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:
Jul. 09, 2019
Filed:
Feb. 14, 2018
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Jeffrey A. Nielsen, Corvallis, OR (US);
Craig Olbrich, Corvallis, OR (US);
Richard W. Seaver, Corvallis, OR (US);
David R. Otis, Jr., Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1404 (2013.01); B41J 2/14 (2013.01); B41J 2/14201 (2013.01); B41J 2/16 (2013.01); B41J 2/1603 (2013.01); B41J 2/1607 (2013.01); B41J 2/1626 (2013.01); B41J 2/1631 (2013.01); B41J 2/1639 (2013.01); B41J 2/1645 (2013.01); B41J 2202/11 (2013.01);
Abstract
An inkjet material dispenser system includes a printhead member. According to one exemplary embodiment, the printhead member includes at least one drop ejector including an insulating stack layer and a top orifice surface defining an orifice, wherein a ratio of a diameter of the orifice to a height of the insulating stack layer (O/L ratio) is at least 1.0.