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:
Aug. 08, 2023
Filed:
Nov. 24, 2020
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventor:
Ryohei Komiyama, Tokyo, JP;
Assignee:
TAIO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 3/04 (2006.01); H03H 9/72 (2006.01); H10N 30/87 (2023.01);
U.S. Cl.
CPC ...
H03H 9/02574 (2013.01); H03H 3/04 (2013.01); H03H 9/02559 (2013.01); H03H 9/02834 (2013.01); H03H 9/725 (2013.01); H10N 30/87 (2023.02); H03H 2003/0407 (2013.01);
Abstract
An acoustic wave resonator includes a support substrate, a piezoelectric layer that is disposed on the support substrate and is a rotated Y-cut X-propagation lithium tantalate of which a cut angle is within a range of greater than 50° and less than 150°, and a pair of comb-shaped electrodes disposed on the piezoelectric layer, each of the comb-shaped electrodes including a plurality of electrode fingers, an average pitch of the electrode fingers of one of the comb-shaped electrodes being equal to or greater than ½ of a thickness of the piezoelectric layer.