Inventors:
William P. Manning - Tulsa OK
Assignee:
The United States of America as represented by the Secretary of the Army - Washington DC
International Classification:
C09J 502, H01Q 1700
Abstract:
A foamed ceramic slab is bonded to a three-layer polyimide RAM substrate to roduce a radar absorber capable of at least 10db absorptivity of the range 3 to at least 10 GHZ and of withstanding very high temperatures, for example, 3,000. degree. F for 80 seconds or 900. degree. F for 10 minutes, while weighing only about 5. 0 lbs/sq. ft.