Granted Patent
Utility
US 5,516,625 · App. 08/118,063
Fill and etchback process using dual photoresist sacrificial layer and two-step etching process for planarizing oxide-filled shallow trench structure
Inventors:
Jeanne M. McNamara, Deborah K. Rodriguez, David H. Leebrick
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: Sep 8, 1993
Inventors
Jeanne M. McNamara
Deborah K. Rodriguez
David H. Leebrick
Assignee (at issue)
HARRIS 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.