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. 03, 2005
Filed:
Apr. 17, 2003
Applicant:
Parvez N. Uppal, Laurel, MD (US);
Inventor:
Parvez N. Uppal, Laurel, MD (US);
Assignee:
Bae Systems Information and Electronic Systems Integration INC, Nashua, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L031/072 ;
U.S. Cl.
CPC ...
Abstract
GaAs substrates with compositionally graded buffer layers for matching lattice constants with high-Indium semiconductor materials such as quantum well infrared photoconductor devices and thermo photo voltaic devices are disclosed.