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:
May. 19, 2015
Filed:
Aug. 01, 2012
Applicant:
Sezhian Annamalai, Painted Post, NY (US);
Inventor:
Sezhian Annamalai, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 17/00 (2006.01); G03F 1/22 (2012.01); G03F 1/00 (2012.01); B82Y 10/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
G03F 1/22 (2013.01); Y10T 428/22 (2013.01); G03F 1/146 (2013.01); B82Y 10/00 (2013.01); B82Y 40/00 (2013.01);
Abstract
In one aspect the disclosure is directed to a binary silica-titania blank having a CTE of 0±30 ppb/° C. or less and a insert made of silica-titania-dopant(s) glass in the critical zone, wherein the dopants are selected from the group consisting of aluminum oxide, selected transition metal oxides, and amount of the dopants is in the range of 0.05 wt. % to 8 wt. % and the insert is fusion bonded to the blank with or without a frit. In various embodiments the dopants are selected from the group consisting of 0.25 wt. % to 8 wt. % AlO, 0.05 wt. % to 3 wt. % NbO, and 0.25 wt. % to 6 wt. % TaO.