WO2007040125A1 - キャリア付きプリプレグの製造方法、キャリア付きプリプレグ、薄型両面板の製造方法、薄型両面板、及び多層プリント配線板の製造方法 - Google Patents
キャリア付きプリプレグの製造方法、キャリア付きプリプレグ、薄型両面板の製造方法、薄型両面板、及び多層プリント配線板の製造方法 Download PDFInfo
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- WO2007040125A1 WO2007040125A1 PCT/JP2006/319193 JP2006319193W WO2007040125A1 WO 2007040125 A1 WO2007040125 A1 WO 2007040125A1 JP 2006319193 W JP2006319193 W JP 2006319193W WO 2007040125 A1 WO2007040125 A1 WO 2007040125A1
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- WIPO (PCT)
- Prior art keywords
- carrier
- insulating resin
- resin layer
- fiber cloth
- producing
- Prior art date
Links
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Classifications
-
- 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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
- H05K3/4673—Application methods or materials of intermediate insulating layers not specially adapted to any one of the previous methods of adding a circuit layer
-
- 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
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
- B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
-
- 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
- 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
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
- B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B15/00—Layered products comprising a layer of metal
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Definitions
- Manufacturing method of prepredder with carrier prepreader with carrier, manufacturing method of thin double-sided board, thin double-sided board, and manufacturing method of multilayer printed wiring board
- the present invention relates to a method for manufacturing a pre-preder with a carrier, a pre-preder with a carrier, and a method for manufacturing a multilayer printed wiring board.
- the present invention also relates to a method for producing a thin double-sided board, a thin double-sided board, and a method for producing a multilayer printed wiring board having a thin double-sided board.
- an inner layer circuit board is manufactured by forming a circuit from a metal foil-clad laminate obtained by laminating a pre-preda together with a metal foil and then hot-pressed, and an insulating layer called a buildup material is formed on the front and back sides.
- the mainstream is the one manufactured by the build-up method in which the conductor circuit layers are alternately laminated.
- Multilayer printed wiring boards have sufficient mechanical strength to ensure mounting reliability when the size is large or when semiconductor components such as flip chips with fine pitches are mounted. Need to be. For this reason, there is a method using an inner layer circuit board having a large thickness, but there has been a problem that the total thickness of the multilayer printed wiring board increases due to the increase in the number of layers due to high integration and high mounting.
- the inner layer circuit board and the pre-predder are laminated, and this is heated and pressed by a flat plate press machine and cured, or the inner layer circuit board and the pre-predder are roll laminated
- the method include a method of curing with a heat drying apparatus after pressure forming with an apparatus.
- the method using a flat plate press machine compares the flow of the resin during heat and pressure molding. Therefore, there is a tendency that the form of the insulating layer of the pre-preda is easily changed.
- the thickness accuracy of the insulating layer to be formed can be controlled, and the desired insulating layer can be formed immediately and continuously, which is efficient in terms of productivity. Has the advantage. For this reason, it is considered that a method using a roll laminating apparatus is an effective means to use a prepreader having excellent thickness accuracy and impregnation properties.
- a method of laminating an insulating resin with a carrier on the front and back of a fiber cloth base is disclosed as a method for producing a pre-predator having excellent thickness accuracy (for example, see Patent Document 2).
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-342871
- Patent Document 2 JP 2004-123870 A
- the impregnation of the resin component to the fiber base material is not sufficient, and it is easy to become a pre-predder with voids remaining. Therefore, when a multilayer printed wiring board is manufactured using such a pre-predder, insulation In some cases, the reliability decreased.
- multilayer printed wiring boards are also used for knocker substrates on which semiconductor components are mounted. Advances in high-density and thinning technologies have led to an increase in the use of new packages such as BGA, making them suitable for knocker substrates. On the other hand, heat resistance and low thermal expansibility are required, and a pre-preda capable of providing such characteristics is also required.
- the present invention is excellent in impregnation and thickness accuracy, and in particular, a method for manufacturing a pre-preda with a carrier suitably used for manufacturing a multilayer printed wiring board of a build-up method, and the manufacturing method.
- the present invention provides a pre-preder with a carrier and a method for producing a multilayer printed wiring board using the pre-preder with a carrier.
- both thin A manufacturing method of a face plate and a thin double-sided plate are provided.
- the first and second carriers with an insulating resin layer have a size in the width direction larger than that of the fiber cloth, and have a carrier.
- Said 1st and 2nd carrier with an insulating resin layer is a manufacturing method of the prepreg with a carrier as described in (1) which has an insulating resin layer whose width direction dimension is larger than the said fiber cloth.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, respectively.
- the first and second carriers with an insulating resin layer have a size in the width direction larger than that of the fiber cloth, and have a carrier.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, respectively.
- the insulating resin layer of the carrier with the first insulating resin layer and the carrier of the carrier with the second insulating resin layer are joined.
- step (b) is performed without substantially applying pressure to the joint joined in the step (a).
- the first and Z or the second carrier with an insulating resin layer has a film sheet subjected to a detachable treatment on the surface on which the insulating resin layer is formed (1).
- the insulating resin layer is a film
- the laminate in the step (a), the laminate is passed between at least one pair of laminate rolls and pressed and bonded to both sides.
- a method for producing a multilayer printed wiring board comprising:
- a method for continuously producing a thin double-sided board comprising a step of obtaining a thin double-sided board containing an insulating resin layer containing a fiber cloth skeleton material, the fiber cloth skeleton material comprising:
- the insulating resin layer to be contained is obtained by impregnating the first and second insulating resin layers on both sides of the fiber cloth skeleton material, and the first and second insulating resin layers are the fiber skeleton material.
- An insulating resin layer with a carrier having a carrier on the opposite side to be impregnated, and the fiber A method for producing a thin double-sided board, wherein the thickness of the insulating resin layer including the fabric skeleton is 50 m or less.
- the insulating resin used for the insulating resin layer is composed of a resin composition containing a thermosetting resin, (22) None (27) A method for producing a double-sided board.
- the carrier has a film sheet on which a surface on which an insulating resin layer is formed is subjected to a peelable treatment, (22) N !, (36)! Manufacturing method of thin double-sided board.
- the insulating resin layer is a film
- the laminate is pressed and bonded with a double-sided force between at least one pair of laminate rolls.
- the present invention it is possible to easily manufacture a pre-preder with a carrier having excellent impregnation properties and thickness accuracy.
- the pre-preda with a carrier of the present invention is suitably used for the production of a multilayer printed wiring board that requires high density and high multilayer.
- a thin double-sided board can be manufactured.
- the thin double-sided board of the present invention is suitably used for the production of multilayer printed wiring boards that are required to have a high density, a high multilayer, or a reduced thickness.
- FIG. 1 is a schematic view showing the positional relationship of a carrier, a carrier with an insulating resin layer, and a fiber cloth used in the production method of the present invention.
- FIG. 2 is a schematic view showing examples of the widthwise dimensions of the carrier, the insulating resin layer, and the fiber cloth used in the production method of the present invention.
- FIG. 3 is a schematic view showing examples of the widthwise dimensions of the carrier, the insulating resin layer, and the fiber cloth used in the production method of the present invention.
- FIG. 4 is a schematic view showing examples of width-direction dimensions of carriers, insulating resin layers, and fiber cloths used in the production method of the present invention.
- FIG. 5 is a schematic sectional side view showing an example of an apparatus for producing a carrier with an insulating resin layer used in the production method of the present invention, and (2) used in the production method of the present invention. It is a schematic sectional side view which shows an example of the apparatus form which manufactures a pre-preparer with a carrier.
- FIG. 6 is a schematic sectional side view of an apparatus used in Experimental Example A5 and Experimental Example B9.
- FIG. 7 is a schematic view showing examples of the width-direction dimensions of the carrier, the insulating resin layer, and the fiber cloth used in the method for producing a thin double-sided board of the present invention.
- a method for producing a pre-preda with a carrier according to the present invention includes:
- step (a) will be described.
- the first and second carriers with insulating resin layers and the fiber cloth are overlapped and joined under reduced pressure.
- the insulating resin layer of the carrier with the insulating resin layer and the fiber cloth are bonded, the inside of the fiber cloth or the bonded part of the insulating resin layer and the fiber cloth of the carrier with the insulating resin layer. Even if there is an unfilled portion, it can be a reduced-pressure void or a substantial vacuum void.
- the pressure reduction condition it is preferable to carry out the pressure reduction at 700 Torr or more from the normal pressure. More preferably, the pressure is reduced by 740 Torr or more from normal pressure. Thereby, the said effect can be expressed highly.
- the method for joining the first and second carriers with an insulating resin layer and the fiber cloth is not particularly limited.
- the fiber cloth and the carrier with an insulating resin layer are continuously supplied. A method of joining while superposing them is mentioned.
- the method for joining under reduced pressure conditions is not particularly limited, and for example, a vacuum lamination device, a vacuum box device, or the like can be used.
- a method is preferred in which a fiber cloth and a carrier with an insulating resin layer are bonded while continuously superposed using a vacuum laminating apparatus.
- continuous processing can be performed, and a pre-preparer with a carrier can be efficiently manufactured with a simple apparatus.
- the first and second carriers with an insulating resin layer and a fiber cloth not impregnated with resin are laminated to form a laminate, and the laminate has at least one pair of forces on both sides. It is preferable to join the laminating rolls while pressing both sides. Use this method
- V sufficient impregnation into the fiber cloth of the insulating resin layer can be achieved.
- the insulating resin layer is preferably a film from the viewpoint of facilitating pressing and bonding using a roll. By using a film, it becomes easy to press and bond using a roll.
- the insulating resin layer is heated to a temperature at which the insulating resin layer can be melted. Is preferred. Thereby, a fiber cloth and an insulating resin layer can be joined easily. In addition, when at least a part of the insulating resin layer is melted and impregnated into the fiber cloth, it becomes easy to obtain a pre-preder with a carrier having a good impregnation property.
- thermoforming when joining, it is predetermined temperature
- a method using a laminating roll heated to a high temperature can be suitably used.
- the temperature to be heated here is not particularly limited because it varies depending on the type and composition of the resin forming the insulating resin layer, but for example, it can be carried out at 60 to 100 ° C.
- FIG. 1 (2) illustrates the carrier 3 with an insulating resin layer used in the present invention.
- the insulating resin layer 2 is formed in a thin layer on one side of the carrier 1.
- the insulating resin layer 2 has a width-direction dimension of 8 and can be formed on one side of the carrier 1 with a predetermined thickness.
- the width direction dimension 8 refers to the dimension of the insulating resin layer 2 in the direction orthogonal to the carrier 1 conveyance direction.
- FIG. 1 (1) shows an example of carrier 1 applied to carrier 3 with an insulating resin layer used in the present invention.
- the carrier 1 can be continuously conveyed and supplied to the arrow 6 side, and has a width direction dimension 7.
- the width direction dimension 7 refers to a dimension in a direction orthogonal to the transport direction of the carrier 1.
- a carrier 1 for example, a long sheet can be preferably used.
- the material of the carrier is not particularly limited.
- a metal foil formed of a metal force such as aluminum alloy, silver or silver alloy can be preferably used.
- thermoplastic resin forming the thermoplastic resin film sheet because of its excellent heat resistance and low cost.
- metal forming the metal foil copper or a copper alloy is preferred because of its excellent conductivity, easy circuit formation by etching, and low cost.
- the surface on which the insulating resin layer is formed is preferably subjected to a detachable treatment. This makes it easy to separate the insulating resin layer and the carrier during or after the production of the multilayer printed wiring board. be able to.
- the thickness of the thermoplastic resin film sheet one having a thickness of 25 to 75 ⁇ m can be used. In this case, workability when manufacturing the carrier with the insulating resin layer can be improved.
- the mechanical strength may not be sufficient when a carrier with an insulating resin layer is produced.
- the thickness is too large, there is a problem in the production of the carrier with the insulating resin layer, but the productivity of the carrier with the insulating resin layer may be lowered.
- the surface on which the insulating resin layer is formed may be subjected to a detachable process, or such a process is not performed. Those subjected to a treatment for improving the adhesion to the insulating resin layer can also be used.
- a metal foil having a thickness of 1 to 70 / ⁇ ⁇ can be used. This makes it possible to improve workability when manufacturing the carrier with the insulating resin layer.
- the mechanical strength may not be sufficient when producing a carrier with an insulating resin layer.
- the thickness is too large, there is no problem in the production of the carrier with the insulating resin layer, but the productivity may be lowered.
- thermoplastic resin film sheet or a metal foil that has been subjected to a detachable treatment on the surface on which the insulating resin layer is formed is used as the carrier, the insulating resin layer is formed.
- the unevenness of the carrier surface on the side is preferably as small as possible.
- the surface smoothness of the insulating layer can be improved. Therefore, when the surface of the insulating layer is roughened, a new conductor layer is formed by metal plating or the like. A fine circuit can be processed and formed more easily.
- this metal foil when a metal foil that has not been subjected to a releasable treatment or has been subjected to a treatment that improves adhesion to the insulating resin layer is used as the carrier, At the time of manufacture, this metal foil can be used as it is as a conductor layer for circuit formation. At this time, as an example of the irregularities on the carrier surface on the side where the insulating resin layer is formed, Ra: 0.1 Those with ⁇ 0.5 m can be used. In this case, sufficient adhesion between the insulating layer and the metal foil can be ensured, and a fine circuit can be easily formed by performing an etching process or the like on the metal foil.
- a metal foil having a thickness of 1 to 35 / ⁇ ⁇ can be preferably used. If the thickness of the metal foil is too small, the mechanical strength may not be sufficient when producing a carrier with an insulating resin layer. If the thickness is too large, it may be difficult to process and form a fine circuit.
- This metal foil can be used for one carrier of the carrier with an insulating resin layer used to manufacture the pre-preda with a carrier, so that the pre-preder with a carrier can be manufactured.
- a metal foil having a single layer force can be used, or a metal foil composed of two or more layers from which the metal foil can be peeled can be used.
- the first metal foil that is in close contact with the insulating layer and the second metal foil that can support the first metal foil on the side opposite to the side that is in close contact with the insulating layer are joined in a peelable manner.
- a metal foil having a two-layer structure can be used.
- the insulating resin material used for forming the insulating resin layer is not particularly limited.
- heat such as epoxy resin, phenol resin, cyanate resin, unsaturated polyester resin, and dicyclopentagen resin can be used.
- a curable rosin can be suitably used.
- the insulating resin material preferably contains cyanate resin.
- the prepredder with a carrier obtained by using cyanate resin V can have good heat resistance and low thermal expansion.
- additives such as a curing agent, a curing accelerator, a thermoplastic resin, an inorganic filler, an organic filler, and a coupling agent can be appropriately blended as necessary.
- the insulating resin used in the present invention is prepared by dissolving the above components with an organic solvent, etc. It can be suitably used in a dispersed liquid form.
- this cyanate resin for example, a product obtained by reacting a halogen cyanide compound and a phenol, a product obtained by pre-polymerizing it by a method such as heating, or the like can be used.
- the bisphenol cyanate resin examples include novolak cyanate resin, bisphenol A type cyanate resin, bisphenol E type cyanate resin, and tetramethylbisphenol F type cyanate resin. Can be mentioned.
- novolak type cyanate resin if novolak type cyanate resin is used, heat resistance can be further improved by increasing the cross-linking density, and a thin fiber fabric substrate as a skeleton material of a pre-preda with a carrier can be used. Even when it is used, excellent rigidity can be imparted to the cured product of the prepreg with a carrier (hereinafter sometimes simply referred to as “cured product”), and in particular, the rigidity during heating can be increased.
- cured product hereinafter sometimes simply referred to as “cured product”
- this pre-reader with a carrier when applied to a package substrate on which a semiconductor component is mounted, its connection reliability can be improved.
- the flame retardancy of the cured product can be increased by using a novolac-type cyanate resin.
- the novolac-type cyanate resin is thought to be due to the carbonization and sieving with a high proportion of benzene rings due to its structure.
- novolak cyanate resin for example, those represented by the following general formula (I) can be used.
- n is an arbitrary integer.
- the repeating unit n of the novolak-type cyanate resin represented by the above general formula (I) for example, those having 1 to 10 can be used, and those having 2 to 7 are particularly suitable. Use for Can do.
- the handleability of the novolak-type cyanate resin and the crosslink density of the cured product can be made good, and the balance of these properties can be made excellent.
- n number is too small, crystallization is likely to occur, and the solubility in general-purpose solvents may be reduced and handling properties may be reduced.
- the n number is too large, the crosslink density of the cured product becomes excessively high, which may cause phenomena such as a decrease in water resistance and a brittleness of the cured product.
- the molecular weight of the above-mentioned cyanate resin for example, those having a weight average molecular weight (Mw) of 500 to 4,500 can be used, and those having a weight average molecular weight of 600-3, 000 are particularly preferably used. It is out.
- the handling properties when producing a pre-preda with a carrier, the formability during the production of multilayer printed wiring boards, the interlayer peel strength, etc. shall be good, and the tolerance of these characteristics shall be excellent. Can do.
- cyanate resin one having preferably Mw within the above range can be used, or two or more having different Mw can be used in combination.
- the Mw of the above-mentioned cyanate resin can be measured by, for example, GPC (gel permeation chromatography).
- the content of the above-mentioned cyanate resin is preferably 5 to 50% by weight, particularly preferably 10 to 40% by weight, based on the entire resin composition.
- the resin layer of the carrier with the insulating resin layer can be easily formed, and the mechanical strength of the cured product can be made good and the balance of these properties can be made excellent. it can.
- An epoxy resin (substantially free of halogen atoms) can also be used for the resin composition.
- epoxy resin examples include phenol novolac type epoxy resin, cresol nopolac type epoxy resin, bisphenol type epoxy resin, naphthalene type epoxy resin, arylene type epoxy resin, and the like.
- arylene type epoxy resin is preferable. Thereby, the moisture absorption solder heat resistance of hardened
- the arylene-type epoxy resin refers to an epoxy resin having one or more arylalkylene groups in the repeating unit.
- a xylylene-type epoxy resin a biphenyldimethylene-type epoxy resin.
- examples include fats.
- Biphenyl dimethyl type epoxy resin can be represented, for example, by the following general formula ( ⁇ ).
- repeating unit n of the biphenyldimethylene type epoxy resin represented by the general formula ( ⁇ ) for example, those having 1 to 10 can be used, and those having 2 to 5 are particularly preferred. Can be used properly!
- n number is too small, crystallization is facilitated, so that the solubility in a general-purpose solvent becomes small and the handling property may be lowered.
- the n number is too large, the fluidity is lowered, which may cause molding defects when a multilayer printed wiring board is produced using a pre-preder with a carrier.
- the content of the epoxy resin may be, for example, 1 to 55 times based on the entire resin composition. It can be made into the amount%, and it is preferable to set it as 2 to 40 weight% especially.
- the above content makes the reactivity of cyanate resin and various properties of the cured product good, and the balance of these characteristics is excellent. can do. If the content of the epoxy resin is too small, the reactivity of the cyanate resin may decrease, or the moisture resistance of the cured product may decrease. On the other hand, if the epoxy resin content is too high, the heat resistance of the cured product may not be sufficient.
- the molecular weight of the epoxy resin for example, those having a weight average molecular weight (Mw) of 500 to 20,000 can be used, and those having 800 to 15,000 are particularly preferably used. it can.
- epoxy resin one having preferably Mw within the above range can be used, or two or more having different Mw can be used in combination.
- the Mw of the epoxy resin can be measured by GPC, for example.
- Phenolic resin can also be used for the resin composition.
- phenol resin examples include novolak type phenol resin, resol type phenol resin, arylene alkylene type resin, and the like.
- arylene alkylene type phenol resin is preferable. Thereby, the moisture absorption solder heat resistance of hardened
- arylene-type phenolic resin examples include xylylene-type phenolic resin, biphenyldimethylene-type phenolic resin, and the like.
- Biphenyldimethylene type phenolic rosin is preferable.
- Biphenyldimethylene type phenol resin can be represented by, for example, the following general formula (III).
- repeating unit n of the biphenyldimethylene type phenol resin represented by the above general formula ( ⁇ ) for example, those having 1 to 12 can be used, and those having 2 to 8 are particularly preferred. Can be used.
- n number is too small, the heat resistance of the cured product may be lowered. On the other hand, if the n number is too large, the compatibility with other rosin components may decrease, and workability may decrease.
- the content of the phenolic resin may be, for example, 1 to 55% by weight, and particularly preferably 5 to 40% by weight, based on the entire resin composition.
- the heat resistance and low thermal expansion property of the cured product can be made good, and the balance of these characteristics can be made excellent.
- the content of phenolic resin is too small, the heat resistance of the cured product may decrease. On the other hand, if the content of phenol resin is too large, the low thermal expansion property of the cured product may not be sufficient.
- the molecular weight of the above-described phenolic resin for example, a weight average molecular weight (Mw) of 400 to 18,000 can be used! /, And a force of 500 to 15,000 can be used. Suitable for use!
- the phenol resin preferably one having Mw within the above range can be used, or two or more having different Mw can be used in combination.
- the Mw of the above phenol resin can be measured by GPC, for example.
- the above-mentioned cyanate resin in particular, the novolac-type cyanate resin, or the above-mentioned cyanate resin, in particular, the novolac-type cyanate resin, and the epoxy resin, are mixed with the phenol resin. Can be used.
- phenoxy resin examples include a phenoxy resin having a bisphenol skeleton, a phenoxy resin having a novolac skeleton, a phenoxy resin having a naphthalene skeleton, and a phenoxy resin having a biphenyl skeleton.
- phenoxy resin having a structure having a plurality of these skeletons can also be used.
- those having a biphenyl skeleton and a bisphenol S skeleton can be used.
- the glass transition temperature can be increased due to the rigidity of the biphenyl skeleton, and the adhesion of metal plating when manufacturing a multilayer printed wiring board can be improved by the bisphenol S skeleton.
- those having a bisphenol A skeleton and a bisphenol F skeleton can be used. Thereby, the adhesion to the inner layer circuit board can be improved during the production of the multilayer printed wiring board.
- the biphenyl skeleton and the bisphenol S skeleton and the bisphenol A skeleton and the bisphenol F skeleton can be used in combination. Thereby, these characteristics can be expressed in a balanced manner.
- the molecular weight of phenoxy rosin is not particularly limited, and those having a weight average molecular weight of 5000 to 70000 can be used.
- the effect of improving the film-forming property when manufacturing a carrier with an insulating resin layer can be fully expressed, and the solubility of phenoxy resin can be improved when preparing a resin composition. Be able to be good and have a good balance of these properties Can do.
- the weight average molecular weight of the phenoxy resin is too small, the effect of improving the film forming property by the phenoxy resin may not be sufficient. On the other hand, if the weight average molecular weight is too large, the solubility of phenoxy rosin in the rosin composition may decrease.
- the content of phenoxy rosin can be, for example, 1 to 40% by weight, and particularly preferably 5 to 30% by weight, based on the entire rosin composition.
- the effect of improving the film-forming property by the phenoxy resin may not be sufficient.
- the content is too large, the content of cyanate resin is relatively decreased, and thus the effect of imparting low thermal expansion may be reduced.
- the above rosin composition may be used alone or in combination of two or more.
- the above-mentioned cyanate resin especially novolac-type cyanate resin
- the above-mentioned phenol resin arylalkylene type phenol resin, especially biphenyldimethylene type phenol resin
- the crosslink density can be controlled, and the adhesion between the insulating layer and the conductive metal can be improved when a multilayer printed wiring board is produced using the carrier-prepared carrier of the present invention.
- the above-mentioned cyanate resin especially novolak-type cyanate resin
- the above-mentioned epoxy resin arylalkylene-type epoxy resin, especially bi-dimethylethylene-type epoxy resin
- the above-mentioned phenolic resin arylalkylene-type.
- the dimensional stability of the multilayer printed wiring board can be particularly improved when used in combination with phenolic resin, especially biphenyldimethylene type phenolic resin.
- the above-mentioned cyanate resin especially novolac-type cyanate resin
- the above-mentioned epoxy resin arylalkylene-type epoxy resin, particularly bi-dimethyldimethylene-type epoxy resin
- phenoxy resin especially biphenyl resin
- the glass transition temperature can be increased and a carrier with an insulating resin layer can be produced by using a combination of a copper skeleton and a phenoxy resin having a bisphenol S skeleton. Improved film forming performance Therefore, the handleability can be improved.
- the resin composition may contain an inorganic filler in addition to the resin component described above.
- Examples of the inorganic filler include talc, alumina, glass, silica, My strength, and the like.
- fused silica which is preferable for silica, is preferable in that it has excellent low thermal expansion.
- the shape of the fused silica include a crushed shape and a spherical shape.
- the melt viscosity of the resin composition can be lowered. Can be improved.
- the average particle diameter of the inorganic filler for example, a particle having a particle size of 0.01 to 5.0 ⁇ m can be used, and a particle having a particle size of 0.2 to 2.0 m is particularly preferable. Can be used.
- the rosin composition is dissolved and Z or dispersed in an organic solvent or the like.
- the viscosity of the resin composition may increase and workability may be affected.
- the inorganic filler may settle in the liquid rosin composition.
- the inorganic filler one having preferably an average particle diameter within the above range can be used, or two or more kinds having different average particle diameters can be used in combination.
- This average particle size can be determined, for example, by a particle size distribution measuring device (HORIBA, Ltd. “LA-500”).
- Examples of the inorganic filler include spherical fused silica having an average particle diameter of 0.01 to 5.0 ⁇ m, and particularly spherical fused silica having an average particle diameter of 0.2 to 2.0 m. It is preferable to use
- the content of the inorganic filler can be, for example, 30 to 80% by weight, preferably 40 to 70% by weight, based on the entire greave composition.
- this coupling agent can improve the wettability of the interface between the resin component such as cyanate resin and the inorganic filler, the resin component and the inorganic filler are uniformly distributed to the fiber cloth. Fixing can improve the heat resistance of the cured product, particularly the solder heat resistance after moisture absorption.
- Any coupling agent can be used as long as it is usually used.
- the content thereof can be, for example, 0.05 to 3 parts by weight with respect to 100 parts by weight of the inorganic filler, and particularly 0.1 to 2 parts by weight. Part.
- the effect of coating the inorganic filler can be sufficiently exhibited, the cured product characteristics can be improved, and the balance between these characteristics can be improved.
- the content of the coupling agent is too small, the effect of coating the inorganic filler may not be sufficient. On the other hand, if the content of the coupling agent is too large, it may affect the reaction of the resin component and the mechanical strength of the cured product may be reduced.
- a curing accelerator can be used as necessary.
- an imidazole compound can be suitably used as a curing accelerator. Thereby, it is possible to promote the reaction of epoxy resin without reducing the insulating properties of the resin composition.
- an imidazole compound having at least two functional groups selected from among aliphatic hydrocarbon groups, aromatic hydrocarbon groups, hydroxyalkyl groups, and cyanoalkyl groups is particularly preferred. 2-Ferre 4,5 Dihydroxymethyl imidazole is preferred.
- the blending amount thereof can be, for example, 0.05 to 5% by weight, particularly 0.2 to 2% by weight with respect to the entire resin composition. Preferred With this, the curing of the resin composition can be promoted, the storability of the pre-preda with a carrier can be improved, and the balance between these properties can be improved.
- the content of the curing accelerator is too small, the effect of accelerating the curing will not be fully manifested! On the other hand, if the content of the curing accelerator is too much, the storability of the pre-preda with carrier May decrease.
- thermoplastic resin such as polyimide resin, polyamideimide resin, polyphenylene oxide resin, polyethersulfone resin may be used in combination. I'll do it.
- additives other than the above components such as pigments and antioxidants may be added.
- the resin composition comprising the above components is dissolved and dissolved in an organic solvent or the like.
- the insulating resin layer of the carrier with the insulated resin layer can be easily formed.
- the carrier with an insulating resin layer used in the present invention has an insulating resin layer formed on the one side of the carrier with the insulating resin material cover.
- the preparation method is not particularly limited. For example, various coating apparatuses such as a comma coater and a knife coater are used to apply a liquid insulating resin to a carrier, and various spray apparatuses such as a spray nozzle. And the like, and a method of applying a liquid insulating resin to a carrier.
- a method in which a liquid insulating resin is applied to a carrier using various coater apparatuses is preferable. Thereby, an insulating resin layer having excellent thickness accuracy can be formed with a simple apparatus.
- the curing reaction of the insulating resin can be advanced halfway to adjust the fluidity of the insulating resin in the step (a) or in the step (b) described later.
- the method of drying under heating is not particularly limited, but for example, a method of continuous treatment using a hot air drying device, an infrared heating device, or the like can be preferably applied. it can.
- the thickness of the insulating resin layer can be appropriately set according to the thickness of the fiber cloth used. As an example, it can be 5 to: L00 ⁇ m.
- This insulating resin layer may be formed by one or more coatings using the same insulating resin, and may be formed by multiple coatings using different insulating resins. That ’s right.
- a protective film is provided on the upper surface side where the insulating resin layer is formed, that is, on the surface opposite to the carrier, for protecting the surface of the insulating resin layer. Can be overlapped.
- FIG. 1 (3) shows an example of form 5 when the carrier 3 with the insulating resin layer and the fiber cloth 4 are overlapped.
- the fiber cloth 4 can be continuously supplied and transported in the same direction as the transport direction of the carrier 1, and has a dimension 9 in the width direction.
- the width direction dimension 9 refers to the dimension of the fiber cloth 4 in the direction orthogonal to the conveying direction of the fiber cloth 4.
- a fiber cloth 4 for example, a long sheet can be suitably used.
- the material of the fiber cloth is not particularly limited.
- glass fiber cloth such as glass fiber cloth and glass non-woven cloth
- inorganic cloth such as fiber cloth and non-woven cloth containing inorganic compounds other than glass as components.
- examples include fiber cloth, aromatic polyamide resin, polyamide resin, aromatic polyester resin, polyester resin, polyimide resin, and organic fiber cloth composed of organic fibers such as fluorine resin.
- the mechanical strength and heat resistance of the multilayer printed wiring board can be improved.
- a thickness of 15 to 180 / ⁇ ⁇ can be used.
- the basis weight (weight of the fiber cloth per lm 2 ) for example, 17 to 209 gZm 2 can be used.
- a thin glass woven fabric having a thickness of 15 to 35 ⁇ m and a basis weight of 17 to 25 g Zm 2 can be used. Even when such a glass woven fabric is used, the fiber bundle constituting the fiber fabric is not easily bent, so that a pre-preda with a carrier having excellent mechanical properties and impregnation properties can be obtained.
- the fiber cloth is less likely to bend regardless of the thickness and basis weight of the fiber cloth, so that the fiber bundle is less likely to be bent and the impregnation property. It can be made excellent.
- the use of this prepreparer with a carrier has the advantage that a multilayer printed wiring board having excellent mechanical properties and moldability can be produced.
- cyanate resin is used as the insulating resin, there is an advantage that a multilayer printed wiring board having better heat resistance and low thermal expansion can be produced.
- two carriers 3 with insulating resin layers are used. These are referred to as a first carrier with an insulating resin layer and a carrier with a second insulating resin layer, respectively.
- step (a) As the first carrier with an insulating resin layer and the second carrier with an insulating resin layer used in the step (a), the same one can be used, or different ones can be used. Next, step (b) will be described.
- the insulating resin layer side of the carrier with the insulating resin layer is overlapped on both surfaces of the fiber cloth base material, these are joined, and then heated at a temperature equal to or higher than the melting temperature of the insulating resin. It is.
- the reduced-pressure void or the substantial vacuum void remaining at the time when the carrier with the insulating resin layer and the fiber cloth are joined can be eliminated, and the unfilled portion is very It is possible to produce a pre-predder with a carrier that has few or substantially no unfilled parts.
- the heat treatment method is not particularly limited.
- the heat treatment may be performed using a hot air drying device, an infrared ray heating device, a heating roll device, a flat platen hot platen pressing device, or the like.
- the bonding can be carried out without substantially applying pressure to the joined one.
- a heating roll device or a plate-like hot platen press device it can be carried out by applying a predetermined pressure to the above-mentioned joint.
- the carrier since the resin component does not flow excessively in the step (b), the carrier has a carrier having a desired insulating layer thickness and high uniformity in the insulating layer thickness. A pre-preda can be manufactured efficiently.
- the stress acting on the fiber cloth base material with the flow of the resin component can be minimized, the internal strain can be extremely reduced.
- the temperature during the heat treatment is preferably set to such a temperature range that the insulating resin used is melted and the curing reaction of the insulating resin does not proceed rapidly.
- the time for the heat treatment is not particularly limited because it varies depending on the type of insulating resin to be used.
- the heat treatment can be performed by treating for 1 to LO minutes.
- a carrier, an insulating resin layer, and a fiber cloth are used.
- the relationship between the dimensions in the width direction will be described with reference to an example.
- the carrier for example, FIG. 2 (1) to (3), FIG. 3 (1) to (3), and FIG. ) To (3), and can be used in the form having various dimensions in the width direction.
- the carrier 3a with the first insulating resin layer and the carrier 3a with the second insulating resin layer have carriers whose width dimension is larger than that of the fiber cloth 4.
- one having an insulating resin layer having a width dimension larger than that of the fiber cloth 4 is used.
- Fig. 2 (1) shows the relationship in the width direction of each of the carrier, insulating resin layer, and fiber cloth.
- the first carrier with the insulating resin layer is formed in the inner region of the width direction of the fiber cloth 4, that is, in the region where the fiber cloth 4 exists in the width direction.
- the first carrier with the insulating resin layer is formed in the inner region of the width direction of the fiber cloth 4, that is, in the region where the fiber cloth 4 exists in the width direction.
- the first carrier with the insulating resin layer is formed in the inner region of the width direction of the fiber cloth 4, that is, in the region where the fiber cloth 4 exists in the width direction.
- the first carrier with the insulating resin layer is formed in the inner region of the width direction of the fiber cloth
- the insulating resin layer surface of the first insulating resin layer-equipped carrier 3a and the second insulating resin The insulating resin layer surface of the carrier 3a with the oil layer can be directly joined. This state is shown in Fig. 2 (2).
- step (b) In order to carry out these bondings under reduced pressure, the inside of the fiber cloth 4 or the bonding surface between the insulating resin layer of the first and second carriers 3a, 3a with the insulating resin layer and the fiber cloth 4 etc. Even if unfilled parts remain, they can be made into vacuum voids or substantial vacuum voids. Therefore, in the step (b), when heat treatment is performed in a temperature range higher than the melting temperature of the resin. This can be easily eliminated. In step (b), the peripheral force in the width direction can also prevent air from entering and forming new voids. This state is shown in Fig. 2 (3).
- the first carrier with an insulating resin layer and the second carrier with an insulating resin layer have a carrier whose width dimension is larger than that of the fiber cloth 4.
- One of the two carriers with an insulating resin layer for example, as the first carrier 3a with an insulating resin layer, a carrier having an insulating resin layer whose width direction dimension is larger than that of the fiber cloth 4 is used.
- the carrier 3b with an insulating resin layer one having an insulating resin layer having the same width direction dimension as the fiber cloth 4 is used.
- Fig. 3 (1) shows the relationship between the width direction dimensions of the carrier, insulating resin layer, and fiber cloth.
- the insulation of the carrier 3a with the first insulating resin layer is isolated.
- the resin layer and the fiber cloth 4, and the insulating resin layer and the fiber cloth 4 of the second carrier 3b with an insulating resin layer can be bonded to each other.
- the insulating resin layer surface of the first insulating resin layer-equipped carrier 3a and the second insulating resin The carrier surface of the carrier 3b with the oil layer can be directly joined. This state is shown in Fig. 3 (2).
- step (b) heat treatment is performed in a temperature range higher than the melting temperature of the resin. If this happens, it can be easily lost.
- step (b) it is possible to prevent air from entering from the peripheral portion in the width direction and forming new voids. This state is shown in Fig. 3 (3).
- FIGS. 4 (1) to (3) Next, the embodiment shown in FIGS. 4 (1) to (3) will be described.
- Figs. 4 (1) to (3) as the first carrier 3b with an insulating resin layer and the second carrier 3b with an insulating resin layer, an insulating resin layer having the same width direction dimension as the fiber cloth 4 is used. The one with is used.
- Fig. 4 (1) shows the relationship in the width direction of each of the carrier, insulating resin layer and fiber cloth.
- the insulation of the carrier 3b with the first insulating resin layer is isolated.
- Resin layer and fiber cloth 4 and second insulating resin layer carrier 3b insulating resin layer and fiber The cloth 4 can be bonded to each other. This state is shown in Fig. 4 (2).
- the unfilled portion present in the end portion in the width direction; It is preferable to prevent communication with non-filling portions existing in portions other than the end portion in the width direction.
- the step (a) since the step (a) is performed under reduced pressure, there is a decompression void!
- the soot can be a substantial vacuum void.
- the step (b) when heat treatment is performed in a temperature range equal to or higher than the melting temperature of the resin, this can be easily lost.
- the step (b) even when air enters from the peripheral portion in the width direction and a new void is formed, this can be limited to the end portion in the width direction. This state is shown in Fig. 4 (3).
- the carrier with the first insulating resin layer and the carrier with the second insulating resin layer has a carrier whose dimension in the width direction is larger than that of the fiber cloth, and with one or both of the insulating resin layers. It is preferable to use a carrier having an insulating resin layer having a dimension in the width direction larger than that of the fiber cloth.
- the fiber cloth in the step (a), can be sealed and sealed with the insulating resin layer, and in the entire region where the fiber cloth is present, the carrier has few voids or substantially no voids.
- An attached pre-preda can be manufactured.
- the fiber cloth 4 in the outer region of the width direction dimension of the fiber cloth 4, since the insulating resin layer exists in both carriers with the insulating resin layer, the fiber cloth 4 is more easily sealed with the insulating resin layer. It can be sealed and the above effect can be effectively expressed.
- step (b) it is necessary after the step (b). Depending on the situation, it is possible to have a step of continuously winding the pre-preder with a carrier obtained above.
- the pre-preder with a carrier can be made into a roll form, and handling operability at the time of manufacturing a multilayer printed wiring board etc. can be improved using this pre-preder with a carrier.
- FIG. 5 is a cross-sectional side view showing an example of an apparatus to which the manufacturing method of the present invention can be applied.
- FIG. 5 (1) shows an example of a mode for manufacturing a carrier with an insulating resin layer used for manufacturing a pre-preda with a carrier of the present invention.
- the carrier la can be supplied by, for example, using a long sheet product in the form of a roll and continuously unwinding it.
- a predetermined amount of the liquid insulating resin 11 is continuously supplied onto the carrier la by an insulating resin supply device (not shown).
- the coating amount of the insulating resin 11 can be controlled by the clearance between the comma roll 12 and the backup roll 13 of the comma roll 12.
- Carrier lb coated with a predetermined amount of insulating resin is transferred to the inside of horizontal transport type hot air dryers 14 and 14 to substantially dry and remove organic solvents contained in liquid insulating resin. If necessary, the carrier lc with an insulating resin layer in which the curing reaction has been advanced halfway can be obtained.
- the insulating resin layer of the carrier with an insulating resin layer obtained here may be a film.
- the carrier lc with the insulating resin layer can be wound up as it is, but in the form of Fig. 5 (1), the protective film 15 is formed on the side where the insulating resin layer is formed by the laminate rolls 16 and 16.
- the carrier Id with an insulating resin layer laminated with the protective film 15 is wound up to obtain a carrier 17 with an insulating resin layer in the form of a roll.
- FIG. 5 (2) is a cross-sectional side view showing an example of an apparatus capable of performing the steps (a) to (b) of the production method of the present invention, specifically, impregnated with resin.
- the insulating resin After overlaying the insulating resin layer side of the carrier with insulating resin layer on both sides of the non-fibre cloth and bonding under reduced pressure, the insulating resin It shows an example of a mode in which a heat treatment is performed at a temperature equal to or higher than the melting temperature of the above, and this is continuously wound up to manufacture a pre-preda with a carrier.
- the step (a) is performed using the vacuum laminating apparatus 20.
- the inside of the vacuum laminating apparatus 20 is set to predetermined decompression conditions by decompression means such as a vacuum pump (not shown).
- the carriers 17 and 17 with an insulating resin layer obtained in the step (a) and the fiber cloth 21 are installed so that they can be continuously supplied.
- the carriers 17 and 17 with the insulating resin layer are continuously supplied by the winding roll 23 while peeling the protective film (le, le) 0
- the fiber cloth 21a is continuously supplied from the roll-shaped fiber cloth 21.
- Carrier le, le with insulating resin layer from which protective film has been peeled off, and fiber cloth 21a are overlapped with fiber cloth 21a sandwiched between insulating resin layer carriers le and le with insulating resin layer. And bonded by laminate rolls 24 and 24. At this time, the insulating resin layer is impregnated into the fiber cloth 21a.
- the clearance between the laminating rolls 24 and 24 can be set so that substantially no pressure is applied when the carrier with the insulating resin layer is bonded to the fiber cloth, or any pressure can be set. You can also
- the bonded product 22a after bonding can be sent to the next process as it is, or the carrier with an insulating resin layer can be applied by applying temperature and pressure by the laminating rolls 25, 25, 26, 26, 27, 27. It is also possible to adjust the degree of bonding between the fabric and the fiber cloth.
- laminating rolls 17 and 17 are seal rolls that suppress the intrusion of air from the outside to the inside of the vacuum laminating apparatus 20 in order to maintain the inside of the vacuum laminating apparatus 20 at a predetermined pressure reduction condition. It also has the function as
- the joined product 22b after joining is transported between the hot air dryers 28 and 28 of the horizontal conveyance type and heat-treated at a temperature equal to or higher than the melting temperature of the insulating resin. As a result, the unfilled portion remaining inside the bonded product can be eliminated.
- the pre-preparer 22c with a carrier after heat treatment is sandwiched between pinch rolls 29 and 29 By continuously winding this, a pre-preda 30 with a carrier in the form of a roll can be obtained.
- the pre-preder with a carrier of the present invention is obtained by the method for producing the pre-preder with a carrier of the present invention.
- the method for producing a multilayer printed wiring board according to the present invention includes:
- step (c) will be described.
- the step (c) is a step of removing the carrier on the side overlapping at least the circuit formation surface of the inner layer circuit board of the pre-preparer with a carrier to expose the insulating resin surface.
- step (d) will be described.
- the step (d) is a process in which the insulating resin layer on the side from which the carrier of the pre-preparer with a carrier is removed is superimposed on the inner layer circuit board on which circuit processing has been performed, and these are heated and pressed.
- the method for carrying out the above steps (c) to (d) is not particularly limited.
- both the inner layer circuit board and the carrier pre-predder are continuously supplied. While removing the carrier, the carrier-prepared pre-preparer and the inner layer circuit board can be continuously formed using a vacuum laminator or the like, and then heated and cured using a hot air dryer or the like.
- the step (d) is preferably carried out with a carrier on the side opposite to the side from which the carrier is removed of the pre-preder with a carrier.
- the insulating resin layer on the side in contact with the carrier can maintain substantially the same smoothness as the carrier surface. Therefore, when the insulating resin is cured, the insulating resin layer along the irregularities on the surface of the fiber cloth is retained. It is possible to produce a multilayer printed wiring board having an insulating resin layer excellent in surface smoothness by preventing the occurrence of unevenness in the oil layer.
- the multilayer printed wiring board obtained above peels and removes the carrier on the surface of the insulating resin layer, and roughens the surface of the insulating resin layer with an oxidizing agent such as permanganate or dichromate. After processing, a new conductive circuit can be formed by metal plating.
- the metal foil that has been processed to improve adhesion to the insulating resin layer is used.
- a predetermined conductor circuit can be formed by etching the foil.
- the inner layer circuit board used when obtaining the multilayer printed wiring board is formed by, for example, forming a predetermined conductor circuit on both sides of the copper clad laminate by etching or the like, and blackening the conductor circuit portion. A thing can be used suitably.
- the present invention further provides a method for producing a thin double-sided board and a thin double-sided board.
- the method for producing a thin double-sided board of the present invention and the thin double-sided board produced by the method will be described in detail below.
- the method for producing a thin double-sided board according to the present invention includes a step of obtaining a thin double-sided board including an insulating resin layer containing a fiber cloth skeleton material, and the insulating resin layer containing the fiber cloth skeleton material is a fiber cloth.
- the first and second insulating resin layers are impregnated on both sides of the skeleton material, and the first and second insulating resin layers are impregnated with the carrier on the opposite side of the fiber fabric skeleton material.
- the insulating resin layer with a carrier and the thickness of the insulating resin including the skeleton material of the fiber cloth is 50 m or less.
- the thin double-sided board as used in the field of this invention means what is obtained by heat-curing the insulating resin layer containing the frame material of a fiber cloth.
- a method for producing the thin double-sided plate is, for example,
- the thickness of the insulating resin layer including the skeleton material of the fiber cloth formed by the method of the present invention is a force that can be appropriately set according to the thickness of the fiber cloth to be used, preferably 50 m or less. It is preferably 12 ⁇ m to 50 ⁇ m, more preferably 20 ⁇ m to 40 ⁇ m. Such a thin double-sided plate can be manufactured by the above method. Further, the thickness of the fiber cloth impregnated with the resin is preferably 48 m or less, more preferably 10 ⁇ m or more and 48 ⁇ m or less, and further preferably 15 ⁇ m or more and 35 ⁇ m or less.
- the fiber fabric used here is not particularly limited, but the same fabric as described above can be used.
- a glass woven fabric is used.
- the fiber cloth used here is a fiber cloth impregnated with rosin.
- the resin material used for the insulating resin layer is not particularly limited, and the same materials as those described above can be used.
- the insulating resin layer is made of a resin composition containing a thermosetting resin, such as cyanate resin and z or its prepolymer, epoxy resin, phenol resin, phenoxy resin.
- the resin composition may further contain an inorganic filler, and thereby, even when applied to a thin thin double-sided board using a thin fiber cloth, the cured product has excellent mechanical strength. In addition, the low thermal expansion can be further improved.
- inorganic filler As an inorganic filler, the same force as described above can be used. Jamaica is preferred. Furthermore, fused silica is preferable in that it has excellent low thermal expansion.
- Examples of the shape of the fused silica include a crushed shape and a spherical shape.
- the melt viscosity of the resin composition can be lowered. Can be improved.
- the content of the inorganic filler can be, for example, 30 to 80% by weight, preferably 40 to 70% by weight, based on the entire greave composition.
- an inorganic filler it is preferable to add a coupling agent.
- the coupling agent the same ones as described above can be used.
- the resin composition can contain a curing accelerator, and the curing accelerator is as described above. Furthermore, as described above, the resin composition can also be used in combination with a thermoplastic resin such as polyimide resin, polyamideimide resin, polyphenylene oxide resin, polyethersulfone resin. . If necessary, additives other than the above components such as pigments and antioxidants can be added.
- a thermoplastic resin such as polyimide resin, polyamideimide resin, polyphenylene oxide resin, polyethersulfone resin.
- additives other than the above components such as pigments and antioxidants can be added.
- the carrier can be the same as described above, and is not particularly limited.
- a metal foil is a film sheet that has been subjected to a detachable treatment.
- the same technique as described above can be used for joining under reduced pressure conditions.
- the bonding is performed by laminating the first and second carriers with the insulating resin layer and the fiber cloth to form a laminated body, and the laminated body is bonded while pressing both sides through at least one pair of laminate rolls. It is preferable to make it.
- a powerful method sufficient impregnation of the insulating resin layer into the fiber cloth can be achieved.
- the insulating resin layer is preferably a film. By using a film, pressing and joining using a roll are facilitated.
- the method of heat-curing is not particularly limited. For example, after heat treatment at 130 ° C, 150 ° C, and 180 ° C for 2 minutes in a hot air drying apparatus, treatment is performed at 200 ° C for 30 minutes. A method is mentioned. Here, a roll is installed in the hot air dryer, and Thus, a long-time heat-curing treatment can be performed in a short hot air drying apparatus.
- FIG. 7 is a schematic view showing one form of a thin double-sided board manufactured by the method of the present invention.
- the carrier 30a with the first insulating resin layer and the carrier 30a with the second insulating resin layer have carriers whose width dimension is larger than that of the fiber cloth 40.
- one having a width dimension larger than that of the fiber cloth 4 / having an insulating resin layer is used.
- the manufacturing method of the thin double-sided board of the present invention shown in FIG. 7 (1) the relationship between the width direction dimensions of the carrier, the insulating resin layer, and the fiber cloth is shown in FIG.
- One of the carriers with a grease layer for example, a carrier with an insulating grease layer having a larger dimension in the width direction than the fiber cloth 4 is used as a carrier with a first insulation grease layer, and with a second insulation grease layer.
- a carrier having an insulating resin layer having the same width direction dimension as that of the fiber cloth 4 may be used.
- the first carrier with an insulating resin layer and the second carrier with an insulating resin layer may be those having an insulating resin layer having the same width direction dimension as the fiber cloth 4. Good.
- the first carrier with an insulating resin layer and the second carrier with an insulating resin layer have a carrier having a dimension in the width direction larger than that of the fiber cloth, and either or both of them. It is preferable that the carrier with an insulating resin layer has a width dimension V larger than that of the fiber cloth and has an insulating resin layer.
- the thin double-sided board can be used for manufacturing a multilayer printed wiring board.
- the method for producing the multilayer printed wiring board of the present invention will be described below.
- Examples of the method for producing the multilayer printed wiring board of the present invention include the following methods.
- a through hole for interlayer connection is formed in the thin double-sided board of the present invention, and a circuit is manufactured by a subtractive method. Thereafter, an arbitrary build-up material is laminated, and the process of interlayer connection and circuit formation by the additive method is repeated to manufacture a multilayer printed wiring board.
- the manufacturing method of a multilayer printed wiring board can also be performed continuously.
- a method for continuously producing a pre-preder with a carrier having an insulating resin layer containing a skeletal material of fiber cloth By the method, it is possible to easily produce a pre-preder with a carrier having excellent impregnation properties and thickness accuracy. In particular, even when a thin fiber cloth is used, it is possible to achieve excellent impregnation with less internal strain.
- the multilayer printed wiring board using the pre-preda with a carrier of the present invention is excellent in mechanical properties such as warpage and dimensional stability and moldability, and printed wiring which requires high density and high multilayer. It can be suitably used for applications that require reliability such as plates.
- a pre-preda with a carrier when using cyanate resin should have good heat resistance and low thermal expansion, and should be used suitably for applications that require reliability such as printed wiring boards that require thinning. Can do.
- a method for continuously producing a thin double-sided board having an insulating resin layer containing a fiber fabric skeleton material is provided. It is possible to easily manufacture a thin double-sided plate that is excellent in temperature. In particular, even when a thin fiber cloth is used, it can be excellent in impregnation properties with less internal strain.
- epoxy resin (Ep5048” manufactured by Japan Epoxy Resin Co., Ltd.), 2 parts by weight of curing agent (dicyandiamide), and 0.1 part by weight of curing accelerator (2 ethyl 4-methylimidazole) It was dissolved in 100 parts by weight of methyl cellosolve to prepare a rosin varnish.
- a polyethylene terephthalate film having a thickness of 35 ⁇ m and a width of 480 mm was used as a carrier.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce a carrier with an insulating resin layer.
- the same carrier as the carrier A1 with an insulating resin layer was used.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce a carrier with an insulating resin layer.
- a glass woven fabric (“E02Z-S:”, width 360 mm, basis weight 17 gZm 2 ) (manufactured by Lucica Glass Fiber Co., Ltd.) was used as the fiber cloth.
- the carrier A1 with insulating resin layer (two sheets) obtained above was used as the first and second carriers with insulating resin layer.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped so as to be positioned in the center of the carrier in the width direction, and were joined using a laminate roll (24) at 80 ° C. under a reduced pressure condition of 750 Torr.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, and the width of the fiber cloth In the outer region of the directional dimension, the insulating resin layers of the first and second carrier with the insulating resin layer were joined together.
- the carrier A1 with an insulating resin layer obtained above was used as the first carrier with an insulating resin layer, and the carrier A2 with an insulating resin layer was used as the second carrier with an insulating resin layer.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped so as to be positioned in the center of the carrier in the width direction, and were joined using a laminate roll (24) at 80 ° C. under a reduced pressure condition of 750 Torr.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, and the width of the fiber cloth In the outer region of the direction dimension, the insulating resin layer of the carrier with the first insulating resin layer and the carrier of the carrier with the second insulating resin layer were joined.
- the bonded product is heated in a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes, and the insulating resin layer is melted without applying pressure, thereby prepressing with a carrier. Manufactured.
- the carrier A2 with insulating resin layer (two sheets) obtained above was used as the first and second carriers with insulating resin layer.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped so as to be positioned in the center of the carrier in the width direction, and were joined using a laminate roll (24) at 80 ° C. under a reduced pressure condition of 750 Torr.
- the insulating resin layer side of the carrier with the first and second insulating resin layers was bonded to both surfaces of the fiber cloth.
- a prepreg with a carrier was produced in the same manner as in Experimental Example A1, except that in Example A1, the first and second carriers with insulating resin layers and the fiber cloth were joined under reduced pressure conditions of 730 Torr.
- the carrier A1 with insulating resin layer (two sheets) obtained above was used as the first and second carriers with insulating resin layer.
- the carrier A1 with insulating resin layer (two sheets) obtained above was used as the first and second carriers with insulating resin layer.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped so as to be positioned in the width direction and at the center of the carrier, and bonded using an 80 ° C. laminate roll (24) under normal pressure conditions.
- the bonded product is heated in a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes, and the insulating resin layer is melted without applying pressure, thereby prepressing with a carrier. Manufactured.
- the carrier on one side was peeled and removed to expose the insulating resin layer, and the other side had a carrier.
- the insulating resin layer side of the pre-preder with a carrier was overlapped on both sides of the inner layer circuit board, and molded under conditions of a temperature of 120 ° C, a pressure of 1.5 MPa, and a pressure of 750 Torr. Then, it was heat-treated with a 200 ° C drying device to produce a multilayer printed wiring board.
- the evaluation method is as follows.
- pre-preparer with carrier was PCT-treated (121 ° CZ100% Z120 minutes) and then immersed in a solder bath at 260 ° C for 30 seconds to check for the occurrence of blisters.
- the cross section of the carrier-prepared pre-predder obtained in the experimental example was observed with a microscope, the thickness was measured at three locations at a pitch of 120 mm in the width direction, and the average value and standard deviation value were calculated.
- Experimental Examples A1 to A4 are prepreaders with a carrier of the present invention, and have excellent impregnation properties and thickness accuracy.
- the experimental examples Al, A2, and A4 have the first and second insulating resin layers. Since the carrier having a carrier having a larger dimension in the width direction than the fiber cloth and one or both of them has an insulating resin layer having a larger dimension in the width direction than the fiber cloth, the impregnation property is particularly good. It was excellent.
- the raw material of the liquid rosin composition used is as follows.
- Cyanate resin 1 Novolac-type cyanate resin (Lonza Japan, “Primaset PT-30”, Mw approx. 700)
- Cyanate resin 2 Novolac-type cyanate resin (Lonza Japan, “Primaset PT-60”, Mw approx. 2,600)
- Cyanate resin 3 Bisphenol A type cyanate resin (AroCyB-30 manufactured by Asahi Kasei Epoxy Co., Ltd.)
- Epoxy resin Biphenyldimethylene type epoxy resin (manufactured by Nippon Kayaku Co., Ltd., “NC-3000”, epoxy equivalent 275)
- Phenolic resin Biphenyl-dimethylene type phenol resin (manufactured by Nippon Kayaku Co., Ltd., “GPH 103”, hydroxyl equivalent 203)
- Phenyloxy resin Copolymer of 1Z bi-epoxy resin and bisphenol S epoxy resin which has an epoxy group at the end: "YX-8100H30" manufactured by Japan Epoxy Resin Co., Ltd. (Weight average molecular weight 30000)
- Curing accelerator Z imidazole compound Shikoku Kasei Kogyo Co., Ltd. “1 1 Benzirou 2 Phoenix imidazole” (9) Inorganic filler 1: Spherical fused silica (Electrochemical Industry, “SFP-10X”, average particle size 0.3 ⁇ m)
- Inorganic filler 2 Spherical fused silica (manufactured by Admatechs, "SO-32R", average particle size 1.5 ⁇ m)
- Inorganic filler 3 Spherical fused silica (manufactured by Admatechs, “SO-25R”, average particle size 0.5 ⁇ m)
- Coupling agent Epoxysilane type coupling agent (manufactured by Nippon Car Company, ⁇ -187 ”)
- the blending amount of each component is based on solid content.
- Epoxy resin (“Ep5048” manufactured by Japan Epoxy Resin Co., Ltd.) 100 parts by weight, curing agent (dicyandiamide) 2 parts by weight, and curing accelerator (2-ethyl 4-methylimidazole) 0.1 part by weight SOLV was prepared by dissolving 100 parts by weight of the liquid to prepare a liquid rosin composition b5.
- a polyethylene terephthalate film (Made by Mitsubishi Chemical Polyester, Diafoil) having a thickness of 35 ⁇ m and a width of 480 mm was used as a carrier.
- a comma coater device Using the apparatus of the form shown in Fig. 5 (1), apply the liquid resin composition 1 obtained above to the carrier with a comma coater device and dry it with a drying device at 150 ° C for 3 minutes. A film having a thickness of 20 mm and a width of 410 mm and having an insulating resin layer strength was formed so as to be positioned at the center of the carrier in the width direction. The obtained insulating resin layer was a film.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce carrier B-1 with an insulating resin layer.
- Carrier B-2 with an insulating resin layer was produced in the same manner as in 3.1 above, except that liquid resin composition b2 was used instead of liquid resin composition bl.
- carrier B-3 with insulating resin layer was produced in the same manner as described in 3.1 above, except that the liquid resin composition b3 was used instead of the liquid resin composition bl.
- a carrier B-4 with an insulating resin layer was produced in the same manner as described in 3.1 above, except that the liquid resin composition b4 was used instead of the liquid resin composition bl.
- the carrier the same carrier as the carrier B with an insulating resin layer was used.
- the liquid resin composition 3 obtained above was applied to the carrier with a comma coater device and dried for 3 minutes with a drying device at 150 ° C.
- An insulating resin layer having a thickness of 20 ⁇ m and a width of 360 mm was formed so as to be positioned at the center of the carrier in the width direction.
- the obtained insulating resin layer was a film.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce carrier C with an insulating resin layer.
- the carrier the same carrier as the carrier B with an insulating resin layer was used.
- insulating resin layer having a thickness of 20 ⁇ m and a width of 410 mm was formed so as to be positioned at the center of the carrier in the width direction.
- the obtained insulating resin layer was a film.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce carrier D with an insulating resin layer.
- a glass woven fabric (“E02Z-S:”, width 360 mm, basis weight 17 gZm 2 ) (manufactured by Lucica Glass Fiber Co., Ltd.) was used as the fiber cloth.
- the carrier B-1 with insulating resin layer (2 sheets) obtained above was used as a carrier with first and second insulating resin layers.
- the carrier with the first and second insulating resin layers While peeling off the protective film, superimpose the insulating resin layer side of the carrier with the insulating resin layer on both sides of the fiber cloth so that the fiber cloth is in the width direction and centered on the carrier. Bonding was performed using a laminate roll 24 at 80 ° C. under the reduced pressure condition.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, and the width of the fiber cloth In the outer region of the directional dimension, the insulating resin layers of the first and second carrier with the insulating resin layer were joined together.
- the above bonded material was heat-treated without applying pressure by passing it through a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes to produce a prepreg with a carrier.
- a prepreader with a carrier was produced in the same manner as in Experimental Example B1, except that carrier B-2 with an insulating resin layer was used instead of carrier B-1 with an insulating resin layer.
- a prepreader with a carrier was produced in the same manner as in Experimental Example B1, except that carrier B-3 with an insulating resin layer was used instead of carrier B-1 with an insulating resin layer.
- a prepreader with a carrier was produced in the same manner as in Experimental Example B1, except that carrier B-4 with an insulating resin layer was used instead of carrier B-1 with an insulating resin layer.
- Carrier B-3 with insulating resin layer obtained above is used as the first carrier with insulating resin layer
- Carrier C with insulating resin layer is used as the second carrier with insulating resin layer.
- the first and second insulating resins In the inner region of the width direction dimension of the fiber cloth, the first and second insulating resins
- the insulating resin layer side of the carrier with a layer is bonded to both sides of the fiber cloth, and the insulating resin of the carrier with the first insulating resin layer is applied to the outer region in the width direction of the fiber cloth.
- the layer and the carrier of the carrier with the second insulating resin layer were joined.
- the above bonded material was heat-treated without applying pressure by passing it through a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes to produce a prepreg with a carrier.
- carrier C with insulating resin layer two sheets obtained above was used as the first and second carriers with insulating resin layer.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped in the width direction so that they were positioned at the center of the carrier, and were joined using a laminate roll 24 at 80 ° C. under a reduced pressure condition of 750 Torr.
- the insulating resin layer side of the carrier with the first and second insulating resin layers was bonded to both surfaces of the fiber cloth.
- the above bonded material was heat-treated without applying pressure by passing it through a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes to produce a prepreg with a carrier.
- a pre-preder with a carrier was produced in the same manner as in Experimental Example B1, except that in Example B1, the first and second carriers with insulating resin layers and the fiber cloth were joined under reduced pressure conditions of 740 Torr.
- the carrier D (2 sheets) with an insulating resin layer obtained above was used as the first and second carriers with an insulating resin layer.
- the carrier with the first and second insulating resin layers While peeling off the protective film, superimpose the insulating resin layer side of the carrier with the insulating resin layer on both sides of the fiber cloth so that the fiber cloth is in the width direction and centered on the carrier. Bonding was performed using a laminate roll 24 at 80 ° C. under the reduced pressure condition.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, and the width of the fiber cloth In the outer region of the directional dimension, the insulating resin layers of the first and second carrier with the insulating resin layer were joined together.
- the above bonded material was heat-treated without applying pressure by passing it through a horizontal conveyance type hot air drying apparatus set at 120 ° C. for 2 minutes to produce a prepreg with a carrier.
- the carrier B-1 with insulating resin layer (2 sheets) obtained above was used as a carrier with first and second insulating resin layers.
- the insulating resin layer side of the carrier with the insulating resin layer is placed on both sides of the fiber cloth. Then, the fiber cloths are overlapped so that they are positioned in the center of the carrier in the width direction, and bonded using an 80 ° C laminate roll (24) under normal pressure conditions. Manufactured.
- the carrier B-1 with insulating resin layer (2 sheets) obtained above was used as a carrier with first and second insulating resin layers.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloths were overlapped on both sides so that the fiber cloths were in the width direction and were positioned at the center of the carrier, and bonded using an 80 ° C. laminate roll 24 under normal pressure conditions.
- the prepreg with a carrier was manufactured by passing through for a minute and heat-treating without applying pressure.
- the carrier with the carrier obtained in the experimental example was peeled and removed on one side to expose the insulating resin layer, and the other side had a carrier.
- the evaluation method is as follows.
- the cross section of the carrier-prepared pre-predder obtained in the experimental example was observed with a microscope, the thickness was measured at three locations at a pitch of 120 mm in the width direction, and the average value and standard deviation value were calculated.
- the coefficient of thermal expansion in the plane direction of the pre-preparer with a carrier obtained in the experimental example was measured using a TMA apparatus (manufactured by TA Instruments) at a temperature increase rate of 10 ° CZ.
- a 50mm x 50mm size test piece was cut out from the multilayer printed wiring board manufactured using the pre-preda with carrier obtained in the experimental example, PCT-treated (121 ° CZl00% Zl20 minutes), and then placed in a 260 ° C solder bath It was immersed for 30 seconds to check for the occurrence of blistering.
- the force that did not cause blistering was defined as “none”, and the material that swollen was defined as “bulge”.
- Experimental Examples B1 to B7 were pre-preders with a carrier of the present invention, and were excellent in impregnation properties and thickness accuracy.
- Experimental Examples B1 to B5 have a carrier having a larger dimension in the width direction than the fiber cloth as the first and second carriers with the insulating resin layer, and either one or both of them are wider than the fiber cloth. Since a material having an insulating resin layer having a large directional dimension was used and molding was performed under a pressure reduced by 740 ⁇ or more from normal pressure, the impregnation property was particularly excellent.
- a copper foil (Nippon Electrolytic Co., Ltd. ⁇ F2WS-12) with a thickness of 12 m and a width of 480 mm was used as a carrier.
- the liquid resin composition cl obtained above is applied to the carrier with a comma coater device and dried for 3 minutes with a 150 ° C drying device.
- An insulating resin layer having an insulating resin layer thickness of 14 / ⁇ and a width of 410 mm was formed so as to be positioned at the center of the carrier in the width direction.
- the obtained insulating resin layer was film-like.
- a protective film (polyethylene) was laminated on the insulating resin layer side to produce a copper foil 1 with an insulating resin layer.
- a copper foil 2 with an insulating resin layer 2 was produced in the same manner as in 3.1 above, except that the thickness of the insulating resin layer was 11.
- a copper foil 3 with an insulating resin layer was produced in the same manner as in 3.1 above, except that the thickness of the insulating resin layer was 9 m.
- a copper foil 4 with an insulating resin layer was produced in the same manner as in 3.1 above, except that the thickness of the insulating resin layer was 7 m. [0159] C-4. Manufacture of thin double-sided boards
- a glass woven fabric (“E02Z-S:”, width 360 mm, basis weight 17 gZm 2 ) (manufactured by Lucica Glass Fiber Co., Ltd.) was used as the fiber cloth.
- the copper foil 1 with insulating resin layer 1 (two sheets) obtained above was used as a carrier with first and second insulating resin layers.
- the insulating resin layer side of the carrier with the insulating resin layer is attached to the fiber cloth.
- the fiber cloth is laminated in a width direction so that it is positioned in the center of the carrier to form a laminated body, and the laminated body is laminated with a laminate roll 24 at 80 ° C. under a reduced pressure of 750 Torr. The two sides were pressed and joined.
- the insulating resin layer side of the carrier with the first and second insulating resin layers is bonded to both sides of the fiber cloth, and the width of the fiber cloth In the outer region of the directional dimension, the insulating resin layers of the first and second carrier with the insulating resin layer were joined together.
- the joined material was passed through a horizontal conveying type hot air dryer at 130 ° C., 150 ° C., and 180 ° C. for 2 minutes, respectively. Subsequently, it was cured by heating at 200 ° C. for 30 minutes without applying pressure to produce a double-sided copper-clad plate that was a thin double-sided plate.
- a double-sided copper-clad plate was produced in the same manner as in Example C1, except that the copper foil 2 with an insulating resin layer 2 was used instead of the copper foil 1 with an insulating resin layer.
- a double-sided copper-clad plate was produced in the same manner as in Example C1, except that the copper foil 3 with an insulating resin layer was used instead of the copper foil 1 with an insulating resin layer.
- a double-sided copper-clad board was produced in the same manner as in Example C1, except that the copper foil 4 with an insulating resin layer was used instead of the copper foil 1 with an insulating resin layer.
- the double-sided copper-clad plates obtained in C1 to C4 were thin double-sided plates of the present invention, and were excellent in thickness accuracy of the insulating resin layer including fiber cloth.
- the molding was performed under a pressure reduced by 740 Torr or more from the normal pressure, the impregnation property was particularly excellent. And it was possible to obtain a sufficiently thin thin double-sided board by heat-curing.
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800257103A CN101223015B (zh) | 2005-09-30 | 2006-09-27 | 带有载体的预浸料及其制造工艺、薄双面板及其制造工艺和多层印刷电路板的制造工艺 |
JP2007538722A JP4957552B2 (ja) | 2005-09-30 | 2006-09-27 | プリント配線板用キャリア付きプリプレグの製造方法、プリント配線板用キャリア付きプリプレグ、プリント配線板用薄型両面板の製造方法、プリント配線板用薄型両面板、及び多層プリント配線板の製造方法 |
KR1020097017303A KR101298354B1 (ko) | 2005-09-30 | 2006-09-27 | 캐리어 장착 프리프레그의 제조방법, 캐리어 장착 프리프레그, 박형 양면판의 제조방법, 박형 양면판, 및 다층 프린트 배선판의 제조방법 |
US11/921,461 US20090126974A1 (en) | 2005-09-30 | 2006-09-27 | Manufacturing Process for a Prepreg with a Carrier, Prepreg with a Carrier, Manufacturing Process for a Thin Double-Sided Plate, Thin Double-Sided Plate and Manufacturing Process for a Multilayer-Printed Circuit Board |
US13/014,072 US20110120630A1 (en) | 2005-09-30 | 2011-01-26 | Manufacturing process for a prepreg with a carrier, prepreg with a carrier, manufacturing process for a thin double-sided plate, thin double-sided plate and manufacturing process for a multilayer-printed circuit board |
Applications Claiming Priority (4)
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JP2005288716 | 2005-09-30 | ||
JP2005-288716 | 2005-09-30 | ||
JP2006035408 | 2006-02-13 | ||
JP2006-035408 | 2006-02-13 |
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WO2007040125A1 true WO2007040125A1 (ja) | 2007-04-12 |
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Family Applications (1)
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PCT/JP2006/319193 WO2007040125A1 (ja) | 2005-09-30 | 2006-09-27 | キャリア付きプリプレグの製造方法、キャリア付きプリプレグ、薄型両面板の製造方法、薄型両面板、及び多層プリント配線板の製造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20090126974A1 (ja) |
JP (2) | JP4957552B2 (ja) |
KR (2) | KR101298354B1 (ja) |
CN (2) | CN101973146B (ja) |
MY (1) | MY148019A (ja) |
TW (1) | TWI376396B (ja) |
WO (1) | WO2007040125A1 (ja) |
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JP2011249845A (ja) * | 2007-07-09 | 2011-12-08 | Sumitomo Bakelite Co Ltd | 回路基板用の樹脂シートおよびその製造方法 |
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US8357859B2 (en) | 2007-01-16 | 2013-01-22 | Sumitomo Bakelite Co., Ltd. | Insulating resin sheet laminate and multi-layer printed circuit board including insulating resin sheet laminate |
US8636868B2 (en) | 2007-03-20 | 2014-01-28 | Sumitomo Bakelite Co., Ltd. | Method for manufacturing laminated board, and laminated board |
JPWO2008129784A1 (ja) * | 2007-03-20 | 2010-07-22 | 住友ベークライト株式会社 | 積層板の製造方法および積層板 |
WO2008129784A1 (ja) * | 2007-03-20 | 2008-10-30 | Sumitomo Bakelite Co., Ltd. | 積層板の製造方法および積層板 |
JP5251866B2 (ja) * | 2007-03-20 | 2013-07-31 | 住友ベークライト株式会社 | 積層板の製造方法および積層板 |
US8535782B2 (en) | 2007-07-09 | 2013-09-17 | Sumitomo Bakelite Co., Ltd. | Resin sheet for circuit board and production process therefor |
JP2011249845A (ja) * | 2007-07-09 | 2011-12-08 | Sumitomo Bakelite Co Ltd | 回路基板用の樹脂シートおよびその製造方法 |
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US8992713B2 (en) | 2007-09-11 | 2015-03-31 | Ajinomoto Co., Inc. | Process for producing multilayer printed wiring board |
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JP2013082213A (ja) * | 2011-09-29 | 2013-05-09 | Sumitomo Bakelite Co Ltd | 金属張積層板、プリント配線基板、半導体パッケージ、半導体装置および金属張積層板の製造方法 |
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Also Published As
Publication number | Publication date |
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KR20080009157A (ko) | 2008-01-24 |
JPWO2007040125A1 (ja) | 2009-04-16 |
MY148019A (en) | 2013-02-28 |
KR101014517B1 (ko) | 2011-02-14 |
CN101973146B (zh) | 2012-09-26 |
JP2011132535A (ja) | 2011-07-07 |
JP4957552B2 (ja) | 2012-06-20 |
CN101973146A (zh) | 2011-02-16 |
KR101298354B1 (ko) | 2013-08-20 |
CN101223015A (zh) | 2008-07-16 |
KR20090101968A (ko) | 2009-09-29 |
TW200724583A (en) | 2007-07-01 |
TWI376396B (en) | 2012-11-11 |
US20090126974A1 (en) | 2009-05-21 |
CN101223015B (zh) | 2010-11-24 |
US20110120630A1 (en) | 2011-05-26 |
JP5440527B2 (ja) | 2014-03-12 |
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