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:
May. 30, 2017
Filed:
Oct. 05, 2012
Centre National DE LA Recherche Scientifique (C.n.r.s.), Paris, FR;
Universite DE Franche-comte, Besancon, FR;
Ecole Nationale Superieure DE Mecanique ET Des Microtechniques, Besancon, FR;
Sylvain Ballandras, Besancon, FR;
Gwenn Ulliac, Besancon, FR;
Blandine Edouard-Guichardaz, Auxon-Dessous, FR;
Thomas Baron, Besancon, FR;
Jean-Yves Rauch, Auxon-Dessous, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
UNIVERSITE DE FRANCHE-COMTE, Besancon, FR;
ECOLE NATIONALE SUPERIEURE DE MECANIQUE ET DES MICROTECHNIQUES, Besancon, FR;
Abstract
A bulk wave piezoelectric resonator operating at a predetermined frequency includes a substrate block, having a plane face, a first thickness and consisting of a first material, a resonant plate having a length, width and second thickness, and consisting of a second piezoelectric material, first and second metal electrodes at least partly covering the resonant plate on each side and partly facing each other. The resonant plate is fixed perpendicularly in the vicinity of the plane face of the substrate block so that the width of the resonant plate and the first thickness of the substrate block have the same direction, and the first material, the second material, the first thickness of the block of substrate, the length, the width, the second thickness of the resonant plate are configured for trapping bulk waves at the operating frequency of the resonator and for producing a plane-plane type bulk wave piezoelectric resonator.