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. 21, 2026
Filed:
Jul. 02, 2024
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Katsuya Daimon, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
An acoustic wave device includes a piezoelectric substrate including a support including a support substrate and a piezoelectric layer on the support and made of lithium tantalate or lithium niobate, and an IDT electrode on the piezoelectric layer and including busbars and electrode fingers. d/p is less than or equal to about 0.5. Some electrode fingers are connected to one busbar. Remaining electrode fingers are connected to another busbar. A crossing region includes a central region and edge regions in an electrode-finger-extending direction. A non-support portion of the support overlaps the central region and about 90% or more of a portion of the edge regions located between the electrode fingers. A through-hole is provided in about 50% or more of the piezoelectric layer overlapping gap regions and located between the electrode fingers. The support portion overlaps a portion of the gap regions where the electrode fingers are provided.