Serrated electromagnetic absorber

Details Serrated electromagnetic absorber Serrated electromagnetic absorber

1991-08-28

1993-05-04

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Radio wave absorber

With particular geometric configuration

342 1, H01Q 1700

Patent

active

052085996

ABSTRACT:
Electromagnetic absorber having serrations on a surface or surfaces thereof to reduce reflectivity of incident electromagnetic waves thereon. The serrations form a plurality of fins, the height of adjacent fins being spaced by a small distance. Preferably the total absorber wedge height is greater than about 1 wavelength at the lowest design frequency and the height between the serration tips is less than 1/4 wavelength at the lowest design frequency.

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patent: 4906998 (1990-03-01), Shibuya
patent: 4942402 (1990-07-01), Prewer et al.

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