摘要:
A novel method for preparing an epoxy compound is disclosed which comprises the step of reacting an olefin compound having 4 to 16 carbon atoms with an organic hydroperoxide in an inactive solvent in the presence of a molybdenum compound and at least one metal halide selected from the group consisting of halides of alkali metals and alkaline earth metals, in order to form the corresponding epoxy compound. Typical examples of the aforesaid metal halide include sodium chloride, potassium iodide, sodium bromide and barium chloride. According to the present invention, the epoxy compound having 4 to 16 carbon atoms can be prepared in an extremely high yield.
摘要:
The resist polymer of the present invention comprises a specific constitutional unit having a cyano group, a constitutional unit having an acid-dissociable group, and a specific constitutional unit having a lactone skeleton. When the above polymer is used as a resist resin in DUV excimer laser lithography or electron beam lithography, it exhibits high sensitivity and high resolution, and provides a good resist pattern shape, having a small degree of occurrence of line edge roughness or generation of microgels.
摘要:
A positive resist composition that includes a resin component (A) that exhibits increased alkali solubility under action of acid, and an acid generator component (B) that generates acid on exposure, wherein the component (A) is a copolymer (A1) that includes a structural unit (a1) derived from an acrylate that contains an acid dissociable, dissolution inhibiting group, a structural unit (a2) derived from an α-lower alkyl acrylate that contains a lactone ring, and a structural unit (a3) derived from an (α-lower alkyl)acrylate that contains a polar group-containing polycyclic group.
摘要:
A positive resist composition including a resin component (A1) having a structural unit (a1) derived from an acrylate ester which may have an atom other than hydrogen or a group bonded to the carbon atom on the α position and containing an acid dissociable, dissolution inhibiting group, and a structural unit (a0) containing an —SO2— containing cyclic group; a compound (C1) represented by general formula (c1) shown below; and an acid-generator component (B) which generates acid upon exposure, wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; Y1 represents a divalent aliphatic hydrocarbon group; R1 represents a hydrogen atom, a fluorine atom, an alkyl group or a fluorinated alkyl group; p represents an integer of 1 to 10; and A+ represents an organic cation.
摘要:
A method for producing a resist composition including a resin component (A) that exhibits changed alkali solubility under the action of acid and an acid generator component (B) that generates acid upon exposure, the method including the steps of: obtaining the component (A) by mixing a plurality of copolymers, which are composed of the same structural units but have mutually different measured values for the contact angle.
摘要:
A resist composition is provided that yields fine resolution, and improved levels of line edge roughness and depth of focus. This composition includes a resin component (A) that undergoes a change in alkali solubility under the action of acid, and an acid generator component (B) that generates acid on exposure, wherein the component (A) is a resin with a weight average molecular weight of no more than 8,000 containing structural units (a) derived from a (meth)acrylate ester, and the component (B) includes at least one sulfonium compound represented by a general formula (b-1) or a general formula (b-2) shown below.
摘要:
A positive resist composition and method of forming a resist pattern are provided which enable formation of a resist pattern having excellent shape with reduced LWR.The positive resist composition includes a resin component (A) which exhibits increased alkali solubility under action of acid and an acid-generator component (B) which generates acid upon irradiation, the resin component (A) having a structural unit (a1) which has an acetal-type protection group, and the acid-generator component (B) including an acid generator (B1) having a cation moiety represented by general formula (b-5) shown below: wherein Ra and Rb each independently represents an alkyl group, an alkoxy group, a halogen atom or a hydroxyl group; Rc represents an aryl group or alkyl group which may or may not have a substituent; and n′ and n″ each independently represents an integer of 0 to 3.
摘要:
A positive resist composition including a resin component (A) which exhibits increased alkali solubility under action of acid and an acid-generator component (B) which generates acid upon exposure, the resin component (A) including a structural unit (a0-1) represented by general formula (a0-1) shown below and a structural unit (a0-2) represented by general formula (a0-2) shown below: wherein: R represents a hydrogen atom, a halogen atom, a lower alkyl group or a halogenated lower alkyl group; each of Y1 and Y3 independently represents an aliphatic cyclic group; Z represents a tertiary alkyl group-containing group or an alkoxyalkyl group; a represents an integer of 1 to 3, and b represents an integer of 0 to 2, such that a+b=1 to 3; each of c, d and e independently represents an integer of 0 to 3; each of g and h independently represents an integer of 0 to 3; and i represents an integer of 1 to 3.
摘要翻译:包含在酸作用下表现出增加的碱溶性的树脂组分(A)和暴露时产生酸的酸产生剂组分(B)的正型抗蚀剂组合物,包括结构单元(a0-1)的树脂组分(A) 由下述通式(a0-1)表示的结构单元(a0-2)和下述通式(a0-2)表示的结构单元(a0-2)表示:其中:R表示氢原子,卤素原子,低级烷基或 卤代低级烷基; Y 1和Y 3各自独立地表示脂族环基; Z表示含叔烷基的基团或烷氧基烷基; a表示1〜3的整数,b表示0〜2的整数,a + b = 1〜3。 c,d和e各自独立地表示0〜3的整数, g和h各自独立地表示0〜3的整数, i表示1〜3的整数。
摘要:
A positive resist composition including a resin component (A) which exhibits increased alkali solubility under action of acid and an acid-generator component (B) which generates acid upon exposure, the resin component (A) including a structural unit (a0) represented by general formula (a0) shown below and a structural unit (a1) derived from an acrylate ester having a polycyclic group-containing, acid dissociable, dissolution inhibiting group of a tertiary alkyl ester-type: wherein: R represents a hydrogen atom, a halogen atom, a lower alkyl group or a halogenated lower alkyl group; Y1 represents an aliphatic cyclic group; Z represents a tertiary alkyl group-containing group; a represents an integer of 1 to 3, and b represents an integer of 0 to 2, such that a+b 1 to 3; and each of c, d and e independently represents an integer of 0 to 3.
摘要翻译:一种正型抗蚀剂组合物,其包含在酸作用下表现出增加的碱溶性的树脂组分(A)和暴露时产生酸的酸产生剂组分(B),所述树脂组分(A)包含由 由下述通式(a0)表示的结构单元(a1)和由具有含多环基团的酸解离性溶解抑制基团的叔烷基酯型的丙烯酸酯衍生的结构单元(a1):其中:R表示氢原子,卤素 原子,低级烷基或卤代低级烷基; Y1表示脂肪族环状基团; Z表示含叔烷基的基团; a表示1〜3的整数,b表示0〜2的整数,a + b 1〜3; c,d和e各自独立地表示0〜3的整数。
摘要:
A positive resist composition comprising (A) a resin component and (B) an acid generator component, wherein the component (A) is a copolymer which comprises constituent units (a1) derived from a mono(α-lower alkyl)acrylate having an acid-dissociable dissolution-inhibiting group, constituent units (b1) derived from a mono α-lower alkyl)acrylate having a lactone ring, and constituent units (c1) derived from a poly(α-lower alkyl)acrylate; and a positive resist composition comprising (A) a resin component and (B) an acid generator component, wherein the component (A) is a star polymer having a core containing acid-dissociable dissolution-inhibiting groups and arms bonded to the core.