Granted Patent
Utility
US 6,165,889 · App. 08/556,345
Process for forming trenches and contacts during the formation of a semiconductor memory device
Inventor:
Philip J. Ireland
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Nov 13, 1995
Inventor
Philip J. Ireland
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.