Granted Patent
Utility
US 6,627,977 · App. 10/142,222
Semiconductor package including isolated ring structure
Inventor:
Donald C. Foster
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: May 9, 2002
Inventor
Donald C. Foster
Assignee (at issue)
Amkor Technology, 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.