Patterning substrates employing multiple chucks
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United States of America Patent
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Mar 2, 2010
Grant Date -
Jul 26, 2007
app pub date -
Jan 19, 2007
filing date -
Jan 20, 2006
priority date (Note) -
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Abstract
The present invention is directed towards a method for patterning first and second substrates in a nanoimprint lithography system, the method including, inter alia, positioning the first substrate on a first substrate chuck; positioning a nanoimprint material on the first substrate; obtaining a spatial relationship between the first substrate and a nanoimprint mold assembly and imprinting a pattern in the nanoimprint material on the first substrate with the nanoimprint mold assembly while concurrently positioning the second substrate on a second substrate chuck; separating the nanoimprint mold assembly from the nanoimprint material on the first substrate; positioning a nanoimprint material on the second substrate; removing the first substrate from the first substrate chuck while concurrently obtaining a spatial relationship between the second substrate and the nanoimprint mold assembly and imprinting a pattern in the nanoimprint material on the second substrate with the nanoimprint mold assembly; and separating the nanoimprint mold assembly from the nanoimprint material on the second substrate, with the first and second substrates being subjected to substantially the same process conditions.
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