The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 1978
Filed:
May. 26, 1970
Applicant:
Inventors:
William P Manning, Tulsa, OK (US);
Walter T Passiuk, Tulsa, OK (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
C09J / ; H01Q / ;
U.S. Cl.
CPC ...
343 / ; 156308 ;
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.