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:
Apr. 22, 2008
Filed:
Apr. 19, 2004
Applicants:
Chan Hwang, Seoul, KR;
In-sung Kim, Suwon, KR;
Young-seog Kang, Yongin, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A photomask includes a transparent substrate, and a plurality of light-shielding patterns repeatedly aligned on the transparent substrate in two dimensions. Each of the light-shielding patterns has length and width measurements that differ from each other. Further, the photomask includes at least one through hole penetrating a portion of each of the light-shielding patterns to expose the transparent substrate.