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. 27, 1976
Filed:
Feb. 07, 1975
Applicant:
Inventors:
Frits Landheer, Eindhoven, NL;
Hermanus Josephus Wilting, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 15 ; 357 16 ; 357 23 ; 427 84 ;
Abstract
A semiconductor device having a Schottky junction formed by providing a semiconductor body at least two metal layers one on top of the other which can each form a Schottky barrier with the semiconductor, in which, according to the invention, the formed Schottky diode has a higher barrier than each of the metals individually relative to the semiconductor, by heating the assembly above 400.degree.C. Preferably nickel or cobalt is first provided and thereon aluminum, and heating is carried out at 500.degree.C.