Granted Patent
Utility
US 5,773,890 · App. 08/703,533
Semiconductor device that prevents peeling of a titanium nitride film
Inventors:
Tomoyuki Uchiyama, Yasuo Kasagi
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 27, 1996
Inventors
Tomoyuki Uchiyama
Yasuo Kasagi
Assignee (at issue)
NIPPON STEEL 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.