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. 25, 2024
Filed:
Aug. 19, 2022
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kazuya Kitada, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); H10N 30/00 (2023.01); H10N 30/20 (2023.01); H10N 30/853 (2023.01);
U.S. Cl.
CPC ...
H10N 30/10516 (2023.02); B41J 2/14233 (2013.01); H10N 30/2047 (2023.02); H10N 30/8554 (2023.02);
Abstract
A piezoelectric element in which a first electrode, a piezoelectric layer, and a second electrode are stacked on a substrate is provided. The piezoelectric element is a piezoelectric element in which the first electrode, the piezoelectric layer, and the second electrode are stacked in order on the substrate and includes an orientation control layer that is provided between the piezoelectric layer and the first electrode and that controls orientation of the piezoelectric layer and a titanium layer that is provided between the first electrode and the orientation control layer and that contains at least Ti.