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. 30, 1990
Filed:
Aug. 18, 1987
Applicant:
Inventors:
Akira Suzuki, Nara, JP;
Katsuki Furukawa, Sakai, JP;
Akitsugu Hatano, Tenri, JP;
Atsuko Uemoto, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 71 ; 357-2 ; 357 61 ;
Abstract
The semiconductor device comprises a silicon substrate, a boron-doped high resistant silicon carbide layer that is formed on the silicon substrate and a silicon carbide layer formed on the high resistant silicon carbide layer. The silicon carbide layer that is formed on the high resistant silicon carbide layer provides an electrical insulation for the device so that improved device characteristics are obtained.