摘要:
Positive as well as negative radiation sensitive resin compositions that, in addition to being capable of providing excellent resolution and pattern profile, are particularly excellent in avoiding the problems of "nano-edge roughness" or "coating surface roughness". The positive type radiation sensitive resin composition comprises (A) (a) an acid-decomposable group-containing resin, or (b) an alkali-soluble resin and an alkali dissolution controller, and (B) a photoacid generator comprising "a compound that upon exposure to radiation generates a carboxylic acid having a boiling point of 150.degree. C. or higher", and "a compound that upon exposure to radiation generates an acid other than a carboxylic acid". The negative type radiation sensitive resin composition comprises (C) an alkali-soluble resin, (D) a cross-linking agent, and the component (B) as described above.
摘要:
A radiation sensitive resin composition useful as a chemically amplified positive tone resist is provided. The composition comprises (A) a copolymer which becomes soluble in an alkali developing solution by the action of an acid, the copolymer containing a recurring unit (I) having a structure which is decomposed by the action of an acid and increases the solubility in an alkaline developing solution and a recurring unit(II) obtained from a compound having at least two (meth)acryloyl groups in the molecule by the cleavage of the carbon-carbon double bond, and (B) a photoacid generator which produces an acid on being irradiated by a radiation. The composition exhibits high resolution, superb capability of producing superior pattern forms, and excellent resistance to PED, and high process stability, is affected by a standing wave only to a minimum extent, and possessed prominent heat resistance.
摘要:
A radiation-sensitive resin composition comprising (A) a copolymer which comprises (a) a repeating unit (I) formed by cleavage of a carbon--carbon double bond of a monomer having one polymerizable carbon--carbon double bond and (b) a repeating unit (II) formed by cleavage of a carbon--carbon double bond of a monomer having two or more polymerizable carbon--carbon double bonds and at least one divalent group decomposed by an acid of the following formulas (1) or (2), ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are an alkyl group having 1-5 carbon atoms or an aryl group having 6-14 carbon atoms individually, said monomer having a structure in which each carbon--carbon double bond combines via said divalent group, and (B) a photoacid generator. The radiation-sensitive resin composition exhibits excellent sensitivity and resolution, fewer effect from the swing curves, excellent pattern profile, and superior heat resistance, high sensitivity to ultraviolet rays, far ultraviolet rays, X-rays, and various types of radiation such as charged particle rays, and is useful as a chemically amplified positive tone resist used in the manufacture of integrated circuit devices.
摘要:
A radiation sensitive resin composition comprising (A) a copolymer possessing recurring units of the formulas (1), (2), and (3), which turns alkali soluble in the presence of acid and (B) a photosensitive acid generator. Because the composition can resolve line-and-space patterns, isolated patterns, and contact hole patterns with satisfactory appearance and high resolution, it is useful as a chemically amplified positive resist for use in the manufacture of semiconductor devices.
摘要:
A positive-tone or negative-tone radiation sensitive resin composition which allows easy preparation of a resist, exhibits superior storage stability, high sensitivity, and high resolution capability, and is capable of producing excellent resist patterns. The positive-tone type composition comprises (A) a disulfonylmethane derivative in which the main chain with two sulfonyl groups bonded forms a three to eleven member cyclic carbon structure and (B) (a) a resin protected by an acid decomposable group or (b) an alkali-soluble resin and an alkali-solubility control agent. The negative-tone type composition comprises the component (A), (C) an alkali-soluble resin, and (D) a cross-linking agent.
摘要:
A novel diazodisulfone compound capable of generating acid having high sensitivity to far ultraviolet rays typified by a KrF excimer laser and the like and capable of providing a resist with superior resolution and patterns when used as a photoacid generator for a chemically amplified resist, and a radiation-sensitive resin composition comprising the diazodisulfone compound. The diazodisulfone compound is represented by the following formulas (1) and (2). ##STR1## The radiation-sensitive resin composition comprises the diazodisulfone compound and resin represented by 4-hydroxystyrene/4-(1'-ethoxyethoxy)styrene copolymer.
摘要:
A reflection-preventing film-forming composition including a copolymer having structural units represented by the following general formulas (1) and (2) and a solvent: wherein R1 represents a hydrogen atom, a halogen atom, a hydrocarbon group, etc.; R2 represents a hydrogen atom or a methyl group; and m represents an integer of 1 to 9; wherein R3 represents a hydrogen atom or a methyl group, and R4 represents a hydrogen atom or an organic group. Reflection-preventing films formed of this composition have a high reflection-preventing effect, may cause no intermixing with the resist, have a high etching rate and also can form a resist pattern having superior resolution and precision.
摘要:
A radiation-sensitive resin composition including an alkali soluble resin and a quinonediazide compound is provided. The quinonediazide compound has the formula (1), for example: ##STR1## wherein, R.sup.1 to R.sup.6 are an alkyl, cycloalkyl or aryl group; a and b are an integer of 1 to 3; D.sup.1 and D.sup.2 are independently a hydrogen atom or a 1,2-quinonediazidosulfonyl group, provided that at least one of D.sup.1 is a 1,2-quinonediazidosulfonyl group; A is a bonding such as single bond; and x and y are an integer of 0 to 2. The composition is suitable as a positive resist, which effectively restrains the occurrence of scum, and excellent in developability, pattern shape, sensitivity, resolution and focus latitude.
摘要:
A rubber composition consisting essentially of 5-99 parts by weight of a thermosetting resin and 94-1 parts by weight of one of the following functional rubber-like copolymers (I) to (III) having a Mooney viscosity ML.sub.1+4.sup.100 of 20-120:(I) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 15-50% by weight of acrylonitrile and 40-80% by weight of butadiene and/or isoprene as monomer units constituting the polymer,(II) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 40-99% by weight of an alkyl (meth)acrylate and/or an alkoxyalkyl (meth)acrylate and 0-30% by weight of monomers copolymerizable therewith other than butadiene and isoprene, as the monomer units constituting the polymer, and(III) a functional rubber-like copolymer consisting of 1-20% by weight of a monomer having epoxy groups, hydroxyl groups or amino groups, 15-50% by weight of acrylonitrile, 20-60% by weight of butadiene and/or isoprene and 5-65% by weight of an alkyl (meth)acrylate and/or an alkoxy (meth)acrylate as the monomer units constituting the polymer.Said functional rubber copolymer may include 10% by weight or less of a polyfunctional monomer as a monomer unit constituting the polymer. In this case, the ratio of the thermosetting resin to the functional rubber-like copolymer is 50-99 parts by weight of the former to 1-50 parts by weight of the latter.
摘要:
Disclosed is a positive photosensitive insulating resin composition which comprises: (A) a copolymer comprising (A1) 10 to 99 mol % of a structural unit of the formula (1) and (A2) 90 to 1 mol % of a structural unit of the formula (2); (B) a quinone diazide group-containing compound; (C) at least one compound selected from the group consisting of (C1) an aromatic compound containing a methylol group and/or an alkoxy methyl group (except for aromatic compounds containing an amino group), (C2) an aromatic aldehyde compound, (C3) an aliphatic aldehyde compound, (C4) an alkyl-etherified amino group-containing compound and (C5) an epoxy group-containing compound; (D) a solvent; and (E) an adhesion assistant. Disclosed also is a cured product obtainable from the composition. wherein Ra and Rb are each an alkyl group having 1 to 4 carbon atoms, alkoxy group or aryl group, Rb and Rc are each hydrogen or a methyl group, n is an integer of 0 to 3 and m is an integer of 1 to 3. The cured product has excellent resolution, electrical insulating properties, thermal shock resistance, adhesion and other properties.