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. 05, 2013
Filed:
Apr. 30, 2009
Alfred I-tsung Pan, Sunnyvale, CA (US);
Erik D. Torniainen, Albany, OR (US);
Alfred I-Tsung Pan, Sunnyvale, CA (US);
Erik D. Torniainen, Albany, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A printhead () for use in an inkjet printing process includes a substrate () having at least one ink feed opening () defined therein, an ink chamber () in operative and fluid communication with the ink feed opening(s) (), and a nozzle plate () disposed on a portion (P) of the substrate (). The nozzle plate () has a plurality of orifices () defined therein. The printhead () further includes a firing resistor () disposed on another portion (P) of the substrate () and proximate to the ink feed opening(s) () and a barrier structure () disposed on the other portion (P) of the substrate () and positioned adjacent to the firing resistor ().