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:
Sep. 29, 2015
Filed:
Jun. 24, 2011
Dariusz Burak, Fort Collins, CO (US);
Alexandre Shirakawa, San Jose, CA (US);
Chris Feng, Fort Collins, CO (US);
Phil Nikkel, Loveland, CO (US);
Stefan Bader, Fort Collins, CO (US);
Dariusz Burak, Fort Collins, CO (US);
Alexandre Shirakawa, San Jose, CA (US);
Chris Feng, Fort Collins, CO (US);
Phil Nikkel, Loveland, CO (US);
Stefan Bader, Fort Collins, CO (US);
Avago Technologies General IP (Singapore) Pte. Ltd., Singapore, SG;
Abstract
In accordance with a representative embodiment, a bulk acoustic wave (BAW) resonator structure, comprises: a first BAW resonator comprising a first lower electrode, a first upper electrode and a first piezoelectric layer disposed between the first lower electrode and the first upper electrode; a second BAW resonator comprising a second lower electrode, a second upper electrode and a second piezoelectric layer disposed between the second lower electrode and the second upper electrode; an acoustic coupling layer disposed between the first BAW resonator and the second BAW resonator; and a bridge disposed between the first lower electrode of the first BAW resonator and the second upper electrode of the second BAW resonator. An inner raised region or an outer raised region, or both are disposed over the second upper electrode.