Granted Patent
Utility
US 6,020,622 · App. 09/038,111
Trench isolation for semiconductor device with lateral projections above substrate
Inventors:
Nobuyuki Tsuda, Hideki Fujikake
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 11, 1998
Inventors
Nobuyuki Tsuda
Hideki Fujikake
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.