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, 2003
Filed:
Mar. 06, 2001
Applicant:
Inventors:
Scott G. Meikle, Boise, ID (US);
Sung Kim, Pflugerville, TX (US);
Assignee:
Micron Technology, Inc., Boise, ID (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/348 ;
U.S. Cl.
CPC ...
H01L 2/348 ;
Abstract
A semiconductor device having a contact layer and a diffusion barrier layer is fabricated by preparing a semiconductor substrate, forming a layer of titanium/aluminum alloy on the surface of the substrate, and then heating the resultant structure in a nitrogen ambient to form a contact layer of titanium silicide interposed between the substrate and a diffusion barrier layer consisting of titanium/aluminum/nitride.