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. 08, 2013
Filed:
Aug. 20, 2009
Applicants:
Yong-won Jeong, Seoul, KR;
Yong-seop Yoon, Seoul, KR;
Moon-chul Lee, Seongnam-si, KR;
Dong-sik Shim, Suwon-si, KR;
Jong-seok Kim, Hwaseong-si, KR;
Inventors:
Yong-won Jeong, Seoul, KR;
Yong-seop Yoon, Seoul, KR;
Moon-chul Lee, Seongnam-si, KR;
Dong-sik Shim, Suwon-si, KR;
Jong-seok Kim, Hwaseong-si, KR;
Assignee:
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B44C 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink feedhole of an inkjet printhead and a method of forming the same includes an ink feedhole that penetrates a substrate and has a width that narrows in an upper direction of the substrate, wherein at least one internal wall of the ink feedhole has a plurality of steps and inclines with respect to a surface of the substrate.