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:
Nov. 28, 2017
Filed:
May. 06, 2016
Applicant:
Hoya Corporation, Tokyo, JP;
Inventors:
Shuhei Mikami, Tokyo, JP;
Yasuhiro Fujiwara, Tokyo, JP;
Assignee:
HOYA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/21 (2006.01); C03C 3/064 (2006.01); C03B 11/00 (2006.01); C03B 5/16 (2006.01); C03B 5/193 (2006.01); C03B 5/43 (2006.01); C03C 3/068 (2006.01);
U.S. Cl.
CPC ...
C03C 3/21 (2013.01); C03B 5/16 (2013.01); C03B 5/193 (2013.01); C03B 5/43 (2013.01); C03B 11/005 (2013.01); C03C 3/064 (2013.01); C03C 3/068 (2013.01); Y02P 40/57 (2015.11);
Abstract
A glass including at least one type of oxide selected from TiO, NbO, WO, and BiOas a glass component therefor, having a total TiO, NbO, WO, and BiOcontent of at least 20 mol %, and having a βOH value indicated in formula (1) that fulfills the relationship indicated in formula (2).βOH=−[ln()]/  (1);βOH≧0.4891×ln(1/)+2.48  (2).