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. 28, 2022
Filed:
Nov. 19, 2018
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Shuhei Nomura, Tokyo, JP;
Kazutaka Ono, Tokyo, JP;
Assignee:
AGC INC., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 17/06 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); H01L 23/15 (2006.01); B32B 9/00 (2006.01); H01L 27/146 (2006.01); H01L 23/373 (2006.01);
U.S. Cl.
CPC ...
C03C 3/091 (2013.01); B32B 9/005 (2013.01); B32B 17/06 (2013.01); C03C 3/093 (2013.01); H01L 23/15 (2013.01); H01L 27/14618 (2013.01); B32B 2457/00 (2013.01); H01L 23/3731 (2013.01);
Abstract
An alkali-free glass substrate includes, as represented by molar percentage based on oxides, 11.0% or more of AlO, 8.0% or more of BO, and 1% or more of SrO. The alkali-free glass substrate has an average coefficient of thermal expansion αat 100 to 200° C. of from 3.10 ppm/° C. to 3.70 ppm/° C., a Young's modulus of 76.0 GPa or less, and a density of 2.42 g/cmor more.