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. 19, 1994
Filed:
Dec. 16, 1992
Applicant:
Inventors:
Arsam Antreasyan, Hopewell Junction, NY (US);
Myra N Boenke, Hopewell Junction, NY (US);
Greg Costrini, Austin, TX (US);
Kurt R Grebe, Beacon, NY (US);
Christoph Harder, Zurich, CH;
Peter D Hoh, Hopewell Junction, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 43 ; 372 45 ; 372 46 ;
Abstract
A protection configuration for a semiconductor ridge waveguide laser structure is disclosed wherein layers of protective metal in the form of walls, is applied on each side of the ridge element of the ridged layer of the laser structure. The laser structure is then bonded to a mounting plate in a junction side down orientation by solder or a junction side up orientation by wire bonding. The metal layer may be composed of gold.