Granted Patent
Utility
US 6,703,274 · App. 10/336,988
Buried strap with limited outdiffusion and vertical transistor DRAM
Inventors:
Dureseti Chidambarrao, Ramachandra Divakaruni, Jack A. Mandelman, Raymond Van Roijen
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jan 3, 2003
Inventors
Dureseti Chidambarrao
Ramachandra Divakaruni
Jack A. Mandelman
Raymond Van Roijen
Assignee (at issue)
International Business Machines 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.