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:
Feb. 21, 2023
Filed:
Mar. 14, 2019
Applicant:
Rf360 Europe Gmbh, Munich, DE;
Inventors:
Christian Huck, Munich, DE;
Matthias Knapp, Munich, DE;
Assignee:
RF360 EUROPE GMBH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 3/08 (2006.01); H03H 9/64 (2006.01); H03H 9/145 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02574 (2013.01); H03H 3/08 (2013.01); H03H 9/02834 (2013.01); H03H 9/02944 (2013.01); H03H 9/145 (2013.01); H03H 9/6489 (2013.01);
Abstract
A TF-SAW resonator with improved quality factor is provided. The resonator has its piezoelectric material in the form of a thin film and an electrode structure arranged on the piezoelectric layer. Pitch (P) and metallization ratio (n) are chosen to maximize the quality factor (Q).