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:
Jul. 30, 2024
Filed:
Feb. 18, 2022
Applicant:
Tohoku University, Sendai, JP;
Inventors:
Michio Kadota, Sendai, JP;
Shuji Tanaka, Sendai, JP;
Assignee:
Skyworks Solutions, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/54 (2006.01); H03H 9/02 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/54 (2013.01); H03H 9/02551 (2013.01); H03H 9/64 (2013.01);
Abstract
An acoustic wave device that has a better TCF and can improve a resonator Q or impedance ratio is provided. The acoustic wave device includes a substratecontaining 70 mass % or greater of silicon dioxide (SiO), a piezoelectric thin filmincluding LiTaOcrystal or LiNbOcrystal and disposed on the substrate, and an interdigital transducer electrodedisposed in contact with the piezoelectric thin film