Granted Patent
Utility
US 5,901,018 · App. 08/957,788
Magnetic tunnel junction magnetoresistive read head with sensing layer as rear flux guide
Inventors:
Robert E. Fontana, Jr., Stuart Stephen Papworth Parkin, Ching Hwa Tsang, Mason Williams
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Oct 24, 1997
Inventors
Robert E. Fontana, Jr.
Stuart Stephen Papworth Parkin
Ching Hwa Tsang
Mason Williams
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.