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. 21, 2015
Filed:
Mar. 06, 2013
Applicant:
Taiyo Yuden Co., Ltd., Taito-ku, Tokyo, JP;
Inventors:
Tsuyoshi Yokoyama, Takasaki, JP;
Yoshiki Iwazaki, Takasaki, JP;
Tokihiro Nishihara, Takasaki, JP;
Yosuke Onda, Takasaki, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/18 (2006.01); H01L 41/08 (2006.01); H03H 9/54 (2006.01); H03H 9/02 (2006.01); H03H 9/17 (2006.01); H03H 9/58 (2006.01); H01L 41/187 (2006.01);
U.S. Cl.
CPC ...
H01L 41/0805 (2013.01); H03H 9/02015 (2013.01); H03H 9/173 (2013.01); H03H 9/54 (2013.01); H01L 41/187 (2013.01); H03H 9/0222 (2013.01); H03H 9/02102 (2013.01); H03H 9/02228 (2013.01); H03H 9/174 (2013.01); H03H 9/175 (2013.01); H03H 9/584 (2013.01);
Abstract
An acoustic wave device includes: a piezoelectric film made of an aluminum nitride film containing a divalent element and a tetravalent element, or a divalent element and a pentavalent element; and an electrode that excites an acoustic wave propagating through the piezoelectric film.