Granted Patent
Utility
US 5,838,035 · App. 08/896,508
Barrier layer for ferroelectric capacitor integrated on silicon
Inventor:
Ramamoorthy Ramesh
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jun 10, 1997
Inventor
Ramamoorthy Ramesh
Assignee (at issue)
Bell Communications Research, 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.