Granted Patent
Utility
US 6,787,831 · App. 10/050,246
Barrier stack with improved barrier properties
Inventors:
Bum Ki Moon, Gerhard Beitel, Nicolas Nagel, Andreas Hilliger, Koji Yamakawa, Keitaro Imai
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Jan 15, 2002
Inventors
Bum Ki Moon
Gerhard Beitel
Nicolas Nagel
Andreas Hilliger
Koji Yamakawa
Keitaro Imai
Assignees (at issue)
Infineon Technologies AG
Kabushiki Kaisha Toshiba
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.