Granted Patent
Utility
US 6,479,852 · App. 09/983,681
Memory cell having a deep trench capacitor and a vertical channel
Inventor:
Joseph Wu
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 25, 2001
Inventor
Joseph Wu
Assignee (at issue)
Promos Technologies, 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.