RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Nov 19, 2013
filing date -
Nov 27, 2012
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Abstract
A resist composition which generates an acid upon exposure and exhibits changed solubility in a developing solution by the action of an acid, the resist composition containing a base material component which exhibits changed solubility in a developing solution by the action of an acid, the base material component containing a high-molecular weight compound having a constituent unit derived from a compound represented by the following formula (a0-1), a constituent unit containing a lactone-containing, a SO2—-containing or a carbonate-containing cyclic group, and a constituent unit containing an acid decomposable group whose polarity increases by the action of an acid, and the high-molecular weight compound having a weight average molecular weight of not more than 6,000, and a method for forming a resist pattern using the same.
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