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:
Jan. 07, 2020
Filed:
Aug. 18, 1989
Applicants:
John Stanley Waugh, Wellesley, MA (US);
Joseph Matthew Wahl, Shirley, MA (US);
Inventors:
John Stanley Waugh, Wellesley, MA (US);
Joseph Matthew Wahl, Shirley, MA (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 19/09 (2006.01); C03C 3/06 (2006.01); C04B 35/14 (2006.01); C03B 19/06 (2006.01);
U.S. Cl.
CPC ...
C03B 19/066 (2013.01); C03C 3/06 (2013.01); C04B 35/14 (2013.01);
Abstract
A processing technique for production of fused silica for radomes and like elements is described. The processing technique includes forming a mixture of milled silica having an average particle size of about 1 to 5 microns, and a colloidal silica. This mixture is processed to form fused silica having substantially high strength.