摘要:
Embodiments of the present invention relate generally to non-self imagable and imagable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming imaging layer and top-coat layers for overlying such imaging layers in immersion lithographic process and the process thereof.
摘要:
The formation of high-resolution resist patterns by liquid immersion lithography with various fluids is enabled by protecting a resist film from deterioration (such as bridging) during the immersion exposure in a fluid (such as water) and the fluid from deterioration and improving the stability of a resist film in the storage after exposure without increase in the number of treatment steps. A material for forming resist protection films which comprises an alkali-soluble polymer for forming a protective overcoat for a resist film, characterized in that the contact angle of the polymer to water is 90° or above. The polymer is preferably an acrylic polymer which comprises as the essential components constituent units derived from (meth) acrylic acid and constituent units derived from a specific acrylic ester.
摘要:
To provide a material for protective film formation that can simultaneously prevent a change in quality of a resist film during liquid immersion exposure and a change in quality of a liquid for liquid immersion exposure used, and, at the same time, can form a resist pattern having a good shape without increasing the number of treatment steps. A material for protective film formation, comprising at least an alkali-soluble polymer comprising constitutional units represented by general formula (1): wherein R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene chain having 1 to 5 carbon atoms; R3 represents a fluorinated alkylene chain having 1 to 10 carbon atoms in which a part or all of hydrogen atoms have been substituted by a fluorine atom; and m is a repeating unit.
摘要:
The formation of high-resolution resist patterns by liquid immersion lithography with various fluids is enabled by protecting a resist film from deterioration (such as bridging) during the immersion exposure in a fluid (such as water) and the fluid from deterioration and improving the stability of a resist film in the storage after exposure without increase in the number of treatment steps. A material for forming resist protection films which comprises an alkali-soluble polymer for forming a protective overcoat for a resist film, characterized in that the contact angle of the polymer to water is 90° or above. The polymer is preferably an acrylic polymer which comprises as the essential components constituent units derived from (meth) acrylic acid and constituent units derived from a specific acrylic ester.
摘要:
A material for protective film formation that is used to form an upper-layer protective film for a resist film and that contains at least a polymer component soluble in water or alkali and an alcohol containing a fluorine atom; and a method of forming a resist pattern with the use of the same. Consequently, not only can the degeneration of resist film during liquid immersion exposure by various liquids for liquid immersion exposure, for example, water and the degeneration of liquid immersion exposure liquids per se be simultaneously prevented in the liquid immersion exposure process, but also without inviting an increase of the number of processing steps, the resistance to post exposure delay of the resist film can be enhanced.
摘要:
It is intended to in a liquid-immersion exposure process, simultaneously prevent any degeneration, represented by bridge, etc., of resist film during the liquid-immersion exposure using water and other various liquid-immersion exposure liquids and any degeneration of liquid-immersion exposure liquids per se, and to without increasing of the number of treatment steps, realize enhancing of the post-exposure storage stability of resist film, and to enable forming of a resist pattern of high resolution through liquid-immersion exposure. Use is made of an acrylic copolymer of the general formula: wherein R is a hydrogen atom or methyl; R′ is a hydrogen atom, methyl or C1-C4 hydroxyalkyl; R1 is a C1-C15 linear, branched or cyclic alkyl with the proviso that the hydrogen atoms of the alkyl may be partially or wholly substituted with fluorine atom or atoms; R2 is an alicyclic hydrocarbon group; R3 is a linear hydrocarbon group; and each of l, m, n and o is the mol % of structural unit contained, being in the range of 2 to 60 mol %.
摘要:
Embodiments of the present invention relate generally to non-self imageable and imageable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming imaging layer and top-coat layers for overlying such imaging layers in immersion lithographic process and the process thereof.
摘要:
A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the acid-generator component (B) including an acid generator (B1) containing a compound having a cation moiety comprising a group represented by general formula (I) (in the formula, R5 represents an organic group having a carbonyl group, an ester bond or a sulfonyl group; and Q represents a divalent linking group).
摘要:
Embodiments of the present invention relate generally to non-self imageable and imageable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming imaging layer and top-coat layers for overlying such imaging layers in immersion lithographic process and the process thereof.
摘要:
A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) which generates acid upon exposure, the acid-generator component (B) including an acid generator (B1) containing a compound having a cation moiety represented by general formula (I) (in the formula, R5 represents an organic group having a carbonyl group, an ester bond or a sulfonyl group; and Q represents a divalent linking group).