Materials for imprint lithography
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United States of America Patent
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Dec 13, 2011
Grant Date -
Aug 25, 2005
app pub date -
Feb 23, 2004
filing date -
Feb 23, 2004
priority date (Note) -
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Abstract
The present invention is directed to a material for use in imprint lithography that features a composition having a viscosity associated therewith and including a surfactant, a polymerizable component, and an initiator responsive to a stimuli to vary the viscosity in response thereto, with the composition, in a liquid state, having the viscosity being lower than about 100 centipoises, a vapor pressure of less than about 20 Torr, and in a solid cured state a tensile modulus of greater than about 100 MPa, a break stress of greater than about 3 MPa and an elongation at break of greater than about 2%.
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