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:
Dec. 25, 2007
Filed:
Dec. 30, 2004
Applicant:
Jae Won Han, Bucheon, KR;
Inventor:
Jae Won Han, Bucheon, KR;
Assignee:
Dongbu Electronics Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/4763 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of forming a barrier metal in a semiconductor device. The present invention includes forming an insulating layer on a substrate having a lower metal line formed thereon, forming an opening exposing the lower metal line through the insulating layer, and forming a barrier metal layer on a sidewall of the opening and the insulating layer except the lower metal line by applying a positive voltage to the substrate.