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:
Dec. 29, 2015
Filed:
Jun. 29, 2011
Applicants:
Tony S. Cruz-uribe, Independence, OR (US);
Joseph E. Scheffelin, Poway, CA (US);
Tsuyoshi Yamashita, Corvallis, OR (US);
Silam J. Choy, Corvallis, OR (US);
Inventors:
Tony S. Cruz-Uribe, Independence, OR (US);
Joseph E. Scheffelin, Poway, CA (US);
Tsuyoshi Yamashita, Corvallis, OR (US);
Silam J. Choy, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/175 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/045 (2013.01); B41J 2/14233 (2013.01); B41J 2202/11 (2013.01); B41J 2202/12 (2013.01); B41J 2202/20 (2013.01);
Abstract
A piezoelectric inkjet die stack includes a circuit die stacked on a substrate die, a piezoelectric actuator die stacked on the circuit die, and a cap die stacked on the piezoelectric actuator die. Each die in succession from the circuit die to the cap die is narrower than the previous die.