Granted Patent
Utility
US 4,786,608 · App. 06/947,749
Technique for forming electric field shielding layer in oxygen-implanted silicon substrate
Inventor:
Richard Griffith
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Dec 30, 1986
Inventor
Richard Griffith
Assignee (at issue)
HARRIS 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.