Electromagnetic wave absorbers of silicon carbide fibers

Details Electromagnetic wave absorbers of silicon carbide fibers Electromagnetic wave absorbers of silicon carbide fibers

1983-03-21

1985-03-26

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428246, 428285, 428286, 428294, 428367, 428457, 428688, 428698, 428902, B32B 700

Patent

active

045073546

ABSTRACT:
An electromagnetic wave absorber comprising an electromagnetic wave absorbing layer consisting essentially of silicon carbide fibers, which layer may be applied to a metal plate. The wave absorber comprising the absorbing layer-applied metal plate exerts wave absorption expressed in terms of a wave attenuation which is at least 10 dB higher than the inherent attenuation caused by reflection of the wave by the absorbing layer-free original metal plate, the wave used being one which has a frequency of 8-16 GHz. Further, the silicon carbide fibers may be made into woven cloths, mat felts or the like which are laminated together and then composited with a synthetic resin or ceramics to prepare the wave absorbing layer.

REFERENCES:
patent: 4324843 (1982-04-01), Brennan

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