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:
Jun. 08, 1982
Filed:
May. 13, 1980
Applicant:
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 47 ; 357 17 ;
Abstract
A p type GaAlAs layer is disposed on an n type substrate and then n type GaAlAs, GaAs and GaAlAs layers are successively grown on the p type GaAlAs layer. Zn is diffused into predetermined portions of those n type layers to a depth reaching the GaAlAs layer to form pn junctions between the original n type regions of the layers and their regions converted to the p form the n type conductivity. The pn junction formed in the GaAs layer serves as a light emitting region.