1 University Station C5300

West University Place, TX, United States

1 University Station C5300

West University Place, TX, United States
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Seshimo T.,University of Texas at Austin | Bates C.M.,University of Texas at Austin | Dean L.M.,1 University Station C5300 | Cushen J.D.,1 University Station C5300 | And 5 more authors.
Journal of Photopolymer Science and Technology | Year: 2012

Directed self-assembly of Si containing block copolymers (BCP) is a candidate for next generation patterning technology because it enables both high resolution and high etch contrast. Achieving high resolution requires a high χ parameter. However, it is often difficult to achieve perpendicular patterns by thermal annealing of BCPs with a lower surface energy block, which tends to align with the air interface. New top surface treatment materials that provide a surface energy between those of the blocks have been developed that enable perpendicular pattern alignment with block copolymers that have a low surface energy block. © 2012 CPST.

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