WO2013014893A1 - Dispositif de production de feuilles stratifiées et procédé de production de feuilles stratifiées - Google Patents

Dispositif de production de feuilles stratifiées et procédé de production de feuilles stratifiées Download PDF

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Publication number
WO2013014893A1
WO2013014893A1 PCT/JP2012/004619 JP2012004619W WO2013014893A1 WO 2013014893 A1 WO2013014893 A1 WO 2013014893A1 JP 2012004619 W JP2012004619 W JP 2012004619W WO 2013014893 A1 WO2013014893 A1 WO 2013014893A1
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Prior art keywords
laminated sheet
roller
chamber
manufacturing apparatus
base material
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PCT/JP2012/004619
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English (en)
Japanese (ja)
Inventor
猛 八月朔日
健太 上
章仙 吉原
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住友ベークライト株式会社
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Publication of WO2013014893A1 publication Critical patent/WO2013014893A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • B32B37/206—Laminating a continuous layer between two continuous plastic layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10—Coating or impregnating independently of the moulding or shaping step
    • B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
    • B29C70/506—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands and impregnating by melting a solid material, e.g. sheet, powder, fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
    • B32B2037/264—Pressure equalizing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/26—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer which influences the bonding during the lamination process, e.g. release layers or pressure equalising layers
    • B32B2037/268—Release layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/07—Parts immersed or impregnated in a matrix
    • B32B2305/076—Prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • B32B37/0053—Constructional details of laminating machines comprising rollers; Constructional features of the rollers

Definitions

  • the present invention relates to a laminated sheet producing apparatus and a laminated sheet producing method.
  • a sheet in which a resin composition sheet (resin layer) is disposed on both sides of a fiber base material and laminated is used (see, for example, Patent Document 1).
  • This sheet is manufactured by superimposing a B-stage resin composition sheet on both sides of a fiber base material and pressurizing this laminate.
  • the B-stage resin composition sheet may be heated.
  • the B stage resin composition sheet may be heated to adjust the degree of curing of the B stage resin composition sheet.
  • the heating time required for the resin layer to reach a desired degree of curing may vary. is there. It has been found that it is difficult to obtain a desired B-stage resin composition sheet simply by passing the B-stage resin composition sheet through the heating furnace.
  • a laminated sheet manufacturing apparatus for manufacturing a laminated sheet by heating a laminated sheet comprising a strip-shaped base material having flexibility and a resin composition supplied to one or both sides of the base material, A chamber through which the laminated sheet passes; Heating means for heating the inside of the chamber and heating the laminated sheet; There is provided a laminated sheet manufacturing apparatus comprising path length varying means for varying the length of a passage path when the laminated sheet passes through the chamber.
  • the laminated sheet manufacturing apparatus of the present invention includes path length varying means for varying the length of the passage path in the laminated sheet chamber.
  • path length variable means for varying the length of the passage path in the laminated sheet chamber.
  • a method for producing a laminated sheet for producing a laminated sheet A first laminated sheet comprising a base material, which is a flexible band-shaped inorganic woven fabric or organic fiber base material, and a resin composition supplied to one or both sides of the base material, A first heating step for heating while passing through the chamber in length; A second laminated sheet comprising a base material that is a flexible band-shaped inorganic woven fabric or organic fiber base material, and a resin composition supplied to one or both surfaces of the base material, is used as the first passage route. And a second heating step in which heating is performed while passing through the chamber with a length of a second passage path different from the length.
  • FIG. 1 is a schematic cross-sectional side view showing an embodiment of a laminated sheet manufacturing apparatus of the present invention (a diagram showing in sequence a manufacturing process when manufacturing a laminated sheet of the present invention).
  • FIG. 1 is a schematic cross-sectional side view showing an embodiment of a laminated sheet manufacturing apparatus of the present invention (a diagram showing in sequence a manufacturing process when manufacturing a laminated sheet of the present invention).
  • FIG. 1 is a schematic cross-sectional side view showing an embodiment of a laminated sheet manufacturing apparatus of the present invention (a diagram showing in sequence a manufacturing process when manufacturing a laminated sheet of the present invention).
  • FIG. 2 is a cross-sectional view taken along line AA in FIG.
  • FIG. 3 is a sectional view taken along line BB in FIG.
  • FIG. 2 is an enlarged view of a region [C] surrounded by a one-dot chain line in FIG. 1.
  • FIG. 4 is an exploded perspective view of a curing furnace in the laminated sheet manufacturing apparatus shown in FIGS. 2 and 3. It is sectional drawing which shows the lamination sheet of this invention. It is sectional drawing which shows the board
  • (A)-(c) is a figure seen from the chamber side surface side, and is a figure which shows a mode that a shielding member moves with the movement of a roller. (A), (b) is a figure which shows the modification of this invention.
  • FIGS. 1 to 3 are schematic cross-sectional side views showing the embodiment of the laminated sheet manufacturing apparatus of the present invention (drawing process steps in manufacturing the laminated sheet of the present invention in order), and FIG. FIG. 5 is a cross-sectional view taken along the line BB in FIG. 1, FIG. 6 is an enlarged view of a region [C] surrounded by a one-dot chain line in FIG. 1, and FIG. 2 and FIG. 3 are exploded perspective views of the curing furnace in the laminated sheet manufacturing apparatus, FIG. 8 is a cross-sectional view showing the laminated sheet of the present invention, and FIG. 9 is produced using the laminated sheet shown in FIG. FIG.
  • FIG. 10 is a cross-sectional view showing a semiconductor device manufactured using the substrate shown in FIG.
  • the upper side in FIGS. 1 to 10 is described as “upper” or “upper”, and the lower side is described as “lower” or “lower”.
  • 8 to 10 are greatly exaggerated in the thickness direction (vertical direction in the figure). 2, 3, and 7 may be referred to as the x-axis direction, and the direction perpendicular to the x-axis direction may be referred to as the y-axis direction.
  • FIG. 11 is a plan view showing a moving state of the roller in the chamber.
  • FIG. 12 is a view as seen from the side of the chamber and shows how the shielding member moves as the roller moves.
  • a laminated sheet manufacturing apparatus 30 shown in FIGS. 1 to 3 is an apparatus for manufacturing a laminated sheet 40 (40A) having the configuration shown in FIG.
  • the laminated sheet 40 (40A) will be described with reference to FIG.
  • the prepreg 1 is obtained when the laminated sheet 40 (40A) is cut into a predetermined dimension in the middle of the longitudinal direction.
  • a laminated sheet (first laminated sheet) 40 shown in FIG. 8 has a flexible thin plate (band-like) fiber base material (base material) 2 and one surface (upper surface) side of the fiber base material 2. Located on the other side (lower surface) side of the first resin layer (resin layer) 3 and the fiber substrate 2, which is made of a solid or semi-solid first resin composition, solid or semi-solid And a second resin layer (resin layer) 4 composed of the second resin composition.
  • the laminated sheet 40 is used after being cut to a predetermined size. Each of the resin layers 3 and 4 is in a B-stage state.
  • a support base 52 (see FIG. 1) may be provided on the surfaces of the resin layers 3 and 4 (3A and 4A). However, when the support base material 52 is comprised with a resin film etc., in the case of manufacture of the board
  • the fiber base material 2 has a function of improving the mechanical strength of the laminated sheet 40 (40A).
  • this fiber base material 2 for example, Glass fiber base materials such as glass woven fabric and glass nonwoven fabric, Polyamide resin fibers such as polyamide resin fibers, aramid fibers including aromatic polyamide resin fibers and wholly aromatic polyamide resin fibers, polyester resin fibers such as polyester resin fibers, aromatic polyester resin fibers and wholly aromatic polyester resin fibers , A synthetic fiber base material composed of a woven fabric or a non-woven fabric mainly comprising any one of polyimide resin fiber, polyparaphenylene benzobisoxazole, fluororesin fiber, etc.
  • the fiber base material examples thereof include any fiber base material such as kraft paper, cotton linter paper, paper fiber base material mainly containing any of linter and kraft pulp mixed paper.
  • the fiber base material may use any 1 type of the fiber mentioned above, and may use 2 or more types.
  • the fiber base material 2 it is preferable that it is either an inorganic woven fabric base material or an organic fiber base material.
  • the fiber base material 2 is preferably a glass woven base material that is an inorganic woven base material.
  • the mechanical strength of the prepreg 1 obtained by cutting the laminated sheet 40 (40A) can be further improved.
  • the glass constituting the soot glass fiber examples include E glass, C glass, A glass, S glass, D glass, NE glass, T glass, H glass, and quartz glass.
  • glass it is preferable that glass is quartz glass, S glass, or T glass.
  • the average thickness of the cocoon fiber substrate 2 is not particularly limited, but is preferably 150 ⁇ m or less, more preferably 100 ⁇ m or less, and even more preferably about 10 to 20 ⁇ m.
  • the fiber base material 2 having such a thickness it is possible to reduce the thickness of the prepreg 1 (laminated sheet 40 (40A)) while ensuring the mechanical strength. Furthermore, the workability of the prepreg 1 can be improved.
  • the first resin layer 3 (3A) is provided on one surface side of the fiber substrate 2, and the second resin layer 4 (4A) is provided on the other surface side.
  • the 1st resin layer 3 (3A) and the 2nd resin layer 4 (4A) may be comprised with the same resin composition, and may be comprised with a different resin composition. In this embodiment, the same composition is used.
  • first resin composition first resin layer 3 (3A)
  • second resin layer 4 (4A) second resin layer 4 (4A)
  • this portion is referred to as “second impregnation portion 41”.
  • the 1st impregnation part 31 (lower surface of the 1st resin layer 3) and the 2nd impregnation part 41 (upper surface of the 2nd resin layer 4) are contacting.
  • the thickness of the first impregnation part 31 and the thickness of the second impregnation part 41 are equal.
  • the thickness of the portion excluding (the second non-impregnated portion 42) is equal.
  • the thickness of the first non-impregnated part 32 and the thickness of the second non-impregnated part 42 are, for example, 2 to 20 ⁇ m.
  • the thickness of the first impregnation part 31 and the thickness of the second impregnation part 41 may be different, and the thickness of the first non-impregnation part 32 and the thickness of the second non-impregnation part 42 May be different.
  • Reference numeral 20 schematically shows a boundary between the impregnating portions 31 and 41.
  • the 1st resin layer 3 (3A) is supplied to the lamination sheet manufacturing apparatus 30 as the 1st sheet-like sheet 5a.
  • the sheet 5a includes a first resin layer 3 (3A), a support base 52 that supports the resin layer 3 (3A), and a protective sheet 51 that protects the first resin layer 3.
  • the support substrate 52 is provided on the side opposite to the protective sheet 51 with the first resin layer 3 (3A) interposed therebetween. Therefore, in FIG. 1, the first resin layer 3 (3 ⁇ / b> A) is in contact with the second roller 72 a via the support base material 52.
  • the 2nd resin layer 4 (4A) is supplied to the lamination sheet manufacturing apparatus 30 as the thin plate-shaped 2nd sheet
  • the sheet 5b includes a second resin layer 4 (4A), a support base 52 that supports the resin layer 4 (4A), and a protective sheet 51 that protects the second resin layer 4.
  • the support base material is provided on the side opposite to the protective sheet 51 with the second resin layer 4 (4A) interposed therebetween. Therefore, in FIG. 1, the second resin layer 4 (4 ⁇ / b> A) is in contact with the second roller 72 b through the support base material 52.
  • the protective sheet 51 for example, a resin film is preferable.
  • the resin material constituting the resin film include fluorine resins, polyimides, polyesters such as polybutylene terephthalate and polyethylene terephthalate, and polyethylene.
  • a resin material which comprises a resin film since it is excellent in heat resistance and cheap, among these, a polyethylene terephthalate and polyethylene are preferable.
  • the process which can peel is performed to the surface at the side of the resin layer of the resin film. Thereby, as will be described later, the protective sheet 51 and the resin layer can be easily separated.
  • the support base material 52 the same thing as the protective sheet 51 can be used.
  • the support base 52 may be a metal layer such as a copper foil.
  • the average thickness of the protective sheet 51 and the support base 52 is not particularly limited, but is preferably about 8 to 70 ⁇ m, and more preferably about 12 to 40 ⁇ m.
  • Resin layers 3, 3A, 4, 4A are composed of the following resin composition.
  • Each resin layer 3, 3A, 4, 4A includes, for example, a curable resin, and includes at least one of a curing aid (for example, a curing agent and a curing accelerator) and an inorganic filler as necessary. Consists of.
  • the curable resin examples include urea (urea) resin, melamine resin, maleimide compound, polyurethane resin, unsaturated polyester resin, resin having a benzoxazine ring, bisallyl nadiimide compound, vinyl benzyl resin, vinyl benzyl ether resin, Examples thereof include thermosetting resins such as benzocyclobutene resins, cyanate resins, and epoxy resins, ultraviolet curable resins, and anaerobic curable resins.
  • the curable resin is preferably a combination having a glass transition temperature of 200 ° C. or higher.
  • the cross-link density in the cured resin layers 3, 3A, 4, and 4A is further increased after the substrate 10 (see FIG. 9) described later is manufactured. Since it increases, the heat resistance of the cured resin layers 3, 3A, 4, 4A (obtained substrate) can be improved.
  • the thermal expansion coefficient of the prepreg 1 can be reduced (hereinafter also referred to as “low thermal expansion”) by using the thermosetting resin and the filler together. Furthermore, the electrical characteristics (low dielectric constant, low dielectric loss tangent) of the prepreg 1 can be improved.
  • the epoxy resin include phenol novolac type epoxy resins, bisphenol type epoxy resins, naphthalene type epoxy resins, anthracene type epoxy resins, and arylalkylene type epoxy resins.
  • the epoxy resin is preferably either a naphthalene type or an arylalkylene type epoxy resin.
  • a naphthalene type or arylalkylene type epoxy resin moisture-absorbing solder heat resistance (solder heat resistance after moisture absorption) and flame retardancy can be improved in the cured resin layers 3 and 4 (obtained substrate).
  • the naphthalene type epoxy includes DIC Corporation's HP-4700, HP-4770, HP-4032D, HP-5000, HP-6000, Nippon Kayaku Co., Ltd. NC-7300L, Nippon Steel Chemical Co., Ltd.
  • the aryl alkylene type epoxy resin means an epoxy resin containing one or more combinations of an aromatic group and an alkylene group such as methylene in the repeating unit, and is excellent in heat resistance, flame retardancy, and mechanical strength. In order to deal with a halogen-free wiring board, it is preferable to use an epoxy resin containing substantially no halogen.
  • the cyanate resin can be obtained, for example, by reacting a cyanogen halide compound with phenols or naphthols, and prepolymerizing them by a method such as heating as necessary. Moreover, the commercial item prepared in this way can also be used.
  • cyanate resin examples include novolak type cyanate resin, bisphenol A type cyanate resin, bisphenol E type cyanate resin, bisphenol type cyanate resin such as tetramethylbisphenol F type cyanate resin, and naphthol aralkyl type cyanate resin. be able to.
  • the cyanate resin preferably has two or more cyanate groups (—O—CN) in the molecule.
  • cyanate groups —O—CN
  • phenol novolac type cyanate resin is excellent in flame retardancy and low thermal expansion
  • 2,2-bis (4-cyanatophenyl) isopropylidene and dicyclopentadiene type cyanate resin are used for controlling the crosslinking density, Excellent moisture resistance reliability.
  • a phenol novolac type cyanate resin is preferred from the viewpoint of low thermal expansion.
  • other cyanate resins may be used alone or in combination of two or more, and are not particularly limited.
  • the cyanate resin may be used alone, may be used in combination with cyanate resins having different weight average molecular weights, or may be used in combination with the cyanate resin and its prepolymer.
  • the curable resin may be used in combination of two or more.
  • the cyanate resin can be used in combination for improving flame retardancy
  • the maleimide compound is used in combination for improving heat resistance. be able to.
  • the epoxy resin can be used in combination for further improving heat resistance and flame retardancy.
  • the content of the curable resin is not particularly limited, but is preferably 5 to 70% by mass, more preferably 10 to 50% by mass, based on the entire resin composition.
  • the content of the curable resin is less than the lower limit, depending on the type of the curable resin, the viscosity of the varnish of the resin composition may be too low, and it may be difficult to form the prepreg 1.
  • the content of the curable resin exceeds the upper limit, the amount of other components is too small, and the mechanical strength of the prepreg 1 may be reduced depending on the type of the curable resin.
  • the resin composition preferably contains an inorganic filler.
  • the inorganic filler examples include talc, alumina, glass, silica such as fused silica, mica, aluminum hydroxide, magnesium hydroxide, and the like. Further, depending on the purpose of use of the inorganic filler, a crushed or spherical one is appropriately selected. Among these, from the viewpoint of excellent low thermal expansion, the inorganic filler is preferably silica, and more preferably fused silica (particularly spherical fused silica).
  • the resin layers 3, 3A, 4, and 4A can contain other components as necessary within the range not impairing the effects of the present invention in addition to the components described above.
  • Other components include, for example, thickeners such as olben and benton, silicone, fluorine and polymer antifoaming agents or leveling agents, adhesion imparting agents such as coupling agents, flame retardants, phthalocyanine blue And colorants such as phthalocyanine green, iodine green, disazo yellow, carbon black, anthraquinones, and the like.
  • the laminated sheet manufacturing apparatus 30 includes a crimping apparatus 30A shown in FIG. 1 and a heating apparatus 30B (see FIG. 2) disposed downstream of the crimping apparatus 30A in the laminated sheet conveying direction. ).
  • the crimping device 30A includes a housing 6, first rollers 71a and 71b, second rollers (supply rollers) 72a and 72b and third rollers 73a and 73b housed in the housing 6, and the inside of the housing 6.
  • Pressure reducing means 8 for reducing pressure.
  • the heating device 30B includes a curing furnace 9 that heats the resin layers 3 and 4 (3A and 4A) to advance the curing of the resin layers 3 and 4 (3A and 4A).
  • the configuration of each unit will be described.
  • the crimping device 30 ⁇ / b> A is a device that crimps the resin layer 3 (3 ⁇ / b> A) to one side of the fiber base 2 and crimps the resin layer 4 (4 ⁇ / b> A) to the other side of the fiber base 2. More specifically, the pressure bonding device 30A pressure-bonds the resin layer 3 (3A) and the resin layer 4 (4A) to the front and back surfaces of the fiber base 2, and the resin layer 3 (3A) and the resin layer 4 ( 4A) is impregnated into the fiber substrate 2.
  • the housing 6 has a pair of wall portions 61 arranged to face each other at an interval, for example, has a box shape. Although it does not specifically limit as a constituent material of the wall part 61, For example, various metals, such as iron, stainless steel, and aluminum, or the alloy containing these is mentioned.
  • first rollers 71a and 71b, second rollers 72a and 72b, and third rollers 73a and 73b are respectively constructed. These rollers are arranged in parallel to each other. These rollers are connected to a motor (not shown) via a gear mechanism (not shown) in which a large number of gears are arranged, for example. And when this motor operates, the motive power will be transmitted through a gear mechanism, and each roller will rotate, respectively.
  • These rollers have the same configuration except that their thicknesses are different, and are supported by the wall portion 61 with the same structure.
  • the configuration of the first roller 71a will be described representatively.
  • the first roller 71 a has a columnar outer shape, and includes a main body portion 74 located at the middle portion in the longitudinal direction and shafts 75 located at both ends of the main body portion 74. It is configured.
  • Each shaft 75 has an outer diameter smaller than the outer diameter of the main body 74.
  • the first roller 71 a has shafts 75 inserted into bearings (bearings) 76 installed on the wall 61, and is rotatably supported by the bearings 76.
  • first roller 71a is solid in the configuration shown in FIGS. 1 and 4, but is not limited thereto, and may be, for example, a hollow body.
  • the constituent material of the first roller 71a is not particularly limited, and for example, the materials described in the constituent material of the wall portion 61 can be used.
  • the outer peripheral surface 741 of the main body 74 of the first roller 71a may be subjected to a process for preventing the outer peripheral surface 741 from being worn. Examples of this treatment include a method of forming a DLC (Diamond Like Carbon) film on the outer peripheral surface 741.
  • DLC Diamond Like Carbon
  • the first roller 71a and the first roller 71b are arranged in parallel to each other in the horizontal direction, and the outer peripheral surfaces 741 of the main body 74 are in contact with each other (pressure contact) (see FIG. 4). And when the 1st roller 71a and the 1st roller 71b rotate, the fiber base material 2 can be conveyed between these from the left side in FIG.
  • the second roller 72a and the second roller 72b are arranged at positions different from the first rollers 71a and 71b, that is, in front of the fiber base 2 in the conveying direction (downstream side) with respect to the first rollers 71a and 71b.
  • the second roller 72a and the second roller 72b are arranged in parallel to each other in the horizontal direction, and the outer peripheral surfaces 741 of the main body 74 are in contact (pressure contact) with each other.
  • the first resin layer 3 (3A) and the second resin layer 4 (4A) are pressure-bonded (bonded) to the fiber substrate 2 (see FIG. 1). Then, this bonded body, that is, the uncured or semi-cured laminated sheet 40 is sent out toward the curing furnace 9 (chamber 91).
  • the third roller 73a is disposed between the first roller 71a and the second roller 72a, and the third roller 73b is disposed between the first roller 71b and the second roller 72b.
  • the third roller 73a and the third roller 73b are spaced apart from each other in the vertical direction (vertical direction), and are opposed to each other in parallel in the horizontal direction.
  • the protection sheet 51 can be peeled off from the 1st resin layer 3 of the 1st sheet
  • the third roller 73b rotates, the protective sheet 51 can be peeled from the second resin layer 4 of the second sheet 5b (see FIG. 1).
  • the outer peripheral surface 741 of the main body 74 of the third roller 73a is formed on the outer peripheral surface 741 of the main body 74 of the first roller 71a and the outer peripheral surface 741 of the main body 74 of the second roller 72a, respectively. It is in contact.
  • the outer peripheral surface 741 of the main-body part 74 is respectively on the outer peripheral surface 741 of the main-body part 74 of the 1st roller 71b, and the outer peripheral surface 741 of the main-body part 74 of the 2nd roller 72b. It is in contact.
  • the laminated sheet manufacturing apparatus 30 is surrounded by each wall portion 61 of the housing 6, the first rollers 71a and 71b, the second rollers 72a and 72b, and the third rollers 73a and 73b.
  • a space 70 is formed.
  • the space 70 is decompressed by the operation of the decompression means 8 (see FIG. 5).
  • each main body portion 74 of the first rollers 71a and 71b (the same applies to the second rollers 72a and 72b and the third rollers 73a and 73b) and the wall portions 61
  • a sealing material 62 is interposed therebetween.
  • Each sealing material 62 is formed of a ring-shaped elastic body, and is inserted into a ring-shaped recess 612 formed in the wall portion 61 in a compressed state. Thereby, the airtightness of the space 70 is reliably maintained. Therefore, when the space 70 is decompressed by the decompression means 8, the decompression is performed quickly and reliably.
  • the constituent material of the sealing material 62 is not particularly limited.
  • natural rubber isoprene rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, butyl rubber, acrylic rubber, ethylene-propylene rubber, hydrin rubber, urethane rubber ,
  • Various rubber materials such as silicone rubber and fluoro rubber (especially those vulcanized), styrene, polyolefin, polyvinyl chloride, polyurethane, polyester, polyamide, polybutadiene, trans polyisoprene,
  • Various thermoplastic elastomers such as fluororubber-based and chlorinated polyethylene are listed, and one or more of these can be used in combination.
  • the first rollers 71a and 71b, the second rollers 72a and 72b, and the third rollers 73a and 73b have different outer diameters (sizes) of the main body 74. .
  • the magnitude relationship is (third roller) ⁇ (first roller) ⁇ (second roller).
  • the size of each of the first rollers 71a and 71b, the second rollers 72a and 72b, and the third rollers 73a and 73b is arbitrary, but for example, a sheet material having flexibility in the rollers It is preferable that the sheet material is as small as possible without causing wrinkles in the sheet material.
  • the diameter is preferably 75 to 300 mm, more preferably 100 to 200 mm.
  • the decompression unit 8 includes a pump 81 and a connection pipe 82 that connects the pump 81 and an opening 611 formed in each wall 61.
  • the pump 81 is installed outside the housing 6, and for example, a vacuum pump is applied.
  • Each connecting pipe 82 is a hard pipe made of a metal material such as stainless steel.
  • Each opening 611 is opened toward the space 70.
  • the opening portions 611 are formed in both the wall portions 61, but the present invention is not limited to this.
  • the opening portion 611 may be formed only in one wall portion 61. .
  • the air G in the space 70 can be sucked from each opening 611, and thus the space 70 can be decompressed. Further, as a result, a force that causes the adjacent rollers to approach each other is generated and further pressed against each other, so that the airtightness of the space 70 is more reliably maintained.
  • the curing furnace 9 of the heating device 30B is arranged in front of the second roller 72a, 72b in the transport direction of the laminated sheet 40 (downstream in the transport direction).
  • the curing furnace 9 is a device that advances the curing of the resin layers 3 and 4 (3A and 4A).
  • the heating device 30B will be described. First, an outline of the heating device 30B will be described.
  • the heating device 30B was supplied to a base material (fiber base material 2) which is a flexible band-like inorganic woven fabric or organic fiber base material, and one or both sides of the base material (fiber base material 2).
  • Laminated sheet (laminated sheet 40 (40A) before being heated by heating device 30B) provided with a resin composition (resin layers 3 and 4 (3A, 4A)) is heated and heated laminated sheet 40 (40A) It is the lamination sheet manufacturing apparatus which manufactures.
  • the heating device 30B includes a chamber 91 through which the laminated sheet passes, heating means 92 that heats the inside of the chamber 91 to heat the laminated sheet, and a length of a passage path of the laminated sheet in the chamber 91. And variable path length changing means.
  • the heating device 30B heats the long laminated sheet 40 (40A), and the laminated sheet 40 (40A) is continuously conveyed to the heating device 30B.
  • the curing furnace 9 includes a chamber (furnace body) 91, a heater 92 as a heating means for heating the inside of the chamber 91, and first rollers 93 a and 93 b located in the chamber 91. , Second rollers 94a and 94b, and a third roller 95.
  • the rollers 93a, 94a, 94b, and 95 are conveying means for conveying the laminated sheet 40 (40A) in the chamber 91.
  • the chamber 91 has a rectangular or square box shape, and the fiber base 2 supplied with the resin layers 3 and 4 (3A and 4A), that is, the laminated sheet 40 (40A) passes through the internal space 96 thereof. Can do.
  • a pair of wall portions 911 and 912 facing each other in the chamber 91 are respectively formed with an inlet 913 for receiving the laminated sheet 40 (fiber base material 2) and an outlet 914 for outputting the laminated sheet 40 (40A).
  • the inlet 913 and the outlet 914 are positioned opposite to each other via the internal space 96, for example, a cutting device that cuts the laminated sheet 40 (40A) when obtaining the prepreg 1 from the laminated sheet 40 (40A) ( (Not shown), it is possible to install a cutting device in front of the laminated sheet 40 (40A) in the conveying direction, that is, downstream of the flow of the laminated sheet 40 (40A), thereby facilitating the layout of the device. Can do.
  • the height position (position in the y-axis direction) of the inlet 913 of the chamber 91 is different from the height position (position in the y-axis direction) of the outlet 914.
  • the inlet 913 is more y than the outlet 914.
  • the constituent material of the chamber 91 is not particularly limited, and examples thereof include various metals such as iron, stainless steel, and aluminum, or alloys containing these metals.
  • a plurality of heaters 92 are arranged inside the chamber 91.
  • the heater 92 is a heating means (hot plate) for heating the resin layers 3 and 4 (3A and 4A).
  • the resin layers 3 and 4 (3A and 4A) are cured by this heating.
  • each heater 92 extends along the conveyance direction of the laminated sheet 40. 2 shows the heater 92, the heater 92 is omitted in FIG. 3 for ease of viewing.
  • the heater 92 is composed of a heating wire such as a nichrome wire.
  • the heating temperature in the chamber 91 by the heater 92 is preferably 100 to 350 ° C., for example, and more preferably 150 to 300 ° C.
  • the heating device 30 ⁇ / b> B includes first rollers 93 a and 93 b, second rollers 94 a and 94 b, and a third roller 95 disposed in the chamber 91. These rollers are rotatably installed, and these rollers rotate to convey the laminated sheet 40 (40A) in the chamber 91. These rollers are feed rollers that contact the laminated sheet 40 (40A). Each roller is arrange
  • the first rollers 93a and 93b, the second rollers 94a and 94b, and the third roller 95 are different from each other in the y-axis direction (the height position of each other).
  • the first rollers 93a and 93b are arranged on the most positive y-axis side (at the highest position)
  • the third roller 95 is arranged on the most negative y-axis side (at the lowest position)
  • Two rollers 94 a and 94 b are arranged between the first rollers 93 a and 93 b and the third roller 95.
  • first roller 93a and the first roller 93b are also arranged so that their positions in the y-axis direction are different from each other, and the first roller 93a is on the positive side of the y-axis with respect to the first roller 93b. is there.
  • second roller 94a and the second roller 94b are arranged so that their positions in the y-axis direction are different from each other, and the second roller 94a is more in the y-axis than the second roller 94b. On the positive side.
  • the lamination sheet 40 (40A) is spanned in order of 1st roller 93a, 93b, 2nd roller 94a, 94b, and 3rd roller 95, and is conveyed by each roller rotating.
  • the rollers 93a, 94a, and 95 are in contact with one side of the laminated sheet 40 (40A), and the rollers 93b and 94b are in contact with the other side of the laminated sheet 40 (40A).
  • rollers 93a, 93b, 94a, 94b, and 95 have the same configuration, the configuration of the first roller 93a will be described below as a representative.
  • the first roller 93 a has a columnar outer shape, a main body portion 97 located in the middle in the longitudinal direction, and shaft portions 98 respectively located on both end sides of the main body portion 97. It consists of Each shaft portion 98 has an outer diameter smaller than the outer diameter of the main body portion 97.
  • main-body part 97 of the 1st roller 93a is a solid thing in the structure shown in FIG. 2, FIG. 3, it is not limited to this, For example, the thing of a hollow body may be sufficient.
  • the main-body part 97 is a part contact
  • the constituent material of the main body 97 is not particularly limited, and for example, the materials described above for the constituent material of the chamber 91 can be used.
  • the outer peripheral surface 971 of the main body 97 of the first roller 93a is subjected to a friction reducing process for reducing friction with the laminated sheet 40 (40A). This prevents the outer peripheral surface 971 from being worn.
  • the friction reducing process include a method of forming a film of fluorine, DLC (Diamond Like Carbon) or the like on the outer peripheral surface 971.
  • Each of the rollers 93b, 94a, 94b, and 95 includes a main body portion 97 and a shaft portion 98 similar to those of the roller 93a.
  • the rollers 93 a, 93 b, 94 a, 94 b, 95 described above the rollers 93 a, 94 a can move in the chamber 91.
  • the positions of the rollers 93b, 94b, and 95 with respect to the chamber 91 are fixed without moving in the chamber 91.
  • the roller 93a conveys the laminated sheet 40 (40A) in the vertical direction (y-axis direction) toward the roller 93b.
  • the first roller 93 a is moved toward the chamber 91 by a single-character cam groove (guide groove) 915 formed in the wall portions 917 and 918 of the chamber 91.
  • first roller 93b It is supported so as to be movable in the x-axis direction (horizontal direction).
  • the position of the first roller 93b with respect to the chamber 91 is fixed.
  • the first roller 93a moves, the first roller 93a and the first roller 93b approach and separate from each other along the x axis, and the distance between the axes can be changed.
  • a series of long laminated sheets in which the end of the laminated sheet 40A on the upstream side in the conveying direction is connected to the end of the laminated sheet 40 in the conveying direction on the downstream side are heat-treated.
  • each shaft portion 98 of the first roller 93a is inserted into each cam groove 915 formed in the wall portions 917 and 918 of the chamber 91, respectively.
  • Each cam groove 915 is a through-hole penetrating each wall portion 917, 918 of the chamber 91.
  • the second roller 94a conveys the laminated sheet 40 (40A) in the vertical direction toward the roller 94b.
  • the roller 94a is supported so as to be movable in the x-axis direction with respect to the chamber 91 by a single-letter cam groove 916 formed in the walls 917 and 918 of the chamber 91, and the second roller 94b is supported with respect to the chamber 91.
  • the position is fixed.
  • the second roller 94a moves, the second roller 94a and the second roller 94b can approach and separate from each other, and the distance between the axes can be changed.
  • the width of the long laminated sheet intersecting (orthogonal) with the conveying direction of the long laminated sheet on the roller 94a (the conveying direction of the laminated sheet by the roller 94a, here, the y-axis direction).
  • the transport distance in the x-axis direction (moving direction of the roller 94a) of the long laminated sheet between the rollers 94a and 94b is changed.
  • Each shaft portion 98 of the second roller 94a is inserted into each cam groove 916 formed in the wall portions 917 and 918 of the chamber 91, respectively.
  • Each cam groove 916 is a through-hole penetrating each wall portion 917, 918 of the chamber 91.
  • the position of the third roller 95 with respect to the chamber 91 is fixed in the same manner as the first roller 93b and the second roller 94b.
  • the rollers 93b, 94b, 95 are connected to a motor (not shown) on the shaft portion 98, and can be driven to rotate by the motor.
  • This motor may be arranged outside the chamber 91 as well as the motor 90 described later, or may be arranged inside the chamber 91.
  • the shaft portion 98 of the rollers 93 b, 94 b, 95 passes through the wall portions 917, 918 of the chamber 91.
  • the first roller 93a can smoothly move along the cam groove 915 by a linear guide 99 which is a moving means for moving the roller 93a.
  • This configuration is the same for the second roller 94a.
  • the linear guide 99 is disposed on each end side of the roller 93a.
  • the rollers 93a are disposed on the one shaft portion 98 side and the other shaft portion 98 side, respectively, and are disposed outside the pair of wall portions 917 and 918 facing the chamber 91, respectively.
  • the linear guide 99 includes a pair of long guide rails 991 and a slider (moving body) 992 that moves on the guide rails 991.
  • the guide rail 991 is fixed to the chamber 91.
  • a screw shaft 993 is disposed between the pair of guide rails 991.
  • a motor 994 for rotating the screw shaft 993 is connected to the end of the screw shaft 993.
  • a nut 995 provided on the slider 992 is screwed onto the screw shaft 993.
  • the screw shaft 993 and the nut 995 constitute a ball screw structure.
  • a motor 90 as a drive source when the first roller 93a rotates is fixed on the slider 992 of one linear guide 99. Yes.
  • the motor 90 moves together with the first roller 93a as the slider 992 moves.
  • the motor 90 is connected to one shaft portion 98 of the first roller 93a. Then, when the motor 90 is operated, the first roller 93a is reliably rotated.
  • a bearing (not shown) that rotatably supports the shaft portion of the first roller 93a is disposed. The bearing also moves together with the first roller 93a when the slider 992 moves.
  • the guide rail 991 and the screw shaft 993 extend in parallel with the cam groove 915.
  • the screw shaft 993 rotates, and the nut 995 and the slider 992 move on the screw shaft 993. Accordingly, the shaft portion 98 of the roller 93a moves in the cam groove 915, and the roller 93a moves in the chamber 91.
  • the second roller 94a can also move smoothly along the cam groove 916 by the linear guide 99 which is a moving means.
  • One shaft portion 98 of the second roller 94 a is connected to a motor 90 on the linear guide 99. Further, the other shaft portion 98 of the second roller 94 a is inserted into a bearing (not shown) on the other linear guide 99.
  • the guide rail 991 and the screw shaft 993 of the linear guide 99 extend in parallel with the cam groove 916.
  • the screw shaft 993 rotates, and the nut 995 and the slider 992 move on the screw shaft 993. Accordingly, the shaft portion 98 of the roller 94a moves in the cam groove 916, and the roller 94a moves in the chamber.
  • the cam grooves 915 and 916 are formed in the wall portions 917 and 918 of the chamber 91 and penetrate the wall portions 917 and 918.
  • a covering member 900 that closes the cam grooves 915 and 916 is disposed outside the wall portions 917 and 918 of the chamber 91.
  • FIG. 11 is a view of the inside of the chamber 91 as viewed from the upper surface side
  • FIG. 12 is a view of the chamber 91 as viewed from the side surface side.
  • the covering member 900 extends along the longitudinal direction of the cam groove 915 (916) and completely covers the cam groove 915 (916).
  • a through hole through which the shaft portion 98 of the roller 93a (94a) passes is formed in the covering member 900.
  • the shaft portion 98 of the roller 93b (94b) has a cam groove 915 (916) and a through hole of the covering member 900. Via the motor 90 or the bearing.
  • the through hole through which the shaft portion 98 of the covering member 900 passes is formed so as to overlap with the cam groove 915 (916) in a side view from the wall portion 917 (918) side of the chamber 91 (see FIG. 12).
  • the end of the covering member 900 along the longitudinal direction is fitted into a rail R provided outside the chamber wall 917 (918).
  • the rail R extends along the longitudinal direction of the cam groove 915 (916), and the covering member 900 slides on the rail R.
  • the cam groove 915 (916) is shielded, and the air in the chamber 91 flows out to the outside through the cam groove 915 (916), or the outside air flows into the chamber 91. Inflow can be prevented. Thereby, the temperature inside the chamber 91 can be stably maintained.
  • the shaft portion 98 of the roller 93a (94a) is located on one end side of the cam groove 915 (916).
  • the shaft portion 98 of the roller 93a (94a) moves in the cam groove 915 (916) as described above.
  • the covering member 900 slides on the rail R. Since the length of the covering member 900 in the longitudinal direction (length in the x-axis direction) is longer than the length in the longitudinal direction of the cam groove 915 (916) (length in the x-axis direction), the roller 93a (94a) is Even in the case of movement, the cam groove 915 (916) can be covered.
  • the material of the covering member 900 is not particularly limited, but the covering member 900 can be made of a material such as metal similar to that of the chamber 91.
  • the covering member 900 is provided on the outside of the wall portions 917 and 918 of the chamber 91 and covers the cam groove 915 (916) from the outside.
  • a covering member may be provided inside the portions 917 and 918 and the cam groove 915 (916) may be covered from the inside of the chamber 91.
  • the covering member 900 can be easily attached to the wall.
  • the curing furnace 9 configured as described above moves the length of the passage path of the laminated sheet by moving at least one of the rollers 93a and 94a in the thickness direction of the laminated sheet 40 (40A) by the moving means described above.
  • path length the length of the passage path when the laminated sheet 40 passes through the chamber 91 (hereinafter referred to as “path length”), that is, the total length from the inlet 913 to the outlet 914 of the laminated sheet in the chamber 91. Is variable.
  • first position In a state where the first roller 93a and the second roller 94a are respectively located on the rightmost side in the drawing (this position is referred to as “first position”), the first roller 93a
  • the distance between the axes of the first roller 93b and the distance between the axes of the second roller 94a and the second roller 94b is the maximum, and the path length is the longest.
  • the first roller 93a in a state where the first roller 93a and the second roller 94a are respectively located on the leftmost side in the drawing (this position is referred to as “second position”), the first roller 93a
  • the distance between the axes of the first roller 93b and the distance between the axes of the second roller 94a and the second roller 94b is minimized, and the path length is minimized.
  • the first roller 93a and the second roller 94a can be positioned between the first position and the second position, respectively. In this case, the path length is intermediate between the longest and the shortest. It becomes the size of.
  • path length varying means for varying the path length is configured.
  • the path length variable means is changing means for changing the path length.
  • the heating time until curing may be different depending on the composition of the resin layer.
  • the heating time for each resin layer in the chamber 91 does not change, resulting in insufficient curing. Or harden excessively.
  • the resin layer is excessively or insufficiently cured.
  • the conveying speed of the laminated sheet in the chamber 91 is changed, for example, it is slowed down, the laminated sheet on the upstream side of the chamber 91 is stagnated, and a standby place for the stagnated laminated sheet is required.
  • the curing of each resin composition may start unintentionally, and the degree of curing when conveyed to the chamber 91 varies, and the resulting laminated sheet 40 Quality is not constant.
  • the heating device 30B includes a motor 90 for rotating the rollers 93a and 94a and a control unit (not shown) that controls driving of the motor 994 for moving the rollers 93a and 94a.
  • the control unit drives the motor 994 for moving the rollers 93a and 94a without stopping the driving of the motor 90. Then, the position of the rollers 93a and 94a is detected by a detection unit (not shown), and the control unit determines whether or not the position detected by the detection unit is a predetermined position. If it is determined that the position is the predetermined position, the control unit stops driving the motor 994 and stops the movement of the rollers 93a and 94a. If it is determined that the position is not the predetermined position, the control unit maintains driving of the motor 994. However, in any case, the controller does not stop the driving of the motor 90 that rotates the rollers 93a and 94a.
  • the cam groove 915 extends from the negative side of the x axis toward the positive side with respect to the first roller 93b in the x axis direction. That is, the cam groove 915 extends from the right side in FIGS. 2 and 3 to the left side beyond the first roller 93b.
  • the 1st roller 93a can move so that the 1st roller 93b may be straddled, and the movable range of the 1st roller 93a can be ensured as large as possible.
  • the roller 93a can move to the negative side of the x-axis by the thickness of the laminated sheet 40A than the roller 93b, and the laminated sheet 40 (40A) supplied into the chamber 91 is the rollers 93a, 93b. It comes to contact any of these.
  • the cam groove 916 also extends from the x-axis negative side toward the positive side with respect to the second roller 94b in the x-axis direction. That is, the cam groove 916 also extends from the right side in the drawing to the left side beyond the second roller 94b. Accordingly, the second roller 94a can move so as to straddle the second roller 94b, and the movable range of the second roller 94a can be ensured as large as possible. However, the roller 94a can move to the x-axis negative side by the thickness of the laminated sheet 40A from the roller 94b, and the laminated sheet supplied into the chamber 91 can be fed to either of the rollers 94a and 94b. It comes to contact.
  • variable amount of the path length becomes large, and the heating time can be adjusted to an optimum time according to various resin compositions. Further, there is an advantage that the chamber 91 can be reduced in size and cost.
  • the first roller 93a and the second roller 94a are moved using the linear guide 99.
  • a plurality of driving amounts of the motor 994 are set in advance (that is, a plurality of arrangement positions of the rollers 93a and 94a are set), and the driving amount of the motor 994 is appropriately selected, so that the rollers 93a and 94a The moving distance can be set. Further, without setting the driving amount of the motor 994 in advance, the operator can drive the motor 994 to move the first roller 93a and the second roller 94a to desired positions.
  • the first roller 93a and the first roller 93b have the same size, and the second roller 94a and the second roller 94b have the same size.
  • the first rollers 93a and 93b, the second rollers 94a and 94b, and the third roller 95 have the same size. Thereby, it is possible to easily grasp how long the path length is.
  • the decompression means 8 is operated prior to the rotation of the first rollers 71a and 71b, the second rollers 72a and 72b, and the third rollers 73a and 73b.
  • the space 70 is decompressed.
  • the heater 92 is operated to heat the inside of the chamber 91 to a predetermined temperature, that is, a temperature at which the resin layers 3, 3A, 4, 4A of the laminated sheets 40, 40A are cured.
  • the path length in the chamber 91 is adjusted to a predetermined amount, that is, an amount suitable for the resin layers 3 and 4 of the laminated sheet 40 to be cured.
  • the curing furnace 9 is set to any one of the state shown in FIG. 2, the state shown in FIG. 3, or the intermediate state between the states shown in FIGS. 2 and 3.
  • the motor 994 is driven, the screw shaft 993 is rotated, and the slider 992 is slid on the guide rail 991. Since the shaft portion 98 of the first roller 93a is connected to the motor 90 and the bearing installed on the slider 992, the shaft portion 98 of the roller 93a moves in the groove 915 as the slider 992 slides.
  • the roller 93 a is disposed on one end side of the groove 915.
  • the motor 994 is driven, the screw shaft 993 is rotated, and the slider 992 is slid on the guide rail 991. Since the shaft portion 98 of the second roller 94a is connected to the motor 90 and the bearing installed on the slider 992, the shaft portion of the roller 94a moves in the groove 916 as the slider 992 slides. In this embodiment, as shown in FIG. 2, the roller 94 a is disposed on one end side of the groove 916.
  • the fiber base material 2 is sent out into the space 70 from these rollers (continuously supplied).
  • the fiber base material 2 is wound around a supply roller, and is continuously supplied from the supply roller between the rollers 71a and 71b.
  • the first sheet 5a is sent out from between these rollers into the space 70 (continuously supplied).
  • the protective sheet 51 is wound (pulled) around the third roller 73 a, whereby the protective sheet 51 is peeled from the first resin layer 3.
  • the first resin layer 3 from which the protective sheet 51 has been peeled gradually approaches the fiber substrate 2 along the second roller 72a.
  • the peeled protective sheet 51 is sent out from between the first roller 71a and the third roller 73a toward the outside (outside the space 70).
  • the second roller 72b and the third roller 73b rotate, the second sheet 5b is fed into the space 70 from between these rollers.
  • the protective sheet 51 is wound around the third roller 73 b, whereby the protective sheet 51 is peeled from the second resin layer 4.
  • the second resin layer 4 from which the protective sheet 51 has been peeled gradually approaches the fiber substrate 2 along the second roller 72b.
  • the peeled protective sheet 51 is sent out from between the first roller 71b and the third roller 73b to the outside.
  • the protective sheet 51 can be peeled off in the space 70 immediately before (before) the first resin layer 3 and the second resin layer 4 are pressure-bonded to the fiber base material 2, respectively. Can be prevented from interfering with the pressure bonding of each resin layer, and each resin layer can be protected with the protective sheet 51 until just before the pressure bonding.
  • the fiber base material 2, the first resin layer 3, and the second resin layer 4 are collectively passed between the second roller 72a and the second roller 72b.
  • the first resin layer 3 is pressure-bonded to the fiber base material 2 from the upper side by the pressure contact force (contact force) F1 between the second roller 72a and the second roller 72b.
  • the second resin layer 4 is pressure-bonded to the fiber substrate 2 from below.
  • the space 70 is decompressed by the operation of the decompression means 8.
  • the decompression force F ⁇ b> 2 generated in the space 70 causes the pressure bonding between the fiber base material 2 and the first resin layer 3, and the fiber base material 2 and the second resin layer 4. Crimping can be assisted.
  • the pressure bonding by the pressure contact force F1 and the pressure bonding by the pressure reduction force F2 are combined to join the fiber base material 2 and the first resin layer 3 and the fiber base material 2 and the second resin layer 4. Strengthened. Thereby, the resin layers 3 and 4 can be impregnated inside the fiber base material 2. And, for example, regardless of the thickness and composition of the first resin layer 3 and the second resin layer 4, it is possible to manufacture a laminated sheet 40 in which the resin layers are securely and firmly bonded to the fiber base material 2. . Furthermore, the resin layers 3 and 4 can be reliably impregnated into the fiber base 2 by using the second roller 72a and the second roller 72b as heating rollers.
  • the space to be decompressed can be a space 70 surrounded by the first rollers 71a and 71b, the second rollers 72a and 72b, and the third rollers 73a and 73b. As small as possible. Thereby, when the decompression means 8 is operated, the decompression can be performed quickly. Further, high vacuum can be achieved.
  • the laminated sheet 40 sent out from the pair of rollers 72 a and 72 b is continuously sent into the chamber 91 from the inlet 913 of the chamber 91.
  • the rollers 93a, 93b, 94a, 94b, and 95 inside the chamber are rotated by the motor, the laminated sheet 40 moves inside the chamber 91. And it is continuously sent out of the chamber 91 from the outlet 914 of the chamber 91. More specifically, the laminated sheet 40 fed from the inlet 913 is folded back in the conveyance direction in the chamber 91 by the roller 93a and reaches the roller 93b. Then, the conveyance direction in the chamber 91 is folded back by the roller 93b and reaches the roller 94a.
  • the conveyance direction in the chamber 91 is turned back by the roller 94a and reaches the roller 94b. Further, the conveyance direction in the chamber 91 is turned back by the roller 94b, reaches the roller 95, and is discharged from the outlet 914 to the outside of the chamber 91.
  • the laminated sheet 40 is heated while passing through the chamber 91 without stopping in the chamber 91, and the curing of the resin layers 3 and 4 is promoted. Since the path length of the laminated sheet 40 in the chamber 91 is a size suitable for curing the resin layers 3 and 4, the curing is performed without excess or deficiency. And the lamination sheet 40 which came out of the chamber 91 becomes what each resin layer 3 and 4 hardened
  • the type of the resin layer supplied to the pressure bonding device 30A is changed from the resin layers 3 and 4 to the resin layers 3A and 4A.
  • the laminated sheet 40A is fed between the rollers 72a and 72b of the crimping apparatus 30A.
  • the laminated sheet 40A is different from the laminated sheet 40 in the composition of the resin layer, but the other points are the same as the laminated sheet 40.
  • the laminated sheet 40A is provided continuously with the laminated sheet 40. For example, there is a region where the fiber base material 2 is exposed between the end of the laminated sheet 40 and the end of the laminated sheet 40A, and the laminated sheet 40 and the laminated sheet 40A are connected through this region.
  • the edge part of the lamination sheet 40 and the edge part of the lamination sheet 40A may be in contact.
  • the laminated sheet 40 and the laminated sheet 40A constitute a series of continuous long laminated sheets.
  • the moving means described above is driven to change the arrangement of the rollers 93 a and 94 a in the chamber 91. Rollers 93a and 94a that are in contact with the long laminated sheets in a state where the series of long laminated sheets including the laminated sheet 40 and the laminated sheet 40A are in contact with the rollers 93b and 94b. Change the placement of.
  • the boundary portion between the end of the laminated sheet 40 in the conveyance direction rear end side and the end of the laminated sheet 40A reaches the inlet 913 of the chamber 91, that is, in a state where the laminated sheet 40 is positioned inside the chamber 91.
  • the arrangement of the rollers 93a and 94a in the chamber 91 is changed while conveying the laminated sheets 40 and 40A. Specifically, the arrangement of the rollers 93a and 94a in contact with the laminated sheet 40 is changed while the laminated sheet 40 and the rollers 93b and 94b are in contact with each other.
  • the timing of changing the arrangement of the rollers 93a and 94a is not limited to this, and the laminated sheet 40A enters the chamber 91 and the laminated sheet 40A is in contact with the rollers 93b and 94b.
  • the arrangement of the rollers 93a and 94a in contact may be changed. Furthermore, a region of only the fiber base 2 having a certain length is formed between the laminated sheets 40 and 40A, and the region of only the fiber base 2 is fed into the chamber 91, and only the fiber base 2 is inside the chamber 91. In such a state, the arrangement of the rollers 93a and 94a may be changed while conveying the laminated sheets 40 and 40A. It should be noted that the arrangement of the rollers 93a and 94a is changed while the conveyance of a series of long laminated sheets including the laminated sheets 40 and 40A is stopped and a part of the long laminated sheets is located in the chamber. May be.
  • the rollers 93a and 94a are arranged as shown in FIG.
  • the motor 994 is driven, the screw shaft 993 is rotated, and the slider 992 is slid on the guide rail 991. Since the shaft part 98 of the first roller 93a is connected to the motor 90 and the bearing installed on the slider 992, the shaft part 98 of the roller 93a moves in the groove 915 as the slider 992 slides.
  • the roller 93a is located in the chamber 91 and moves along the thickness direction (in the present embodiment, the x-axis direction) of the laminated sheet 40 in contact with the roller 93a. Then, as shown in FIG. 3, the roller 93 a is disposed on the other end side of the groove 915.
  • the roller 93a moves to the other end side of the groove 915, the roller 93a moves so that the laminated sheet 40A conveyed by the roller 93a contacts the roller 93b. Thereby, the laminated sheet 40A can be reliably conveyed.
  • the motor 994 is driven, the screw shaft 993 is rotated, and the slider 992 is slid on the guide rail 991. Since the shaft portion 98 of the second roller 94a is connected to the motor 90 and the shaft installed on the slider 992, the shaft portion of the roller 94a moves in the groove 916 as the slider 992 slides. Thereby, the roller 94a is located in the chamber 91 and moves along the thickness direction (x-axis direction in the present embodiment) of the laminated sheet 40 that is in contact with the roller 94a. In this embodiment, as shown in FIG. 3, the roller 94 a is disposed on the other end side of the groove 916.
  • roller 94a moves to the other end side of the groove 916, the roller 94a moves so that the laminated sheet 40A conveyed by the roller 94a can come into contact with the roller 94b. Thereby, a lamination sheet can be conveyed reliably.
  • the positions of the rollers 93a and 94a are changed with the chamber 91 closed without opening the chamber 91.
  • the laminated sheet 40 ⁇ / b> A is continuously fed into the chamber 91 from the inlet 913.
  • the conveyance direction is changed from the x-axis direction to the y-axis direction by the roller 93a, and the roller 93b and the roller 94a contact each other in this order.
  • the conveying direction is changed from the y-axis direction to the x-axis direction by the roller 94b, and the rollers 95 continuously discharge from the outlet 914.
  • the laminated sheet 40A is heated while passing through the chamber 91 without stopping in the chamber 91, and curing of the resin layers 3A and 4A is promoted. Since the path length of the laminated sheet 40A in the chamber 91 is a size suitable for the curing of the resin layers 3A and 4A, the curing is performed without excess or deficiency. Then, the laminated sheet 40A exiting from the chamber 91 is one in which the resin layers 3A and 4A are appropriately cured.
  • the moving means constituted by the linear guide 99 is arranged outside the chamber 91, the chamber 91 can be made small. Thereby, it becomes easy to keep the temperature in the chamber 91 stable.
  • two rollers 94 b, 95 arranged on the downstream side in the conveyance direction of the laminated sheet are fixed at positions fixed to the chamber 91. It is with Laura. By doing in this way, the discharge position of the lamination sheet 40 (40A) from the chamber 91 can be fixed, and the exit of the lamination sheet 40 (40A) formed in the chamber 91 can be made into one. Thereby, the temperature stability in the chamber 91 can be improved.
  • the heating device 30B includes a plurality of rollers that can move in the chamber 91.
  • rollers 93 a and 94 a are disposed in the chamber 91.
  • the path length of the laminated sheet in the chamber 91 can be set to various distances.
  • the impregnation to the fiber base material of the resin layers 3 and 4 (3A, 4A) may advance by heating the lamination sheets 40 and 40A in the heating apparatus 30B.
  • FIG. 9 A substrate 10 shown in FIG. 9 includes a laminate 11 and metal layers 12 provided on both surfaces of the laminate 11.
  • stacking sheet 40A can be cut
  • the eaves laminate 11 includes two prepregs 1 arranged with the second resin layers 4 facing each other, and an inner layer circuit board 13 sandwiched between the second resin layers 4.
  • the inner layer circuit board 13 is a board provided with an electric circuit (not shown).
  • the second resin layer 4 since the second resin layer 4 has the characteristics (flexibility) as described above, at least a part of the inner layer circuit board 13 is reliably embedded in the second resin layer 4. (Buried).
  • the metal layer 12 is a part that is processed into a wiring part, for example, by bonding a metal foil such as a copper foil or an aluminum foil to the laminate 11, or plating copper or aluminum on the surface of the laminate 11. It is formed.
  • the peel strength between the metal layer 12 and the first resin layer 3 is preferably 0.5 kN / m or more, and more preferably 0.6 kN / m or more. Thereby, the connection reliability in the semiconductor device 100 (refer FIG. 10) obtained by processing the metal layer 12 into a wiring part can be improved more.
  • two prepregs 1 each having a metal layer 12 formed on the first resin layer 3 are prepared, and the inner circuit board 13 is sandwiched between these prepregs 1, for example, a vacuum press
  • a vacuum press examples thereof include a method of laminating using a pressure laminator and a laminator heated and pressurized under vacuum.
  • the vacuum press can be performed with a normal hot press machine or the like sandwiched between flat plates.
  • Examples of such an apparatus include a vacuum press manufactured by Meiki Seisakusho, a vacuum press manufactured by Kitagawa Seiki Co., and a vacuum press manufactured by Mikado Technos.
  • a commercially available vacuum laminating machine such as a vacuum applicator manufactured by Nichigo Morton, a vacuum pressure laminator manufactured by Meiki Seisakusho, a vacuum roll type dry coater manufactured by Hitachi Techno Engineering, or the like A belt press etc. are mentioned, It can manufacture using these.
  • the substrate 10 may include a laminate in which the inner circuit board 13 is omitted and the two prepregs 1 are formed by directly joining the second resin layers 4 together, and the metal layer 12 is omitted. It may be a thing.
  • the semiconductor device 100 using the substrate 10 will be described with reference to FIG.
  • the fiber base material 2 and the inner layer circuit board 13 are omitted, and the first resin layer 3 and the second resin layer 4 are shown as one body.
  • the semiconductor device 100 shown in FIG. 10 connects the bump 501 to the multilayer substrate 200, the pad portion 300 provided on the upper surface of the multilayer substrate 200, the wiring portion 400 provided on the lower surface of the multilayer substrate 200, and the pad portion 300.
  • the semiconductor element 500 mounted on the multilayer substrate 200 is provided.
  • the multilayer substrate 200 includes a substrate 10 provided as a core substrate, three prepregs 1a, 1b, 1c provided on the upper side of the substrate 10, and three prepregs 1d, 1e provided on the lower side of the substrate 10. 1f.
  • the arrangement order of the resin layer 3 and the second resin layer 4 from the substrate 10 is the same. That is, the prepregs 1a to 1c and the prepregs 1d to 1f are vertically inverted from each other.
  • the multilayer substrate 200 includes a circuit unit 201a provided between the prepreg 1a and the prepreg 1b, a circuit unit 201b provided between the prepreg 1b and the prepreg 1c, and a prepreg 1d and the prepreg 1e.
  • the circuit portion 201d is provided, and the circuit portion 201e is provided between the prepreg 1e and the prepreg 1f.
  • the multilayer substrate 200 is provided through the prepregs 1a to 1f, and includes a circuit portion 202 that electrically connects adjacent circuit portions and circuit portions and pad portions.
  • the metal layers 12 of the substrate 10 are each processed into a predetermined pattern, and the processed metal layers 12 are electrically connected to each other by a conductor portion 203 provided through the substrate 10.
  • the semiconductor device 100 may be provided with four or more prepregs 1 on one side of the substrate 10. Furthermore, the semiconductor device 100 may include a prepreg other than the prepreg 1 of the present invention.
  • laminated sheet manufacturing apparatus and laminated sheet of this invention were demonstrated about embodiment of illustration, this invention is not limited to this, Each part which comprises a laminated sheet manufacturing apparatus and a laminated sheet is the same. It can be replaced with any structure that can perform its function. Moreover, arbitrary components may be added.
  • the pair of third rollers is installed in the laminated sheet manufacturing apparatus, but the present invention is not limited to this. For example, two or more sets may be installed.
  • each first roller, each second roller, and each third roller are different from each other in the outer diameter of the main body in the configuration shown in FIG.
  • the outer diameters of the parts may be the same.
  • the laminated sheet has a resin layer bonded to both sides of the fiber base material, but is not limited thereto, and the resin layer is bonded only to one side of the fiber base material. It may be.
  • a laminated sheet having such a configuration can also be produced by a laminated sheet production apparatus.
  • the covering member 900 moves on the rail R as the roller moves.
  • the present invention is not limited to this.
  • the covering member is attached to the chamber wall.
  • the covering member is removed from the wall of the chamber.
  • the rollers 93a and 94a are movable in the chamber 91.
  • the present invention is not limited to this.
  • FIG. 13 it is good also as a heating apparatus which can change the path
  • the laminated sheets are bridged in the order of rollers 93a, 93b, 94a, 94b, and 95. Thereafter, the laminated sheet 40 is heated while being conveyed. At this time, the laminated sheet 40 is discharged from the outlet 914.
  • the chamber 91 is opened, the laminated sheet 40A is bridged between the rollers 93a, 93b, and 94a, and the path length of the laminated sheet is changed. Thereafter, as shown in FIG. 13B, the laminated sheet 40A is heated while being conveyed. At this time, the laminated sheet 40A is discharged from the outlet 914A.
  • the path length variable means is constituted by the rollers 93a, 93b, 94a, 94b, 95 and the plurality of outlets 914, 914A.
  • the laminated sheets 40 and 40A may not be a series of continuous sheets. Furthermore, also in the said embodiment, the lamination sheets 40 and 40A do not need to be made into a series of continuous sheets.
  • the resin layer was hardened in the heating apparatus 30B, it is not restricted to this, The drying which drys a resin layer may be sufficient.
  • the lamination sheet 40 and the lamination sheet 40A from which this lamination sheet 40 differs in a resin layer composition were processed with the heating apparatus 30B, it is not restricted to this, Only the lamination sheet 40 is used with a heating apparatus. It may be processed. For example, after the heat treatment is performed on the upstream side portion (first laminated sheet) of the laminated sheet 40 in the roller arrangement shown in FIG. 2, the downstream side of the laminated sheet 40 in the conveyance direction is arranged with the roller shown in FIG. You may heat-process a part (2nd lamination sheet). By doing in this way, the lamination sheet which has several area
  • the lamination sheet was conveyed in the horizontal direction in the chamber 91, you may convey a lamination sheet not only in this but along the perpendicular direction (vertical direction) in the chamber 91.
  • the wall portion 911 in FIG. 2 may be the bottom surface side of the chamber, and the wall portion 912 may be the top surface side of the chamber 91.
  • the rollers 93a and 94a move in the vertical direction.
  • the rollers 93a and 94a are conveying rollers that are rotationally driven by the motor 90.
  • the rollers 93a and 94a are not limited thereto, and may be auxiliary rollers (driven rollers) that rotate following the conveyance of the laminated sheets.
  • the present invention includes the following forms.
  • a laminated sheet manufacturing apparatus for manufacturing a laminated sheet by heating a flexible strip-shaped substrate and a liquid or semi-solid resin composition supplied to one or both sides of the substrate.
  • a chamber through which the base material in a state where the resin composition is supplied passes, heating means for heating the inside of the chamber to advance the curing of the resin composition, and the base material through the chamber And a path length varying means for varying the length of the passage path.
  • the path length varying means is installed in the chamber, has at least a pair of rollers on which the base material is bridged and conveyed, and the pair of rollers can approach and separate from each other.
  • the laminated sheet manufacturing apparatus wherein the length of the passage path is variable by changing the distance between the axes.
  • One of the pair of rollers is fixed in position with respect to the chamber, the other roller is supported so as to be movable with respect to the chamber, and the path length varying means is the other roller.
  • the laminated sheet manufacturing apparatus according to (2) further including a cam groove that guides the other roller when the roller moves.
  • the laminated sheet manufacturing apparatus according to (2) or (3), wherein the inter-axis distance can be changed in multiple steps or steplessly.
  • the laminated sheet manufacturing apparatus according to any one of (2) to (4), wherein the pair of rollers have the same size.
  • the laminated sheet manufacturing apparatus according to any one of (2) to (5), wherein the heating unit includes a heater built in a wall portion of the chamber.
  • the resin composition is supplied to the base material in a liquid or semi-solid state, and is sent to the chamber while being pressed between the base material and the resin composition.
  • the laminated sheet manufacturing apparatus according to any one of (1) to (6), further including a supply roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne la production des feuilles stratifiées. Selon l'invention, un dispositif de chauffage (30B) est un dispositif de production de feuilles stratifiées destiné à chauffer une feuille stratifiée (une feuille stratifiée (40(40A)) qui n'a pas encore été chauffée par le dispositif de chauffage (30B)), comprenant une matière à base de fibres et une couche de résine acheminée à une ou à chacune des surfaces de la matière à base de fibres, pour produire la feuille stratifiée chauffée (40(40A)). Le dispositif de chauffage (30B) comprend : une chambre (91) à travers laquelle passe la feuille stratifiée (40(40A)) ; un moyen de chauffage (92) servant à chauffer l'intérieur de la chambre (91) pour chauffer la feuille stratifiée (40(40A)) ; et un moyen de variation de la longueur du trajet servant à faire varier la longueur du trajet sur lequel la feuille stratifiée (40(40A)) passe à travers la chambre (91).
PCT/JP2012/004619 2011-07-22 2012-07-20 Dispositif de production de feuilles stratifiées et procédé de production de feuilles stratifiées WO2013014893A1 (fr)

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EP2796292A1 (fr) * 2013-04-24 2014-10-29 Dongguan King Full Machinery Co., Ltd. Machine de fabrication de cuir artificiel empilé
EP3009266A1 (fr) * 2014-10-14 2016-04-20 Bayer Pharma Aktiengesellschaft Dispositif de chevauchement
WO2016178400A1 (fr) * 2015-05-01 2016-11-10 日立化成株式会社 Procédé de production de précurseur de plastique renforcé de fibres de verre et dispositif de production de celui-ci
WO2016178399A1 (fr) * 2015-05-01 2016-11-10 日立化成株式会社 Procédé de production de précurseur de plastique renforcé de fibres de verre et dispositif de production de celui-ci
EP3360687A1 (fr) * 2017-02-13 2018-08-15 Ricoh Company Ltd. Longueur de trajet réglable de médias imprimés dans un séchoir d'un système d'impression

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US20230323108A1 (en) * 2020-09-11 2023-10-12 Resonac Corporation Method for producing frp precursor

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EP2796292A1 (fr) * 2013-04-24 2014-10-29 Dongguan King Full Machinery Co., Ltd. Machine de fabrication de cuir artificiel empilé
EP3009266A1 (fr) * 2014-10-14 2016-04-20 Bayer Pharma Aktiengesellschaft Dispositif de chevauchement
WO2016058911A1 (fr) * 2014-10-14 2016-04-21 Bayer Pharma Aktiengesellschaft Dispositif de re-stratification
US9862171B2 (en) 2014-10-14 2018-01-09 Bayer Pharma Aktiengesellschaft Laminate changing device
EP3206873B1 (fr) 2014-10-14 2018-12-12 Bayer Pharma Aktiengesellschaft Dispositif de chevauchement
WO2016178400A1 (fr) * 2015-05-01 2016-11-10 日立化成株式会社 Procédé de production de précurseur de plastique renforcé de fibres de verre et dispositif de production de celui-ci
WO2016178399A1 (fr) * 2015-05-01 2016-11-10 日立化成株式会社 Procédé de production de précurseur de plastique renforcé de fibres de verre et dispositif de production de celui-ci
JPWO2016178399A1 (ja) * 2015-05-01 2018-02-22 日立化成株式会社 Ｆｒｐ前駆体の製造方法及びその製造装置
JPWO2016178400A1 (ja) * 2015-05-01 2018-02-22 日立化成株式会社 Ｆｒｐ前駆体の製造方法及びその製造装置
US10933562B2 (en) 2015-05-01 2021-03-02 Showa Denko Materials Co., Ltd. Method for producing FRP precursor and device for producing same
EP3360687A1 (fr) * 2017-02-13 2018-08-15 Ricoh Company Ltd. Longueur de trajet réglable de médias imprimés dans un séchoir d'un système d'impression
US10081198B2 (en) 2017-02-13 2018-09-25 Ricoh Company, Ltd. Adjustable path length of print media in a dryer of a printing system

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JP5962289B2 (ja) 2016-08-03

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