Granted Patent
Utility
US 5,750,441 · App. 08/650,723
Mask having a tapered profile used during the formation of a semiconductor device
Inventors:
Thomas A. Figura, Bradley J. Howard
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: May 20, 1996
Inventors
Thomas A. Figura
Bradley J. Howard
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.