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:
Dec. 05, 2000
Filed:
Mar. 04, 1997
Domingo A Figueredo, Livermore, CA (US);
Gregory T Hindman, Albany, OR (US);
Brian J Keefe, La Jolla, CA (US);
Ali Emamjomeh, San Diego, CA (US);
Roger J Kolodziej, Corvallis, OR (US);
Grant Allen Webster, Valley Center, CA (US);
Terri I Chapman, Escondido, CA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A thermal ink jet printhead that includes an adhesion interface between a silicon carbide layer of a thin film substrate and a polymer ink barrier layer in the vicinity of ink chambers formed in the polymer ink barrier layer, and an adhesion interface between a silicon carbide layer disposed on the ink barrier layer and an orifice plate. An intervening adhesion promoter can be located between the silicon carbide layer of the thin film substrate and the polymer ink barrier layer, and between the silicon carbide layer disposed on the ink barrier layer and the orifice plate.