摘要:
The present invention provides a photoresist composition comprising a resin, an acid generator and a compound represented by the formula (I): wherein R1 represents a C2-C12 alkyl group which can have one or more hydroxyl groups, etc., R2 and R3 each independently represent a hydrogen atom, etc., R4, R5 and R6 each independently represent a hydrogen atom, etc., A1 represents a single bond or a C1-C2 alkylene group in which one or more —CH2— can be replaced by —O—.
摘要:
The present invention provides a photoresist composition comprising a resin, an acid generator and a compound represented by the formula (I): wherein R1, R2 and R3 each independently represent a hydrogen atom or a C1-C4 alkyl group, A1 represents a single bond or a C1-C2 alkylene group, R4 and R5 each independently represent a hydrogen atom or a C1-C2 alkyl group, R6 and R7 each independently represent a hydrogen atom etc.
摘要:
A photoresist composition which comprises a salt represented by formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, R1, R2 and R3 each independently represent a hydrogen atom or a C1-C10 monovalent aliphatic saturated hydrocarbon group, X1 and X2 each independently represent a single bond, a carbonyl group, or a C1-C10 divalent aliphatic saturated hydrocarbon group where a hydrogen atom can be replaced by a hydroxy group and where a methylene group can be replaced by an oxygen atom, a sulfonyl group or a carbonyl group, A1 represents a C1-C30 organic group, m1 represents an integer of 1 to 4, and Z+ represents an organic cation, and a resin which is hardly soluble or insoluble but soluble in an aqueous alkali solution by action of an acid.
摘要:
A resist composition having; a resin having a structural unit represented by the formula (I), a resin being insoluble or poorly soluble in alkali aqueous solution, but becoming soluble in an alkali aqueous solution by the action of an acid and not including the structural unit represented by the formula (I), an acid generator, and a salt having an anion represented by the formula (IA). wherein R1, A1, A13, X12, A14, R1A and R2A are defined in the specification.
摘要:
A salt represented by formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, A1 represents a C1-C30 monovalent organic group, X1 represents a C1-C10 aliphatic hydrocarbon group where a hydrogen atom may be replaced by a hydroxy group, m1 and m2 independently each represent an integer of 1 to 4, and Z+ represents an organic cation.
摘要:
A resist composition containing; (A1) a resin having a structural unit represented by the formula (I), (A2) a resin being insoluble or poorly soluble in alkali aqueous solution, but becoming soluble in an alkali aqueous solution by the action of an acid, (B) an acid generator, and (D) a salt having an anion represented by the formula (IA), wherein R1, A1, R2, R1A and R2A are defined in the specification.
摘要:
The present invention provides a photoresist composition comprising a polymer comprising a structural unit derived from a compound represented by the formula (I): wherein R1 represents a hydrogen atom or a methyl group, R2 represents a C6-C12 aromatic hydrocarbon group which can have one or more substituents, R3 represents a cyano group or a C1-C12 hydrocarbon group which can have one or more substituents and which can contain one or more heteroatoms, A1 represents a single bond, —(CH2)g—CO—O—* or —(CH2)h—O—CO—(CH2)i—CO—O—* wherein g, h and i each independently represent an integer of −1 to 6 and * represents a binding position to the nitrogen atom, a resin having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid, and an acid generator.
摘要:
The present invention provides a sulfonium compound represented by the formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, R1 represents a C5-C42 organic group having a β-ketoester structure and A+ represents an organic counter ion, and a chemically amplified photoresist composition comprising the above-mentioned sulfonium compound and a resin comprising a structural unit having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid.
摘要:
The present invention provides a photoresist composition having a sulfonium salt comprising an anion represented by the formula (IA): wherein R1 and R2 independently represent a hydrogen atom, a C1-C12 aliphatic hydrocarbon group, a C3-C20 saturated cyclic hydrocarbon group, a C6-C20 aromatic hydrocarbon group or a C7-C21 aralkyl group, and the aliphatic hydrocarbon group, the saturated cyclic hydrocarbon group, the aromatic hydrocarbon group and the aralkyl group can have one or more substituents selected from the group consisting of a hydroxyl group, a cyano group, a fluorine atom, a trifluoromethyl group and a nitro group, and one or more —CH2— in the aliphatic hydrocarbon group can be replaced by —O— or —CO—, or R1 and R2 are bonded each other to form a C4-C20 nitrogen-containing ring together with the nitrogen atom to which they are bonded, an acrylic resin having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid, and an acid generator.
摘要:
The present invention provides a photoresist composition comprising a compound capable of generating an acid and a base by irradiation, a resin having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid, and an acid generator.