Granted Patent
Utility
US 5,308,790 · App. 07/961,967
Selective sidewall diffusion process using doped SOG
Inventors:
Derryl D. J. Allman, Gayle W. Miller
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Oct 16, 1992
Inventors
Derryl D. J. Allman
Gayle W. Miller
Assignee (at issue)
NCR 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.