摘要:
A polymer compound containing a repeating unit shown by the formula (1c) and one or more repeating units selected from a repeating unit shown by the formula (2) and a repeating unit shown by the formula (3), wherein Mb+ represents a sulfonium cation shown by the formula (a) or an iodonium cation shown by the formula (b), This polymer compound is suitable as a base resin of a resist composition capable of forming a resist film that allows pattern formation with extremely high resolution, small LER, and excellent rectangularity.
摘要:
The present invention provides a chemically-amplified negative resist composition including a sulfonium salt capable of providing a pattern having an extremely high resolution with reduced line edge roughness, and also provides a resist patterning process using the same.The present invention was accomplished by a chemically-amplified negative resist composition including (A) a salt represented by the following general formula (1) and (B) a resin containing one or more kinds of repeating unit represented by the following general formulae (UN-1) and (UN-2) and a resist patterning process using the same.
摘要:
The present invention provides the onium salt comprises the material represented by the following general formula (0-1), wherein Rf represents a fluorine atom or a trifluoromethyl group; Y represents a cyclic hydrocarbon group having 3 to 30 carbon atoms, the hydrogen atom in the cyclic hydrocarbon group may be substituted by a hetero atom itself or a monovalent hydrocarbon group which may be substituted by a hetero atom(s), and the hetero atom(s) may be interposed into the cyclic structure of the cyclic hydrocarbon group and the monovalent hydrocarbon group; and M+ represents a monovalent cation. There can be provided an onium salt which can improve resolution at the time of forming a pattern and give a pattern with less line edge roughness (LER) when it is used in a chemically amplified positive resist composition.
摘要翻译:本发明提供的鎓盐包括由以下通式(0-1)表示的材料,其中Rf表示氟原子或三氟甲基; Y表示碳原子数3〜30的环状烃基,环状烃基中的氢原子可以被杂原子本身取代,也可以被可以被杂原子取代的一价烃基取代,杂原子 可以插入到环状烃基和一价烃基的环状结构中; M +表示一价阳离子。 可以提供鎓盐,其可以在形成图案时提高分辨率,并且当其用于化学放大的正性抗蚀剂组合物时,产生具有较少线边缘粗糙度(LER)的图案。
摘要:
The present invention provides a chemically-amplified positive resist composition including a sulfonium salt capable of providing a pattern having an extremely high resolution with low line edge roughness, and also provides a resist patterning process using the same.The present invention was accomplished by a chemically-amplified positive resist composition including: (A) a salt represented by the following general formula (1); and (B) a resin containing a repeating unit represented by the following general formula (U-1) that dissolves by acid action and increases solubility in an alkaline developer, and a resist patterning process using the same.
摘要:
There is disclosed a negative resist composition comprising at least: (A) a base polymer that is alkaline-soluble and is made alkaline-insoluble by action of an acid; (B) an acid generator; and (C) a basic component, wherein the base polymer at least contains a polymer including repeating units represented by the following general formula (1) and general formula (2) and having a weight average molecular weight of 1,000 to 10,000. There can be a negative resist composition hardly causing a bridge in forming a pattern and providing a high resolution and a patterning process using the same.
摘要:
The present invention provides a resist composition, including: (A) a sulfonium salt containing an anion and a cation, the cation including a partial structure shown by the following general formula (A1); and (B) a polymer compound containing a repeating unit shown by the following general formula (B1). The present invention provides a resist composition that causes few defects and is excellent in lithography performance, having regulated acid diffusion, in photolithography using a high energy beam as a light source, and a resist patterning process using this resist composition.
摘要:
The present invention provides a polymer compound containing a repeating unit shown by the following general formula (1). There can be provided a polymer compound usable in a negative resist composition that can achieve high resolution of 50 nm or less and small LER and cause very few defects, a negative resist composition using the polymer compound, and a patterning process using the negative resist composition.
摘要:
The present invention provides the chemically amplified negative resist composition comprises an onium salt represented by the following general formula (0-1), a resin which becomes alkali insoluble by an action of an acid and an acid generator, wherein Rf represents a fluorine atom or a trifluoromethyl group; Y represents a cyclic hydrocarbon group having 3 to 30 carbon atoms, the hydrogen atom in the cyclic hydrocarbon group may be substituted by a hetero atom itself or a monovalent hydrocarbon group which may be substituted by a hetero atom(s), and the hetero atom(s) may be interposed into the cyclic structure of the cyclic hydrocarbon group and the monovalent hydrocarbon group; and M+ represents a monovalent cation. There can be provided a chemically amplified negative resist composition which can improve resolution at the time of forming a pattern and give a pattern with less line edge roughness (LER).
摘要翻译:本发明提供化学放大型负性抗蚀剂组合物,其包含由以下通式(0-1)表示的鎓盐,通过酸和酸产生剂的作用而变成碱不溶性的树脂,其中Rf表示氟原子或 三氟甲基; Y表示碳原子数3〜30的环状烃基,环状烃基中的氢原子可以被杂原子本身取代,也可以被可以被杂原子取代的一价烃基取代,杂原子 可以插入到环状烃基和一价烃基的环状结构中; M +表示一价阳离子。 可以提供一种化学放大的负型抗蚀剂组合物,其可以在形成图案时提高分辨率并且产生具有较少线边缘粗糙度(LER)的图案。