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. 16, 2023
Filed:
Aug. 21, 2020
Applicant:
Skyworks Solutions, Inc., Irvine, CA (US);
Inventor:
Joji Fujiwara, Suita, JP;
Assignee:
SKYWORKS SOLUTIONS, INC., Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/145 (2006.01); H03H 9/64 (2006.01); H03H 9/25 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 9/145 (2013.01); H03H 9/058 (2013.01); H03H 9/25 (2013.01); H03H 9/6483 (2013.01);
Abstract
An acoustic wave device comprises a substrate including a piezoelectric material, interdigital transducer (IDT) electrodes disposed on a surface of the substrate, the IDT electrodes having gap regions, edge regions, and center regions, a first dielectric film having a lower surface disposed on the IDT electrodes and the surface of the substrate, and a material having a density greater than a density of the first dielectric film disposed above the gap regions of the IDT electrodes.