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. 16, 2024
Filed:
Sep. 10, 2021
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Hiromu Okunaga, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02015 (2013.01); H03H 9/02228 (2013.01);
Abstract
An acoustic wave device includes an energy confinement layer, a piezoelectric film, and an IDT electrode laminated on a support substrate. Acoustic velocity adjustment films are at least partially provided between the piezoelectric film and the support substrate and are made of a material different from that of the piezoelectric film.