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:
Aug. 25, 2026
Filed:
Jul. 17, 2023
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Yuta Ishii, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
An acoustic wave device defining a filter device having a pass band, includes a laminated substrate including first and second layers, a piezoelectric layer laminated on the first layer, and an excitation electrode on the piezoelectric layer. The first layer is a dielectric layer and is included in an intermediate layer laminated on the piezoelectric layer. A thickness of the first layer is defined as td, and combinations of a magnitude relationship of acoustic impedances of the piezoelectric layer and the first and second layers, and the thickness td are as shown in Table 1:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile