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:
Nov. 03, 2026
Filed:
Oct. 19, 2023
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Sho Nagatomo, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
An acoustic wave device includes a piezoelectric film on an energy confinement layer, an IDT electrode and a first dielectric film on a first main surface of the piezoelectric film, a second IDT electrode and a second dielectric film on the second main surface. When a product of a density and a film thickness of the second dielectric film on a side of the second main surface is larger than that of the first dielectric film on the first main surface side, a total sum of a product of a density and a film thickness of an electrode finger of the first IDT electrode covered with the first dielectric film is smaller than a total sum of a product of a density and a film thickness of an electrode finger of the second IDT electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile