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:
Dec. 01, 1998
Filed:
Sep. 04, 1997
Applicant:
Inventors:
Kevin J Beernink, Mountain View, CA (US);
Robert L Thornton, East Palo Alto, CA (US);
David P Bour, Cupertino, CA (US);
Thomas L Paoli, Los Altos, CA (US);
Jack Walker, Sunnyvale, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ; H01S / ;
U.S. Cl.
CPC ...
438 45 ; 438 22 ; 438 46 ; 438 47 ;
Abstract
A method for fabricating a multiple layer semiconductor device, such as a laser, using impurity-induced, or vacancy-enhanced, intermixing of semiconductor layers to selectively inactivate quantum well regions in the device.