Granted Patent
Utility
US 4,417,478 · App. 06/325,940
Method for determining lead frame failure modes using acoustic emission and discriminant analysis techniques
Inventors:
Min-Chung Jon, Vito Palazzo, George W. Sturm
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Nov 30, 1981
Inventors
Min-Chung Jon
Vito Palazzo
George W. Sturm
Assignee (at issue)
Western Electric Company, 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.