RESIST COMPOSITION FOR EUV, METHOD OF PRODUCING RESIST COMPOSITION FOR EUV, AND METHOD OF FORMING RESIST PATTERN
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United States of America Patent
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Feb 11, 2014
filing date -
Feb 10, 2011
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Abstract
A resist composition for EUV exhibiting E0KrF greater than E0EUV, in which E0KrF is a sensitivity to KrF light of 248 nm, and E0EUV is a sensitivity to EUV light, and a method of producing a resist composition for EUV including preparing the resist composition so that E0KrF is greater than E0EUV, and a method of forming a resist pattern, including applying the resist composition for EUV to a substrate to form a resist film on the substrate; conducting EUV exposure of the resist film; and developing the resist film to form a resist pattern. The resulting resist composition for EUV exhibits excellent lithography properties and pattern shape in EUV lithograph.
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