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:
May. 11, 1993
Filed:
Feb. 07, 1992
Applicant:
Inventors:
Tunenobu Kimoto, Itami, JP;
Tadashi Tomikawa, Itami, JP;
Shoji Nakagama, Itami, JP;
Masayuki Ishii, Itami, JP;
Nobuhiko Fujita, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 77 ; 257607 ; 257742 ; 257761 ; 257765 ; 257766 ; 257769 ; 257777 ;
Abstract
In an ohmic contact electrode for the p-type semiconductor diamond, the electrode is formed of metals or metallic compounds containing boron on a p-type semiconductor diamond, so as to obtain a decreased contact resistance.