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:
May. 18, 1993
Filed:
Feb. 18, 1992
Applicant:
Inventors:
Keith B Kahen, Rochester, NY (US);
Frank T Smith, Pittsford, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 46 ; 372 45 ;
Abstract
An AlGaAs-based semiconductor laser diode is disclosed which has a Zn-stop diffusion layer of p-type conductivity deposited on the active layer, having an Al content greater than 85%.
Kahen, Keith. (1993). Alas zn-stop diffusion layer in algaas laser diodes (U.S. Patent No. 5212705). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5212705
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile