Granted Patent
Utility
US 6,653,698 · App. 10/034,009
Integration of dual workfunction metal gate CMOS devices
Inventors:
Byoung Hun Lee, Effendi Leobandung, Ghavam G. Shahidi
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 20, 2001
Inventors
Byoung Hun Lee
Effendi Leobandung
Ghavam G. Shahidi
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.