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:
Sep. 07, 2004
Filed:
Sep. 28, 2001
Applicant:
Inventors:
Dennis W. Tom, Corvallis, OR (US);
Juan J. Hernandez, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 ;
U.S. Cl.
CPC ...
B41J 2/16 ;
Abstract
A method of coupling a barrier layer to a substrate of a fluid ejection device includes disposing a mechanical intercoupling structure on a substrate at least one fluid ejector thereon; disposing a chamber layer over said substrate, wherein side walls of an ejection chamber are defined by the chamber layer; and substantially embedding said mechanical intercoupling structure with the chamber layer.