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. 07, 2026
Filed:
May. 08, 2024
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Takashi Yamane, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD, Kyoto, JP;
Abstract
An acoustic wave device includes an acoustic wave element, bumps electrically connected to the acoustic wave element, an under-bump metal layer between the acoustic wave element and the bumps, a wiring substrate on which the acoustic wave element is mounted, and an encapsulating body covering the acoustic wave element on the wiring substrate. The acoustic wave element includes a support substrate, a piezoelectric layer on one main surface of the support substrate, and a functional electrode on at least one main surface of the piezoelectric layer. The wiring substrate is electrically connected to the acoustic wave element via the under-bump metal layer and the bumps. The piezoelectric layer includes a hole passing through the piezoelectric layer on at least a portion of a straight line connecting the functional electrode and the bumps to each other.