Granted Patent
Utility
US 5,420,454 · App. 08/269,992
Selective epitaxial silicon for intrinsic-extrinsic base link
Inventors:
Dietrich W. Vook, Hsin-Han WANG
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Jul 1, 1994
Inventors
Dietrich W. Vook
Hsin-Han WANG
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.