Granted Patent
Utility
US 6,524,644 · App. 09/383,718
Process for selective deposition of OSP coating on copper, excluding deposition on gold
Inventor:
Karl F. Wengenroth
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Aug 26, 1999
Inventor
Karl F. Wengenroth
Assignee (at issue)
Enthone GmbH
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.