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. 13, 2024
Filed:
Jun. 11, 2021
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 1/03 (2006.01); B32B 17/06 (2006.01); B32B 37/18 (2006.01); C03C 10/00 (2006.01); H01L 23/15 (2006.01); B32B 3/26 (2006.01); B32B 37/06 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0306 (2013.01); B32B 3/266 (2013.01); B32B 17/06 (2013.01); B32B 37/06 (2013.01); B32B 37/18 (2013.01); C03C 10/0018 (2013.01); C03C 10/0054 (2013.01); B32B 2255/205 (2013.01); B32B 2307/202 (2013.01); B32B 2307/206 (2013.01); B32B 2310/049 (2013.01); B32B 2311/08 (2013.01); B32B 2311/12 (2013.01); B32B 2315/02 (2013.01); B32B 2315/08 (2013.01); B32B 2457/04 (2013.01); C03C 2204/00 (2013.01);
Abstract
The laminate of the present disclosure includes multiple glass ceramic layers each containing quartz and a glass that contains SiO, BO, AlO, and MO, where M is an alkali metal. The B concentration of a surface layer portion of the laminate is lower than the B concentration of an inner layer portion of the laminate.