Granted Patent
Utility
US 5,871,870 · App. 08/914,571
Mask for forming features on a semiconductor substrate and a method for forming the mask
Inventor:
James J. Alwan
Patented Case
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Granted: Feb 16, 1999
Filed: Aug 19, 1997
Inventor
James J. Alwan
Assignee (at issue)
Micron Technology, Inc.
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.