Granted Patent
Utility
US 5,308,786 · App. 08/127,052
Trench isolation for both large and small areas by means of silicon nodules after metal etching
Inventors:
Water Lur, Jiunn Y. Wu, Anna Su
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Sep 27, 1993
Inventors
Water Lur
Jiunn Y. Wu
Anna Su
Assignee (at issue)
WINBOND ELECTRONICS CORP.
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.