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. 29, 2012
Filed:
Feb. 13, 2009
Andrea Cathelin, Laval, FR;
Didier Belot, Rives, FR;
Alexandre Augusto Shirakawa, Talence, FR;
Eric Kerherve, Talence, FR;
Jean-marie Pham, Merignac, FR;
Pierre Jary, Talence, FR;
Andrea Cathelin, Laval, FR;
Didier Belot, Rives, FR;
Alexandre Augusto Shirakawa, Talence, FR;
Eric Kerherve, Talence, FR;
Jean-Marie Pham, Merignac, FR;
Pierre Jary, Talence, FR;
STMicroelectronics S.A., Montrouge, FR;
Centre National de la Recherche Scientifique (C.N.R.S.), Paris, FR;
Abstract
A filter with coupled resonator having a substrate; an acoustic mirror intended to support acoustic resonators, and to isolate these resonators from the substrate; a first structure with an upper resonator and a lower resonator coupled to one another through at least one layer of acoustic coupling; a second structure with an upper resonator and a lower resonator coupled to one another through at least one layer of acoustic coupling; the lower resonators of the first and second structure having the same electrodes. The first and second structures are connected via a fifth resonator for which electrodes and the piezoelectric layer of the lower resonators are of the first and second structure.