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:
Oct. 29, 2013
Filed:
Jan. 03, 2011
Applicants:
Tomokazu Kobayashi, Shiojiri, JP;
Masahisa Nawano, Suwa, JP;
Inventors:
Tomokazu Kobayashi, Shiojiri, JP;
Masahisa Nawano, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); H01L 41/00 (2013.01); H01L 41/18 (2006.01); H01L 41/187 (2006.01); H02N 2/00 (2006.01); C04B 35/495 (2006.01); C04B 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piezoelectric element comprising a first electrode, a piezoelectric layer containing bismuth lanthanum iron and manganese formed above the first electrode, and a second electrode formed above the piezoelectric layer. The piezoelectric layer contains crystals preferentially oriented in a (111) plane.