Granted Patent
Utility
US 5,523,595 · App. 08/238,802
Semiconductor device having a transistor, a ferroelectric capacitor and a hydrogen barrier film
Inventors:
Kazuhiro Takenaka, Akira Fujisawa
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: May 6, 1994
Inventors
Kazuhiro Takenaka
Akira Fujisawa
Assignee (at issue)
RAMTRON INTERNATIONAL CORPORATION
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.