摘要:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition allowing formation of a pattern that satisfies demands for high sensitivity, high resolution (for example, high resolving power, excellent pattern shape and minute line edge roughness (LER)) and favorable dry etching resistance, and to provide an actinic ray-sensitive or radiation-sensitive film using the composition, a mask blank having the film, and a method for forming a pattern, and more particularly, to provide an actinic ray-sensitive or radiation-sensitive resin composition exhibiting high resolving power in the formation of a fine isolated pattern through exposure using electron beams or extreme ultraviolet rays.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition includes a compound (A) having a structure (P) having at least one phenolic hydroxyl group and a structure (Q) having at least one phenolic hydroxyl group whose hydrogen atom is replaced by a group (S) having a cyclic structure containing an acid crosslinking group. The group (S) having a cyclic structure containing an acid crosslinking group is a group having a polycyclic structure or a cyclic structure containing a hydroxymethyl group and/or an alkoxymethyl group.
摘要:
According to one embodiment, an actinic ray-sensitive or radiation-sensitive resin composition includes (A) a resin containing the repeating units of formulae (I), (II) and (III) that when acted on by an acid, becomes soluble in an alkali developer, and (B) a compound that when irradiated with actinic rays or radiation, generates a fluorine-containing acid, wherein each of R1 independently represents a hydrogen atom or an optionally substituted methyl group, R2 represents a halogen atom, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, and n is an integer of 0 to 5, provided that when n is 2 or greater, multiple R2s may be identical to or different from each other.
摘要:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition capable of achieving high sensitivity, a good pattern shape, good roughness characteristics and good pattern density-dependent characteristics, and to provide an actinic ray-sensitive or radiation-sensitive resin film and a pattern forming method using the composition.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises: a resin (P) having a repeating unit (A) containing a group that is decomposed by irradiation with actinic rays or radiation to generate an acid and a repeating unit (B) containing a group that is decomposed by an action of an acid to increase solubility in an alkali developing solution; and a compound (Q) expressed by general formula (1). Each symbol in general formula (1) conforms to the claims and specification of the present invention.
摘要:
PROBLEM TO BE SOLVED: To provide a positive resist material for forming a resist film that has higher resolution than conventional positive resist materials, causes low edge roughness, achieves a favorable pattern profile after exposure, and exhibits high etching durability, in particular, a positive resist material using a polymer composition suitable as base resin for a chemically amplified positive resist material, and a pattern forming method.SOLUTION: The positive resist material includes a resin as a base resin, in which a hydrogen atom of a carboxyl group is substituted with an acid-labile group expressed by general formula (1). In the formula, A represents -(CR)-; B represents -(CR)-; Rand Reach represents a hydrogen atom or an alkyl group and the two of Ror two of Rmay be coupled with each other to form a ring; m and n represent 1 or 2; Rrepresents an alkyl group, alkoxy group, alkanoyl group, alkoxycarbonyl group, hydroxy group, nitro group, aryl group, halogen atom or cyano group; Rrepresents an alkyl group, alkenyl group, alkynyl group or aryl group, optionally having an oxygen atom or a sulfur atom; and p represents an integer of 0 to 4. The positive resist material shows significantly high contrast in an alkali dissolution rate before and after exposure, has high resolution, gives a favorable pattern profile and favorable edge roughness after exposure, and moreover suppresses an acid diffusion rate and exhibits high etching durability.
摘要翻译:要解决的问题:为了提供用于形成抗蚀剂膜的正性抗蚀剂材料,其具有比常规正性抗蚀剂材料更高的分辨率,导致低边缘粗糙度,在曝光后获得良好的图案轮廓,并且表现出高的蚀刻耐久性,特别是 使用适合作为化学增幅正性抗蚀剂材料的基础树脂的聚合物组合物的正型抗蚀剂材料和图案形成方法。 解决方案:正型抗蚀剂材料包括其中羧基的氢原子被通式(1)表示的酸不稳定基团取代的基础树脂的树脂。 在公式中,A表示 - (CR 2 SP> 2 SB>) m SB> ; B表示 - (CR 5 SP> 2 SB>) n SB> R 2 SP>和R 5 SP>分别表示氢原子或烷基,R 2 SP>或R 5 SP>中的两个可以彼此耦合以形成环; m和n表示1或2; R 6表示烷基,烷氧基,烷酰基,烷氧基羰基,羟基,硝基,芳基,卤素原子或氰基。 R“表示任选具有氧原子或硫原子的烷基,烯基,炔基或芳基; p表示0〜4的整数。正性抗蚀剂材料在曝光前后的碱溶解速度显示显着高的对比度,分辨率高,曝光后具有良好的图案轮廓和良好的边缘粗糙度,并且还抑制酸扩散 速率并且表现出高蚀刻耐久性。 版权所有(C)2013,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a chemically amplified resist composition allowing formation of a pattern that simultaneously satisfies demands for high sensitivity, high resolution (for example, high resolving power, an excellent pattern profile, and small line edge roughness (LER)), and good dry-etching durability, and to provide a resist film, a resist-coated mask blanks, and a method for forming a resist pattern using the composition.SOLUTION: The chemically amplified resist composition contains a polymeric compound (A) having a phenolic hydroxyl group and a group derived by substituting a hydrogen atom of a hydroxyl group in a phenolic hydroxyl group with a substituent and simultaneously satisfying the following conditions (a) to (c). The polymeric compound satisfies: (a) a dispersion degree of 1.2 or less; (b) a weight average molecular weight of 2000 or more and 6500 or less; and (c) a glass transition temperature (Tg) of 140°C or higher.
摘要:
PROBLEM TO BE SOLVED: To provide a resist pattern forming method capable of forming a pattern satisfying high sensitivity, high resolution property (for example, high resolution, excellent pattern profile and small line edge roughness (LER)) and good dry etching resistance all the same time, a resist pattern, a crosslinkable negative chemical amplification resist composition for organic solvent development, a resist film and resist-coated mask blanks.SOLUTION: A resist pattern forming method contains: in the following order, (1) forming a resist film by using a negative chemical amplification resist composition containing (A) a polymer compound having a repeating unit that has a structure where a hydrogen atom of a phenolic hydroxyl group is replaced by a group having a non-acid-decomposable polycyclic alicyclic hydrocarbon structure, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation and (C) a crosslinking agent capable of crosslinking the polymer compound (A) by an action of an acid; (2) exposing the resist film; and (4) developing the exposed resist film by using a developer containing an organic solvent. Further provided are a resist pattern, a crosslinkable negative chemical amplification resist composition for organic solvent development, a resist film and resist-coated mask blanks.
摘要:
Disclosed is a resin composition which enables the smooth shrinkage of a resist pattern by heat treatment and can be removed readily by the treatment with an aqueous alkali solution. Specifically disclosed is a resin composition for forming a fine pattern, which is intended to be used for making a fine resist pattern and comprises a resin, a crosslinking component and an alcohol solvent, wherein the resin has a repeating unit (I) having a side chain represented by the formula (1), a repeating unit (II) having a hydroxy group as a side chain and a repeating unit (III) that is a styrene derivative. (1) wherein R, R' and R'' independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a hydroxymethyl group, a trifluoromethyl group, or a phenyl group; A represents a single bond, an oxygen atom, a carbonyl group, a carbonyloxy group, or an oxycarbonyl group; B represents a single bond, or a bivalent organic group having 1 to 20 carbon atoms; Rf represents a linear or branched alkyl group having 1 to 8 carbon atoms in which at least one hydrogen atom is substituted by a fluorine atom.
摘要:
To obtain a resin for toners, or a toner, which is superior in the quickness in its rise of charging to a sufficient charge quantity in a short time, in the stability of charging that extends from the initial stage up to the printing on a large number of sheets, and in the stability of charging that comes in a high-temperature and high-humidity environment. As a charge control resin, it is characterized by containing a specific unit having sulfonic acid or a sulfonate as a substituent and a specific unit having a salicylic acid derivative.