Granted Patent
Utility
US 5,268,317 · App. 07/790,953
Method of forming shallow junctions in field effect transistors
Inventors:
Udo Schwalke, Christoph Zeller, Heinrich Zeininger, Wilfried Hansch
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Nov 12, 1991
Inventors
Udo Schwalke
Christoph Zeller
Heinrich Zeininger
Wilfried Hansch
Assignee (at issue)
Siemens Aktiengesellschaft
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.