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:
Nov. 19, 2013
Filed:
Oct. 24, 2012
Applicant:
Eiichi Ohta, Atsugi, JP;
Inventor:
Eiichi Ohta, Atsugi, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thin-film actuator that deforms a diaphragm to generate force includes a lower electrode disposed on the diaphragm, a first piezoelectric layer disposed on the lower electrode, an intermediate electrode disposed on the first piezoelectric layer, a second piezoelectric layer disposed on the intermediate electrode, and an upper electrode disposed on the second piezoelectric layer.