Granted Patent
Utility
US 5,940,702 · App. 08/563,234
Method for forming a cylindrical stacked capacitor in a semiconductor device
Inventor:
Masato Sakao
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 28, 1995
Inventor
Masato Sakao
Assignee (at issue)
NEC 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.