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:
Jan. 11, 1994
Filed:
Nov. 16, 1992
Applicant:
Inventor:
Takeo Maeda, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437192 ; 437190 ; 437194 ; 437200 ; 437203 ;
Abstract
A semiconductor device of the invention has a p.sup.+ -type silicon source region, an insulating film formed on the source region and having a contact hole, and a wiring electrode connected to the source region through the contact hole. The wiring electrode has a Ti layer formed on the insulating film and an exposed surface of the source region, a TiN layer formed on the Ti layer, and an Al layer formed on the TiN layer.