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:
Jul. 20, 1993
Filed:
Sep. 25, 1991
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 / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 77 ; 257280 ; 257472 ; 257509 ; 257744 ;
Abstract
The semiconductor device somprises a silicon substrate, a boron-doped high resistant silicon carbide layer formed on said silicon substrate and a silicon carbide layer formed on said high resistant silicon carbide layer.