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. 09, 2021
Filed:
Dec. 26, 2019
Applicant:
Resonant Inc., Goleta, CA (US);
Inventors:
Sean McHugh, Santa Barbara, CA (US);
Gregory L. Hey-Shipton, Santa Barbara, CA (US);
Garrett Williams, San Mateo, CA (US);
Assignee:
Resonant Inc., Goleta, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/64 (2006.01); H03H 9/72 (2006.01); H03H 9/60 (2006.01); H03H 9/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/6483 (2013.01); H03H 9/02559 (2013.01); H03H 9/605 (2013.01); H03H 9/725 (2013.01);
Abstract
Filter devices and methods of fabricating filter devices. A filter device includes a first chip and a second chip. The first chip has a first material stack and contains one or more series resonators of a ladder filter circuit. The second chip has a second material stack and contains one or more shunt resonators of the ladder filter circuit. The first material stack and the second material stack are different.