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:
Apr. 28, 2015
Filed:
Mar. 29, 2012
Applicants:
Takumi Ariji, Saitama, JP;
Kunio Morita, Saitama, JP;
Inventors:
Takumi Ariji, Saitama, JP;
Kunio Morita, Saitama, JP;
Assignee:
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/10 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 9/1021 (2013.01); H03H 9/0595 (2013.01); H03H 9/1035 (2013.01);
Abstract
A piezoelectric device, in which one of a first plate, a second plate, and an adhesive agent is colored for confirming a bonding status of the adhesive agent, and a manufacturing method thereof, are provided. A piezoelectric device includes a piezoelectric vibrating piece that vibrates by applying a voltage; a first plate and a second plate formed of glass and seal the piezoelectric vibrating piece; and an adhesive agent which bonds the first plate with the second plate, wherein one of the first plate, the second plate, and the adhesive agent is colored.