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:
Nov. 14, 2017
Filed:
Feb. 06, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yutaka Maruyama, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01); H01L 41/09 (2006.01); H01L 41/314 (2013.01); H02N 2/00 (2006.01); H02N 2/02 (2006.01); H02N 2/10 (2006.01);
U.S. Cl.
CPC ...
H01L 41/0815 (2013.01); H01L 41/0986 (2013.01); H01L 41/314 (2013.01); H02N 2/002 (2013.01); H02N 2/0015 (2013.01); H02N 2/026 (2013.01); H02N 2/103 (2013.01); Y10T 29/42 (2015.01);
Abstract
A vibration element includes: a substrate; a ceramic layer containing molten glass and provided on the substrate; and a piezoelectric element fixed to the substrate with the ceramic layer therebetween, wherein the piezoelectric element includes a first electrode layer provided in contact with the ceramic layer, a second electrode layer, and a piezoelectric layer provided between the first electrode layer and the second electrode layer, and the first electrode layer has a thickness larger than that of the second electrode layer.