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. 09, 2016
Filed:
Jul. 18, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Akinori Yamada, Ina, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/21 (2006.01); H03H 9/215 (2006.01); H03B 5/32 (2006.01); H03H 9/05 (2006.01); H03H 9/10 (2006.01);
U.S. Cl.
CPC ...
H03H 9/215 (2013.01); H03B 5/32 (2013.01); H03H 9/0547 (2013.01); H03H 9/1021 (2013.01); H03H 9/21 (2013.01);
Abstract
In a resonator element, when a width of each of arm portions of vibrating arms along an X-axis direction is set to W, a width of each of two portions with a groove interposed therebetween, along the X-axis direction, in a principal surface of the vibrating arm is set to W, and 2×W/Wis set to η, the relation of 14.2%<η<100% is satisfied.