Granted Patent
Utility
US 6,800,416 · App. 10/042,531
Negative deep ultraviolet photoresist
Inventors:
Takanori Kudo, Munirathna Padmanaban, Ralph R. Dammel, Medhat A. Touky
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jan 9, 2002
Inventors
Takanori Kudo
Munirathna Padmanaban
Ralph R. Dammel
Medhat A. Touky
Assignee (at issue)
Clariant Finance (BVI) Limited
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.