Granted Patent
Utility
US 5,119,167 · App. 07/261,175
Method of improving the corrosion resistance of aluminum contacts on semiconductors
Inventor:
Timothy E. Turner
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Oct 21, 1988
Inventor
Timothy E. Turner
Assignee (at issue)
SGA-Thomson Microelectronics S.A.
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.