Granted Patent
Utility
US 5,928,965 · App. 08/909,263
Method for dry-etching of silicon substrate
Inventors:
Hideyuki Shoji, Takakazu Kusuki
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Aug 11, 1997
Inventors
Hideyuki Shoji
Takakazu Kusuki
Assignee (at issue)
NEC CORPORATION
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.