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:
Apr. 27, 1976
Filed:
Aug. 12, 1974
Applicant:
Inventors:
Assignee:
LICENTIA-Patent-Verwaltungs-GmbH, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
148-15 ; 148 33 ; 148186 ; 357 91 ;
Abstract
A method of setting the lifetime of charge carriers in a semiconductor body by the formation of recombination centers in the semiconductor body. The quantity of the recombination centers forming material necessary to provide the desired concentration in the semiconductor body is applied to the surface of the semiconductor body and into the surface thereof by ion implantation, and thereafter, in order to diffuse the material into the semiconductor body, the body is heated until an approximately stationary value for the charge carrier lifetime has developed in the entire volume of the body.