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:
Sep. 02, 2003
Filed:
Mar. 09, 2001
Applicant:
Inventors:
Hyung-Soo Uh, Seoul, KR;
Kyu-Hynn Lee, Kyunggi-do, KR;
Tae-Young Chung, Kyunggi-do, KR;
Ki-Nam Kim, Kyunggi-do, KR;
Yoo-Sang Hwang, Kyunggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/1338 ;
U.S. Cl.
CPC ...
H01L 2/1338 ;
Abstract
Self-aligned contacts in integrated circuits can be formed on an integrated circuit substrate having an active region. A groove can be formed in the insulating layer and a conductive material can be formed in the groove to a level that is recessed in the groove. An insulating material can be formed in the groove on the conductive material that has an etch selectivity with respect to the insulating layer. A contact that is self-aligned to the active region can be then be formed.