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. 10, 2002
Filed:
Aug. 30, 1999
Todd A. Cleland, Corvallis, OR (US);
Robert C. Maze, Corvallis, OR (US);
Michael D. Miller, Shedd, OR (US);
Rama Prasad, Albany, OR (US);
Robert N. K. Browning, Corvallis, OR (US);
Dale R. Oughton, Albany, OR (US);
Joseph M. Torgerson, Philomath, OR (US);
Kenneth D. Saul, Philomath, OR (US);
Michael B. Hager, Corvallis, OR (US);
Douglas M. Collins, Corvallis, OR (US);
Leslie A. Field, Portola Valley, CA (US);
Storrs T. Hoen, Brisbane, CA (US);
Phillip W. Barth, Portola Valley, CA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A high quality inkjet printhead includes a substrate having a multiplicity of heater resistors formed thereon at a density of at least six heater resistors per square millimeter. Each of the heater resistors also has a total resistance of at least 70 &OHgr; and an overlaying passivation thermal barrier characteristic adjusted to enable ejection of an ink drop of less than 6.5 ng with an energy impulse equal to or less than 1.4 &mgr;joules.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile