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:
Aug. 22, 1989
Filed:
Jan. 08, 1987
Applicant:
Inventors:
Peter D Kirchner, Garrison, NY (US);
Ronald F Marks, Ossining, NY (US);
George D Pettit, Mahopac, NY (US);
Jerry M Woodall, Bedford Hills, NY (US);
Steven L Wright, Yorktown Heights, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 16 ; 357 30 ;
Abstract
An environmental interface for a semiconductor electro-optical conversion device layer that is optically transparent, electrically conductive and chemically passivating, made of an elemental semiconductor with an indirect band gap>1 electron volt in a layer between 20 and 200 Angstroms thick. A GaAs covered by GaAlAs converter with a 100 Angstrom Si layer over the GaAlAs is illustrated.