Thermal protective shield for antenna reflectors

Details Thermal protective shield for antenna reflectors Thermal protective shield for antenna reflectors

1982-07-19

1984-10-23

Lieberman, Eli

Communications: radio wave antennas

Antennas

With housing or protective covering

343909, H01Q 140

Patent

active

044791313

ABSTRACT:
A sun shield (16) is placed in front of an RF reflector (12) for thermal protection thereof. The shield comprises a Kapton substrate (20) with a thin aluminum capacitive grid (26) on the shield's reflector side (24), and a partially reflecting layer (28) of germanium on its sun side (22). Other materials and combinations thereof may be placed on either or both sides singly or in layers to obtain desired reflectance and thermal energy rejection away from the reflector.

REFERENCES:
patent: 3295131 (1966-12-01), Hollingsworth
patent: 3394378 (1968-07-01), Williams et al.
patent: 3396400 (1968-08-01), Kelly et al.

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