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:
Apr. 02, 1996
Filed:
Feb. 14, 1994
Applicant:
Inventors:
Assignee:
Alcatel Italia S.p.A., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 46 ;
Abstract
A semiconductor laser including a substrate, means for reducing the lateral current flow and means forming the active elements, wherein said means for reducing the lateral current flow are composed by at least three layers of which the external ones are entirely doped and the internal layers are doped only in the zones lateral to the active element so that these layers reduce the side current flow.