摘要:
An antireflection film-forming composition having excellent coatability, capable of significantly inhibiting production of fine microbubbles and capable of forming an antireflection film with a sufficiently decreased standing-wave effect, and having excellent solubility in water and alkaline developers is provided. The composition comprises a polymer having at least one polymerization unit with a hydroxyl group-containing organic group on the side chain, preferably a copolymer having at least one recurring unit of the following formula (2) and/or at least one recurring unit of the following formula (3) and at least one recurring unit of the following formula (4), and/or a salt thereof: wherein R1 and R2 represent a hydrogen atom, a fluorine atom, or a monovalent organic group, m is an integer of 1-20, and A represents a divalent coupling means.
摘要:
An antireflection film-forming composition having excellent coatability, capable of significantly inhibiting production of fine microbubbles and capable of forming an antireflection film with a sufficiently decreased standing-wave effect, and having excellent solubility in water and alkaline developers is provided. The composition comprises a polymer having at least one polymerization unit with a hydroxyl group-containing organic group on the side chain, preferably a copolymer having at least one recurring unit of the following formula (2) and/or at least one recurring unit of the following formula (3) and at least one recurring unit of the following formula (4), and/or a salt thereof: wherein R1 and R2 represent a hydrogen atom, a fluorine atom, or a monovalent organic group, m is an integer of 1-20, and A represents a divalent coupling means.
摘要:
A composition for formation of upper layer film, which is used for forming an upper layer film on the surface of a photoresist film and which comprises a resin (A) having a repeating unit represented by the following general formula (1-1) and not having a repeating unit represented by the following general formula (1-2), and a resin (B) having a repeating unit represented by the following general formula (1-2) and not having a repeating unit represented by the following general formula (1-1). [In the general formulas (1-1) and (1-2), R1 is hydrogen or the like; R2 is single bonds or the like; and R3 is a fluorine-substituted, linear or branched alkyl group having 1 to 12 carbon atoms, or the like.] The composition can form an upper layer film giving a sufficiently high receded contact angle.
摘要:
The objective of the present invention is to provide a resin for forming an upper antireflective film and a composition for forming an upper antireflective film that can reduce a standing wave effect satisfactorily and lead excellent solubility in an alkaline developer in lithography and a method for forming a resist pattern. Specifically, the resin for forming an upper antireflective film has at least one unit selected from a repeating unit represented by the formula (1) and a repeating unit represented by the formula (2), has a weight average molecular weight of 1,000 to 100,000 as measured by GPC method, and is soluble in an alkaline developer. (In the formulae (1) and (2), R1 to R14 independently represent a hydrogen atom, —OH, —COOH or —SO3H, provided that all of R1 to R7 or R8 to R14 do not represent a hydrogen atom in a molecule.)
摘要:
The objective of the present invention is to provide a resin for forming an upper antireflective film and a composition for forming an upper antireflective film that can reduce a standing wave effect satisfactorily and lead excellent solubility in an alkaline developer in lithography and a method for forming a resist pattern. Specifically, the resin for forming an upper antireflective film has at least one unit selected from a repeating unit represented by the formula (1) and a repeating unit represented by the formula (2), has a weight average molecular weight of 1,000 to 100,000 as measured by GPC method, and is soluble in an alkaline developer. (In the formulae (1) and (2), R1 to R14 independently represent a hydrogen atom, —OH, —COOH or —SO3H, provided that all of R1 to R7 or R8 to R14 do not represent a hydrogen atom in a molecule.)
摘要:
The object of the invention is to provide a composition for forming an upper layer film for immersion exposure capable of forming an upper layer film effectively inhibited from developing defects through an immersion exposure process, such as a watermark defect and dissolution residue defect. Also provided are an upper layer film for immersion exposure and a method of forming a resist pattern. The composition for forming an upper layer film includes a resin ingredient and a solvent. The resin ingredient includes a resin (A) having at least one kind of repeating units selected among those represented by the formulae (1-1) to (1-3) and at least either of the two kinds of repeating units represented by the formulae (2-1) and (2-2). (1-1) (1-2) (1-3) (2-1) (2-2) [In the formulae, R1 represents hydrogen or methyl; R2 and R3 each represents methylene, linear or branched C2-6 alkylene, or alicyclic C4-12 alkylene; R4 represents hydrogen or methyl; and R5 represents a single bond, methylene, or linear or branched C2-6 alkylene.].
摘要:
A negative-tone radiation-sensitive composition includes a polymer, a photoacid generator, and a solvent. The polymer has a polystyrene-reduced weight average molecular weight of 4000 to 200,000, and is obtained by hydrolysis and condensation of at least one hydrolyzable silane compound among compounds shown by RaSi(OR1)4-a, Si(OR2)4 and R3x(R4O)3-xSi—(R7)z—Si(OR5)3-yR6y. “R” represents a fluorine atom, an alkylcarbonyloxy group, or a linear or branched alkyl group having 1 to 5 carbon atoms. “R1” represents a monovalent organic group. “R2” represents a monovalent organic group. “R3” and “R6” individually represent a fluorine atom, an alkylcarbonyloxy group, or a linear or branched alkyl group having 1 to 5 carbon atoms “R4” and “R5” individually represent a monovalent organic group. “R7” represents an oxygen atom, a phenylene group, or a group —(CH2)m—. The content of units derived from the compound RaSi(OR1)4-a is 50 to 100 mol % of the total units forming the polymer.
摘要:
A positive-tone radiation-sensitive resin composition comprising: (A) a low molecular weight compound having at least one amino group in which the nitrogen atom has at least one hydrogen atom bonded thereto and at least one of the hydrogen atoms is replaced by a t-butoxycarbonyl group, (B) a photoacid generator, and (C-1) a resin insoluble or scarcely soluble in alkali which is protected by an acid-dissociable group and becomes soluble in alkali when the acid-dissociable group dissociates or (C-2) an alkali-soluble resin and an alkali solubility control agent is disclosed. Also disclosed is a negative-tone radiation-sensitive resin composition comprising the low molecular weight compound (A), the photoacid generator (B), an alkali-soluble resin (D), and a compound capable of crosslinking with the alkali-soluble resin in the presence of an acid(E). The composition are useful as a chemically amplified resist which effectively responds to various radiations, exhibits superior sensitivity and resolution, forms fine patterns at a high precision and in a stable manner even if the patterns are isolated line patterns.
摘要:
The object of the invention is to provide a composition for forming an upper layer film for immersion exposure capable of forming an upper layer film effectively inhibited from developing defects through an immersion exposure process, such as a watermark defect and dissolution residue defect. Also provided are an upper layer film for immersion exposure and a method of forming a resist pattern. The composition for forming an upper layer film includes a resin ingredient and a solvent. The resin ingredient includes a resin (A) having at least one kind of repeating units selected among those represented by the formulae (1-1) to (1-3) and at least either of the two kinds of repeating units represented by the formulae (2-1) and (2-2). (1-1) (1-2) (1-3) (2-1) (2-2) [In the formulae, R1 represents hydrogen or methyl; R2 and R3 each represents methylene, linear or branched C2-6 alkylene, or alicyclic C4-12 alkylene; R4 represents hydrogen or methyl; and R5 represents a single bond, methylene, or linear or branched C2-6 alkylene.].
摘要:
A composition for formation of upper layer film, which is used for forming an upper layer film on the surface of a photoresist film and which comprises a resin (A) having a repeating unit represented by the following general formula (1-1) and not having a repeating unit represented by the following general formula (1-2), and a resin (B) having a repeating unit represented by the following general formula (1-2) and not having a repeating unit represented by the following general formula (1-1). [In the general formulas (1-1) and (1-2), R1 is hydrogen or the like; R2 is single bonds or the like; and R3 is a fluorine-substituted, linear or branched alkyl group having 1 to 12 carbon atoms, or the like.] The composition can form an upper layer film giving a sufficiently high receded contact angle.