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. 19, 2018
Filed:
Dec. 22, 2016
Seiko Epson Corporation, Tokyo, JP;
Yoichi Naganuma, Matsumoto, JP;
Eiju Hirai, Azumino, JP;
Yoshihiro Hokari, Azumino, JP;
Masao Nakayama, Shiojiri, JP;
Takeshi Saito, Matsumoto, JP;
Toshihiro Shimizu, Fujimi-machi, JP;
Seiko Epson Corporation, , JP;
Abstract
A piezoelectric device includes a supporting body, a supporting layer that is stacked on the supporting body, a first electrode that is formed on a side opposite to the supporting body side of the supporting layer, a piezoelectric body that is formed on a side opposite to the supporting layer side of the first electrode, and a second electrode that is formed on a side opposite to the first electrode side of the piezoelectric body, in which the piezoelectric body is formed throughout an area covering the first electrode, the second electrode is formed throughout an area covering the piezoelectric body, and a recess portion which is recessed toward the supporting body is formed outside an area overlapping with the first electrode in the supporting layer.