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:
Dec. 06, 2022
Filed:
Aug. 27, 2021
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Koichiro Kawasaki, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
An acoustic wave device includes a cover portion, an outer support layer, a support portion, a piezoelectric substrate, and functional elements on the piezoelectric substrate. The outer support layer is on the piezoelectric substrate around a region where the functional elements are disposed. The cover portion is opposed to the piezoelectric substrate with the outer support layer interposed therebetween. The support portion is in a hollow space defined by the piezoelectric substrate, the outer support layer, and the cover portion. The height of the support portion is smaller than that of the outer support layer and larger than that of each of the functional elements. A gap is provided between the support portion and the cover portion or between the support portion and the piezoelectric substrate.