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New Lithography Method Creates Molecule-Sized Images

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EVANSTON, Ill., Sept. 29, 2006 -- Ever since the invention of the first scanning probe microscope in 1981, researchers have believed the powerful tool would someday be used for the nanofabrication and nanopatterning of surfaces in a molecule-by-molecule, bottom-up fashion. Despite 25 years of research in this area, scientists had hit a brick wall in developing a technique with commercial potential -- until now. Northwestern University researchers have developed a 55,000-pen, two-dimensional array that allows them to simultaneously create 55,000 identical patterns drawn with tiny dots of molecular ink on substrates of gold...Read full article

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