Granted Patent
Utility
US 5,885,879 · App. 08/822,941
Thin polysilicon masking technique for improved lithography control
Inventors:
Mark I. Gardner, Fred N. Hause
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Mar 21, 1997
Inventors
Mark I. Gardner
Fred N. Hause
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.