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:
Nov. 16, 1993
Filed:
Jun. 22, 1992
Applicant:
Inventor:
Toshiro Hayakawa, Yokohama, JP;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 45 ; 257 18 ;
Abstract
A strained quantum well laser diode in which higher reliability is achieved by reducing the degrading effects of stress. By using an active layer orientation that is equal or close to (111), it is possible to suppress degradation caused by stress, which acts in a direction parallel to the quantum well layer.