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:
Jan. 11, 2005
Filed:
Jul. 10, 2002
Applicants:
Patrick J. Mccann, Norman, OK (US);
Xiao-ming Fang, Macungie, PA (US);
Inventors:
Patrick J. McCann, Norman, OK (US);
Xiao-Ming Fang, Macungie, PA (US);
Assignee:
McCann & Associates, Inc., Norman, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 3300 ;
U.S. Cl.
CPC ...
Abstract
A method for generating mid-infrared light by maintaining multiple quantum well (MQW) structures based on the alloy systems PbSrZ and PbSnZ, where Z is S, Se, or Te, at temperatures in the range of from about 5° C. to about 55° C. and pumping the MQW structures with a shorter wavelength laser pump beam or with an electrical current is provided.