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:
Aug. 02, 2011
Filed:
Mar. 31, 2008
Applicants:
Jeong-min Park, Seoul, KR;
Doo-hee Jung, Seoul, KR;
Hi-kuk Lee, Yongin-si, KR;
Hyoc-min Yoon, Hwaseong-si, KR;
Ki-hyuk Koo, Hwaseong-si, KR;
Inventors:
Jeong-Min Park, Seoul, KR;
Doo-Hee Jung, Seoul, KR;
Hi-Kuk Lee, Yongin-si, KR;
Hyoc-Min Yoon, Hwaseong-si, KR;
Ki-Hyuk Koo, Hwaseong-si, KR;
Assignees:
Samsung Electronics Co., Ltd., , KR;
Dongjin Semichem Co., Ltd., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/028 (2006.01); G03F 7/038 (2006.01);
U.S. Cl.
CPC ...
Abstract
A photoresist composition comprises about 0.5 to about 20 parts by weight of a photo-acid generator, about 10 to about 70 parts by weight of a novolac resin containing a hydroxyl group, about 1 to about 40 parts by weight of a cross-linker that comprises an alkoxymethylmelamine compound, and about 10 to about 150 parts by weight of a solvent.