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:
Jun. 17, 2025
Filed:
Jan. 28, 2022
Applicant:
Hoya Corporation, Tokyo, JP;
Inventors:
Assignee:
HOYA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/16 (2006.01); C03C 3/21 (2006.01); G02B 1/00 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/16 (2013.01); C03C 3/21 (2013.01); G02B 1/00 (2013.01); G02B 5/00 (2013.01);
Abstract
Provided is oxide glass in which a content of Pis 7 to 43 cation %, a content of Nb ions is 10 to 21 cation %, a content of Liis 20 cation % or more, a total content of Nb ions and Liis 48 to 70 cation %, a content of Bi ions is more than 0 cation % and is equal to or less than 6 cation %, a content of Bais 5 cation % or less, a content of Zris 2 cation % or less, a total content of Ti ions and W ions is 5 cation % or less, and a cation ratio of the content of Lito a total content of Li, Na, and K[Li/(Li+Na+K)] is 0.5 or more.