Granted Patent
Utility
US 6,667,559 · App. 10/162,830
Ball grid array module and method of manufacturing same
Inventors:
Yutaka Tsukada, Kimihiro Yamanaka
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Jun 4, 2002
Inventors
Yutaka Tsukada
Kimihiro Yamanaka
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.