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. 07, 2014
Filed:
Feb. 28, 2013
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Youming Li, San Jose, CA (US);
Yoshikazu Hishinuma, Kanagawa-ken, JP;
Jeffrey Birkmeyer, San Jose, CA (US);
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/45 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/045 (2013.01);
Abstract
An inkjet device includes a pumping chamber bounded by a wall, a piezoelectric layer disposed above the pumping chamber, a ring electrode having an annular lower portion disposed on the piezoelectric layer. A moisture barrier layer covers a remainder of the piezoelectric layer over the pumping chamber that is not covered by the annular lower portion of the ring electrode.