Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Surface deformation means only
Reexamination Certificate
2003-08-08
2009-12-22
Gupta, Yogendra (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Surface deformation means only
C425S387100, C425S389000, C425S149000, C425S150000
Reexamination Certificate
active
07635262
ABSTRACT:
Improved apparatus for imprint lithography involves using direct fluid pressure to press a mold into a substrate-supported film. Advantageously the mold and/or substrate are sufficiently flexible to provide wide area contact under the fluid pressure. Fluid pressing can be accomplished by sealing the mold against the film and disposing the resulting assembly in a pressurized chamber. The result of this fluid pressing is enhanced resolution and high uniformity over an enlarged area.
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M. Colburn et al., “Step and Finish Imprint Lithography: A New Approach to High-Resolution Patterning”, Mar. 1999, Texas Materials Institute, The University of Texas at Austin Texas, Part of the SPIE Conference on Emergining Lithographic Technologies, III (pp. 379-389).
Chou Stephen Y.
Tan Hua
Zhang Wei
Gupta Yogendra
Luk Emmanuel S
Polster Lieder Woodruff & Lucchesi LC
Princeton University
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