Granted Patent
Utility
US 6,833,282 · App. 10/435,043
Method of forming an optical sensor device having a composite sandwich structure of alternating titanium and titanium nitride layers
Inventors:
Robert Groulx, Raymond Timothy Frost, Yves Tremblay
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: May 12, 2003
Inventors
Robert Groulx
Raymond Timothy Frost
Yves Tremblay
Assignee (at issue)
DALSA Semiconductor 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.