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:
Mar. 04, 2003
Filed:
Apr. 30, 2002
Applicant:
Inventors:
Manish Giri, Corvallis, OR (US);
Philip H. Harding, Albany, OR (US);
Mark Sanders Taylor, Monmouth, OR (US);
Jeffrey S. Hess, Corvallis, OR (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/135 ; B41J 2/05 ;
U.S. Cl.
CPC ...
B41J 2/135 ; B41J 2/05 ;
Abstract
In one embodiment, a fluid ejection device comprises a substrate having a first surface, and a fluid slot in the first surface. The device further comprises a fluid ejector formed over the first surface of the substrate, and a chamber layer formed over the first surface of the substrate. The chamber layer defines a chamber about the fluid ejector, wherein fluid flows from the fluid slot towards the to be ejected therefrom. The chamber layer has a discontinuity, wherein the discontinuity is positioned over the fluid slot.