WO2013021893A1 - 積層体製造装置及び積層体の製造方法 - Google Patents

積層体製造装置及び積層体の製造方法 Download PDF

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Publication number
WO2013021893A1
WO2013021893A1 PCT/JP2012/069581 JP2012069581W WO2013021893A1 WO 2013021893 A1 WO2013021893 A1 WO 2013021893A1 JP 2012069581 W JP2012069581 W JP 2012069581W WO 2013021893 A1 WO2013021893 A1 WO 2013021893A1
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WIPO (PCT)
Prior art keywords
laminate
thickness
belt
spacer
film
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PCT/JP2012/069581
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English (en)
French (fr)
Japanese (ja)
Inventor
孝清 加藤
純也 笠原
隆久 高田
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宇部日東化成株式会社
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Application filed by 宇部日東化成株式会社 filed Critical 宇部日東化成株式会社
Priority to CN201280038930.5A priority Critical patent/CN103747959B/zh
Priority to JP2013527987A priority patent/JP5921549B2/ja
Priority to KR1020147004966A priority patent/KR101972906B1/ko
Publication of WO2013021893A1 publication Critical patent/WO2013021893A1/ja

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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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1027—Pressing using at least one press band
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/12—Copper
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/24—Aluminium
    • 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
    • B32B2457/00—Electrical equipment
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H05K2203/1545—Continuous processing, i.e. involving rolls moving a band-like or solid carrier along a continuous production path

Definitions

  • the present invention relates to a laminate manufacturing apparatus and a laminate manufacturing method for forming a laminate by thermocompression bonding of a sheet material between a pair of endless belts. More specifically, the present invention relates to a technique for forming a laminate having a thickness of 300 ⁇ m or more using a double belt press apparatus.
  • a so-called double belt press apparatus that forms a laminated body by thermocompression bonding of a sheet material between a pair of endless belts, for example, is used.
  • This double belt press device uses an endless belt to enable continuous pressurization, and heats and presses with a roll arranged inside the belt, and generates heat by flowing an electric current through a metal foil.
  • heating media such as heating air
  • the hydraulic double belt press device can press the belt surface directly from the inside of the belt by the hydraulic pressure and press the laminated body sandwiched between the belts by the surface pressure. It is possible to manufacture a laminated body continuously. For this reason, it is used for the production of thin metal foil laminates such as flexible substrates, and conventionally, a double belt press device that has improved the surface smoothness of the laminate by using a specific precipitation hardening type stainless steel belt Have also been proposed (see Patent Document 3).
  • Patent Documents 4 to 6 a method of manufacturing a thick laminate using a double belt press apparatus has also been proposed (see, for example, Patent Documents 4 to 6).
  • a thermocompression-bonding multilayer polyimide film having a thickness of 5 to 40 ⁇ m and a metal plate or a ceramic plate having a thickness of 5 to 2 mm are laminated by a double belt press device. ing.
  • a fiber reinforced thermosetting resin plate (FRP) obtained by curing glass fibers with a thermosetting resin such as epoxy is used as a base material by a double belt press apparatus, and the thickness is 0.
  • An electrical copper foil laminate of about 5 to 0.7 mm is formed.
  • a laminated laminate is formed.
  • the conventional double belt device described above has a problem that a thick laminate, particularly a laminate having a processing thickness of 300 ⁇ m or more cannot be manufactured continuously and stably.
  • a thick laminate particularly a laminate having a processing thickness of 300 ⁇ m or more cannot be manufactured continuously and stably.
  • the pressurized liquid leaks, and heating / pressurization by the belt becomes unstable.
  • a copper foil laminate having a relatively large thickness is produced by attaching strip-like tapes to both ends in the width direction of the endless belt over the entire surface.
  • the heating and pressurizing method is not a hydraulic pressure method using a heating medium, there is no concern about destabilization of surface pressure due to leakage of pressurized liquid, but it is based on continuous operation. As the belt temperature rises and falls repeatedly, there are problems that wrinkles and deviations are likely to occur and the durability is poor.
  • the main object of the present invention is to provide a laminate manufacturing apparatus and a laminate manufacturing method capable of stably and continuously producing a thick laminate regardless of heating conditions.
  • the present inventor has conducted extensive experiments to solve the above-described problems, and as a result, has obtained the following knowledge.
  • a laminated body with a large processing thickness is formed by a hydraulic double belt press device, especially when a laminated body with a total thickness of 300 ⁇ m or more is formed, bending occurs mainly at both ends in the width direction of the belt. I found out.
  • the present inventor has further studied, and by attaching a belt-shaped spacer having a specific thickness laminated with a heat-resistant resin film on the surface of the sheet material side of at least one endless belt, even when the processing thickness is large.
  • the inventors have found that the belt can be prevented from being bent, and have reached the present invention.
  • the reason why the above-described problem occurs due to continuous operation is that the belt-like spacer is slippery like a fibrous base material impregnated with a fluorine-based resin, and an endless belt. This is probably because a material having a large difference in coefficient of linear thermal expansion from the steel material constituting the material is used.
  • the laminate manufacturing apparatus has an endless belt arranged in a pair of upper and lower sides, and a thermocompression bonding device arranged in each inner region of the endless belt, and a plurality of the endless belts are arranged between the endless belts.
  • a laminate manufacturing apparatus that continuously feeds sheet material and thermocompression-bonds the sheet material via the endless belt by the thermocompression bonding apparatus to form a laminate, and the thickness of the formed laminate is 300 ⁇ m. ⁇ 2mm
  • At least one of the endless belts is detachably mounted with a heat-resistant resin film having a thickness of 200 ⁇ m or less as a strip spacer at both ends of the surface in contact with the sheet material.
  • the total thickness of the spacers is 10 to 190% of the thickness of the laminate.
  • the endless belt may be provided with two or more layers of the heat-resistant resin film as a strip spacer.
  • a polyimide film can be used for the said heat resistant resin film, for example.
  • the total thickness of the strip spacer may be 275 ⁇ m or more.
  • a plurality of sheet materials are continuously fed between a pair of upper and lower endless belts, and the endless belt is provided by a thermocompression bonding device disposed in each inner region of the endless belt.
  • the sheet material is thermocompression-bonded through a method to form a laminate, and the total thickness is the thickness of the laminate at both ends of the surface of the endless belt that is in contact with the sheet material.
  • a belt-shaped spacer is formed by detachably attaching a heat-resistant resin film having a thickness of 200 ⁇ m or less so that the thickness is 10 to 190% of the thickness. Using an endless belt with the belt-shaped spacer, the thickness is increased.
  • a laminated body of 300 ⁇ m to 2 mm is formed.
  • two or more layers of the heat-resistant resin film may be superimposed on the endless belt as a strip-like spacer.
  • you may use a polyimide film as the said heat resistant resin film.
  • the total thickness of the strip spacer can be set to, for example, 275 ⁇ m or more.
  • the resin film and metal foil or metal plate may be thermocompression bonded at a temperature of 300 to 400 ° C. to form a metal foil laminate.
  • a polyimide film or a wholly aromatic polyester film can be laminated with a metal foil or a metal plate made of copper or a copper alloy, aluminum or an aluminum alloy, or stainless steel.
  • a belt-like spacer having a specific thickness using a heat-resistant resin film having a thickness of 200 ⁇ m or less is detachably attached to at least one of the endless belts.
  • a thick laminate can be stably produced continuously.
  • FIG. 1 is a side view schematically showing the configuration of the laminate manufacturing apparatus of the present embodiment
  • FIG. 2 is a cross-sectional view in the belt width direction.
  • the arrow x in FIG. 1 has shown the advancing direction of each sheet material which comprises a laminated body.
  • the laminate manufacturing apparatus 1 of the present embodiment is a hydraulic double belt press apparatus, in which a pair of endless belts 2 a and 2 b are arranged in a vertical direction so as to be rotatable by a drum 4.
  • the sheet materials 11 to 13 constituting the laminated body are fed between them.
  • a hydraulic plate 3 as a thermocompression bonding device is disposed in the inner region of each endless belt 2a, 2b, and the sheet materials 11 to 13 are arranged by the hydraulic plate 3 via the endless belts 2a, 2b. Is thermocompression bonded.
  • the endless belts 2a and 2b are made of a heat resistant resin film on both ends of the surface of the endless belt 2a, 2b that contacts the sheet material 11-13.
  • a belt-like spacer 5 is detachably attached.
  • the laminate manufacturing apparatus 1 can manufacture a thin laminate, but is particularly suitable for manufacturing a laminate having a thickness of 300 ⁇ m to 2 mm.
  • the material of the endless belts 2a and 2b may be stainless steel.
  • SUS300 series, 400 series and 600 series can be used, and SUS600 series is particularly preferable from the viewpoint of yield strength at high temperatures.
  • the thickness and width are not particularly limited, but from the viewpoint of stable production of the laminate, the thickness is preferably 0.5 to 3 mm, more preferably 0.8 to 2.4 mm.
  • the width of the endless belts 2a and 2b is preferably 700 to 1000 mm.
  • FIG. 3 is a plan view showing the configuration of the hydraulic plate 3. As shown in FIG. 3, the hydraulic plate 3 is arranged such that the pressing surface 31 faces the inner surface of the endless belt 2 a. Further, a groove 33 is provided along the peripheral edge 32 of the pressure surface 31 of the hydraulic pressure plate 31, and a hydraulic pressure sealing frame 34 is attached to the groove 33.
  • the hydraulic sealing frame 34 is in contact with the endless belts 2a and 2b, and the liquid medium is placed in the space formed by the pressing surface 31 of the hydraulic plate 3, the hydraulic sealing frame 34 and the endless belts 2a and 2b. Filled.
  • the liquid medium can be appropriately selected according to the processing temperature, but it is desirable to use a liquid medium that can withstand continuous operation at 400 ° C., for example. In particular, it is desirable to use one having a pour point of ⁇ 45 to ⁇ 15 ° C. so that it can be used in a wide temperature range from stop to continuous operation.
  • the apparatus for heating a liquid medium may be provided in the inside of the laminated body manufacturing apparatus 1, or may be provided in the exterior, from the ease of temperature control, the endless belts 2a and 2b It is desirable to be provided in the vicinity.
  • the belt-like spacer 5 is made of a heat-resistant resin film having a thickness of 200 ⁇ m or less or a heat-resistant film having a heat-resistant resin layer, and the total thickness is 10 to 190% of the thickness of the laminate 10 to be formed. .
  • the strip spacer 5 preferably has a structure in which two or more heat-resistant resin films are stacked, but may be formed of one layer. Moreover, what laminated
  • the belt-like spacer 5 is made of a material other than the heat-resistant resin film such as a resin film having no heat resistance, the belt-like spacer is significantly deformed by heating at 300 ° C. or higher, and the thickness of the laminated body 10 is 10. It becomes difficult to maintain a thickness of ⁇ 190%. Furthermore, when the belt-like spacer 5 is formed only of a metal material such as aluminum or stainless steel, there is no problem in heat resistance, but since the plastic recovery is poor, deformation occurs during continuous use, and the thickness is as described above. Can not be secured.
  • the heat-resistant resin film is excellent in recovery from sag, and can be attached to and detached from the endless belts 2a and 2b using static electricity without being fixed with an adhesive or an adhesive.
  • excellent recoverability and cushioning properties can be obtained by the action of slipping between layers.
  • the recovery property and cushioning property can be further improved by making the spacer 5 into the structure which laminated
  • the endless belts 2a and 2b bend due to the difference in thickness between the belt-like spacer 5 and the laminated body 10. .
  • the metal hydraulic sealing frame 34 cannot follow the magnitude of the bending, the sealing function is lowered, and the liquid medium leaks.
  • the difference between the thickness of the laminated body 10 and the thickness of the belt-like spacer 5 is desirably less than 270 ⁇ m, which can reliably suppress the leakage of the liquid medium.
  • the thickness of the strip spacer 5 is desirably 275 ⁇ m or more.
  • the material of the heat resistant resin film constituting the strip spacer 5 may be any material that can withstand use under a temperature condition of 400 ° C., and for example, a polyimide film or a liquid crystal resin film can be used. In addition to the heat resistance and pressure resistance, it is desirable to use a film having a linear thermal expansion coefficient close to that of the endless belt 2 as the heat resistant resin film constituting the strip spacer 5.
  • the belt-like spacer 5 is made of a polyimide film (coefficient of linear thermal expansion: 18 ⁇ 10 ⁇ 6 to 20 ⁇ 10 ⁇ 6 ). As a result, even when the continuous operation is performed at 300 degrees or more, the belt-like spacer 5 can follow the expansion and contraction due to heating and cooling of the endless belts 2a and 2b.
  • the heat resistant resin film constituting the strip spacer 5 preferably has an elastic modulus of 3 GPa or more, and a polyimide film is also preferable from the viewpoint of this elastic modulus. Furthermore, the polyimide film is excellent in wear resistance as compared with other heat-resistant resin films such as fluorine resin.
  • the width of the belt-like spacer 5 can be appropriately selected according to the width of the laminated body to be processed, but is preferably 20 mm or more from the viewpoint of suppressing sag.
  • the width of the strip spacer 5 is preferably 20 to 200 mm, more preferably 50 to 150 mm.
  • the belt-like spacer 5 described above is at least partially disposed at a position facing the hydraulic sealing frame 34 of the hydraulic plate 3 with the endless belts 2a and 2b interposed therebetween.
  • the belt-like spacer 5 is desirably located directly below or directly above the hydraulic pressure sealing frame 34 via the endless belts 2a and 2b.
  • the distance between the belt-like spacer 5 and the sheet materials 11 to 13 is 0 mm, but the sheet materials 11 to 13 meander. Therefore, continuous production in this state is difficult. Therefore, it is desirable to provide a certain distance between the strip spacer 5 and the sheet materials 11 to 13.
  • the distance between the belt-like spacer 5 and the sheet material 11 to 13 is preferably 10 to 40 mm, more preferably 12 to 30 mm.
  • these distances are less than 10 mm, the sheet materials 11 to 13 and the strip spacer 5 may come into contact with each other or the sheet materials 11 to 13 may run on the strip spacer 5 due to meandering during the crimping process. If these distances exceed 40 mm, the endless belts 2a and 2b are likely to bend, and the effect of preventing the liquid medium from leaking is reduced.
  • the method for attaching the belt-like spacer 5 is not particularly limited. For example, while rotating the endless belts 2a and 2b, heat-resistant resin films having a predetermined width are formed on the left and right ends thereof to have a predetermined thickness. There is a way to wrap around. At this time, it is desirable to control the tension so as not to cause the belt-like spacer 5 to be wound or wrinkled.
  • the belt-like spacer 5 corresponds to the accompanying change in the length direction of the endless belts 2a and 2b. Specifically, when the belt-like spacer 5 is attached, it is preferable to overlap the heat-resistant resin film by a length corresponding to a length corresponding to linear expansion plus a pre-length (attached in an overlapping manner). .
  • a heat resistant resin film having a thickness of 200 ⁇ m or less is used, and a strip-like spacer having a total thickness of 10 to 190% of that of the laminate 10. 5 and the belt-like spacer 5 is detachably attached to both end portions of at least one sheet material side surface of the endless belts 2a and 2b. Therefore, the belt-like spacer 5 is thick not only at a low temperature but also at a high temperature. A laminated body of products can be stably and continuously produced.
  • FIG. 4 is a perspective view schematically showing a method for manufacturing the laminate of this embodiment.
  • the same components as those of the laminate manufacturing apparatus 1 shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the laminate manufacturing method of this embodiment the laminate 20 having a thickness of 300 ⁇ m to 2 mm is formed using, for example, the laminate manufacturing apparatus 1 of the first embodiment described above. To do.
  • a plurality of sheet materials are continuously fed between the endless belts 2a and 2b arranged in a pair of upper and lower ends, and the endless belt 2a is formed by a thermocompression bonding device arranged in each inner region of the endless belts 2a and 2b. , 2b, the sheet material is thermocompression bonded to form a laminate.
  • at least one of the endless belts 2 a and 2 b is an endless belt with a belt-like spacer 5.
  • the laminated body 20 of the resin film 22 and metal foil or the metal plates 21 and 23 is formed, for example.
  • the resin film 22 only needs to be plasticized at 300 ° C. or higher.
  • a polyimide film or a wholly aromatic polyester film can be used.
  • These resin films 22 may be a single layer or multiple layers, but when the laminate 20 is a substrate material for an electronic circuit, from the viewpoint of adhesive strength with metal foils or metal plates 21 and 23 and dimensional stability, it is preferable that the surface has a thermoplastic component and the inside is composed of a non-thermoplastic component. Further, for example, a thermocompression bonding polyimide resin film such as Upireskus VT manufactured by Ube Industries, Ltd. is particularly preferable because a thermoplastic polyimide is seamlessly disposed on the surface and a non-thermoplastic polyimide is seamlessly disposed inside.
  • the metal foils 21 and 23 are preferably a rolled foil made of copper or a copper alloy, an electrolytic foil, an aluminum foil, an aluminum alloy foil, or a foil made of stainless steel. Used for.
  • a plate-like body made of copper, copper alloy, aluminum, aluminum alloy, or stainless steel can be used.
  • the heating temperature is set to 300 ° C. or higher and the pressure bonding pressure is set to 2.5 MPa or higher. It is desirable. Thereby, for example, when copper foil is used for the metal foils 21 and 23, the peel strength can be set to 0.8 N / mm or more.
  • the processing temperature is preferably 315 ° C. or higher.
  • the flow rate (leakage amount) of the liquid medium must be suppressed to 10 L / min or less, and this state must be maintained. Thereby, the pressure bonding pressure and the heating temperature can be stably controlled within the range of the above-described values.
  • the “flow rate of the liquid medium” means that the heated liquid medium is in a space formed by the pressure surface 31 of the hydraulic plate 3, the hydraulic sealing frame 34, and the endless belts 2a and 2b by a pump.
  • the “amount of liquid medium leakage” is an amount by which the liquid medium leaked from the space is returned to the pump or the heating device again.
  • the liquid medium flow rate and the leakage amount are basically the same.
  • a heat-resistant resin film having a thickness of 200 ⁇ m or less is used, and the strip-like spacer 5 having a total thickness of 10 to 190% of the laminate 10.
  • the belt-like spacers are detachably attached to both end portions of at least one sheet material side surface of the endless belts 2a and 2b, so that the thick spacer can be used not only at a low temperature but also at a high temperature.
  • the laminate can be continuously produced stably.
  • the configuration and effects other than those described above in the present embodiment are the same as those in the first embodiment described above.
  • the present invention shows an example in which the belt-like spacer 5 is attached to the upper endless belt 2a.
  • the present invention is not limited to this, and the belt-like spacer 5 is attached to the lower endless belt 2b. It may be attached or may be attached to the endless belts 2a and 2b on both the upper and lower sides. In these cases, the same effect as that obtained when the apparatus shown in FIG. 4 is used can be obtained.
  • circuit board using the laminated body manufactured by the laminated body manufacturing apparatus 1 of this embodiment can be plastically processed and can maintain the shape at the time of processing without a support, Suitable for three-dimensional molding.
  • a conventional heat dissipation board used for LED lighting has a difficulty in plastic processing because an insulating layer is formed of a hard material such as an epoxy resin or an epoxy resin impregnated glass cloth base.
  • an LED bulb has been proposed in which a flexible circuit board or a rigid board is attached to a frustum-shaped pedestal with an adhesive tape or the like so that LEDs can be arranged three-dimensionally.
  • this technology has low productivity because it is necessary to separately manufacture and assemble the base and the substrate on which the LEDs are mounted, and the reliability is inferior because the base and the substrate are bonded.
  • the laminate manufactured by the laminate manufacturing apparatus 1 of the present embodiment is excellent not only in heat dissipation but also in workability and shape retention, for example, a case circuit or a substrate for LED lighting Therefore, it can be applied to a substrate for large current and the like, and a circuit substrate excellent in productivity and reliability can be realized.
  • FIG. 5 is a side view schematically showing a method for manufacturing a laminate according to a first modification of the second embodiment of the present invention.
  • the same components as those of the laminate manufacturing apparatus 1 shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the material sheets 16 to 18 are fed together with the material sheets 11 to 13 between the endless belts 2a and 2b to form the two laminates 10 and 15. .
  • the thickness of the strip spacer 5 is 10 to 190% of the total thickness of the laminated bodies 10 and 15.
  • the belt-like spacer 5 is attached to the endless belts 2a and 2b.
  • the belt-like spacer 5 can be fed between the endless belts 2a and 2b together with the material sheets 11 to 13. .
  • FIG. 6 is a side view schematically showing a method for manufacturing a laminate according to a second modification of the second embodiment of the present invention.
  • the same components as those of the laminate manufacturing apparatus 1 shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the belt-like spacer 5 is rolled and fed together with the material sheets 11 to 13 between both end portions of the endless belts 2a and 2b.
  • the rewinded roll can be used again as the belt-like spacer 5, but there is a problem in terms of continuous production, and the apparatus layout such as feeding and winding before and after the laminate manufacturing apparatus 1 is problematic. There are also challenges.
  • the laminated body was manufactured by the method and conditions shown below, and the performance was evaluated.
  • Example 1 ⁇ Production of endless belt> First, a non-thermocompression-bondable polyimide film having a thickness of 35 ⁇ m (Upilex S manufactured by Ube Industries Co., Ltd.) was cut into a width of 130 mm as a band-shaped spacer to produce a long band-shaped material. Next, this long belt-like object was mounted with its width direction end portions aligned at positions 20 mm inside from the left and right end portions of a stainless steel endless belt having a thickness of 1.4 mm and a width of 900 mm prepared in advance. .
  • a non-thermocompression-bondable polyimide film having a thickness of 35 ⁇ m Upilex S manufactured by Ube Industries Co., Ltd.
  • an endless belt with a belt-like spacer was produced by winding the belt with pressure applied by the other endless belt while winding a long belt around a predetermined position on the left and right sides of the endless belt.
  • the endless belt and the belt-like spacer constitute the belt-like spacer only by the flexibility of the film and the static electricity naturally generated by this operation. It was possible to wind the conductive resin sheets in a uniform and close contact state. Note that the thickness of the manufactured belt-like spacer was 315 ⁇ m.
  • the endless belt with a spacer produced by the method described above was attached to a hydraulic double belt press apparatus.
  • This hydraulic double belt press apparatus has a mechanism for heating with a liquid medium, and includes a device for heating the liquid medium and a pump for pressurizing and flowing the heated liquid medium into the apparatus main body.
  • the endless belt with a spacer was mounted from the side of the apparatus so as to be entangled with the drive and guide rollers as a lower belt, and thereafter, tension and meandering adjustment were performed.
  • thermocompression bonding polyimide film (Upilex VT / roll winding / thickness 25 ⁇ m / width 540 mm, manufactured by Ube Industries, Ltd.) was used as the resin film.
  • a rolled copper foil (HPF-ST35E / coil winding / thickness 35 ⁇ m / width 540 mm) manufactured by Hitachi Cable, Ltd. is used for one of the metal foils, and an aluminum foil (H5052 / Furukawa Sky Co., Ltd.) is used for the other.
  • Coil winding / thickness 300 ⁇ m / width 540 mm) was used.
  • the total thickness of the sheet material was 360 ⁇ m, and the sheet material was fed into the double belt press device while being fed out so that the center in the width direction was the center in the width direction of the endless belt. Also, thermocompression bonding was performed at a liquid medium set temperature of 340 ° C. and a set pressure of 3.0 MPa to prepare a metal foil laminate in which a copper foil was laminated on one surface of the polyimide film and a ruminium foil was laminated on the other surface. .
  • belt-shaped spacer was 30 mm.
  • compression-bonding part of a double belt press apparatus was 340 degreeC, and the pressure was 3.0 Mpa, and was the same as the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 5.0 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the metal foil laminate of Example 1 manufactured by the above-described method has a thickness of 360 ⁇ m, and the thickness of the strip spacer is 45 ⁇ m smaller than the thickness of the laminate, but there are problems in the thermocompression bonding process and the like. Thus, the target laminate was produced.
  • the uneven shape of the copper foil mat surface transferred to the polyimide film surface was visually observed, and the portions judged to be abnormal due to the color tone difference were visually marked by visual observation.
  • the marking portion was photographed 100 times with a scanning electron microscope (SEM), and the press bonding property was determined by visual observation using the SEM image.
  • Adhesive strength of copper foil Adhesive strength between the resin film surface and the copper foil surface conforms to JIS C6471 (1995), using sliding support brackets under standard conditions, and 90 ° peel strength It was evaluated by measuring the thickness. In the measurement, in the stable region excluding overshoot at the start of measurement, the center part in the width direction of the metal laminate and the part 100 mm outside from the center were collected in the longitudinal direction. This was measured for a total of nine samples at three locations in the length direction, and the average value was taken as the adhesive strength. A tensile tester manufactured by Minebea Co., Ltd. (model: TG-2KN) was used.
  • the adhesive strength between the copper foil and the resin film was 2.0 N / mm. As a result of observing the fracture surface, it was found that the film was clearly broken with a film resin and had sufficient physical properties without problems for substrates such as electronic circuits.
  • Example 2 An endless belt with a spacer was produced under the same method and conditions as in Example 1 except that the number of heat-resistant resin sheets was 15 and the thickness of the strip spacer was 525 ⁇ m. And the metal foil laminated body of Example 2 was produced on the same conditions as Example 1 using the double belt apparatus which attached this endless belt on the same conditions as Example 1.
  • FIG. 2 An endless belt with a spacer was produced under the same method and conditions as in Example 1 except that the number of heat-resistant resin sheets was 15 and the thickness of the strip spacer was 525 ⁇ m.
  • the metal foil laminated body of Example 2 was produced on the same conditions as Example 1 using the double belt apparatus which attached this endless belt on the same conditions as Example 1.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 334 ° C.
  • the pressure was 2.8 MPa, which were somewhat lower than the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 6.5 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the metal foil laminate of Example 2 produced by the method described above had a thickness of 360 ⁇ m and the thickness of the strip spacer was 165 ⁇ m larger than the thickness of the obtained laminate. There was no problem, and the target laminate could be produced.
  • Example 3 An endless belt with a spacer was produced under the same method and conditions as in Example 1 except that the number of heat-resistant resin sheets was 13 layers and the thickness of the belt-like spacer was 455 ⁇ m. And using the double belt apparatus which attached this endless belt on the same conditions as Example 1, the metal foil laminated body by which the copper foil was laminated
  • the distance from the both ends in the width direction of the metal foil to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of a double belt press apparatus was 330 degreeC, and the pressure was 2.7 Mpa, and was a value lower than the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 7.5 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the metal foil laminate of Example 3 produced by the method described above had a set thickness of 360 ⁇ m and a total thickness of 720 ⁇ m. Further, although the thickness of the strip spacer was 265 ⁇ m smaller than the total thickness of the obtained laminated body, no problem occurred in the thermocompression bonding process and the like, and the intended laminated body could be produced.
  • Example 4 An endless belt with a spacer was produced under the same method and conditions as in Example 1 except that the number of heat-resistant resin sheets was 29 and the thickness of the strip spacer was 1015 ⁇ m (1.015 mm). Then, using a double belt device to which this endless belt was attached under the same conditions as in Example 1, with the same method and conditions as in Example 3, copper foil was placed on one side of the polyimide film and aluminum on the other side. Two sets of metal foil laminates with laminated foils were produced.
  • the distance from the both ends in the width direction of the metal foil to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 329 ° C., and the pressure was 2.7 MPa, which were lower than the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 8.4 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the amount of leakage of the liquid medium is increased, and the circulation amount of the liquid medium whose temperature is lowered is increased.
  • the temperature and pressure of the liquid medium are sufficiently safe for thermocompression bonding. Although it was lower than the value, there was no problem in the operability of the thermocompression bonding process.
  • the metal foil laminate of Example 4 produced by the method described above had a set thickness of 360 ⁇ m and a total thickness of 720 ⁇ m. Further, although the thickness of the strip spacer was 295 ⁇ m larger than the total thickness of the obtained laminate, the target laminate could be produced without any problem.
  • Example 5 In the same manner as in Example 1 described above, 27 layers of a long strip obtained by cutting a 70 ⁇ m-thick non-thermocompression-bondable polyimide film (Upilex S manufactured by Ube Industries Co., Ltd.) into a width of 130 mm are stacked, A belt-like spacer having a length of 1890 ⁇ m (1.89 mm) was produced. Then, the endless belt provided with the belt-like spacer was attached to the double belt press device in the same manner as in Example 1.
  • a 70 ⁇ m-thick non-thermocompression-bondable polyimide film Upilex S manufactured by Ube Industries Co., Ltd.
  • this double belt press apparatus was used to change the aluminum foil into an aluminum plate having a thickness of 2000 ⁇ (2 mm) and a width of 540 mm (F505 / coil-made by Furukawa Sky Co., Ltd.). 1 was used to produce a metal plate laminate of Example 5.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 332 ° C.
  • the pressure was 2.8 MPa, which were somewhat lower than the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 6.5 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the end face part in the length direction of the aluminum plate did not become a laminate that could be used as a product, but there was no problem in the operability of the thermocompression bonding process.
  • the metal plate laminate of Example 5 manufactured by the above-described method had a thickness of 2060 ⁇ m (2.06 mm), and the thickness of the strip spacer was 170 ⁇ m smaller than the thickness of the obtained laminate.
  • the target laminate could be produced without any problem.
  • an aluminum plate having a thickness of 2000 ⁇ m (2 mm) (H5052 / plate material manufactured by Furukawa Sky Co., Ltd.), a plate having a width of 540 mm and a length of 2000 mm is not interrupted. Even when continuously fed to the double belt device, a metal laminate can be obtained in the same manner.
  • Example 6 In the same manner as in Example 1 described above, 42 layers of long strips obtained by cutting a 7.5 ⁇ m-thick non-thermocompression-bondable polyimide film (Upilex S manufactured by Ube Industries, Ltd.) into a width of 130 mm were overlaid. A strip spacer having a thickness of 315 ⁇ m was prepared. Then, the endless belt provided with the belt-like spacer was attached to a double belt press device, and a metal foil laminate of Example 6 was produced by the same method and conditions as in Example 1.
  • a 7.5 ⁇ m-thick non-thermocompression-bondable polyimide film Upilex S manufactured by Ube Industries, Ltd.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 340 ° C.
  • the pressure was 3.0 MPa, which was the same as the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 5.0 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the metal foil laminate of Example 6 produced by the method described above had a thickness of 360 ⁇ m and the thickness of the strip spacer was 45 ⁇ m smaller than the thickness of the obtained laminate. There was no problem, and the target laminate could be produced.
  • Example 7 In the same manner as in Example 1 described above, three layers of long strips obtained by cutting a 125 ⁇ m-thick non-thermocompression-bondable polyimide film (Upilex S, Ube Industries, Ltd.) into a width of 130 mm are stacked, A belt-like spacer having a length of 375 ⁇ m was produced. Then, the endless belt provided with the belt-like spacer was attached to a double belt press device, and the metal foil laminate of Example 7 was produced under the same method and conditions as in Example 1.
  • a 125 ⁇ m-thick non-thermocompression-bondable polyimide film Upilex S, Ube Industries, Ltd.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 340 ° C., and the pressure was 3.0 MPa. The same values as the set temperature and pressure could be reproduced, and it was extremely stable.
  • the flow rate of the liquid medium measured at the pump outlet is as small as 2.0 L / min, and the liquid medium leaking from the sealed frame is very small. Therefore, it is considered that stable conditions for both temperature and pressure could be maintained. Thereby, the metal foil laminated body was able to be manufactured without any problem in the operability of the thermocompression bonding process.
  • the metal foil laminate of Example 7 produced by the above-described method has a thickness of 360 ⁇ m, and the thickness of the strip spacer is only 15 ⁇ m larger than the thickness of the obtained laminate, and is intended without any problem.
  • a laminate could be produced.
  • Example 8 Using the same double belt press apparatus as Example 1 mentioned above, 4 sets of metal foil laminated bodies which laminated the rolled copper foil on both surfaces of the resin film were produced simultaneously. At that time, a thermocompression bonding polyimide film (Upilex VT / roll winding / thickness 50 ⁇ m / width 540 mm, manufactured by Ube Industries, Ltd.) was used as the resin film.
  • the metal foil uses a rolled copper foil (HPF-SP18E / coil winding / thickness 18 ⁇ m / width 540 mm, manufactured by Hitachi Cable, Ltd.) on one side on one side and a rolled copper foil ( Hitachi Cable, Ltd. HPF-SP18E / coil winding / thickness 18 ⁇ m / width 540 mm) was used.
  • Example 2 it produced on the same conditions as Example 1 mentioned above except sending four sets of material sheets into a double belt apparatus continuously.
  • the total thickness of the material sheet was 344 ⁇ m.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of a double belt press apparatus was 340 degreeC, and the pressure was 3.0 Mpa, and was the same value as set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was as small as 3.4 L / min, and this amount leaked from the sealed frame and returned to the liquid medium heating device to circulate.
  • the metal foil laminate of Example 8 produced by the method described above had a set thickness of 86 ⁇ m and a total thickness of 344 ⁇ m. Further, the thickness of the belt-like spacer was 29 ⁇ m smaller than the total thickness of the obtained laminate, and there was no problem in the thermocompression bonding process and the intended laminate could be produced.
  • Example 9 An endless belt, as a strip spacer, a 25 ⁇ m thick heat-adhesive polyimide film (Upilex VT manufactured by Ube Industries Co., Ltd.) cut to a width of 130 mm and a stainless steel (SUS) with a thickness of 30 ⁇ m and a width of 130 mm ) 5 layers of laminates of long strips of foil were stacked. Specifically, a heat-adhesive polyimide film and a SUS foil strip are superposed while being heated with hot air of 300 to 400 ° C. by an electrothermal hot air generator (manufactured by Leister Technologies). An endless belt with a spacer was produced by winding a conductive polyimide film on the surface side of the endless belt and winding it around the endless belt.
  • a heat-adhesive polyimide film Upilex VT manufactured by Ube Industries Co., Ltd.
  • SUS stainless steel
  • the thickness of the belt-like spacer in the endless belt with spacer thus obtained was 275 ⁇ m. Then, the endless belt provided with the belt-like spacer was attached to a double belt press apparatus, and a metal foil laminate of Example 9 was produced by the same method and conditions as in Example 1.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm. Further, the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 340 ° C., and the pressure was 2.9 MPa, which was almost the same as the set temperature and pressure. Furthermore, the flow rate of the liquid medium measured at the pump outlet was 5.9 L / min, and this amount leaked from the sealed frame and returned to the liquid medium heating device to circulate.
  • the metal foil laminate of Example 9 produced by the method described above had a thickness of 360 ⁇ m, and the thickness of the strip spacer was 85 ⁇ m smaller than the thickness of the obtained laminate. However, no problem occurred, and the target laminate could be produced.
  • Example 10 A method similar to that of Example 1 described above, except that a stainless steel endless belt having a thickness of 1.4 mm and a width of 900 mm prepared in advance was layered with 9 layers of strips at positions 38 mm from the left and right ends. Then, an endless belt with a spacer was manufactured under the conditions. Then, the endless belt provided with the belt-like spacer was attached to a double belt press device, and a metal foil laminate of Example 10 was produced by the same method and conditions as in Example 1.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 12 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 340 ° C.
  • the pressure was 3.0 MPa, which was the same as the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 5.0 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • thermocompression bonding process was free from problems such as contact with the spacer due to meandering of the insertion material and the pressure-bonded laminate, and climbing, and a good metal foil laminate was obtained. Further, the metal foil laminate of Example 10 produced by this method had a thickness of 360 ⁇ m and the thickness of the strip spacer was 45 ⁇ m smaller than the thickness of the obtained laminate. A laminate could be produced.
  • Example 11 Using the same double belt press apparatus as in Example 1 described above, instead of a thermocompression bonding polyimide film, a film made of molten liquid crystal polymer (fully aromatic polyester resin) and having a thickness of 25 ⁇ m and a width of 540 mm (Japan Gore-Tex Co., Ltd.) (Company BIAC BC25 / liquid crystal transition temperature 315 ° C / roll winding) and using electrolytic copper foil (FWL-WS / coil winding manufactured by Furukawa Electric Co., Ltd.) instead of rolled copper foil A metal foil laminate of Example 11 was produced by the same method and conditions as in Example 1.
  • the distance from both ends of the metal foil in the width direction to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 340 ° C.
  • the pressure was 3.0 MPa, which was the same as the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 5.0 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • the metal foil laminate of Example 11 produced by this method had a thickness of 343 ⁇ m, and the thickness of the strip spacer was 28 ⁇ m smaller than the thickness of the obtained laminate. No generation occurred, and the target laminate could be produced.
  • the reason why the adhesive strength (peeling strength) is lower than that of the other examples is the influence of the cohesive force of the resin film as a resin, and thermocompression bonding between the metal foil and the resin film is manufactured. It was done without any problem as a method.
  • Example 12 One layer of a 35 ⁇ m-thick non-thermocompression-bondable polyimide film (Upilex S, manufactured by Ube Industries, Ltd.) was wound around the endless belt, and at the end of the winding, a portion that overlapped the first layer of strip was provided over a length of about 50 mm. Except for the above, an endless belt with a spacer was produced by the same method and conditions as in Example 1 described above.
  • a 35 ⁇ m-thick non-thermocompression-bondable polyimide film (Upilex S, manufactured by Ube Industries, Ltd.) was wound around the endless belt, and at the end of the winding, a portion that overlapped the first layer of strip was provided over a length of about 50 mm. Except for the above, an endless belt with a spacer was produced by the same method and conditions as in Example 1 described above.
  • thermocompression bonding polyimide film Ubelex VT / roll winding / thickness 12.5 ⁇ m
  • rolled copper foil BHY-22B-T / coil winding / thickness 150 ⁇ m / width 540 mm, manufactured by JX Nippon Mining & Metals Co., Ltd.
  • the distance from the both ends in the width direction of the metal foil to the end of the strip spacer was 30 mm.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus was 330 ° C.
  • the pressure was 2.8 MPa, which were lower than the set temperature and pressure.
  • the flow rate of the liquid medium measured at the pump outlet was 7.7 L / min, and this amount leaked from the sealed frame, returned to the liquid medium heating device, and was circulated.
  • Example 12 In the metal foil laminate of Example 12 produced by the method described above, one set had a thickness of 312.5 ⁇ m, and the thickness of the strip spacer was 277.5 ⁇ m smaller than the total thickness of the obtained laminate. However, there was no problem in the thermocompression bonding process and the target laminate could be produced.
  • Example 1 Using a double belt press device not provided with a belt-like spacer, a laminate was produced under the same method and conditions as in Example 1. As a result, the flow rate of the liquid medium measured at the pump outlet was as extremely large as 20 L / min or more, and measurement was impossible. In addition, as a result of a large amount of liquid medium leaking from the sealed frame, the temperature of the liquid medium measured on the inner side of the crimping part of the double belt press apparatus greatly fluctuates below 280 ° C. and the pressure is 1 MPa or less. Production was impossible.
  • Comparative Example 2 In the same manner as in Example 1, a long belt-like material obtained by cutting a non-thermocompression-bondable polyimide film having a thickness of 35 ⁇ m (Upilex S, manufactured by Ube Industries Co., Ltd.) into a width of 130 mm is wound around an endless belt, An endless belt with a spacer provided with a single-layer strip spacer having a thickness of 35 ⁇ m was produced. And this endless belt with a spacer was attached to the double belt press apparatus, and the metal foil laminated body of the comparative example 2 was produced by the method and conditions similar to Example 1.
  • FIG. 1 Comparative Example 2
  • the collected metal foil laminate of Comparative Example 2 had a thickness of 360 ⁇ m, but the thickness of the strip spacer was 325 ⁇ m smaller than the thickness of the obtained laminate. For this reason, it is considered that the leakage of the liquid medium could not be sufficiently suppressed.
  • Example 3 (Comparative Example 3)
  • a non-thermocompression-bondable polyimide film having a thickness of 35 ⁇ m (Upilex S manufactured by Ube Industries Co., Ltd.) was cut into a width of 130 mm, and 20 layers were wound around an endless belt, An endless belt with a spacer provided with a belt-like spacer having a thickness of 700 ⁇ m was produced. And this endless belt with a spacer was attached to the double belt press apparatus, and the metal foil laminated body of the comparative example 3 was produced on the method and conditions similar to Example 1.
  • the distance from both ends in the width direction of the metal foil to the end of the strip spacer was maintained at 30 mm, but the flow rate of the liquid medium measured at the pump outlet was as large as 15 L / min, and a large amount of liquid medium was sealed. Leaked from the frame.
  • the temperature of the liquid medium measured on the inner side of the pressure bonding part of the double belt press apparatus was greatly reduced to 283 ° C. and the pressure was 1.0 MPa, and the set values could not be maintained at all.
  • the collected metal foil laminate of Comparative Example 3 had a thickness of 360 ⁇ m, but the thickness of the strip spacer was 340 ⁇ m larger than the thickness of the obtained laminate. For this reason, it is considered that the leakage of the liquid medium could not be sufficiently suppressed.
  • Example 4 A strip-shaped spacer having a thickness of 300 ⁇ m was wound on an endless belt by winding a long strip of 30 ⁇ m thick aluminum foil (H5052 manufactured by Furukawa Sky Co., Ltd.) into a width of 130 mm in the same manner as in Example 1. An endless belt with a spacer provided with was produced. At that time, in the operation of winding the belt around the belt, some wrinkles were generated in the wound aluminum foil as the belt passed around, and it was difficult to eliminate all the wrinkles.
  • H5052 manufactured by Furukawa Sky Co., Ltd.
  • the temperature of the liquid medium measured at the inner side of the crimping portion of the double belt press apparatus at the start of crimping is 340 ° C.
  • the pressure is 3.0 MPa
  • the flow rate of the liquid medium measured at the pump outlet is 5.0 L / min. Met.
  • the flow rate of the liquid medium rises to 20 L / min or more, whereby the temperature and pressure of the liquid medium fluctuate unstablely, and the pressure is less than 300 ° C. and the pressure is 1 MPa. The pressure dropped to below and it became impossible to control the pressure.
  • the aluminum foil which is a metal material
  • the aluminum foil laminate had a thickness of 360 ⁇ m, and the thickness of the strip spacer was 60 ⁇ m smaller than the thickness of the obtained laminate. Fluctuated, and a stable metal foil laminate could not be produced.
  • thermocompression bonding polyimide film (UPILEX S manufactured by Ube Industries, Ltd.) is laminated on the upper and lower surfaces of a 25 ⁇ m-thick thermocompression bonding polyimide film (UPILEX VT manufactured by Ube Industries, Ltd.) and heated at 350 ° C.
  • a heat-resistant resin film made of a non-thermocompression-bonding polyimide having a total thickness of 275 ⁇ m and a surface integrated was produced by roll press treatment. This was cut into a width of 130 mm, and a single-layer strip spacer was prepared using a long strip that was cut at a constant length.
  • one layer of this belt was wound around the endless belt, and at the end of the winding, a portion that overlapped the first layer of belt was provided over a length of about 50 mm. That is, the thickness of the strip spacer is 275 ⁇ m, and the part of the pole spacer is 550 ⁇ m.
  • metal foil was produced in the same manner and conditions as in Example 1. A laminate was produced.
  • the distance from both ends in the width direction of the metal foil to the end of the strip spacer was maintained at 30 mm, but the flow rate of the liquid medium measured at the pump outlet was between 6.1 and 12.1 L / min. It fluctuated greatly and an unstable amount of liquid medium leaked from the sealed frame.
  • the temperature of the liquid medium measured inside the belt of the double belt press apparatus fluctuated between 293 ° C. and 298 ° C., and the pressure fluctuated between 2.6 MPa and 2.9 MPa. And not only the set value could not be maintained, but also a stable metal foil laminate could not be produced due to fluctuations.

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PCT/JP2012/069581 2011-08-09 2012-08-01 積層体製造装置及び積層体の製造方法 WO2013021893A1 (ja)

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JP2017189894A (ja) * 2016-04-12 2017-10-19 宇部エクシモ株式会社 金属積層体及び金属成形体
JP2021098842A (ja) * 2019-12-23 2021-07-01 長春人造樹脂廠股▲分▼有限公司 液晶高分子膜およびこれを含む積層板
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CN115298024A (zh) * 2020-03-24 2022-11-04 株式会社可乐丽 覆金属层叠体的制造方法
KR20220096774A (ko) * 2020-12-31 2022-07-07 (주)이녹스첨단소재 저유전 방열 시트 및 이의 제조방법

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01214436A (ja) * 1988-02-20 1989-08-28 Matsushita Electric Works Ltd 電気用積層板の製法
JPH01294020A (ja) * 1988-05-23 1989-11-28 Matsushita Electric Works Ltd 積層板の製造方法
JPH02293111A (ja) * 1989-05-08 1990-12-04 Hitachi Chem Co Ltd 積層板の製造方法及び製造装置
JPH03150161A (ja) * 1989-11-08 1991-06-26 Hitachi Chem Co Ltd 積層板の製造方法及び装置
JPH0433855A (ja) * 1990-05-30 1992-02-05 Dainippon Ink & Chem Inc 金属箔張り積層板の製法
JPH0491911A (ja) * 1990-08-06 1992-03-25 Kanegafuchi Chem Ind Co Ltd 電気用積層板の連続製造方法
JPH05116165A (ja) * 1991-10-28 1993-05-14 Hitachi Chem Co Ltd 積層板の製造方法及び製造装置
JP2001129918A (ja) * 1999-11-01 2001-05-15 Kanegafuchi Chem Ind Co Ltd 積層板の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2045987A1 (en) * 1990-08-06 1992-02-07 Haruhiko Maki Continuous production of metal clad laminates
JPH09314785A (ja) 1996-05-27 1997-12-09 Matsushita Electric Works Ltd 金属箔張り積層板の製造方法及び製造装置
US7101455B1 (en) * 1999-11-01 2006-09-05 Kaneka Corporation Method and device for manufacturing laminated plate
US6908295B2 (en) * 2000-06-16 2005-06-21 Avery Dennison Corporation Process and apparatus for embossing precise microstructures and embossing tool for making same
JP4457542B2 (ja) 2001-06-22 2010-04-28 宇部興産株式会社 熱圧着性を有する多層ポリイミドフィルム、熱対策銅張り板
JP4718197B2 (ja) 2004-03-23 2011-07-06 宇部日東化成株式会社 フレキシブル金属箔積層体製造装置と該装置を用いた製造方法
JP2008037062A (ja) 2006-08-10 2008-02-21 Kitano:Kk 積層フィルム体の製造装置
WO2009155701A1 (en) * 2008-06-27 2009-12-30 Mario Antonio Rago Continuous press and method for manufacturing composite materials with progressive symmetrical pressure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01214436A (ja) * 1988-02-20 1989-08-28 Matsushita Electric Works Ltd 電気用積層板の製法
JPH01294020A (ja) * 1988-05-23 1989-11-28 Matsushita Electric Works Ltd 積層板の製造方法
JPH02293111A (ja) * 1989-05-08 1990-12-04 Hitachi Chem Co Ltd 積層板の製造方法及び製造装置
JPH03150161A (ja) * 1989-11-08 1991-06-26 Hitachi Chem Co Ltd 積層板の製造方法及び装置
JPH0433855A (ja) * 1990-05-30 1992-02-05 Dainippon Ink & Chem Inc 金属箔張り積層板の製法
JPH0491911A (ja) * 1990-08-06 1992-03-25 Kanegafuchi Chem Ind Co Ltd 電気用積層板の連続製造方法
JPH05116165A (ja) * 1991-10-28 1993-05-14 Hitachi Chem Co Ltd 積層板の製造方法及び製造装置
JP2001129918A (ja) * 1999-11-01 2001-05-15 Kanegafuchi Chem Ind Co Ltd 積層板の製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016000528A (ja) * 2014-01-14 2016-01-07 株式会社シーエンジ 立体網状構造体の製造方法および立体網状構造体の製造装置
JP2017189894A (ja) * 2016-04-12 2017-10-19 宇部エクシモ株式会社 金属積層体及び金属成形体
JP2021098842A (ja) * 2019-12-23 2021-07-01 長春人造樹脂廠股▲分▼有限公司 液晶高分子膜およびこれを含む積層板
JP7372898B2 (ja) 2019-12-23 2023-11-01 長春人造樹脂廠股▲分▼有限公司 液晶高分子膜
US11840602B2 (en) 2019-12-23 2023-12-12 Chang Chun Plastics Co., Ltd. Laminate, circuit board, and liquid crystal polymer film applied to the same
US11926698B2 (en) 2019-12-23 2024-03-12 Chang Chun Plastics Co., Ltd. Liquid crystal polymer film and laminate comprising the same
US11945907B2 (en) 2019-12-23 2024-04-02 Chang Chun Plastics Co., Ltd. Liquid crystal polymer film and laminate comprising the same

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