Granted Patent
Utility
US 5,776,814 · App. 08/775,360
Process for doping two levels of a double poly bipolar transistor after formation of second poly layer
Inventor:
James D. Beasom
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jan 3, 1997
Inventor
James D. Beasom
Assignee (at issue)
HARRIS 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.