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. 02, 2024
Filed:
Aug. 02, 2021
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Koki Sai, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/03 (2006.01); H05K 1/02 (2006.01); H05K 3/00 (2006.01); H05K 3/46 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0271 (2013.01); H05K 1/0306 (2013.01); H05K 3/0014 (2013.01); H05K 3/0052 (2013.01); H05K 3/4629 (2013.01); H05K 2203/1126 (2013.01);
Abstract
A method for manufacturing a ceramic substrate that includes forming a mother multilayer body by laminating a ceramic green sheet on a shrinkage suppressing green sheet, the shrinkage suppressing green sheet having a planar shrinkage rate in firing smaller than a planar shrinkage rate in firing of the ceramic green sheet; and forming a recessed portion in the mother multilayer body before firing by pressing a recessed portion formation planned region where the recessed portion is to be formed after firing of the mother multilayer body.