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:
Feb. 22, 2022
Filed:
Oct. 22, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Michio Endo, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/12 (2006.01); C03B 11/12 (2006.01); C03B 19/10 (2006.01); G02B 1/00 (2006.01); C03C 3/155 (2006.01);
U.S. Cl.
CPC ...
C03C 3/12 (2013.01); C03B 11/122 (2013.01); C03B 19/102 (2013.01); C03C 3/127 (2013.01); G02B 1/00 (2013.01); C03B 2215/12 (2013.01); C03B 2215/17 (2013.01); C03B 2215/24 (2013.01); C03B 2215/48 (2013.01); C03C 3/155 (2013.01); C03C 2203/10 (2013.01); C03C 2203/40 (2013.01);
Abstract
An optical glass includes La, Zn, Nb, and Tias a cation configuring glass. La, Zn, Nb, and Tiwhich satisfy 10 cat %≤La≤20 cat %, 10 cat %≤Zn≤60 cat %, 20 cat %≤Nb≤60 cat %, and 0 cat %≤Ti≤40 cat % expressed by cation %.