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:
Oct. 27, 2009
Filed:
Apr. 19, 2006
Jae-sik Min, Suwon-si, KR;
Byung-ha Park, Suwon-si, KR;
Kyong-il Kim, Seoul, KR;
Young-ung Ha, Suwon-si, KR;
Jae-sik Min, Suwon-si, KR;
Byung-ha Park, Suwon-si, KR;
Kyong-il Kim, Seoul, KR;
Young-ung Ha, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An inkjet printhead and a method of manufacturing the same. In the inkjet printhead, a substrate includes an ink chamber formed in a top surface to contain ink to be ejected, an ink feedhole formed in a bottom surface to supply the ink to the ink chamber, and a restrictor formed between the ink chamber and the ink feedhole to connect the ink chamber and the ink feedhole. A plurality of passivation layers are formed on the substrate. A heater and a conductor to apply a current to the heater are formed between the passivation layers. A heat transfer layer is formed on the passivation layers in a predetermined shape. An epoxy nozzle layer is formed to cover the passivation layers and the heat transfer layer. The epoxy nozzle layer is formed with a nozzle that is connected to the ink chamber.