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:
Dec. 28, 1993
Filed:
Jul. 28, 1992
Applicant:
Inventor:
Satoshi Hikida, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 31 ; 437 26 ; 437 74 ; 437 76 ; 437154 ;
Abstract
A method for manufacturing a semiconductor device including forming an epitaxial layer on a second conductive silicon substrate selectively provided with a first conductive impurity diffusion layer and diffusing a second impurity through surface of the epitaxial layer to form islands of the epitaxial layer, the above epitaxial layer having a higher specific resistance than that of the silicon substrate.