Granted Patent
Utility
US 4,170,500 · App. 06/003,674
Process for forming field dielectric regions in semiconductor structures without encroaching on device regions
Inventor:
Peter Crossley
Patented Case
View Patent ↗
Granted: Oct 9, 1979
Filed: Jan 15, 1979
Inventor
Peter Crossley
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.