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:
May. 01, 2001
Filed:
Jul. 07, 1999
Applicant:
Inventors:
Jae-Jong Han, Seoul, KR;
Doo-Hyun Hwang, Yongin, KR;
Byung-Kee Kim, Yongin, KR;
Beung-Keun Lee, Kyungki-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/1265 ;
U.S. Cl.
CPC ...
H01L 2/1265 ;
Abstract
The triple-well according to the present invention reduces a photo process forming a well isolation region which is used in a method for forming a prior well. That is, two times of photo processes are reduced to be one time, thereby simplifying a method for forming a triple-well of the DRAM device and reducing time and expenditure.