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:
Apr. 23, 2024
Filed:
Mar. 31, 2021
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Assignee:
SCHOTT AG, Mainz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 8/24 (2006.01); C03C 3/118 (2006.01); C03C 8/06 (2006.01);
U.S. Cl.
CPC ...
C03C 8/06 (2013.01); C03C 3/118 (2013.01);
Abstract
A sealing glass is provided that includes SiO, AlOhaving a content of less than 2% by weight, is free of PbO except for unavoidable impurities, a coefficient of linear thermal expansion (α) of more than 10*10/K, a dielectric constant (ε) in the range from at least 7.10 to not more than 7.80 at a measurement frequency of 1 MHz and a temperature of 25° C., and a glass transition temperature (T) in a range from 400 to 550° C.