Granted Patent
Utility
US 4,489,482 · App. 06/501,348
Impregnation of aluminum interconnects with copper
Inventors:
Thomas Keyser, Michael E. Thomas, John M. Pierce, James M. Cleeves
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Jun 6, 1983
Inventors
Thomas Keyser
Michael E. Thomas
John M. Pierce
James M. Cleeves
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.