Granted Patent
Utility
US 5,960,277 · App. 08/868,525
Method of making a merged device with aligned trench FET and buried emitter patterns
Inventor:
Richard A. Blanchard
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jun 4, 1997
Inventor
Richard A. Blanchard
Assignee (at issue)
STMICROELECTRONICS, 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.