摘要:
A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.
摘要:
A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.
摘要:
A pattern-forming method includes providing a resist underlayer film on a substrate using a resist underlayer film-forming composition. The resist underlayer film-forming composition includes a first polymer having a glass transition temperature of 0 to 180° C. A silicon-based oxide film is provided on a surface of the resist underlayer film. A resist pattern is provided on a surface of the silicon-based oxide film using a resist composition. The silicon-based oxide film and the resist underlayer film are sequentially dry-etched using the resist pattern as a mask. The substrate is dry-etched using the dry-etched resist underlayer film as a mask.
摘要:
A base film-forming composition includes a compound including a group capable of reacting with Si—OH or Si—H, and a solvent. The base film-forming composition is for forming a base film provided between a layer including a silicon atom and a directed self-assembling film in a directed self-assembly lithography process. The receding contact angle of the base film for pure water is no less than 70° and no greater than 90°. The compound is preferably represented by formula (1). In the formula (1), A represents a linking group having a valency of (m+n); D represents a monovalent organic group having at least 10 carbon atoms; E represents the group capable of reacting with Si—OH or Si—H; and m and n are each independently an integer of 1 to 200.
摘要:
A radiation-sensitive composition is to be used in exposure with an extreme ultraviolet ray or an electron beam, and includes a first polymer and a solvent, wherein the first polymer includes a first structural unit including: at least one metal atom; and at least one carbon atom that each bonds to the metal atom by a chemical bond and does not constitute an unsaturated bond, and at least one chemical bond is a covalent bond. Every chemical bond is preferably a covalent bond. The metal atom is preferably tin, germanium, lead or a combination thereof.
摘要:
A block copolymer includes a polystyrene block including a styrene unit, and a polyalkyl (meth)acrylate block including an alkyl (meth)acrylate unit. The block copolymer includes an organic group that is bound to at least one end of a main chain of the block copolymer and that comprises a hetero atom. A polymerization initiation end of the block copolymer includes a structure derived from an alkyl lithium. The organic group included in the block copolymer includes a nitrogen atom, a sulfur atom, a phosphorus atom, a tin atom, or a combination thereof, or is represented by formula (1). R1 represents a single bond or a divalent organic group having 1 to 30 carbon atoms; and R2 represents a hydrogen atom, an aliphatic linear hydrocarbon group having 1 to 30 carbon atoms, an alicyclic hydrocarbon group having 3 to 30 carbon atoms, or the like.
摘要:
A composition for pattern formation includes a block copolymer and a solvent. The block copolymer includes a group including a reactive group on at least one end of a main chain of the block copolymer. A pattern-forming method includes providing a directed self-assembling film directly or indirectly on a substrate using the composition. The directed self-assembling film includes a phase separation structure which includes a plurality of phases. A part of the plurality of phases of the directed self-assembling film is removed.
摘要:
A base film-forming composition includes a compound including a group capable of reacting with Si—OH or Si—H, and a solvent. The base film-forming composition is for forming a base film provided between a layer including a silicon atom and a directed self-assembling film in a directed self-assembly lithography process. The receding contact angle of the base film for pure water is no less than 70° and no greater than 90°. The compound is preferably represented by formula (1). In the formula (1), A represents a linking group having a valency of (m+n); D represents a monovalent organic group having at least 10 carbon atoms; E represents the group capable of reacting with Si—OH or Si—H; and m and n are each independently an integer of 1 to 200.
摘要:
A composition for forming a liquid immersion upper layer film includes a polymer component including a polymer having a structural unit represented by a formula (1); and a solvent. R1 represents a carboxy group or a group represented by a formula (2); X represents a single bond, a divalent hydrocarbon group having 1 to 20 carbon atoms or a divalent fluorinated hydrocarbon group having 1 to 20 carbon atoms; R2 represents a hydrocarbon group having 1 to 20 carbon atoms and a valency of (n+1), a fluorinated hydrocarbon group having 1 to 20 carbon atoms and a valency of (n+1), or one of these groups each including between adjacent two carbon atoms thereof —CO—, —COO—, —O—, —NR′—, —CS—, —S—, —SO—, —SO2— or a combination thereof; and R3 represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms.
摘要翻译:用于形成液浸上层膜的组合物包括含有具有由式(1)表示的结构单元的聚合物的聚合物组分; 和溶剂。 R1表示羧基或由式(2)表示的基团。 X表示单键,碳原子数1〜20的二价烃基或碳原子数1〜20的二价氟代烃基。 R 2表示碳原子数1〜20的烃基,(n + 1)的化合价,碳原子数1〜20的氟代烃基,(n + 1)的化合价, -CO - , - CO-, - O - , - NR' - , - S-,-S - , - SO - , - SO 2 - 或其组合的两个碳原子; R3表示氢原子或碳原子数1〜20的1价有机基团。
摘要:
A resist pattern-forming method includes forming a resist film using a photoresist composition. The resist film is exposed. The exposed resist film is developed. The photoresist composition includes an acid generator and a polymer. The acid generator generates a protonic acid upon application of exposure light. The protonic acid generates a proton. The polymer includes a first structural unit which includes a first group. The first group and the proton form a cationic group. The polymer substantially does not include a structural unit which includes an acid-labile group.