Granted Patent
Utility
US 5,043,780 · App. 07/460,453
DRAM cell having a texturized polysilicon lower capacitor plate for increased capacitance
Inventors:
Pierre C. Fazan, Ruojia Lee
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jan 3, 1990
Inventors
Pierre C. Fazan
Ruojia Lee
Assignee (at issue)
Micron Technology, 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.