Granted Patent
Utility
US 6,780,764 · App. 10/316,852
Method of forming a patterned tungsten damascene interconnect
Inventors:
Tomoyuki Morita, Yusuke Harada
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Dec 12, 2002
Inventors
Tomoyuki Morita
Yusuke Harada
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.