Granted Patent
Utility
US 6,369,983 · App. 09/374,591
Write head having a dry-etchable antireflective intermediate layer
Inventor:
Liubo Hong
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Aug 13, 1999
Inventor
Liubo Hong
Assignee (at issue)
Read Rite 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.