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:
Sep. 23, 2025
Filed:
May. 22, 2023
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Katsuya Daimon, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/17 (2006.01); H03H 9/58 (2006.01); H03H 9/60 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02031 (2013.01); H03H 9/02157 (2013.01); H03H 9/171 (2013.01); H03H 9/582 (2013.01); H03H 9/605 (2013.01);
Abstract
An acoustic wave device includes a piezoelectric layer including lithium tantalate or lithium niobate, a dielectric film on the piezoelectric layer, the dielectric film including a dielectric material having a higher dielectric constant than that of the lithium tantalate or lithium niobate, and an IDT electrode on the dielectric film.