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:
Dec. 14, 2021
Filed:
Mar. 21, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Jumpei Hayashi, Yokohama, JP;
Kenichi Takeda, Yokohama, JP;
Shinya Koyama, Tokyo, JP;
Takayuki Watanabe, Yokohama, JP;
Yasushi Shimizu, Fujisawa, JP;
Tatsuo Furuta, Machida, JP;
Miki Ueda, Tokyo, JP;
Akira Uebayashi, Tokyo, JP;
Hidenori Tanaka, Tokyo, JP;
Makoto Kubota, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a method of manufacturing an oscillator, including: arranging an electrode on a piezoelectric ceramics free from being subjected to polarization treatment, to thereby provide a piezoelectric element; bonding the piezoelectric element and a diaphragm to each other at a temperature T; bonding the piezoelectric element and a power supply member to each other at a temperature T; and subjecting the piezoelectric ceramics to polarization treatment at a temperature T, in which the temperature T, the temperature T, and the temperature Tsatisfy a relationship T>Tand a relationship T>T