WO2006112062A1 - 樹脂型及びそれを用いた成形体の製造方法 - Google Patents
樹脂型及びそれを用いた成形体の製造方法 Download PDFInfo
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- WO2006112062A1 WO2006112062A1 PCT/JP2005/018508 JP2005018508W WO2006112062A1 WO 2006112062 A1 WO2006112062 A1 WO 2006112062A1 JP 2005018508 W JP2005018508 W JP 2005018508W WO 2006112062 A1 WO2006112062 A1 WO 2006112062A1
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- resin
- resin mold
- mold
- meth
- acrylate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
Definitions
- the present invention relates to a resin for optical nanoimprint lithography and a method for producing a molded body using the resin. More specifically, optical nanoimprint lithography can be used to produce a molded product having a concave and convex pattern of a nanometer level on the surface, which is used in the field of semiconductor distribution, flat panel display, and the like.
- the present invention relates to a resin mold having good agility and a method for producing the molded article with high productivity by transferring a concavo-convex pattern by optical nanoimprint lithography using this resin mold. Background
- photolithography S # i has been used as a microfabrication technology in the semiconductor flat panel display field.
- the photosensitive resist yarn JJ3 ⁇ 4 is first applied to the surface of a substrate such as a silicon wafer, a glass substrate, or a support such as a resin film or metal foil, by spraying, roll coating, spin coating, etc. Apply by various methods.
- a resist film is obtained, and then a direct image is drawn using the power of exposure to exposure to an i3 ⁇ 4 ⁇ ray through a mask or using an electron beam, and the resist film is represented by a tree. A pattern is formed.
- the resist film is processed as necessary, it is removed with a developing solution, thereby revealing (developing) the wrinkle pattern and shaping the resist pattern.
- a rinse process is performed to remove unnecessary deposits remaining on the reverse side of the ship 15 after appreciation.
- the resist pattern formed on the substrate in this way is subjected to a post-bake treatment if necessary.
- the photolithographic technique requires such a drought process, is complicated in operation, and requires a large-scale and expensive apparatus force S.
- a nanoimprint lithography model has been proposed as a new technique to replace such a photolithography pattern formation method (see, for example, Patent Documents 1 and 2).
- This nanoimprint lithography is large and expensive like photolithography. It is a technology that can easily perform nanometer-level pattern formation force S without using an apparatus.
- a master plate having a highly accurate uneven pattern a sample is prepared, and for example, this master plate has an image layer coated with a resist film such as polymethyl methacrylate, which is displayed at a glass ⁇ point or higher).
- optical nanoimprint lithography that presses the original plate against S «with an enlarging layer and irradiates ultraviolet light from the upper surface of the original plate to cure the photocurable resin to transfer the concave / convex pattern of the original plate and then peel off the original J3 ⁇ 4.
- this optical nanoimprint lithography can be operated at room temperature, it has the advantage that the position accuracy is not lowered due to the thermal stress of the original plate or the transferred plate like fflt's own thermal nanoimprint lithography. ing.
- Patent Document 1 US Patent No. 5 7 7 2 9 0 5 Specification
- Patent Document 2 Japanese Patent Laid-Open No. 2 0 0 0-2 3 2 0 9 5 Disclosure of Invention
- the present invention is used to produce a separation body having nanometer level irregularities on the surface, which is used in the field of semiconductor partition flat panel displays, etc., by the optical nanoimprint lithography method.
- the present inventor has conducted extensive research in order to fulfill the purpose of selfishness. It has been found that the purpose can be achieved by using a molding material containing a thermoplastic resin, such as ⁇ ⁇ ⁇ thermoplastic resin, halogen alicyclic i ⁇ ⁇ thermoplastic resin, as a material for sography. In addition, by allowing fluorine gas to flow on the surface of the resin mold using Ml self-molding material, transferability does not deteriorate even when the resin mold is reused, and a good molded body can be obtained. I found. Based on these findings, the present invention has been achieved.
- a thermoplastic resin such as ⁇ ⁇ ⁇ thermoplastic resin, halogen alicyclic i ⁇ ⁇ thermoplastic resin
- the resin mold used for transferring the concavo-convex pattern to the surface of the molded product comprising a non-polar ring, a thermoplastic resin, and Halogen-containing alicyclic ring ⁇ ⁇ Resin mold with paste as a material consisting of j »material containing at least one selected from thermoplastic thermoplastics,
- At least one selected from plastic resins is a ring-opened (co) polymer hydrogenated carolate of a cyclic olefin monomer.
- a concavo-convex pattern can be transferred to the neon copy layer provided on the fiber by the optical nanoimprint lithography method using the resin molds described in the above (1) to (3), and the displacement force.
- the above resin mold is pressed against the photo-curing resin material layer provided on the surface as a mirror layer, and the above-mentioned (1) to (3), and the resin mold side is activated. After the male is irradiated to harden the self-photocurable resin material layer, the mold is peeled off from the resin mold.
- FIG. 1 is a production process diagram of an example for explaining the method for producing a molded article of the present invention.
- reference numeral 1 is S3 ⁇ 4, 2, 2a and 2b are photocurable resin material layers, 3 is a resin mold, and 10 is a molded body.
- the resin mold of the present invention is a mold made of a molding material containing at least one selected from the group consisting of a ⁇ -ring i3 ⁇ 4t thermoplastic resin and a halogen-containing alicyclic thermoplastic resin, and has a concavo-convex pattern on the surface.
- a ⁇ -ring i3 ⁇ 4t thermoplastic resin and a halogen-containing alicyclic thermoplastic resin and has a concavo-convex pattern on the surface.
- it is used for transferring a concavo-convex pattern onto the surface of the molded article.
- an alicyclic thermoplastic resin containing a functional resin and Z or halogen is used as the material constituting the development material.
- raw is a needle that does not have any extreme wrinkles in the molecule.
- This extreme is an atomic group containing an atom having a non-spinning electron pair, and can be divided into, for example, a protic extreme pole and another extreme (aprotic extreme pole).
- the protic pole is an atomic group in which hydrogen atoms are directly bonded to heteroatoms, specifically, atoms in the 2nd and 3rd periods of groups 16 and 15 of period 3 ⁇ 4.
- protic electrode '14 3 ⁇ 4 examples include a carboxyl group (hydroxycarbonyl group), a sulfone group, a phosphorus group, a polar group having a hydroxyl-bonded atom; the “f” amino group, the second amino group, ⁇ Pole having nitrogen atom such as amide group, secondary amide group (imide group), etc .; Pole having thio group such as thio group;
- aprotic polar group examples include an ester group (referred to generically as an alkoxycarbonyl group and an aryloxycarbonyl group;), a ⁇ -substituted imide group, an epoxy group, a cyano group, and a carbonyloxycarbonyl group. (An acid anhydride residue of dicarboxylic acid), an alkoxy group, a carbonino group, a HI-amino group, a sulfone group, an acryloyl group, and the like are shown.
- the halogen atom is usually A in the aprotic electrode, but in the present invention, a halogen-containing alicyclic thermoplastic resin can be used.
- the ring used in the present invention is a ring thermoplastic resin ⁇ halogen alicyclic 3 ⁇ 4t ⁇ : ⁇ 3 ⁇ 4B
- a plastic resin is a polymer having a structural unit derived from a cyclic olefin monomer such as norporene forging. It may have structural units derived from monomers other than monomers.
- Alicyclic ⁇ Thermoplastic resin is a ring-opening (co) polymer of cyclic olefin monomer, addition copolymerization of cyclic olefin and bicycloaliphatic hydrogen monomer or vinyl aromatic hydrocarbon monomer
- the alicyclic and thermo-plastic resin is composed of a vinyl alicyclic monomer (an aliphatic monomer having a bur group as a substituent).
- Hydrogen hydrogen craft polymers and copolymers, and copolymers with other monomers, these hydrogenated products, Vinino « ⁇
- the concept includes hydrogenated products of copolymers with monomers Further, these polymers may be either ring-opened polymers or dimensionally added polymers.
- ring-opening (co) polymers of cyclic olefin monomers and their hydrogenated carotenates, cyclic olefin monomers and bull alicyclic monomers Mer or bieno fragrance ring-opening (co) polymers of cyclic olefin monomers and their hydrogenated carotenates, cyclic olefin monomers and bull alicyclic monomers Mer or bieno fragrance; ⁇ i is preferably an addition copolymer with an elemental monomer and its hydrogen ⁇ ] product, and a hydrogenated product of a polymer of a vinylo ⁇ 3 ⁇ 4 ⁇ iteK monomer, particularly A ring-opening (co) heavy ⁇ ⁇ book of hydrogenated cyclic olefin monomers is preferred.
- a cyclic olefin monomer for obtaining a thermoplastic resin there can be mentioned a olefin monomer having no tijfs electrode and a cyclic olefin monomer.
- Specific examples include bicyclo [2. 2. 1] hep-2-one (common name: norbornene), 5-ethyl bisulfite [2. 2. 1] hept-2-ene, 5-butyl. 1-bicyclo [2. 2. 1] hept-2-ene, 5-ethylidenebicyclo [2. 2, 1] hept-2-en, 5-methylidene-bicyclo [2. 2. 1] hept 1-2-ene, 5 carb-bicyclo [2. 2.
- the polar olefin monomer having no self I4S, the cyclic olefin monomer or the cyclic olefin monomer containing a halogen atom may be used alone, or two or more kinds may be used. You can use it in combination, but among these, norbornene is preferred.
- vinyl alicyclic monomer examples include bursic alcohols such as vinylcyclopropane, vinylcyclobutane, vinylcyclopentane, bicyclohexane, vinylcycloheptane, etc .; 3-methyl-1- 1-vinyl Methyl hexane, 4-methyl-1- 1-bulucic hexane, 1-phenyl-2-bulucyclopropane, 1,1-diphenyl-2-bulucic propane, etc. Etc.
- bursic alcohols such as vinylcyclopropane, vinylcyclobutane, vinylcyclopentane, bicyclohexane, vinylcycloheptane, etc .
- 3-methyl-1- 1-vinyl Methyl hexane 4-methyl-1- 1-bulucic hexane, 1-phenyl-2-bulucyclopropane, 1,1-diphenyl-2-bulucic propane, etc. Etc.
- vinylohydrocarbon monomers examples include styrene, 1-vinylenonaphthalene, 2-vinyl-naphthalene, 3-vinyl naphthalene and other vinylo compounds; 3-methylenostyrene, 4-propyl styrene, 4-vinyl styrene, 4-dodecinole styrene, 2-ethynole styrene, 4-benzeno styrene, 4- (vinyl butyl styrene) styrene and other vinyloyl group-substituted vinyl odors l; m-di-benzene, p- And polyfunctional vinylo such as dibutenebenzene and bis (4-vininorefinole) methane.
- styrene 1-vinylenonaphthalene
- 2-vinyl-naphthalene 3-vinyl naphthalene and other vinylo compounds
- chain olefin Another example of a metabolic sequence of monomers copolymerizable with cyclic olefin is chain olefin.
- chain olefins include: ethylene; propylene, 1-butene, pentene, 1-hexene, 3-methylolene 1-butene, 3-methinole 1-pentene, 3-ethyl 1-pentene, 4- Methyl 1-pentene, 4-Methinore 1-Hexene, 4, 4-Dimethinore 1 1-hexene, 4, 4-Dimethinore 1 1-pentene, 4-Ethinore 1 1-Hexe Emissions, 3- Echiru 1- hexene, 1-Okuten, 1 Desen, 1-dodecene, 1-tetra decene, to 1 one Kisadesen, 1 Okutadesen, alpha Orefuin having 2 to 20 carbon atoms such as 1_ eicosene; 1, 4 Non-genetics such as
- a conventional method may be used.
- a ring-opening polymerization / addition polymerization method is employed.
- a metal woven book such as molybdenum, ruthenium, or osmium is preferably used.
- These butterflies can be used as warworms or as a combination of two or more species.
- the amount of butterfly ⁇ is the molar ratio of ⁇ S compound in the butterfly: cyclic olefin, usually 1: 100 to 1: 2,000, 000, preferably 1: 500 to 1: 1,000, 000, More preferably, it is in the range of 1: 1,000 to 1: 500,000.
- the ring-shaped olefin resin obtained by the above polymerization may be hydrogenated as necessary. Hydrogenation is usually carried out using a hydrogenated horn butterfly.
- a hydrogenated horn butterfly As the 7k element-added catalyst, for example, those generally used for hydrogenation of olefin compounds can be used. Specifically, Ziegler-type uniform angle ⁇ , noble complex angle ⁇ , and noble angle ⁇ isometric forces can be used.
- these hydrogenated horn butterflies rhodium, norrenium and other noble complex horns are preferred, and electron W "high, nitrogen-containing heterocyclic carbene compounds or phosphines coordinated ruthenium horns. Especially preferred.
- the weight average molecular weight (Mw) of the alicyclic structure-containing thermoplastic resin is usually 1,000 to 1,000,000, preferably 1,500 to 100,000, more preferably 2,000 to 10,10. The range is 000.
- the molecular * fabric of this thermoplastic resin has a weight average molecular * number average molecular weight (MwZMn) ratio of usually 4 or less, preferably 3 or less, more preferably 2.5 or less.
- weight average molecular weight (Mw) and number average molecular weight (Mw) are measured in terms of polyisoprene measured by gel permeation chromatography (GPC) using cyclohexane (or toluene) as a solvent.
- GPC gel permeation chromatography
- toluene is used as the value, it is a value in terms of polystyrene.
- the glass ring a3 ⁇ 4 (Tg) of the alicyclic mechanical plastic resin used in the present invention is suitable according to the purpose of use: it may be scaled, but is usually 50 to 400 ° C, preferably 70 to 350 ° C. Good The range is preferably from 90 to 300 ° C. If the T g of the resin is in the above range of S, the resulting resin mold has good durability and moldability.
- the maleolate flow rate of the alicyclic thermoplastic resin (measured in accordance with JISK 7 2 1 0 except that the test load was 2880 ° C and the test load was 2 1.18 N. ) Is usually:! To lOO gZlO, preferably 2 to 70 gZlO, more preferably 3 to 50 gZ l 0 minutes.
- the development material used in the resin mold of the present invention can contain various supplementary calo ingredients as desired in addition to the ftifS alicyclic thermoplastic resin.
- these various components include 3 ⁇ 4 ⁇ IJ and other polymers, as well as antioxidants, heat-resistant U, light-resistant stabilizers, UV-p and condensing
- Fujimi Seiki IJ is used for the purpose of further improving the paintability between the resin mold and the cured product of the photo-curing resin material.
- fatty acid conductors such as lunar fatty acids, fatty acid amides, lunar fatty acid esters, lunar fatty acid ketones, and lunar fatty alcohols; 3 ⁇ 45-minute esterification, ⁇ planar alcoholic derivatives such as partial etherification of planar alcohols.
- fatty acid esters such as stearyl stearate, trimellitic acid trianolenole, ⁇ -butyl stearate; 1-esterification of fatty acid such as 2-hydroxystearic acid triglyceride and surface alcohol ⁇ ; behenine ⁇ noglyceride, stearin ⁇ Fatty acid such as noglyceride, pentaerythritol / resistate, pentaerythritol monostearate, polyglycerin stearate and partial ester compound of alkanole; partial ether compound of alcoholic compound such as polyglycerin nouryl ether , Stearyl stearate, behenine ⁇ noglyceride, 12-hydroxystearic acid triglyceride, trimellitic acid trianolenoquinole (C 9), pentaerythritol distearate, Such as Li glycerin Bruno loose phenyl ether is more preferred.
- the amount of « ⁇ is alicyclic in terms of resin type concealment ⁇ 3 ⁇ 41 « ⁇ daughter balance, etc. Structure: 0.01 to 10 parts by weight, usually 0.0 1 to 10 parts by weight, preferably 0.05 to 5 parts by weight, more preferably 0. ⁇ 3 parts by weight.
- Examples of other polymers include “soft polymers” and “other resins”.
- soft polymer glass usually below 30 ° C! ⁇
- Tg force S is the lowest T
- Tm melting point
- soft polymers examples include: (a) olefin-based soft polymers composed mainly of ⁇ -olefin such as ethylene and propylene, (b) isobutylene-based soft polymers composed mainly of isobutylene, and (c) butadiene.
- Gen-based soft polymer mainly composed of Gen
- Kenji (a) includes, for example, liquid insects such as liquid polyethylene, atactic polypropylene, 1-butene, 1-buteno, 1-butene, 1-hexene, 1-octene and 1-decene;
- liquid insects such as liquid polyethylene, atactic polypropylene, 1-butene, 1-buteno, 1-butene, 1-hexene, 1-octene and 1-decene;
- ethylene ⁇ ⁇ -olefin copolymer propylene 'a-olefin copolymer, ethylene ⁇ propylene ⁇ gen copolymer (EP DM), ethylene ⁇ cyclic olefin copolymer and ethylene ⁇ propylene ⁇ styrene copolymer
- EP DM ethylene ⁇ cyclic olefin copolymer
- ethylene ⁇ propylene ⁇ styrene copolymer A copolymer is mentioned.
- Examples of (b) include polyisobutylene, isobutylene isoprene rubber, and isobutylene / styrene copolymer.
- (c) includes, for example, homopolymers of conjugated diene such as polybutadiene and polyisoprene; butadiene ⁇ styrene random copolymer, isoprene ⁇ styrene random copolymer, phthalonitrile.
- butadiene copolymer attalononitrile butadiene and butadiene Copolymer hydrogenation, random copolymers of acrylonitrile such as acrylonitrile butadiene styrene copolymer; butadiene ⁇ styrene ⁇ block copolymer, styrene ⁇ butadiene ⁇ styrene ⁇ block copolymer, isoprene ⁇ styrene ⁇ Block copolymers, block copolymers of conjugated genes such as styrene, isoprene, styrene, block copolymers, and aromatic bur-based hydrocarbons, and hydrogenated products thereof.
- acrylonitrile such as acrylonitrile butadiene styrene copolymer
- butadiene ⁇ styrene ⁇ block copolymer styrene ⁇ butadiene ⁇ styrene
- Examples of (d) include silicone rubbers such as dimethylenopolysiloxane, diphenylenopolysiloxane, and dihydroxypolysiloxane.
- (e) includes, for example, poly (butyl acrylate), poly (butyl methacrylate), poly (hydroxide), polyacrylonitrile, poly (acrylonitrile) and other acryl monomer monomers; butyl acrylate / styrene copolymer And a copolymer of an acrylic monomer and other monomers.
- polyester alcohols such as poly (bull alcohol), poly (vinyl acetate), poly (vinyl stearate), poly (benzoic acid) vinyl, poly (maleic acid), etc .;
- copolymers of (esterified) unsaturated alcoholone such as coalescence with other monomers.
- Examples of (g) include polyethylene oxide, polypropylene oxide, epichloronohydrin rubber, and the like.
- Examples of '(h) include vinylidene fluoride rubber, tetrafluorinated styrene-propylene rubber, and the like.
- Examples of (i) include, but are not limited to, rubbers, polypeptides, proteins, and polyester thermoplastic elastomers, vinyl chloride thermoplastic elastomers, polyamide thermoplastics, and so on. Examples include elastomers.
- These soft * unions may have a cross-over structure or may have a functional group introduced by modification.
- the soft composites (a), (b) and (c) are particularly excellent in rubber elasticity among the above-mentioned intense composites. This is preferred because it is excellent in flexibility, flexibility and O3 ⁇ 4Sf mouth property.
- the gen-based soft polymer (c) is preferable.
- the carbon-carbon carbon-free carbon-added carbon of the ⁇ -gen-bonded unit is added. More preferred.
- Such a soft polymer include, for example, a hydrogenated product of a homopolymer such as polybutadiene, a hydrogenated product of a random copolymer such as butadiene'styrene copolymer; a butadiene / styrene block copolymer Styrene / butadiene / styrene block copolymer, hydrogenated block copolymer such as isoprene / styrene block copolymer, styrene / isoprene / styrene / block copolymer, etc. .
- the “other resins” are resins other than the above-described resins that do not have a protic polar group, such as, for example, polyethylene, high-density polyethylene, cocoon-polyethylene, ultra-low density.
- these other polymers can be used alone or in combination of two or more.
- the blending ratio of the other polymer is usually not more than 100 parts by weight, preferably not more than 70 parts by weight, more preferably 50 parts by weight with respect to 100 parts by weight of m ⁇ M ⁇ plastic '14 resin.
- the lower limit is 0 part by weight.
- each ⁇ additive is dissolved in an appropriate solvent and moved into an alicyclic thermoplastic resin solution, and then removed.
- an alicyclic plastic resin containing additive components or a method in which the alicyclic plastic resin is melted with a mixer, twin-screw kneader, roll, brabender, press, etc. Is mentioned.
- the resin mold of the present invention is a mold made of a self-molding material and used for transferring a concavo-convex pattern on the surface of a molded body by an optical nanoimprint lithography method. Force S is provided. A photocurable material layer provided on the fiber is used as the material of the molded body on which the uneven pattern is transferred on the surface.
- the molding material used for the resin mold has a 3 ⁇ 4i ratio of 90% or more at all wavelengths in the wavelength range of 300 to 500 nm of the thickest portion.
- the photocurable resin material layer can be easily cured by irradiating the photocurable resin material layer with ultraviolet rays through a resin mold.
- the light transmission rate of the molding material at wavelengths of 300 to 500 nm is in accordance with JISK 7 3 6 1-1 according to Nippon Denshoku Cereal Turbidimeter “NDH-3 0
- the resin mold according to the present invention is obtained by using, for example, injection molding, press molding, injection blow molding, multilayer blow molding, connection blow molding, double wall blow molding, stretch blow molding, vacuum forming. It can be made by molding by a molding method such as a shape. Among these molding methods, the injection molding method and the press molding method are preferable because they can reduce the in-plane variation of the concavo-convex pattern.
- the injection molding force is used.
- the press molding method for example, a method of heating / calorizing a sheet or film formed by an extrusion method in an uneven mold to be molded can be used.
- a method in which the resin mold is placed in an atmosphere containing fluorine gas is recommended as a simple method.
- a resin mold is placed in a chamber equipped with a heating device for controlling the internal temperature, a gas supply line, and an air line, and fluorine gas is introduced into the chamber from the gas supply line.
- the air in the chamber is exhausted from the exhaust line, and the inside of the chamber is replaced with a fluorine gas atmosphere.
- the fluorine gas atmosphere means that the concentration of fluorine gas in the chamber is normally 10 to: I 0 0 ⁇ 3 ⁇ 4% of the volume of the channel, and the concentration of the gas discharged from the exhaust line
- the volume is usually the volume in the chamber: Fluorine gas may be introduced into the chamber until it becomes ⁇ 5 times.
- the temperature in the chamber is usually 60 to 200 ° C., preferably 80 to 150 ° C. If the temperature is too high, the resin mold may be deformed, so the temperature should be set so that it does not exceed these keys, taking into account the fig glass and softening point temperature. Force S is preferred.
- the calorie heat time is usually:! To 3 60 minutes, preferably 10 to 3 60 minutes, more preferably 30 to 30 minutes.
- the resin mold whose surface is inverted with fluorine gas is not only excellent in transferability of the Kamata uneven pattern to the photocurable resin material layer by the body i * method described later. Because it has excellent agility with the photo-curing resin material layer, even if the same resin mold is used repeatedly, the residue of the photo-curing resin does not adhere to the transfer surface of the resin mold. Les. When the same resin mold is used repeatedly, fluorine gas can be removed again on the surface of the shelf.
- the method for producing a molded article of the present invention is a method of transferring a concavo-convex pattern to the surface of a film layer provided above by the optical nanoimprint lithography method using the resin mold of the present invention described above. Is the law. Specifically, a resin mold is pressed against a photocurable resin material layer provided as a transfer layer, and an active male is irradiated from the resin mold side to harden the self-photocurable resin material layer. Thereafter, the resin mold is peeled off with a bow I to transfer the uneven pattern onto the surface of the molded body.
- photocurable resin material used for forming the photocurable resin material layer according to the present invention for example, photopolymerizable prepolymer and Z or photopolymerized ft monomer.
- a photo-curable resin material containing can be used.
- polyester acrylate examples include polyester acrylate, epoxy acrylate, urethane acrylate, polyol acrylate, and the like.
- polyester acrylate-based prepolymer for example, by esterifying the ⁇ oxalic acid group of a polyester oligomer having a hydroxyl group on both sides obtained by condensation of a planar carboxylic acid and a polyhydric alcohol with (meth) atalino, Alternatively, it can be obtained by esterifying a ⁇ hydroxyl group of an oligomer obtained by adding alkylene oxide to a planar carboxylic acid with (meth) acrylo.
- Epoxy atelate prepolymers can be obtained, for example, by esterifying (meth) acrylic acid on bisphenol-type epoxies having a relatively low molecular weight, gabano novolac-type epoxies, or oxysilane rings of fats. it can.
- the urethane acrylate prepolymer can be obtained, for example, by esterifying a polyurethane oligomer obtained by polyether polyol or polyester polyol and polyisocyanate with (meth) acrylo.
- the polyol acrylate-based prepolymer can be obtained by esterifying a polyether polyol hydrate with (meth) atari /.
- the photopolymerization 14 monomer the single photopolymerization “raw monomer having one photopolymerization cage in the molecule or the polyfunctional photopolymerization having two or more photopolymerization I4S in the molecule [”
- the photopolymerization 143 ⁇ 4 include a biel group, a allyl group, a methalinore group, an alitarolinole group, a methacryloyl group, etc.
- a photopolymerizable monomer having an acryloyl group or a methacryloyl group includes Excellent heat resistance, transparency, weather resistance, curability, etc.
- Examples of the monofunctional photopolymerizable I 1 raw monomers for example methylcarbamoyl Honoré acrylate, methylol Honoré methacrylate (hereinafter, Atari rate and methacrylate) together with (meth) Akurireto Ru serial), methylation (meth) Atari rate, Echiru (meth ) Acrylate, propyl (meth) acrylate, n Monobutyl (meth) acrylate, isobutyl (meth) acrylate, decyl (meth) acrylate, isodecyl (meth) acrylate, n-nonyl (meth) acrylate, cyclohexyl (meth) acrylate, lauryl (meth) ) Atarylate, stearyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate, dicyclopentagenyl (meth) acrylate, dicyclopentenoxy
- polyfunctional photopolymerizable monomer examples include ethylene dallicol di (meth) acrylate, 1,3-propylene glycol di (meth) acrylate, 1,4-heptanediol di (meth) acrylate, 1,6-hexane Diol di (meth) acrylate, diethylene glycol di (meth) acrylate, neopentyl darico-no-resi (meth) acrylate, tetraethylene glycol di (meth) acrylate, 2-butyne-1, 4-di (meth) acrylate Cyclohexane 1,4-dimethanonoresi (meth) acrylate, hydrogenated bisphenol A di (meth) acrylate, 1,5-pentanedi (meth) acrylate, trimethylolethane di (meth) acrylate, tricyclode- Luzi (meth) acrylate, trimethylolpropane di ( ) Atarylate, Dipropy
- These ⁇ fi compatible monomers containing at least one acryloyl group or acryloylole group in the molecule can be used as war worms or in combinations of two or more.
- acryloyl group nor methacryloylole group photopolymerization 3 ⁇ 4S photopolymerization I ”Raw monomer ingredient f
- examples include styrene, ct-methylolstyrene, p-t-butylstyrene, vinyltoluene and other styrene Derivatives; Unsaturated carboxylic acids such as itaconic acid, maleic acid, and fumaric acid; Polymerizable unsaturated nitriles such as (meth) acrylonitrile; Jetinore maleate, Dibutyl maleate, Dibutyl fumarate, Diethyl taconic acid And unsaturated carboxylic acid esters such as dibutinole itaconate; vinyl esters such as butyl acetate and vinyl propionate; and the like.
- one or more types of ftlfB photopolymerizable prepolymers may be used as photopolymerization components, or only one or more photopolymerizable monomers may be used. 1 type or more of the prepolymer and 1 type or more of the photopolymerizable monomer may be used in combination.
- the photocurable resin material can contain photopolymerization cleavage ⁇ if necessary.
- Self photopolymerization initiators include, for example, benzoin, benzoin monomethinoreethenole, benzoin isopropyl ether, acetoin, benzophenone, p-methoxybenzophenone, jetoxyacetophenone, penzinoresime.
- Chinoreketanol 2, 2—Jetoxyacetophenone, 1—Hydroxycyclohexyl pheny ketone, Methyl / phenyl oxylate, Ethenole glyoxylate, 2—Hydroxyl 2-Methanole 1-phenyl Mouth pan _ 1-one, carbonylation of 2-ethyl anthraquinone, etc.), sulfur compounds such as tetramethylthiuram monosulfide, 2, 6-dimethyl benzoyldiphenylphosphine oxide, 2, 4, 6— Acyl phosphine oxide such as trimethylbenzoylphosphine oxide And the like.
- sulfur compounds such as tetramethylthiuram monosulfide, 2, 6-dimethyl benzoyldiphenylphosphine oxide, 2, 4, 6— Acyl phosphine oxide such as trimethylbenzoylphosphine oxide And the like.
- Each of these photopolymerization cleavage U can be used as a war worm or in combination of two or more.
- the blending amount of the photopolymerization opening ⁇ is appropriately determined depending on the purpose of use.
- the photopolymerization prepolymer and Z or the photopolymerization monomer are usually 0.00 1 to 10 parts by weight. Parts by weight, preferably 0.005 to 5 parts by weight, more preferably 0.01 to 1 part by weight.
- the photo-curing resin material can be used in a suitable translation lj as required.
- Z, or photopolymerization 14 monomers, and optionally used photopolymerization cleavage seed i), e.g., anti-wrinkle agent, photo-anchori I leveling agent, neko ij, etc. are added at a predetermined ratio. It can be prepared as a coating solution by dissolving or dispersing.
- Examples of ⁇ used here include aliphatic carbon such as hexane, heptane and cyclohexane, aromatics such as toluene and xylene, halogens such as methylene chloride and ethylene chloride ( ⁇ Alcohols such as methanol, ethanol, propanol and butanol, ketones such as acetone, methinoreethinoleketone, 2-pentanone and isophorone, esters such as ethyl acetate and butyl acetate, cellosolves such as ethino-mouth solv ij, etc. Is mentioned.
- the concentration and viscosity of the coating solution thus prepared are not particularly limited as long as the concentration and viscosity can be coated, and can be determined according to the situation.
- a body wafer such as a silicon wafer
- the resin mold of the present invention having a predetermined uneven pattern on the surface is pressed against the photocurable resin material layer so that the uneven pattern faces, and in this state, from the resin mold side, 3 ⁇ 43 ⁇ 43 ⁇ 4 / Turn on the line.
- the activity ultraviolet rays having a wavelength of 200 nm to 400 nm are suitable, and the accumulated energy is preferably 0.:!
- the light source to be used include a fluorescent lamp, a chemical lamp, a metal halide lamp, a Takacho lamp, an iS £ 7j i3 ⁇ 4): Ding lamp, and the like.
- the irradiation atmosphere of active individual light may be air or an inert gas such as nitrogen or argon.
- the cured product can be heated as desired in order to further cure. It is also possible to observe the internal SJ ⁇ and the internal strain generated during the polymerization. Calorie fever is scaled as appropriate when the hardened yarn is destroyed by the glass ⁇ ⁇ ⁇ ⁇ ai, but excessive heating leads to a hue of the hardened material, so it is preferable to step on the glass ⁇ or less. Les.
- a molded body having a fine uneven pattern is obtained by peeling off the resin mold.
- the previous 3 ⁇ 4SM model is added to the S-type cyclic structure thermoplastic resin and halogen-containing alicyclic class. 3 Since the thermoplastic resin is used, the mold release when peeling off the shelf shelf mold is very good, and the transfer accuracy of the fine uneven pattern formed on the surface of the molded product is high. . Further, as described above, the property can be further improved by reversing fluorine gas into the resin mold, and the resin mold can be easily reused.
- the bulged body with a fine uneven pattern on the hire has a photocurable resin material layer in the thin layer of the concave part in the concave / convex pattern, which is obtained by using ion etching (oxygen RIE). Then, a process of completely removing and exposing 3 ⁇ 4K is performed.
- ion etching oxygen RIE
- the limit of the transfer accuracy of the fine concavo-convex pattern transferred to the surface of the molded body is, for example, 40 to 0.8 Onm 3 3 ⁇ 4 of a line & space pattern.
- FIG. 1 is an example of a manufacturing process for explaining the method of the present invention.
- a substrate 1 having a resin having a fine concavo-convex pattern on the surface and a photocurable resin material layer 2 as a transfer layer on the surface is prepared (FIG. 1 A).
- the photocurable resin material layer 2 Next, press the resin mold 3 with the fine concavo-convex pattern facing (Fig. 1 B).
- Reference numeral 2 a represents a photocured '14 resin material layer that has entered the concave portion of the fine uneven pattern of the resin mold 3
- 2 b represents the light that forms fe between the convex portion of the resin mold and Example 1 It is a curable resin material layer.
- the photocurable resin material layers 2 a and 2 b are irradiated with a raw ray such as ultraviolet rays to harden the photocurable resin material layers 2 a and 2 b.
- a raw ray such as ultraviolet rays
- peeled resin mold 3, on S3 ⁇ 4 1 to obtain a molded product having a ⁇ uneven pattern 2 a, 2 b (in F ig. 1 D)
- the fine The target molded body 10 is obtained by completely removing the thin portion of the concave portion of the concave-convex pattern and the portion of the photo-curing resin material layer 2 b with oxygen RIE to expose SK1 (F ig. 1 E).
- the method for producing a resin-molded article of the present invention can be suitably adapted to the semiconductor field, the flat panel / isplay field, and further the biotechnology field.
- Example 1 As an alicyclic ⁇ thermoplastic resin, injection molding using “ZE ⁇ NEX (registered trademark) 4 8 0 R [Nippon Zeonone ⁇ 0]”, a sprayable norbornene polymer, 3 m, 2. Resin molds having line & space patterns of 5 ⁇ m, 2 m, 1.5 ⁇ m and 1 ⁇ m were prepared. The maximum value of the thickness of the obtained resin mold was 100 im, and the ⁇ 1 ratio of this part was 92%.
- ZE ⁇ NEX registered trademark
- 4 8 0 R [Nippon Zeonone ⁇ 0] a sprayable norbornene polymer
- a silicon wafer is used as a layer, and an acrylic resist “ ⁇ ⁇ _ 0 1” [trade name, manufactured by Toyo Gosei Kogyo Co., Ltd.], which is a photo-curing resin material, is applied by spin coating to a thickness. A 0.5 m resist film was formed.
- Example 2 The same resin mold as obtained in Example 1 is placed in the high-pressure chamber, fluorine gas is introduced into the chamber, and the volume of the gas discharged from the line is within the chamber.
- the temperature in the chamber is set to 100 ° C for 2 hours, and then the resin mold is taken out of the chamber, cooled to room temperature, and the resin that has been converted with fluorine gas.
- a mold hereinafter referred to as a fluorinated resin mold
- the uneven pattern was transferred to the photocurable resin material layer in the same manner as in Example 1 except that this fluorinated resin mold was used, and stated.
- one-time fluorinated resin mold As a result, the line and space pattern of ⁇ ⁇ ⁇ has been transferred, and no wrinkles were found on the concavo-convex part of the fluorinated resin mold after pattern transfer (hereinafter referred to as “one-time fluorinated resin mold”). It was.
- the concavo-convex pattern was transferred to the photocurable resin material layer and wrinkled in the same manner as in Example 1 except that the single-use fluorine-treated shelf stencil obtained in Example 2 was used. As a result, a line / space pattern of l / m was transferred, and no residue was found on the uneven part of the fluorinated shelves.
- etching treatment with a fluorine-based etching solution has a line and space pattern of the same size as the orchid pattern of Example 1;
- Example 1 instead of “ZEONEX (registered trademark) 4 8 OR [Nippon Zeon ⁇ ]”, “Aaton (trademark) FX 4 7 2 6” [Jie Arnorene ⁇ , Goku Yuan Ring The same operation as in Example 1 was carried out except that the resin mold was prepared using [Plastic resin].
- the resin mold of the present invention is used when a molded product having nanometer-level irregularities on the surface is scratched by optical nanoimprint lithography: The concealment with the molded product is extremely good.
- This resin mold the ftlf self-molded article can be produced with high productivity.
- This molded body is used in the flat flat panel spray field.
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- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
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JP2007521069A JPWO2006112062A1 (ja) | 2005-03-30 | 2005-09-29 | 樹脂型及びそれを用いた成形体の製造方法 |
US11/910,203 US20090057960A1 (en) | 2005-03-30 | 2005-09-29 | Resin mold and process for producing a molded article using the mold |
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US (1) | US20090057960A1 (ja) |
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JP2009208317A (ja) * | 2008-03-03 | 2009-09-17 | Daicel Chem Ind Ltd | 微細構造物の製造方法 |
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JPWO2010098102A1 (ja) * | 2009-02-27 | 2012-08-30 | 三井化学株式会社 | 転写体およびその製造方法 |
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JP2014150259A (ja) * | 2014-02-21 | 2014-08-21 | Toyo Gosei Kogyo Kk | 光硬化性組成物、モールド、樹脂、光学素子の製造方法及び半導体集積回路の製造方法 |
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JP7568601B2 (ja) | 2021-10-22 | 2024-10-16 | 東洋鋼鈑株式会社 | フィルムモールド |
Also Published As
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US20090057960A1 (en) | 2009-03-05 |
CN101151132A (zh) | 2008-03-26 |
JPWO2006112062A1 (ja) | 2008-11-27 |
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