Granted Patent
Utility
US 6,791,188 · App. 10/228,064
Thin film aluminum alloy and sputtering target to form the same
Inventors:
Junichiro Hagihara, Ichiro Tokuda
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Aug 27, 2002
Inventors
Junichiro Hagihara
Ichiro Tokuda
Assignee (at issue)
Vacuum Metallurgical 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.