Granted Patent
Utility
US 4,716,451 · App. 06/448,724
Semiconductor device with internal gettering region
Inventors:
Sheng Teng Hsu, Doris W. Flatley
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Dec 10, 1982
Inventors
Sheng Teng Hsu
Doris W. Flatley
Assignee (at issue)
RCA 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.