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:
Oct. 06, 2020
Filed:
Oct. 05, 2017
Applicant:
Nihon Yamamura Glass Co., Ltd., Amagasaki-shi, Hyogo, JP;
Inventor:
Kozo Maeda, Hyogo, JP;
Assignee:
NIHON YAMAMURA GLASS CO., LTD., Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 8/24 (2006.01); C03C 10/00 (2006.01); C03C 8/02 (2006.01); C03C 8/04 (2006.01); H01M 8/0282 (2016.01); H01M 8/124 (2016.01);
U.S. Cl.
CPC ...
C03C 8/24 (2013.01); C03C 8/02 (2013.01); C03C 8/04 (2013.01); C03C 10/00 (2013.01); H01M 8/0282 (2013.01); C03C 2205/00 (2013.01); H01M 2008/1293 (2013.01);
Abstract
Disclosed is a sealing glass composition that turns, when fired at a temperature of 900-1150° C., into a crystallized glass having a thermal expansion coefficient of 80-110×10/° C. in the range of 50-850° C. The composition is substantially free of both boron oxide and barium oxide, and comprises SiO: 43-53 mol %, CaO: 12-33 mol %, MgO: 12-33 mol %, LaO: 1-7 mol %, and ZnO: 0-4.5 mol %.