Ceramic broadband radome

Details Ceramic broadband radome Ceramic broadband radome

1980-04-30

1982-11-09

Moore, David K.

Communications: radio wave antennas

Antennas

With housing or protective covering

H01Q 142

Patent

active

043587720

ABSTRACT:
A ceramic broadband radome is provided, comprising alternating layers of silicon nitride and fused silica, including a layer of silicon nitride at both outer and inner surfaces of the radome wall and at least one additional layer of silicon nitride within the wall. Elevated temperature processing is used to form an in situ prestressed condition. Resistance to stresses induced by thermal differentials, rain erosion, particle impact, aerodynamic loads and crack propagation is improved over other monolithic and sandwich ceramic radomes, while high transmission efficiency is maintained over a wide band of radar frequencies.

REFERENCES:
patent: 3002190 (1961-09-01), Oleesky et al.
patent: 3195138 (1965-07-01), Beck et al.
patent: 3292544 (1966-12-01), Caldwell et al.
patent: 3396396 (1968-08-01), Charlton et al.
patent: 3460305 (1969-08-01), Long
patent: 3616140 (1971-10-01), Copeland
patent: 3780374 (1973-12-01), Shibano et al.
patent: 4173187 (1979-11-01), Steverding

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