Granted Patent
Utility
US 6,440,764 · App. 09/718,962
Enhancement of carrier concentration in As-containing contact layers
Inventors:
Marlin Focht, Ronald Eugene Leibenguth, Claude Reynolds
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 22, 2000
Inventors
Marlin Focht
Ronald Eugene Leibenguth
Claude Reynolds
Assignee (at issue)
Agere Systems Guardian Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.