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.

Date of Patent:
Sep. 01, 2020

Filed:

Oct. 12, 2017
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Yasuhiro Tanaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01); H02N 2/00 (2006.01); G02B 7/10 (2006.01); H01L 41/313 (2013.01); G02B 7/08 (2006.01); H02N 2/02 (2006.01); H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
H02N 2/001 (2013.01); G02B 7/08 (2013.01); G02B 7/10 (2013.01); H01L 41/0815 (2013.01); H01L 41/313 (2013.01); H02N 2/0025 (2013.01); H02N 2/026 (2013.01);
Abstract

A vibrator includes a piezoelectric element including a piezoelectric ceramic having an electrode, a vibration plate, and an adhesive layer between the piezoelectric element and the vibration plate, wherein the adhesive layer is obtained by a resin containing 50 parts by mass or more and 80 parts by mass or less of organic particles having a number average particle size of 5 μm or more and 15 μm or less, relative to 100 parts by mass of the resin.


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