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. 18, 2014
Filed:
Mar. 19, 2013
Samsung Electronics Co., Ltd., Suwon-si, KR;
Young-ki Hong, Anyang-si, KR;
Sung-gyu Kang, Suwon-si, KR;
Joong-hyuk Kim, Seoul, KR;
Seung-ho Lee, Suwon-si, KR;
Jin-Seok Hong, Seoul, KR;
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Abstract
Provided is an inkjet printing device. The inkjet printing device includes a passage forming substrate having a plurality of pressure chambers and a nozzle substrate. The nozzle substrate includes a plurality of nozzle blocks extending in a first direction, a plurality of nozzles connected to the pressure chambers and penetrating the nozzle blocks, and a plurality of trenches. Each of the trenches is disposed in a second direction perpendicular to the first direction with respect to the nozzle blocks, recessed from a bottom surface of the nozzle blocks, and extends in the first direction.