Granted Patent
Utility
US 6,452,209 · App. 09/771,778
Semiconductor devices having backside probing capability
Inventor:
David P. Vallett
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jan 29, 2001
Inventor
David P. Vallett
Assignee (at issue)
International Business Machines 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.