Granted Patent
Utility
US 5,283,202 · App. 07/945,817
IGBT device with platinum lifetime control having gradient or profile tailored platinum diffusion regions
Inventors:
Douglas A. Pike, Jr., Dah W. Tsang, James M. Katana, Dumitra Scrulla
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Sep 15, 1992
Inventors
Douglas A. Pike, Jr.
Dah W. Tsang
James M. Katana
Dumitra Scrulla
Assignee (at issue)
Advanced Power Technology 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.