Granted Patent
Utility
US 6,808,988 · App. 09/019,409
Method for forming isolation in flash memory wafer
Inventors:
Hung-Sheng Chen, Yowjuang W. Liu
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 5, 1998
Inventors
Hung-Sheng Chen
Yowjuang W. Liu
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.