摘要:
The base polymer of a resist material contains a polymer compound including a first unit represented by a general formula of the following Chemical Formula 4 and a second unit represented by a general formula of the following Chemical Formula 5: wherein R1, R2 and R3 are the same or different and are a hydrogen atom, a fluorine atom, or a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20; R4 is a straight-chain alkylene group or a branched or cyclic alkylene group with a carbon number not less than 0 and not more than 20; R5 and R6 are the same or different and are a hydrogen atom, a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20, or a protecting group released by an acid; R7 is a methylene group, an oxygen atom, a sulfur atom or -SO2-; R8, R9, R10 and R11 are the same or different and are a hydrogen atom, a fluorine atom, a hydroxyl group, -0R13, CO2R13, -R2-OR13 or -R12-CO2R13, at least one of R8, R9, R10 and R11 including -OR13, -CO2R13, -R12-OR13 or -R12-CO2R13 (wherein R 2 is a straight-chain alkylene group, a branched or cyclic alkylene group or a fluoridated alkylene group with a carbon number not less than 1 and not more than 20 and R13 is a hydrogen atom, a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20, or a protecting group released by an acid); 0
摘要:
The object of the invention is to provide a porous film having the dielectric constant of 2.2 or less and having practicable mechanical strength. This invention provides a porous film-forming composition comprising (A) and (B): (A) 100 parts by weight of a hydrolyzable silicon compound and/or a product resulting from hydrolysis condensation of silicon compound expressed by following formula (1): R1aSiZ14-a (1) wherein Z1 denotes a hydrolyzable group; R1 denotes a substituted or non-substituted monovalent hydrocarbon group; and a denotes an integer of 0 to 3; and (B) 0.1 to 20 parts by weight of a cross-linking agent comprising at least one cyclic oligomer which can generate silanol group(s) by heating and which is expressed by following formula (3): {R31(H)SiO}d{R32(Z3)SiO}e (3) wherein R31 and R32 each denotes a substituted or non-substituted monovalent hydrocarbon group; Z3 denotes a group which can generate silanol by heating; and each d and e denotes an integer of 0 to 10, and a sum of d and e is greater than or equal to three.
摘要:
In a pattern formation method of this invention, a resist film is formed on a substrate and pattern exposure is performed by selectively irradiating the resist film with exposing light. Subsequently, the resist film is developed after the pattern exposure, and the developed resist film is rinsed with an aqueous solution including cyclodextrin. Thus, a fine resist pattern made of the resist film is formed without causing pattern collapse.
摘要:
As shown in FIG. 2, a multi-layer structured exposure mask 1 of this embodiment is provided with a frame 20 made of glass, a silicon plate 15 provided on an under surface of the frame 20, a heat absorption mask 16 provided on an under surface of the silicon plate 15, a silicon plate 11 provided on an under surface of the heat absorption mask 16 and a stencil mask 14 provided on an under surface of the silicon plate 11. The stencil mask 14 is made up of a silicon substrate and is provided with a slit-shaped patterning opening 14a to form a resist pattern. The heat absorption mask 16 is made up of a silicon substrate coated with an SiN film and is provided with slit-shaped openings 16a shaped in almost the same way as the patterning openings 14a of the stencil mask 14. The opening 16a is shaped in such a size that will not block electron beams necessary to form a resist pattern as shown in FIG. 3(a). That is, a size of the opening 16a is equal to a size of the patterning opening 14a or a size of the opening 16a is a little larger Furthermore, the multi-layer structured exposure mask 1 of this embodiment is provided with a large opening 20a that penetrates the frame 20 and silicon plate 15 and exposes the area of the upper surface of the heat absorption mask 16 in which the openings 16a are formed. Furthermore, the multi-layer structured exposure mask 1 of this embodiment is provided with a hollow section 11a that penetrates the silicon plate 11 and exposes the area of the under surface of the heat absorption mask 16 in which the openings 16a are formed and the area of the upper surface of the stencil mask 14 in which the patterning openings 14a are formed. In the multi-layer structured exposure mask 1 of this embodiment, the patterning openings 14a of the stencil mask 14 and the openings 16a of the heat absorption mask 16 are aligned in the horizontal direction as shown in FIG. 3(a).
摘要:
A chemically amplified resist composition comprising (A) a polymer comprising recurring units containing at least one fluorine atom, (B) a compound of formula (1) wherein R1 and R2 are H, F or alkyl or fluorinated alkyl, at least one of R1 and R2 contains at least one fluorine atom, R3 is a single bond or alkylene, R4 is a n-valent aromatic or cyclic diene group, R5 is H or C(═O)R6, R6 is H or methyl, and n is 2, 3 or 4, (C) an organic solvent, and (D) a photoacid generator is sensitive to high-energy radiation and has improved sensitivity and transparency at a wavelength of less than 200 nm.
摘要:
After pre-baking a resist film, a solvent included in the resist film is vaporized. After vaporizing the solvent included in the resist film, pattern exposure is performed by selectively irradiating the resist film with exposing light in vacuum. The resist film is developed after the pattern exposure, so as to form a resist pattern.
摘要:
A pattern formation material of this invention contains a polymer including a first unit represented by Chemical Formula 1 and a second unit represented by Chemical Formula 2, and an acid generator: wherein R1 and R2 are the same or different and selected from the group consisting of an alkyl group, a chlorine atom and an alkyl group including a chlorine atom; R3, R4, R5 and R6 are a hydrogen atom or a fluorine atom, at least one of which is a fluorine atom; and R7 is a protecting group released by an acid.
摘要翻译:本发明的图案形成材料包含含有由化学式1表示的第一单元和由化学式2表示的第二单元的聚合物和酸产生剂:其中R 1和R 2相同或不同, 选自烷基,氯原子和包含氯原子的烷基; R 3,R 4,R 5和R 6是氢原子或氟原子,其中至少一个是氟原子; R 7是被酸释放的保护基。
摘要:
The pattern formation material of this invention includes a base polymer having a unit represented by the following General Formula 1: General Formula 1: wherein R0 is an alkyl group; R1 is a group that is decomposed through irradiation of light; and R3 and R4 are the same or different and selected from the group consisting of hydrogen and compounds including hydrogen and carbon.
摘要:
An acrylic resin containing hexafluoroisopropanol units has high transmittance to VUV radiation. A resist composition using the resin as a base polymer has high transparency, substrate adhesion, alkali developability and acid-elimination capability and is suited for lithographic microprocessing.
摘要:
A resist film is formed by applying, on a semiconductor substrate, a resist material containing a base polymer including polystyrene in which hydroxyl groups are substituted for hydrogen atoms at two or more portions of a benzene ring. The resist film is irradiated with exposing light of a wavelength of a 1 nm through 180 nm band through a mask for pattern exposure, and the resist film is developed after the pattern exposure, thereby forming a resist pattern.