Granted Patent
Utility
US 4,289,574 · App. 06/157,996
Process for patterning metal connections on a semiconductor structure by using an aluminum oxide etch resistant layer
Inventors:
Steven J. Radigan, Robert Berry
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Jun 9, 1980
Inventors
Steven J. Radigan
Robert Berry
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.