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:
Aug. 07, 1990
Filed:
May. 12, 1989
Hilarion Braun, Xenia, OH (US);
Michael F Baumer, Dayton, OH (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
An improved heater/electrode construction for a bubble jet print head of the kind having discrete ink heater elements formed of electrically resistive material and a plurality of address electrode pairs formed of electrically conductive material and electrically contacting opposing edge regions of respective heater elements. The heater element resistance increases from its center outward and the electrode ends are spaced from the bubble formation region to provide, in a drop ejection condition, a flat slope temperature profile along the current flow path through the bubble formation zone.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile