Granted Patent
Utility
US 5,772,857 · App. 08/608,142
Method of manufacturing CoCrTa/CoCrTaPt bi-layer magnetic thin films
Inventor:
Bing Zhang
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Feb 28, 1996
Inventor
Bing Zhang
Assignee (at issue)
Seagate Technology LLC
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.