Granted Patent
Utility
US 4,161,417 · App. 05/842,683
Method of making CMOS structure with retarded electric field for minimum latch-up
Inventors:
Ernest W. Yim, Paul G. G. VanLoon
Patented Case
View Patent ↗
Granted: Jul 17, 1979
Filed: Oct 17, 1977
Inventors
Ernest W. Yim
Paul G. G. VanLoon
Assignee (at issue)
SILICONIX INCORPORATED
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.