IP Library Granted Patent US 5,869,358
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 View Patent ↗
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.

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Quick Facts
Patent No.
US 5,869,358
App. No.
08/923,542
Filed
1997-09-04
Granted
1999-02-09
Kind
A