Broadband electromagnetic energy absorber

Details Broadband electromagnetic energy absorber Broadband electromagnetic energy absorber

1988-04-11

1993-06-29

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Spiral or helical type

H01Q 136

Patent

active

052238490

ABSTRACT:
A radar absorbing material comprising multiple layers integrated to form a thin flexible and light weight structure. The material includes a substrate disposed thereon antenna elements that are relatively loaded to enable one to construct a device in relatively small and thin size. The broad handling of the device is carried out by multi-layering concepts in which different size antenna patterns are multi-layered with each layer designed to absorb frequencies in s specified range. The antenna elements are selected for their intrinsic broadband properties and to preferably be polarization insensitive.

REFERENCES:
patent: 3185986 (1965-05-01), McCaughna et al.
patent: 4439768 (1984-03-01), Ebneth et al.
patent: 4525720 (1985-06-01), Corzine et al.
patent: 4539433 (1985-09-01), Ishino et al.
patent: 4605934 (1986-08-01), Andrews
patent: 4675690 (1987-06-01), Hoffman
patent: 4684952 (1987-08-01), Munson et al.
patent: 4742354 (1988-05-01), Wen et al.

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