Granted Patent
Utility
US 5,977,601 · App. 09/118,377
Method for etching memory gate stack using thin resist layer
Inventors:
Wenge Yang, Lewis Shen
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jul 17, 1998
Inventors
Wenge Yang
Lewis Shen
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.