Granted Patent
Utility
US 5,869,358 · App. 08/923,542
Method for the production of a gate turn-off thyristor having an anode-side stop layer and a transparent anode emitter
Inventors:
Norbert Galster, Sven Klaka, Andre Weber
Patented Case
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Granted: Feb 9, 1999
Filed: Sep 4, 1997
Inventors
Norbert Galster
Sven Klaka
Andre Weber
Assignee (at issue)
Asea Brown Boveri, S.A.
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.