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:
Aug. 29, 2017
Filed:
Oct. 29, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Osamu Ishii, Tatsuno, JP;
Yusuke Sugimoto, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/047 (2006.01); H03B 5/32 (2006.01); H03H 9/17 (2006.01); H03H 9/02 (2006.01); H03H 9/19 (2006.01); H03H 9/13 (2006.01); H03H 9/10 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 9/19 (2013.01); H03H 9/1021 (2013.01); H03H 9/132 (2013.01); H03H 9/171 (2013.01); H03H 9/177 (2013.01); H03H 9/0542 (2013.01);
Abstract
A resonator element includes a vibrating portion that vibrates in a thickness shear vibration and includes a first main surface and a second main surface which are in a front and back relationship to each other, a first excitation electrode that is provided on the first main surface, and a second excitation electrode that is provided on the second main surface, and an energy trapping coefficient M satisfies a relationship of 33.6≦M≦65.1.