Serrated electromagnetic absorber
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United States of America Patent
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-
May 4, 1993
Grant Date -
N/A
app pub date -
Aug 28, 1991
filing date -
Aug 28, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
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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