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:
Feb. 02, 2016
Filed:
Feb. 07, 2012
Applicant:
Takashi Yamashita, Kanagawa, JP;
Inventor:
Takashi Yamashita, Kanagawa, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/72 (2006.01); H01L 41/22 (2013.01); H03H 9/64 (2006.01); H01L 41/047 (2006.01); H03H 3/08 (2006.01); H03H 9/02 (2006.01);
U.S. Cl.
CPC ...
H03H 3/08 (2013.01); H03H 9/0222 (2013.01); H03H 2250/00 (2013.01); Y10T 29/42 (2015.01);
Abstract
An acoustic wave device includes: a piezoelectric substrate; a dielectric layer formed on the piezoelectric substrate; and first and second comb-tooth electrodes formed on the dielectric layer, the dielectric layer having a first thickness between the first comb-tooth electrodes and the piezoelectric substrate and a second thickness between the second comb-tooth electrodes and the piezoelectric substrate, the first and second thicknesses being different from each other.