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:
Jul. 18, 2000
Filed:
Jun. 24, 1997
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ; C04B / ; C30B / ; F42B / ;
U.S. Cl.
CPC ...
343872 ; 428 344 ; 428 346 ; 428 365 ;
Abstract
Radome which is mainly constituted of at least one porous ceramic material. The radome is useful as a cover for protecting a radar, which is excellent in weather resistance, machinability and relative dielectric constant. The porous ceramic radome material may be coated or impregnated with a resin, amorphous silica or borosilicate glass in order to improve the tightness and the resistance to heat and oxidation.