of a cellular ceramic material having ceramic fibers fused together in a rigid cellular structure. The body is formed by bonding or fusing a mass of silicon dioxide fibers together at their points of intersection with a fusing agent such as boron nitride in a sintering process, resulting in a fused array of fibers with cellular porosity intentionally distributed through the body to reduce its density. Other types of ceramic fibers can be used either alone or in combination with the silicon dioxide fibers. The antenna reflector finds particular utility in parabolic antennas for satellite microwave communications systems.

REFERENCES:
patent: 3917773 (1975-11-01), Gates, Jr. et al.
patent: 4188358 (1980-02-01), Withoos et al.
patent: 4605935 (1986-08-01), Kusano

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