Patent · US Expired

Method of doping a semiconductor body

US3998675A · kind A · utility

2Cited by

4References

11Claims

0Family size

Assignee

Licentia Patent-Verwaltungs-GmbH · DE

Inventors

Werner Langheinrich
Max Kuisl · Ulm, DE
Anton Sturmer
Friedrich Lammel

Key dates

Filing date	Nov 11, 1975
Grant date	Dec 21, 1976
Priority date	—
Expiry date	Nov 11, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S438/945
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A method of doping a semiconductor body comprises applying to a surface of the semiconductor body a layer through which the doping material can diffuse and provide the layer with a reducing agent to reduce the doping material to its elemental form at areas where doping is not required.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.