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:
Oct. 13, 2026
Filed:
Apr. 27, 2023
Seiko Epson Corporation, Tokyo, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
A piezoelectric element according to the present disclosure includes: a substrate; a first adhesion layer formed on the substrate and containing titanium; at least one of second adhesion layers formed on the substrate and containing titanium oxide; a first electrode formed on the first adhesion layer and the second adhesion layer; a seed layer formed on the first electrode and the substrate and containing titanium; a piezoelectric layer formed on the seed layer; and a second electrode formed on the piezoelectric layer. At least a part of an end portion of the first electrode is formed on the second adhesion layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile