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:
Apr. 07, 2020
Filed:
Mar. 13, 2017
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Inventor:
Masashi Omura, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/25 (2006.01); H03H 9/02 (2006.01); H03H 9/56 (2006.01); H03H 3/08 (2006.01); H03H 9/145 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/25 (2013.01); H03H 3/08 (2013.01); H03H 9/02125 (2013.01); H03H 9/02228 (2013.01); H03H 9/02952 (2013.01); H03H 9/14502 (2013.01); H03H 9/568 (2013.01); H03H 9/6483 (2013.01);
Abstract
In an elastic wave device, a piezoelectric substrate is stacked on a support substrate and an IDT electrode is provided on the piezoelectric substrate. Wiring line portions are provided on the piezoelectric substrate. A first hollow portion is provided in the support substrate at least below at least one of the wiring line portions and or below a region between the wiring line portions.