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:
Nov. 06, 2012
Filed:
Oct. 01, 2009
Applicants:
Byung-ha Park, Suwon-si, KR;
Sung-jun Park, Hwaseong-si, KR;
Young-ung Ha, Suwon-si, KR;
Woo-sung Jeon, Suwon-si, KR;
Inventors:
Byung-ha Park, Suwon-si, KR;
Sung-jun Park, Hwaseong-si, KR;
Young-ung Ha, Suwon-si, KR;
Woo-sung Jeon, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inkjet printhead to prevent clogging of nozzles and spreading of ink during ejection, and a method of manufacturing the inkjet printhead. The inkjet printhead includes a substrate, a substrate, a passage forming layer formed on the substrate, and a nozzle layer formed on the passage forming layer and including a material including an epoxy group or a hydroxyl group, wherein the epoxy group or the hydroxyl group is protected by an alcohol-protecting group.