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. 08, 2009
Filed:
Aug. 10, 2006
Nam-kyun Kim, Seongnam-si, KR;
Jae-sik Min, Suwon-si, KR;
Eun-bong Han, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A thermal inkjet printhead includes a substrate, an insulation layer formed on the substrate, a heater formed on the insulation layer, a conductor formed on the heater to supply a current to the heater, a chamber layer stacked on the insulation layer having the heater and the conductor therebetween, and having an ink chamber to be filled with ink to be ejected formed therein; a nozzle layer stacked on the chamber layer and having a nozzle through which the ink in the ink chamber is to be ejected, and a plurality of thermal plugs formed in a lower portion of the insulation layer to contact the insulation layer and the substrate and to dissipate heat generated by the heater toward the substrate.