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:
Mar. 10, 1981
Filed:
Dec. 13, 1978
Applicant:
Inventors:
Kunio Itoh, Takatsuki, JP;
Morio Inoue, Takatsuki, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 18 ; 357 16 ; 357 22 ; 357 55 ; 331 / ;
Abstract
A semiconductor laser is made by sequential liquid-phase epitaxial growths on an n-type GaAs substrate, thereby sequentially forming