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:
Dec. 03, 2019
Filed:
Dec. 15, 2016
Applicant:
Kctech Co., Ltd., Anseong-si, KR;
Inventors:
Jang Kuk Kwon, Anseong-si, KR;
Sung Pyo Lee, Anseong-si, KR;
Chang Gil Kwon, Namyangju-si, KR;
Jun Ha Hwang, Pyeongtaek-si, KR;
Assignee:
KCTECH CO., LTD., Anseong-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); H01L 21/304 (2006.01); H01L 21/3105 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); H01L 21/31053 (2013.01);
Abstract
An additive composition and a positive polishing slurry composition including the additive composition are provided. The additive composition includes a cationic compound, an organic acid, a nonionic compound, and a pH adjuster.