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:
Mar. 24, 2020
Filed:
Oct. 30, 2015
Daishinku Corporation, Kakogawa-shi, Hyogo, JP;
Takuya Kojo, Kakogawa, JP;
DAISHINKU CORPORATION, Kakogawa, JP;
Abstract
An AT-cut crystal resonator plate () includes a first main surface () on which a first excitation electrode () is formed and a second main surface () on which a second excitation electrode () is formed. The AT-cut crystal resonator plate () further includes: a substantially rectangular-shaped vibrating part () that is piezoelectrically vibrated when a voltage is applied to the first excitation electrode () and the second excitation electrode (); a holding part () protruding from a corner part () of the vibrating part () in a Z' axis direction of the AT-cut crystal; and an external frame part () configured to surround an external circumference of the vibrating part () and to hold the holding part ().