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. 05, 2006
Filed:
Jan. 15, 2004
Ji-hyuk Lim, Suwon-si, KR;
Seog-soon Baek, Suwon-si, KR;
Yong-soo OH, Seongnam-si, KR;
Keon Kuk, Yongin-si, KR;
Seung-joo Shin, Seongnam-si, KR;
Dong-kee Sohn, Seoul, KR;
Min-soo Kim, Seoul, KR;
Yong-soo Lee, Seoul, KR;
Ji-hyuk Lim, Suwon-si, KR;
Seog-soon Baek, Suwon-si, KR;
Yong-soo Oh, Seongnam-si, KR;
Keon Kuk, Yongin-si, KR;
Seung-joo Shin, Seongnam-si, KR;
Dong-kee Sohn, Seoul, KR;
Min-soo Kim, Seoul, KR;
Yong-soo Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An ink-jet printhead includes an ink chamber to be filled with ink to be ejected, a manifold, which supplies ink to the ink chamber, an ink channel, which provides communication between the ink chamber and the manifold, a nozzle through which ink is ejected from the ink chamber, first and second heaters, which heat ink in the ink chamber to generate bubbles, and a conductor, which is electrically connected to the first and second heaters and applies a current to the first and second heaters, wherein the first and second heaters are positioned symmetrically around a center of the nozzle, and one of the first and second heaters is positioned adjacent to the ink channel.