Granted Patent
Utility
US 4,988,643 · App. 07/419,284
Self-aligning metal interconnect fabrication
Inventor:
Morris Tsou
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Oct 10, 1989
Inventor
Morris Tsou
Assignee (at issue)
VLSI 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.