Granted Patent
Utility
US 6,171,909 · App. 09/293,434
Method for forming a stacked gate
Inventors:
Yen-Lin Ding, Gary Hong
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Apr 16, 1999
Inventors
Yen-Lin Ding
Gary Hong
Assignee (at issue)
United Semiconductor Corp.
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.