Gold-plated tungsten knit RF reflective surface

Details Gold-plated tungsten knit RF reflective surface Gold-plated tungsten knit RF reflective surface

1983-09-09

1986-09-02

Lieberman, Eli

Communications: radio wave antennas

Antennas

Mesh, woven, braided or multiple strip

343912, 66202, H01Q 136

Patent

active

046099239

ABSTRACT:
An improved antenna mesh material is made of gold-plated tungsten wire. Because gold-plated tungsten can be drawn to a very fine diameter (less than one mil) it results in a knit mesh having low mechanical stiffness. It also has high electrical conductivity, thereby enhancing its operation as an antenna reflector up to the higher RF frequencies (EHF). In addition, gold-plated tungsten has both sufficient tensile strength and a low coefficient of thermal expansion which enables it to maintain high reflector surface accuracy for changing thermal conditions.

REFERENCES:
patent: 3327866 (1967-06-01), Pall et al.
patent: 3855598 (1974-12-01), Keller
patent: 3864179 (1975-02-01), Davidoff
patent: 4191604 (1980-03-01), MacTurk
patent: 4353070 (1982-10-01), Pyee
patent: 4439768 (1984-03-01), Ebneth et al.
patent: 4549187 (1985-10-01), Levy
Knitting Times, "Metex, New Knitted Metal Textile, Introduced", vol. 40, No. 28, Jul. 5, 1971, pp. 24-25.

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