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. 08, 1984
Filed:
Mar. 05, 1981
Applicant:
Inventors:
Kenji Maeguchi, Yokohama, JP;
Hiroyuki Tango, Yokohama, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 23 ; 357 41 ; 357 42 ; 357 49 ; 357 51 ; 357-4 ;
Abstract
A semiconductor device having silicon-on-sapphire structure in which a pn junction element is formed in a silicon substrate disposed on a sapphire plate. An oxide layer is formed in the surface area of the p-type region which serves to form the pn junction elements.