Granted Patent
Utility
US 6,426,012 · App. 09/644,989
Wet chemical etch process for patterning MRAM magnetic layers
Inventors:
Eugene J. O'Sullivan, Alejandro G. Schrott
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Aug 24, 2000
Inventors
Eugene J. O'Sullivan
Alejandro G. Schrott
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.