Granted Patent
Utility
US 5,858,828 · App. 08/801,668
Use of MEV implantation to form vertically modulated N+ buried layer in an NPN bipolar transistor
Inventors:
John J. Seliskar, David W. Daniel, Todd A. Randazzo
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Feb 18, 1997
Inventors
John J. Seliskar
David W. Daniel
Todd A. Randazzo
Assignee (at issue)
Symbios, Inc.
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.