Granted Patent
Utility
US 5,859,475 · App. 08/637,578
Carrier strip and molded flex circuit ball grid array
Inventors:
Bruce J. Freyman, Robert Francis Darveaux
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Apr 24, 1996
Inventors
Bruce J. Freyman
Robert Francis Darveaux
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.