WO2014057941A1 - Procédé de fabrication de rouleau et procédé de formation de motif - Google Patents

Procédé de fabrication de rouleau et procédé de formation de motif Download PDF

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Publication number
WO2014057941A1
WO2014057941A1 PCT/JP2013/077359 JP2013077359W WO2014057941A1 WO 2014057941 A1 WO2014057941 A1 WO 2014057941A1 JP 2013077359 W JP2013077359 W JP 2013077359W WO 2014057941 A1 WO2014057941 A1 WO 2014057941A1
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WO
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Prior art keywords
roll
pattern
master
molding material
forming method
Prior art date
Application number
PCT/JP2013/077359
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English (en)
Japanese (ja)
Inventor
寛 坂本
公介 高山
海田　由里子
Original Assignee
旭硝子株式会社
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Filing date
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Publication of WO2014057941A1 publication Critical patent/WO2014057941A1/fr

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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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B29C59/043—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for profiled articles
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces

Definitions

  • the present invention relates to a roll manufacturing method and a pattern forming method.
  • the length of the plate-shaped master is equal to or greater than the length of the outer periphery of the roll body, and the master becomes larger.
  • the production of the master was difficult, and as a result, the production of the roll was difficult.
  • This invention was made in view of the said subject, Comprising: It aims at provision of the method of manufacturing easily the roll which has the arranged uneven
  • a molding material may be sandwiched between the master rotating around the center line of the roll-shaped master and the roll main body rotating around the center line of the roll main body.
  • a pattern forming method may be provided in which a roll is obtained by the roll manufacturing method and a pattern is formed using the roll.
  • the roll may be used as a phase shift mask.
  • the roll may be used as an imprint mold.
  • the roll may be used as an imprint mold to produce another roll having an uneven pattern on the outer periphery. Another roll may be obtained and the pattern may be further formed using the other roll.
  • a method for easily producing a roll having a uniform uneven pattern on the outer periphery is provided.
  • FIG. 1 is a cross-sectional view showing a roll manufacturing method according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of a roll according to an embodiment of the present invention.
  • the roll 10 has a concavo-convex pattern on the outer periphery, and has, for example, a roll body 12 and a concavo-convex layer 14 formed on the outer periphery of the roll body 12 as shown in FIG.
  • the uneven layer 14 is formed over the entire outer periphery of the roll body 12.
  • the roll 10 is manufactured by sandwiching the molding material 4 between a roll-shaped master 20 having a shorter outer peripheral length than the roll 10 and the roll body 12, and the uneven pattern of the master 20 is changed to the roll body. 12 to the molding material 4 on the substrate 12. After the molding material 4 is sandwiched between the master 20 and the roll body 12, the molding material 4 is peeled off from the master 20 while being in close contact with the roll body 12. The molding material 4 is solidified in a state in which the concave / convex pattern of the master 20 is transferred to become the concave / convex layer 14.
  • the convex portion of the concave / convex layer 14 has a shape corresponding to the concave portion of the master 20, and the concave portion of the concave / convex layer 14 has a shape corresponding to the convex portion of the master 20.
  • the molding material 4 since the molding material 4 has fluidity at the time of molding, there is almost no seam between the start and end of the concavo-convex layer 14, and a roll 10 having a uniform concavo-convex pattern on the surface is obtained. It is done. Further, since the outer peripheral length of the master 20 is shorter than the outer peripheral length of the roll 10 and the concave / convex pattern of the master 20 is easy to manufacture, the roll 10 can be easily manufactured.
  • the concave / convex pattern of the master 20 is, for example, a micro pattern having an average pitch of convex portions or concave portions of less than 1 mm, preferably a nano pattern having an average pitch of convex portions or concave portions of less than 1 ⁇ m.
  • the pattern dimension is obtained from an AFM image taken with an atomic force microscope (AFM) and a cross-sectional profile thereof.
  • the uneven pattern of the master 20 is formed by an anodic oxidation method, EB drawing method, laser drawing method, photolithography method, machining, or the like. From these forming methods, a forming method suitable for the shape and size of the concavo-convex pattern is selected. For example, when a plurality of concave portions having a uniform depth are formed on the outer periphery of the roll-shaped master 20, an anodizing method is preferable.
  • the anodic oxidation method may include the following steps (1) to (3). (1) The surface of the aluminum substrate is anodized to form a first oxide film. (2) The formed first oxide film is removed. (3) The surface from which the first oxide film has been removed is anodized to form a second oxide film having a plurality of pores.
  • each depression serves as a starting point for generating pores, and the regularity of the pores is improved.
  • the pores may be formed in a cylindrical shape.
  • the anodizing method may include the following step (4) after the step (3). (4) Enlarge the pore diameter. By repeating the step (3) and the step (4), it is possible to form tapered pores.
  • the master 20 may be one whose outer periphery has been subjected to a release treatment in order to enhance the releasability between the master 20 and the molding material 4.
  • a release treatment examples include fluorine coat treatment and silicone coat treatment.
  • the molding material 4 may be any of a photocurable resin, a thermoplastic resin, and a thermosetting resin.
  • the photocurable resin a general resin used in the photoimprint method can be used.
  • the photocurable resin is composed of a monomer, a photopolymerization initiator, and the like.
  • the monomer include an acrylic monomer and a vinyl monomer in the case of the radical polymerization type, and an epoxy monomer and a vinyl ether monomer in the case of the ionic polymerization type.
  • a photocurable silicone composition containing a siloxane as a main chain and an oligomer having an acryloyl group or a methacryloyl group at the terminal and a photoinitiator can be mentioned.
  • the photocurable resin is irradiated with light, the photocurable resin is solidified and the uneven layer 14 is formed.
  • Examples of the light applied to the photocurable resin include ultraviolet light, visible light, and infrared light.
  • Examples of ultraviolet light sources include ultraviolet fluorescent lamps, ultraviolet LEDs, low-pressure mercury lamps, high-pressure mercury lamps, ultrahigh-pressure mercury lamps, xenon lamps, and carbon arc lamps.
  • a visible light fluorescent lamp, a visible light incandescent lamp, a visible light LED, or the like is used as a light source for visible light.
  • the light emitted from the light source passes through either the roll body 12 or the master 20 and is irradiated to the photocurable resin sandwiched between the roll body 12 and the master 20.
  • the master 20 is opaque, as shown in FIG.
  • the light source 30 is installed inside the cylindrical roll body 12, and the light emitted from the light source 30 is formed of a translucent material such as quartz or glass.
  • the light passes through the roll body 12 and is irradiated to the photocurable resin sandwiched between the roll body 12 and the master 20.
  • the optical imprint method can be molded at room temperature and has high transfer accuracy.
  • photocurable resin may be heated.
  • thermoplastic resin a general resin used in the thermal imprint method can be used, for example, an acrylic resin, a polycarbonate resin, an olefin resin, or the like.
  • a heated thermoplastic resin is sandwiched between the roll main body 12 and the master 20, and the uneven pattern of the master 20 is transferred to the thermoplastic resin, and then the thermoplastic resin is cooled and solidified.
  • the heating temperature is equal to or higher than the glass transition temperature of the thermoplastic resin.
  • thermoplastic resin As the heating source, a light source (for example, a halogen lamp or a laser) that radiates heating light, a heater, or the like is used.
  • a light source for example, a halogen lamp or a laser
  • the order of the step of sandwiching the thermoplastic resin between the roll body 12 and the master 20 and the step of heating the thermoplastic resin is not particularly limited, and may be simultaneous.
  • the thermoplastic resin may be heated by heating the master 20 or the roll body 12.
  • the thermoplastic resin may be applied to the master 20 or the roll body 12 after the thermoplastic resin is heated.
  • thermosetting resin unsaturated hydrocarbon group-containing compounds such as acrylic monomers, vinyl monomers, epoxy monomers, vinyl ether monomers, and the like can be used.
  • a heat-reactive initiator As the thermally reactive radical initiator, an organic peroxide, an azo compound, or the like can be preferably used.
  • thermosetting silicone resin precursor using a silanol condensation reaction or a hydrosilylation reaction can also be used.
  • the molding material 4 may be applied to either the master 20 or the roll body 12, and after being sandwiched between the master 20 and the roll body 12, the molding material 4 is peeled from the master 20 while being in close contact with the roll body 12. .
  • the roll body 12 may have a surface treated on the outer periphery in order to improve the adhesion with the molding material 4. Examples of the surface treatment include primer treatment, ozone treatment, and plasma etching treatment. An acrylic silane coupling agent or the like is used as the primer.
  • a die coater is used as the applicator 40 for the molding material 4.
  • the applicator 40 of this embodiment is a die coater, a roll coater, a dip coater, etc. can also be used and the kind of applicator is not specifically limited.
  • the molding material 4 may be sandwiched between the master 20 that rotates about the center line of the roll-shaped master 20 and the roll body 12 that rotates about the center line of the roll body 12. Since the positional relationship between the center line of the master 20 and the center line of the roll main body 12 does not change, it is not necessary to move the applicator 40. Further, in the case of optical imprinting, it is not necessary to move the light source 30, and in the case of thermal imprinting, it is not necessary to move the heating source.
  • FIG. 3 is a cross-sectional view showing a roll manufacturing method according to a first modification.
  • Either the master 20 or the roll body 12 may not rotate, and the other may roll.
  • the roll body 12 does not rotate, and the master 20 revolves around the center line of the roll body 12 while rotating around the center line of the master 20. Similar to the manufacturing method shown in FIG. 1, there is almost no seam between the start and end of the uneven layer 14.
  • FIG. 4 is a cross-sectional view showing a roll manufacturing method according to a second modification.
  • the master 20 is pressed against the molding material 4. Since the molding material 4 is applied over the entire outer periphery of the roll body 12 before the molding material 4 is solidified, the seam of the uneven layer 14 becomes less noticeable.
  • FIG. 5 is a cross-sectional view showing a pattern forming method using a roll according to an embodiment of the present invention as a phase shift mask.
  • the pattern forming method of FIG. 5 uses the roll 110 as a halftone phase shift mask to manufacture an electronic device.
  • the electronic device include a semiconductor and a solar cell.
  • the roll 110 is manufactured in the same manner as the roll 10 illustrated in FIG. 2, and includes a roll body 112 and a phase shift layer 114 formed on the roll body 112. Since there is almost no seam between the start and end of the phase shift layer 114, a pattern with almost no seam is formed on the substrate 150.
  • the roll body 112 is formed in a cylindrical shape with a translucent material such as quartz or glass, and has an installation space for the light source 160 for irradiating the photosensitive resist film 152 with exposure light.
  • the light source 160 of this embodiment is installed in the inside of the cylindrical roll main body 112, you may install in the exterior of the roll main body 112.
  • the exposure light from the light source 160 may be reflected toward the resist film 152 by a light reflecting plate installed inside the cylindrical roll body 112.
  • the wavelength of the exposure light is not particularly limited, and examples thereof include 435 nm (g-line of a high-pressure mercury lamp), 365 nm (i-line of a high-pressure mercury lamp), 248 nm (KrF excimer laser), and 193 nm (ArF excimer laser).
  • the phase shift layer 114 is formed by the imprint method in the same manner as the uneven layer 14 of FIG. 2 and has an uneven pattern.
  • This uneven pattern is preferably formed by a master having an uneven pattern formed by an anodic oxidation method. Note that the phase shift layer 114 of this embodiment is a single layer, but may be a plurality of layers.
  • the phase shift layer 114 has a predetermined light transmittance with respect to the exposure light.
  • the phase is inverted by 180 ° between the exposure light transmitted through the convex portion 115 of the phase shift layer 114 and the exposure light transmitted through the concave portion 116 of the phase shift layer 114.
  • a high pattern resolution can be obtained by the interference effect between the exposure light transmitted through the convex 115 and the exposure light transmitted through the concave 116.
  • the average pitch of the convex portions 115 or the concave portions 116 may be shorter than the wavelength of the exposure light.
  • the concave portion 116 of the phase shift layer 114 may be, for example, an opening, and in this case, is formed by removing the remaining imprint film. Examples of methods for removing the remaining film include an etching method and a laser ablation method.
  • JP 2011-526069 A International Publication No. 2009/094009
  • JP 2011-526069 A International Publication No. 2009/094009
  • the pattern forming method using the roll 110 as a phase shift mask includes a step of bringing the outer periphery of the roll 110 into contact with the resist film 152 and irradiating the contact portion of the resist film 152 with the roll 110 with exposure light from the inside of the roll 110. It's okay.
  • the roll 110 may be rotated around the center line of the roll 110 while changing the contact position of the resist film 152 with the roll 110. For example, as shown in FIG. You may roll.
  • the peripheral speed of the roll 110 and the moving speed of the contact position are set to be the same so that the roll 110 does not slide with respect to the resist film 152.
  • the roll 110 is rolled on the resist film 152, but the roll 110 may be rotated about the center line of the roll 110 and the resist film 152 may be moved with respect to the roll 110.
  • the substrate 150 is made of, for example, a semiconductor such as silicon, glass, or resin.
  • a semiconductor such as silicon, glass, or resin.
  • the glass forming the substrate 150 for example, soda lime glass, non-alkali glass, quartz glass, or the like is used.
  • a glass forming method for example, a float method, a fusion method or the like is used.
  • the resin that forms the substrate 150 examples include (meth) acrylic resins such as polymethyl methacrylate, copolymers of vinyl methacrylate such as methyl methacrylate and other alkyl (meth) acrylates, styrene, etc .; polycarbonate, diethylene glycol Polycarbonate resins such as bisallyl carbonate (CR-39); homopolymers or copolymers of (brominated) bisphenol A type di (meth) acrylate, urethane modification of (brominated) bisphenol A mono (meth) acrylate Thermosetting (meth) acrylic resins such as monomers and copolymers; polyesters, especially polyethylene terephthalate, polyethylene naphthalate and unsaturated polyesters, acrylonitrile-styrene copolymers, polyvinyl chloride, Polyurethane, epoxy resins, polyarylate, polyether sulfone, polyether ketone, cycloolefin polymer (trade name: AR
  • the resist film 152 is formed on the substrate 150, and an etching layer 151 such as a conductive layer is formed between the resist film 152 and the substrate 150.
  • the resist film 152 may be either a negative type in which portions other than the exposed portion are removed by development, or a positive type in which the exposed portions are removed by development.
  • the etching layer 151 is patterned by etching the etching layer 151 using the developed resist film 152 as a mask. Thereafter, the resist film 152 is removed.
  • the roll 110 is brought into contact with the resist film 152, but a liquid film such as water may be formed between the roll 110 and the resist film 152. Higher pattern resolution can be obtained.
  • the etching layer 151 is formed between the resist film 152 and the substrate 150, but the etching layer 151 may not be provided.
  • the substrate 150 may be patterned by etching the substrate 150 using the developed resist film 152 as a mask.
  • FIG. 6 is a cross-sectional view showing a pattern forming method using a roll according to an embodiment of the present invention as an imprint mold.
  • an antireflection sheet is manufactured using the roll 210 as an imprint mold.
  • the roll 210 is manufactured in the same manner as the roll 10 shown in FIG. 2, and includes a roll main body 212 and an uneven layer 214 formed on the roll main body 212. Since there is almost no seam between the start and end of the uneven layer 214, a pattern with almost no seam can be formed.
  • the molding material 204 is sandwiched between the roll 210 and the sheet base material 250, and the uneven pattern of the roll 210 is transferred to the molding material 204 on the sheet base material 250. You may have a process.
  • the molding material 204 can be the same as the molding material 4 in FIG. 1, and may be any of a photocurable resin, a thermoplastic resin, and a thermosetting resin.
  • the light source 230 of light that solidifies the photocurable resin is installed inside a cylindrical roll 210 as shown in FIG. 6, for example.
  • the light from the light source 230 passes through the roll 210 and is irradiated onto the molding material 204 to solidify the molding material 204.
  • the light source 230 may be installed on the side opposite to the roll 210 side with the sheet base material 250 interposed therebetween. Even if the light from the light source 230 passes through the sheet base material 250 and is irradiated onto the molding material 204. Good.
  • the molding material 204 may be applied to either the roll 210 or the sheet base material 250, and after being sandwiched between the roll 210 and the sheet base material 250, the molding material 204 is peeled off from the roll 210 while being in close contact with the sheet base material 250. Is done.
  • the molding material 204 is solidified in a state where the concavo-convex pattern of the roll 210 is transferred, and forms the concavo-convex pattern on the sheet substrate 250.
  • the sheet base material 250 is formed of, for example, glass or resin, and the material of the sheet base material 250 may be the same material as the material of the substrate 150, for example.
  • the concavo-convex pattern formed on the sheet base material 250 includes, for example, a plurality of convex portions 215 protruding from a predetermined flat surface, and each convex portion 215 is formed in a tapered shape.
  • the convex portions 215 are periodically arranged in, for example, a hexagonal lattice shape, a quasi-hexagonal lattice shape, a tetragonal lattice shape, or a quasi-tetragonal lattice shape.
  • Adjacent convex portions 215 may be in contact with each other or separated from each other, and may be arranged such that the bottom portions of the convex portions 215 overlap.
  • the average pitch of the convex portions 215 is set to be equal to or less than the wavelength of visible light (for example, 400 nm or less). Light reflectance can be reduced over a wide wavelength range.
  • an antireflection sheet is manufactured using the roll 210 as an imprint mold.
  • a wire grid type polarizing sheet, a lenticular lens sheet, and the like may be manufactured, and there are various types of products. It's okay.
  • the shape of the convex part 215, the average pitch of the convex part 215 (or concave part), etc. are suitably designed according to the kind of product.
  • FIG. 7 is a cross-sectional view showing a pattern forming method using a roll having an uneven pattern on the outer periphery as an imprint mold according to a modification.
  • the 1st roll 310 is used as an imprint mold, and the 2nd roll which has an uneven
  • the outer peripheral length of the second roll only needs to be longer than the outer peripheral length of the master, and may be shorter or longer than the outer peripheral length of the first roll 310, or the same.
  • the first roll 310 is manufactured in the same manner as the roll 10 shown in FIG. 2, and includes a first roll body 312 and a first uneven layer 314 formed on the first roll body 312. Since there is almost no seam between the start end and the end of the first uneven layer 314, a pattern with almost no seam can be formed.
  • the molding material 404 is sandwiched between the first roll 310 and the second roll body 412, and the uneven pattern of the first roll 310 is used as the second roll body 412. A step of transferring to the upper molding material 404.
  • the molding material 404 may be sandwiched between the first roll 310 that rotates about the center line of the first roll 310 and the second roll body 412 that rotates about the center line of the second roll body 412.
  • both the 1st roll 310 and the 2nd roll main body 412 rotate, either one may not rotate but the other may roll.
  • the first roll 310 may revolve around the center line of the second roll body 412 while rotating around the center line of the first roll 310 without rotating the second roll body 412.
  • the molding material 404 can be the same as the molding material 4 in FIG. 1, and may be any of a photocurable resin, a thermoplastic resin, and a thermosetting resin.
  • the light source 430 for solidifying the photo-curable resin is installed inside a cylindrical second roll body 412 as shown in FIG. 7, for example. Light from the light source 430 passes through the second roll body 412 and is irradiated onto the molding material 404 to solidify the molding material 404.
  • the light source 430 may be installed inside the cylindrical first roll 310, and the light from the light source 430 may pass through the first roll 310 and be applied to the molding material 404.
  • the molding material 404 may be applied to either the first roll 310 or the second roll main body 412 by the applicator 440. After being sandwiched between the first roll 310 and the second roll main body 412, the second roll The first roll 310 is peeled off while keeping in close contact with the main body 412. The molding material 404 is solidified in a state where the concave / convex pattern of the first roll 310 is transferred to become the second concave / convex layer 414.
  • the convex portion of the second concave / convex layer 414 has a shape corresponding to the concave portion of the first concave / convex layer 314 and has the same shape as the convex portion of the master. Moreover, the recessed part of the 2nd uneven
  • the pattern forming method may further include a step of forming a pattern using the second roll as a phase shift mask or an imprint mold.
  • the roll body 12 shown in FIG. 1 is formed in a cylindrical shape in order to secure an installation space for the light source 30, but when the installation space for the light source 30 is unnecessary, it is formed in either a cylindrical shape or a columnar shape. May be.
  • a reflector that reflects light from the light source in a predetermined direction may be installed inside the cylindrical roll body 12, and the light source may be installed outside the roll body 12.
  • Molding material 10 Roll 12 Roll body 14 Concavity and convexity layer 110 Roll (phase shift mask) 112 Roll body 114 Phase shift layer 115 Convex part 116 Concave part 204 Molding material 210 Roll (imprint mold) 212 Roll body 214 Uneven layer 310 First roll 312 First roll body 314 First uneven layer 404 Molding material 412 Second roll body 414 Second uneven layer

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  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

L'invention porte sur un procédé de fabrication d'un rouleau ayant un motif (14) de saillies et de renfoncements sur la circonférence extérieure, une matière de moulage (4) étant serrée entre une plaque originale de mise en forme de rouleau (20), qui a une circonférence extérieure plus petite que le rouleau, et le corps principal (12) du rouleau, et le motif de saillies et de renfoncements sur la plaque originale de mise en forme de rouleau (20) est transféré à la matière de moulage sur le corps principal (12) du rouleau.
PCT/JP2013/077359 2012-10-11 2013-10-08 Procédé de fabrication de rouleau et procédé de formation de motif WO2014057941A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012226335A JP2016000459A (ja) 2012-10-11 2012-10-11 ロールの製造方法、およびパターン形成方法
JP2012-226335 2012-10-11

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TWI765276B (zh) * 2020-06-12 2022-05-21 光群雷射科技股份有限公司 透鏡的轉印式製造方法及透鏡轉印層的製造方法

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JPH0631805A (ja) * 1992-05-29 1994-02-08 Gencorp Inc 型押し加工用ロール
JP2007203576A (ja) * 2006-02-01 2007-08-16 Oji Paper Co Ltd ロール式インプリント装置用の広幅ナノインプリントロールの製造方法
JP2008298827A (ja) * 2007-05-29 2008-12-11 Toppan Printing Co Ltd パターン形成方法、インプリントモールド、フォトマスク
JP2012056085A (ja) * 2010-09-03 2012-03-22 Bridgestone Corp 円筒状モールドの製造方法、及びその方法に用いる装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631805A (ja) * 1992-05-29 1994-02-08 Gencorp Inc 型押し加工用ロール
JP2007203576A (ja) * 2006-02-01 2007-08-16 Oji Paper Co Ltd ロール式インプリント装置用の広幅ナノインプリントロールの製造方法
JP2008298827A (ja) * 2007-05-29 2008-12-11 Toppan Printing Co Ltd パターン形成方法、インプリントモールド、フォトマスク
JP2012056085A (ja) * 2010-09-03 2012-03-22 Bridgestone Corp 円筒状モールドの製造方法、及びその方法に用いる装置

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