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:
Mar. 26, 2024
Filed:
Sep. 27, 2021
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kazuya Kitada, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); H10N 30/00 (2023.01); H10N 30/078 (2023.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01); H10N 30/10516 (2023.02); B41J 2002/14258 (2013.01); H10N 30/078 (2023.02);
Abstract
Provided is a piezoelectric element in which a first electrode, a seed layer, a piezoelectric layer, and a second electrode are laminated on a substrate, in which the seed layer is a composite oxide containing at least Pb, Bi, Fe, and Ti.