Granted Patent
Utility
US 6,504,178 · App. 09/828,694
Indirect back surface contact to semiconductor devices
Inventors:
Lars Carlson, Shulai Zhao, Richard W. Wilson
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Apr 5, 2001
Inventors
Lars Carlson
Shulai Zhao
Richard W. Wilson
Assignee (at issue)
Digirad 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.