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:
Oct. 15, 1991
Filed:
Oct. 23, 1990
Applicant:
Inventors:
Katsuhito Yoshida, Hyogo, JP;
Kazuwo Tsuji, Hyogo, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437184 ; 437189 ; 437192 ; 148D / ;
Abstract
A process for producing an ohmic electrode for p-type cBN is disclosed, which process comprises the steps of: providing a thin alloy film composed of Au and Be, the weight ratio of Be being from 0.1 to 15% by weight, on p-type cBN; providing a thin film of a metal selected from Ni, Cr, Mo, and Pt on the thin alloy film; and subjecting the p-type cBN having the films thus provided to a heat-treatment in an inert gas or in vacuo at a temperature of from 350.degree. C. to 600.degree. C.
Yoshida, Katsuhito. (1991). Process for producing ohmic electrode for p-type cubic system boron (U.S. Patent No. 5057454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5057454
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile