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:
Jan. 14, 1992
Filed:
Jul. 02, 1990
Applicant:
Inventors:
Claude Weisbuch, Paris, FR;
Julien Nagle, Paris, FR;
Assignee:
Thomson-CSF, Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 45 ;
Abstract
The quantum well semiconductor laser has at least one ultrafine layer with a thickness smaller than the critical thickness, the material of which is isoelectronic with that of the well.