Granted Patent
Utility
US 5,393,993 · App. 08/166,229
Buffer structure between silicon carbide and gallium nitride and resulting semiconductor devices
Inventors:
John Edmond, Vladimir A. Dmitriev, Kenneth George Irvine
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Dec 13, 1993
Inventors
John Edmond
Vladimir A. Dmitriev
Kenneth George Irvine
Assignee (at issue)
Cree Research Inc.
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.