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:
May. 24, 2005
Filed:
Oct. 31, 2002
Julie JO Cox, Albany, OR (US);
Jeremy H Donaldson, Corvallis, OR (US);
Jules G. Moritz, Iii, Corvallis, OR (US);
Julie Jo Cox, Albany, OR (US);
Jeremy H Donaldson, Corvallis, OR (US);
Jules G. Moritz, III, Corvallis, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A fluid ejection device comprising a substrate having a first surface, and a fluid ejector formed over the first surface. A top layer is also formed over the first surface of the substrate and defines a chamber about the fluid ejector. The top layer also defines a fluid channel that directs fluid into the chamber. In one embodiment, a barrier feature is positioned within the fluid channel, and has a height that is less than the height of the fluid channel.