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. 06, 2021
Filed:
Sep. 23, 2016
Kyocera Corporation, Kyoto, JP;
Hiroyuki Tanaka, Kyoto, JP;
KYOCERA Corporation, Kyoto, JP;
Abstract
An acoustic wave element of the present invention includes a substrate; and an IDT electrode on an upper surface of the substrate, including a first bus bar, a second bus bar arranged with a space in a first direction from the first bus bar, a plurality of first electrode fingers connected to the first bus bar, a plurality of second electrode fingers connected to the second bus bar, and a second dummy electrode finger facing a tip end of one of the first electrode fingers through a gap. In at least one of the second electrode fingers, a width in a region on the side closer to the second bus bar than a first virtual line connecting the tip ends of the plurality of first electrode fingers is wider than a width in a region on the side closer to the first bus bar than the first virtual line.