Microwave absorbing material

Details Microwave absorbing material Microwave absorbing material

1990-04-16

1991-12-03

Stoll, Robert L.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428402, 428407, 428447, B32B 900

Patent

active

H00010022

ABSTRACT:
A microwave absorbing material for the range 2500-6000 MHz is formed by using hollow carbon microspheres in the range of sizes between 90 and 350 microns outside diameter mixed unformly in a matrix of flexible silicone such that the microspheres are 27 to 34 percent by weight of the absorbing material. An important advantage of the present invention is the material contains no iron, is shock resistant, flexible and stable in thicknesses of 0.2 inches or greater.

REFERENCES:
patent: 2877286 (1959-03-01), Vanle et al.
patent: 2996710 (1961-08-01), Pratt
patent: 3951904 (1976-04-01), Tomonaga
patent: 4003840 (1977-01-01), Ishino et al.
patent: 4112179 (1978-09-01), Maccalous et al.
patent: 4116906 (1978-09-01), Ishino et al.

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