Abstract:
PROBLEM TO BE SOLVED: To provide a novel polysiloxane which exhibits a high transparency at a wavelength of 193 nm or lower, even at a wavelength of 157 nm or lower, and even at a wavelength of 147 nm, 134 nm, etc., and is excellent in resistance to dry etching; and a radiation-sensitive resin composition containing the polysiloxane. SOLUTION: This polysiloxane has structural units (I) and/or structural units (II) represented by formula (1) (wherein R is a fluorinated or fluoroalkylated monovalent aromatic or alicyclic group; and R is the above monovalent aromatic or alicyclic group, H, a halogen, a monovalent hydrocarbon group, a haloalkyl group or an amino group) and has acid-associable groups. The radiation-sensitive resin composition contains the polysiloxane and a radiation-sensitive acid generator.
Abstract translation:要解决的问题:即使在157nm或更低的波长,甚至在147nm,134nm等的波长下,也提供了在193nm以下的波长下显示高透明度的新型聚硅氧烷,以及 耐干蚀刻性优异; 和含有聚硅氧烷的辐射敏感性树脂组合物。 解决方案:该聚硅氧烷具有由式(1)表示的结构单元(I)和/或结构单元(II)(其中R 1是氟化或氟代烷基化的单价芳族或脂环族基团; R 2是上述一价 芳族或脂环族基团,H,卤素,一价烃基,卤代烷基或氨基),并且具有酸相关基团。 辐射敏感性树脂组合物含有聚硅氧烷和辐射敏感性酸发生剂。
Abstract:
PROBLEM TO BE SOLVED: To provide a composition having high transparency for radiation at short wavelengths, excellent solubility with a developer and excellent sensitivity, pattern profile and etching resistance. SOLUTION: The radiation-sensitive resin composition contains a resin having a functional group which increases solubility with an alkali by the effect of an acid, and a radiation-sensitive acid generating agent. The resin has a repeating unit expressed by formula (1). In formula (1), R independently represents a hydrogen atom, a 1-4C alkyl group or a 1-4C perfluoroalkyl group, R 1 represents a hydrocarbon group or an oxygen-containing hydrocarbon group, n is 0 or 1 and m is 1 or 2. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a new acid-dissociating group-containing resin and a radiation-sensitive resin composition having high transparency to a radiation, satisfying basic performances required by a resist, such as sensitivity, resolution, dry etching resistance and pattern shape, excellent in adhesiveness to a substrate, causing no development defect in microfabrication and capable of producing semiconductor devices in a high yield. SOLUTION: The acid-dissociating group-containing resin is alkali-insoluble or slightly alkali-soluble, becomes readily alkali-soluble by the action of an acid and contains a repeating unit containing an ether bond in the principal chain. The radiation-sensitive resin composition comprises the acid-dissociating group-containing resin and a radiation-sensitive acid generator. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation-sensitive resin composition useful as a chemically amplified resist having high transmittance of radiation and excelling in sensitivity, resolution, dry etching resistance and pattern profile. SOLUTION: The radiation-sensitive resin composition comprises (A) resin having at least two recurring units selected out of recurring units derived from (meta) acrylic ester having a specific alicyclic hydrocarbon group, in the total amount of 5-70 mol% but each in the amount of 1-49 mol%, the resin being insoluble or scarcely soluble in alkali, but becoming easily soluble in alkali by the action of an acid, and (B) a photoacid generator. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a (meth)acrylic polymer high in transparency to radiation, excellent in basic properties as a resist such as sensitivity, resolution, dry etching resistance, pattern form, etc. especially excellent in the solubility to a resist solvent, and suitable for a radiation-sensitive resin compound which reduces the roughness on a pattern sidewall after developing. SOLUTION: This (meth)acrylic polymer contains a repeating unit represented by formula (1) wherein R represents hydrogen or a methyl group, X represents a single bond or a 1-3C divalent organic group, Y represents a mutually independent single bond or a 1-3C divalent organic group, and R 1 represents a mutually independent hydrogen atom, a hydroxy group, a cyano group, or a -COOR 3 group. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition having high transparency to radiation, having excellent sensitivity, resolution, dry etching resistance, pattern shape, etc., and having small temperature dependence in heating after exposure. SOLUTION: The radiation sensitive resin composition contains (A) a resin comprising a copolymer of (meth)acrylic esters having an acid dissociable group- containing alicyclic structure represented by 5-t-butoxycarbonylnorbornyl (meth) acrylate and 8-t-butoxycarbonyltetracyclododecane (meth)acrylate and (meth) acrylic esters having a lactone-containing heterocyclic structure typified by compounds of formula (1) and (B) a radiation sensitive acid generating agent represented by 1-(3,5-dimethyl-4-hydroxyphenyl)tetrahydrothiophenium perfluoro-n- octanesulfonate, 1-(4-n-butoxy-1-naphthyl)tetrahydrothiophenium nonafluoro-n- butanesulfonate or the like.
Abstract:
PROBLEM TO BE SOLVED: To provide a new radiation sensitive resin composition having high transparency to radiation, having excellent basic properties as a resist, e.g. sensitivity, resolution and pattern shape, not causing development defects in microfabrication and capable of producing semiconductor devices in a high yield. SOLUTION: The radiation sensitive resin composition contains (A) an acid dissociable group-containing resin having a structure of formula (1) (where R1 is H, a monovalent acid dissociable group, an alkyl having no acid dissociable group or an alkylcarbonyl having no acid dissociable group; X1 is a 1-4C linear or branched fluoroalkyl; and R2 is H, a linear or branched alkyl or a linear or branched fluoroalkyl) and (B) a radiation sensitive acid generating agent.
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive composition being effectively responsive to various types of radiations, having excellent sensitivity and resolution, and also having excellent long-term shelf stability and useful as a positive type chemical amplification type multilayer resist. SOLUTION: The positive type radiation sensitive resin composition for the upper layer resist of a multilayer resist contains (A) a low molecular compound obtained by preparing a compound having at least one amino group with one or two hydrogen atoms combining with a nitrogen atom and substituting a t-butoxycarbonyl group for one or more of the hydrogen atoms of the amino group, (B) a radiation sensitive acid generating agent and (C) an alkali- insoluble or slightly alkali-soluble silicon-containing resin protected with an acid dissociable group and convertible to an alkali-soluble resin when the acid dissociable group is dissociated.
Abstract:
PROBLEM TO BE SOLVED: To provide a new radiation sensitive resin composition having high transparency to radiation, excellent in basic physical properties as a resist such as sensitivity, resolution and pattern shape, not causing development defects in microfabrication and capable of producing a semiconductor device in a high yield. SOLUTION: The radiation sensitive resin composition contains (A) a resin having at least one heterocyclic structure of formula (1) (where R1 is H, a 1-6C linear, branched or cyclic alkyl, a 1-6C linear, branched or cyclic alkoxy or a 2-7C linear, branched or cyclic alkoxycarbonyl) in a side chain and (B) a radiation sensitive acid generating agent.
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject copolymer having alicyclic groups and acid- cleavable polar organic groups, having high radiation penetrability, excellent dry etching resistance, excellent adhesivity, etc., and useful for optical materials, electronic materials, etc. SOLUTION: This polar norbornene derivative/maleic anhydride copolymer comprises repeating units of formula I (X and Y are each H or a 4-20C acid- cleavable organic group; A and B are each H or a 1-4C alkyl) preferably in an amount of 60-40 mol.% and repeating units of formula II preferably in an amount of 40-60 mol.%, and has a polystyrene-converted weight-average mol.wt. of 1,000-1,000,000. The copolymer is obtained by radically copolymerizing at least one kind of norbornene derivative of formula III [for example, 8-t- butoxycarbonyltetracyclo(4.4.0.1 , .1 , )dodeca-3-ene] with maleic anhydride and, if necessary, one or more other copolymerizable unsaturated compound [for example, bicyclo(2.2.1)hept-2-enel.