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. 03, 1991
Filed:
Oct. 25, 1989
Applicant:
Inventors:
Kazuo Hayashi, Itami, JP;
Takuji Sonoda, Itami, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437175 ; 437177 ; 437176 ; 437197 ; 437196 ; 437912 ; 437911 ; 437957 ; 148D / ; 148D / ; 148D / ;
Abstract
A semiconductor device includes a semiconductor body and a metal contact forming a Schottky barrier with said body, the metal contact including a layer of nickel disposed on the semiconductor body, an aluminum layer disposed on the nickel layer, and a nickel aluminum alloy disposed at the interface of the layers. The alloy is formed by heating the metal layers.