Granted Patent
Utility
US 4,714,520 · App. 06/759,621
Method for filling a trench in an integrated circuit structure without producing voids
Inventor:
Peter S. Gwozdz
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Jul 25, 1985
Inventor
Peter S. Gwozdz
Assignee (at issue)
Advanced Micro Devices, 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.