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:
Jun. 07, 2011
Filed:
Dec. 07, 2006
Applicant:
Dong-seok Nam, Seoul, KR;
Inventor:
Dong-Seok Nam, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 27/44 (2006.01); G03B 27/42 (2006.01); G03B 27/54 (2006.01); G03B 27/62 (2006.01); G03B 27/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
Example embodiments of the present invention may provide exposure equipment having an auxiliary photo mask. The exposure equipment may include a light source and a first photo mask spaced apart from the light source by a desired distance. A second photo mask may include a third region and a fourth region. An exposure method using the exposure equipment also may be provided.