Granted Patent
Utility
US 5,672,521 · App. 08/561,306
Method of forming multiple gate oxide thicknesses on a wafer substrate
Inventors:
Radu Barsan, Xiao-Yu Li, Sunil Mehta
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Nov 21, 1995
Inventors
Radu Barsan
Xiao-Yu Li
Sunil Mehta
Assignee (at issue)
Advanced Micro Devices, 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.