Granted Patent
Utility
US 6,339,016 · App. 09/607,389
Method and apparatus for forming an epitaxial silicon wafer with a denuded zone
Inventors:
Tom Torack, Michael J. Ries
Patented Case
View Patent ↗
Granted: Jan 15, 2002
Filed: Jun 30, 2000
Inventors
Tom Torack
Michael J. Ries
Assignee (at issue)
MEMC Electronic Materials, Inc.
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.