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:
Aug. 07, 1990
Filed:
Jan. 31, 1989
Applicant:
Inventors:
Susumu Hinata, Itami, JP;
Yoshito Seiwa, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 50 ; 372 45 ; 372 46 ;
Abstract
A semiconductor laser array including multiple semiconductor layers serially disposed on each other to form a plurality of laser stripes that are laterally disposed within the layers each of the lasers stripes including a waveguide of a particular width wherein each of the waveguides has either a relatively wide width or a relatively narrow width and the stripes are laterally arranged with alternatingly wide and narrow waveguides.