Electromagnetic power absorber

Details Electromagnetic power absorber Electromagnetic power absorber

1977-09-15

1979-08-14

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

343 18A, 343909, H01P 122

Patent

active

041647181

ABSTRACT:
A structure with a surface portion of dielectric material which passes electromagnetic radiation and with a portion below the surface which includes material that absorbs the radiation, the face of the structure being formed with numerous steep ridges. The steepness of the dielectric material results in a high proportion of the electromagnetic energy passing through the surface for absorption by the absorbing material under the surface. A backing of aluminum or other highly heat-conductive and reflective material lies under the face and has very steep protuberances supporting the absorbing and dielectric materials.

REFERENCES:
patent: 2464006 (1949-03-01), Tiley
patent: 2870439 (1959-01-01), Stinehelfer
patent: 2977591 (1961-03-01), Tanner
patent: 2994400 (1961-08-01), Heller
patent: 3806943 (1974-04-01), Holloway
patent: 3836967 (1974-09-01), Wright
patent: 4050073 (1977-09-01), Wesch

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