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Litho Process Awarded $900K

Photonics.com
Oct 2009
Cornell scientists who have invented a way of processing organic devices with a patent-pending process called orthogonal lithography have received a $900,000 grant from the National Science Foundation’s Materials World Network program. The funds, part of the American Recovery and Reinvestment Act, will last through 2013. The technique patterns materials using a photoresist that is soluble in environmentally safe fluorinated solvents for use in organic electronics. This protects the organic material and dramatically eases some of the hurdles to the mass production of delicate, easily contaminated organic materials faced by the nanofabrication method of photolithography. “We’ve identified a family of orthogonal solvents that is very different than water and very different than the nonpolar organics – the solvents usually used in these processes,” said Chris Ober, co-leader of the grant with George Malliaras, both Cornell professors of materials science and engineering, and Richard Friend of the University of Cambridge in the UK. The grant will fund the group’s continued study of increasingly complex organic devices using the technique and will allow Ober to retain a postdoctoral associate in Ober’s lab. Indirectly, the funds may aid job creation at a new Ithaca startup company, Orthogonal Inc., based on the technology.


GLOSSARY
electronics
That branch of science involved in the study and utilization of the motion, emissions and behaviors of currents of electrical energy flowing through gases, vacuums, semiconductors and conductors, not to be confused with electrics, which deals primarily with the conduction of large currents of electricity through metals.
photolithography
A lithographic technique using an image produced by photography for printing on a print-nonprint, sectioned surface.
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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