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:
Feb. 26, 2002
Filed:
Feb. 23, 2001
Karen Wytmans Waggoner, Carlsbad, CA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
An ink jet printhead that includes a thin film substructure having heater resistors formed therein, an ink barrier layer disposed one the thin film substructure, a plurality of ink chambers formed in said ink barrier, a plurality of ink channels respectively fluidically connected to the ink chambers and opening towards an ink feed edge, a plurality of elongated angled barrier islands extending from the feed edge into respective ink channels, and a plurality of non-elongated barrier islands alternatingly located with the non-linear elongated barrier island along the ink feed edge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile