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. 18, 2025
Filed:
Mar. 02, 2020
Applicant:
Kyocera Corporation, Kyoto, JP;
Inventors:
Assignee:
KYOCERA CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 30/853 (2023.01); B41J 2/14 (2006.01); C01G 33/00 (2006.01); C01G 35/00 (2006.01);
U.S. Cl.
CPC ...
H10N 30/8542 (2023.02); C01G 33/006 (2013.01); C01G 35/006 (2013.01); B41J 2/14201 (2013.01); C01P 2002/52 (2013.01); C01P 2002/60 (2013.01); C01P 2006/40 (2013.01);
Abstract
A piezoelectric ceramic composition is represented by a composition formula ABOand includes potassium sodium niobate containing K and Na that account for 80% or more of an amount of A-site elements and containing Nb that accounts for 70% or more of an amount of B-site elements. The piezoelectric ceramic composition contains Ta and Fe at a B-site.