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:
Jul. 16, 2013
Filed:
Jun. 17, 2010
Applicants:
Sung-gyu Kang, Yongin-si, KR;
Jae-woo Chung, Yongin-si, KR;
Young-ki Hong, Yongin-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); C23F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a nozzle plate and methods of manufacturing the nozzle plate. The nozzle plate may include a substrate having a nozzle. The nozzle plate may also include a permittivity reducing area in an upper portion of the substrate around the nozzle, wherein the permittivity reducing area includes a plurality of porosities and a plurality of walls between the plurality of porosities. Additionally, the nozzle plate may include a protection layer on the substrate, wherein the protection layer covers the plurality of porosities and the plurality of walls.