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, 2019
Filed:
Jan. 20, 2016
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Zhizhang Chen, Corvallis, OR (US);
Mohammed Shaarawi, Corvallis, OR (US);
Brian Bolf, Corvallis, OR (US);
Paul Krause, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01); B41J 2/175 (2006.01); B41J 2/14 (2006.01); B41J 2/335 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17503 (2013.01); B41J 2/14129 (2013.01); B41J 2/1603 (2013.01); B41J 2/1642 (2013.01); B41J 2/175 (2013.01); B41J 2/33525 (2013.01); B41J 2202/03 (2013.01);
Abstract
Energy efficient printheads are disclosed. An example printhead includes a substrate with channels to direct ink toward a plurality of nozzles of the printhead. The example printhead further includes a passivation layer on the substrate. The passivation layer includes a first thin film of a first dielectric material formed using atomic layer deposition.