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:
Sep. 08, 2015
Filed:
Aug. 03, 2011
Applicants:
Shingo Nakane, Shiga, JP;
Kosuke Kawamoto, Shiga, JP;
Inventors:
Shingo Nakane, Shiga, JP;
Kosuke Kawamoto, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/12 (2006.01); C03C 10/14 (2006.01); C03C 10/00 (2006.01); C03C 3/097 (2006.01); C03B 32/02 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0054 (2013.01); C03C 3/097 (2013.01); C03C 10/0027 (2013.01); C03B 32/02 (2013.01);
Abstract
Provided is a LiO—AlO—SiO-based crystallized glass, comprising, as a composition in terms of mass %, 55 to 75% of SiO, 20.5 to 27% of AlO, 2% or more of LiO, 1.5 to 3% of TiO, 3.8 to 5% of TiO+ZrO, and 0.1 to 0.5% of SnO, and satisfying the relationships of 3.7≦LiO+0.741MgO+0.367ZnO≦4.5 and SrO+1.847CaO≦0.5.