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:
Jan. 24, 2012
Filed:
Sep. 14, 2006
Applicants:
You-seop Lee, Yongin-si, KR;
Jong-min Kim, Suwon-si, KR;
Jae-woo Chung, Yongin-si, KR;
Inventors:
Assignee:
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inkjet printhead includes an ink flow channel including a pressure chamber, a nozzle to communicate with the pressure chamber, an actuator to provide a driving force to eject ink from the pressure chamber, and a plurality of electrodes, a lower voltage is applied to an electrode closer to the nozzle as compared to an electrode farther from the nozzle to form a non-uniform electric field in the ink flow channel, and a method of removing bubbles in the inkjet printhead.