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. 04, 2019
Filed:
Jun. 06, 2016
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Inventors:
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo-Shi, Kyoto-Fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/113 (2006.01); H01L 41/047 (2006.01); H04R 17/02 (2006.01); H04R 19/01 (2006.01); H01L 41/187 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1138 (2013.01); H01L 41/0478 (2013.01); H04R 17/025 (2013.01); H04R 19/016 (2013.01); H01L 41/187 (2013.01); H04R 17/02 (2013.01); H04R 2201/003 (2013.01);
Abstract
A piezoelectric device that includes: a diaphragm; a supporting part configured to support at least a portion of an end of the diaphragm; a piezoelectric film disposed along a portion supported by the supporting part on the diaphragm, a width of the film along the supported portion being narrower than a width of the portion; a lower electrode disposed at a face of the piezoelectric film on a diaphragm side; and an upper electrode disposed on a face of the piezoelectric film on an opposite side to the diaphragm.