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. 27, 2012
Filed:
Oct. 12, 2010
Bradley D. Chung, Corvallis, OR (US);
Bhavin Shah, Corvallis, OR (US);
Anthony M. Fuller, Corvallis, OR (US);
Ozgur Yildirim, Corvallis, OR (US);
Garrett E. Clark, Corvallis, OR (US);
Bradley D. Chung, Corvallis, OR (US);
Bhavin Shah, Corvallis, OR (US);
Anthony M. Fuller, Corvallis, OR (US);
Ozgur Yildirim, Corvallis, OR (US);
Garrett E. Clark, Corvallis, OR (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A heating element of a fluid ejection device includes an insulative layer, a resistor portion interposed between and spaced apart from a pair of conductive portions, and an upper structure defining a fluid chamber above the resistor portion. The insulative layer defines a shoulder portion adjacent a side edge of the resistor portion, the shoulder portion vertically spaced below a top surface of the resistor portion by a distance of no more than twice a thickness of the resistor portion.