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. 24, 2018
Filed:
Dec. 18, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Makoto Kubota, Yokohama, JP;
Hidenori Tanaka, Yokohama, JP;
Takayuki Watanabe, Yokohama, JP;
Shunsuke Murakami, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); H01L 41/083 (2006.01); B41J 2/14 (2006.01); H01L 41/09 (2006.01); H02N 2/10 (2006.01); H02N 2/16 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1871 (2013.01); B41J 2/14233 (2013.01); H01L 41/083 (2013.01); H01L 41/0973 (2013.01); H02N 2/106 (2013.01); H02N 2/163 (2013.01); B41J 2202/03 (2013.01); H01L 41/0471 (2013.01); H01L 41/0477 (2013.01);
Abstract
A piezoelectric material contains a perovskite-type metal oxide represented by general formula (1) as a main component:(BaCaSn)(TiZr)O  General formula (1)(where 0.020≤x≤0.200, 0.020≤y≤0.200, 0.050<z≤0.085, 0.986≤α≤1.100).