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:
Oct. 27, 2009
Filed:
Jul. 13, 2006
Applicants:
Hong-sick Park, Suwon-si, KR;
Shi-yul Kim, Yongin-si, KR;
Jong-hyun Choung, Suwon-si, KR;
Won-suk Shin, Yongin-si, KR;
Inventors:
Hong-sick Park, Suwon-si, KR;
Shi-yul Kim, Yongin-si, KR;
Jong-hyun Choung, Suwon-si, KR;
Won-suk Shin, Yongin-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/302 (2006.01); H01L 21/461 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are an etchant used for a transparent conductive oxide layer and a method for fabricating a liquid crystal display (LCD) using the etchant. The etchant includes 2-5 wt % sulfuric acid, 0.02-10 wt % hydrogen sulfate of alkali metal, and deionized water as the remainder.