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. 03, 2016
Filed:
Jun. 03, 2015
Applicant:
Resonant Inc., Santa Barbara, CA (US);
Inventors:
James R. Costa, Lompoc, CA (US);
Kurt Raihn, Goleta, CA (US);
Assignee:
Resonant Inc., Santa Barbara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/72 (2006.01); H03H 9/64 (2006.01); H03H 9/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/725 (2013.01); H03H 9/02818 (2013.01); H03H 9/02905 (2013.01); H03H 9/02992 (2013.01); H03H 9/6483 (2013.01); H03H 9/6409 (2013.01);
Abstract
Filter devices and duplexer devices are disclosed. A filter device includes two or more surface acoustic wave resonators, including at least a first shunt resonator, formed on a surface of a substrate. A ground conductor formed on the surface of the substrate connects the first shunt resonator to a ground pad. At least a portion of an edge of the ground conductor is shaped as a plurality of serrations.