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:
Feb. 10, 2009
Filed:
Feb. 28, 2006
Hoon Song, Seoul, KR;
Yong-soo OH, Seongnam, KR;
Jun-hyub Park, Seongnam, KR;
Keon Kuk, Yongin, KR;
Chang-seung Lee, Seongnam, KR;
Young-jae Kim, Anyang, KR;
Ji-hyuk Lim, Suwon, KR;
Hoon Song, Seoul, KR;
Yong-soo Oh, Seongnam, KR;
Jun-hyub Park, Seongnam, KR;
Keon Kuk, Yongin, KR;
Chang-seung Lee, Seongnam, KR;
Young-jae Kim, Anyang, KR;
Ji-hyuk Lim, Suwon, KR;
Samsung Electronics Co., Ltd., Suwon, Kyungi-do, KR;
Abstract
A monolithic ink-jet printhead includes a substrate having a lower ink chamber formed on an upper surface thereof, a manifold for supplying ink to the lower ink chamber formed on a bottom surface thereof, and an ink channel providing communication therebetween; a nozzle plate having a plurality of passivation layers and a metal layer sequentially stacked on the substrate, the nozzle plate having an upper ink chamber formed therein on a bottom surface of the metal layer, a nozzle in communication with the upper ink chamber formed on an upper surface of the metal layer, and a connection hole providing communication between the upper ink chamber and the lower ink chamber; a heater located between the upper ink chamber and the lower ink chamber for heating ink contained in the lower and upper ink chambers; and a conductor electrically connected to the heater to apply a current to the heater.