Granted Patent
Utility
US 6,007,623 · App. 08/920,550
Method for making horizontal magnetic recording media having grains of chemically-ordered FePt or CoPt
Inventors:
Jan-Ulrich Thiele, Dieter K. Weller
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Aug 29, 1997
Inventors
Jan-Ulrich Thiele
Dieter K. Weller
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.