Granted Patent
Utility
US 4,382,827 · App. 06/258,189
Silicon nitride S/D ion implant mask in CMOS device fabrication
Inventors:
Roberto Romano-Moran, Ronald W. Brower
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Apr 27, 1981
Inventors
Roberto Romano-Moran
Ronald W. Brower
Assignee (at issue)
NCR 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.