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:
Aug. 31, 2021
Filed:
Jul. 06, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Tomohisa Iwazaki, Matsumoto, JP;
Yutaka Arakawa, Hara, JP;
Akio Konishi, Matsumoto, JP;
Yuichiro Tsuyuki, Matsumoto, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H01L 41/047 (2006.01); H01L 41/053 (2006.01); H01L 41/083 (2006.01); H02N 2/12 (2006.01); B25J 17/02 (2006.01); B25J 9/12 (2006.01); H01L 41/25 (2013.01); H02N 2/10 (2006.01);
U.S. Cl.
CPC ...
H01L 41/0533 (2013.01); B25J 9/12 (2013.01); B25J 17/02 (2013.01); H01L 41/047 (2013.01); H01L 41/053 (2013.01); H01L 41/083 (2013.01); H01L 41/09 (2013.01); H01L 41/0913 (2013.01); H01L 41/25 (2013.01); H02N 2/103 (2013.01); H02N 2/12 (2013.01);
Abstract
A piezoelectric drive device includes: a vibrating body having a first surface and a second surface provided with a recessed portion; and a piezoelectric element provided on the first surface. The recessed portion and the piezoelectric element have an overlap region when viewed in a normal direction of the second surface.