WO2007099710A1 - 中間層材料およびコンポジット積層板 - Google Patents
中間層材料およびコンポジット積層板 Download PDFInfo
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- WO2007099710A1 WO2007099710A1 PCT/JP2007/000139 JP2007000139W WO2007099710A1 WO 2007099710 A1 WO2007099710 A1 WO 2007099710A1 JP 2007000139 W JP2007000139 W JP 2007000139W WO 2007099710 A1 WO2007099710 A1 WO 2007099710A1
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- intermediate layer
- layer material
- curable resin
- inorganic filler
- resin composition
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- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/536—Hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/06—Thermal details
- H05K2201/068—Thermal details wherein the coefficient of thermal expansion is important
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
Definitions
- the present invention relates to an intermediate layer material of a laminate and a composite laminate using the same.
- Such a metal foil-clad laminate is excellent in punching workability when forming a hole for mounting an electronic component to be mounted or punching a die, and is provided with a conductor circuit and an electronic component formed on the laminate.
- dimensional stability in the surface direction, especially low thermal expansion during heating, is required.
- a fiber base material is impregnated with a thermosetting resin composition containing an inorganic filler having a very small thermal expansion coefficient such as silica.
- a method for producing a laminated board using a material for example, see Patent Document 1
- a method for producing a laminated board using a special substrate such as alumina silica fiber cloth (for example, see Patent Document 2). ) Etc.
- Patent Document 1 Japanese Patent Laid-Open No. 06-2 3 7 0 5 5
- Patent Document 2 Japanese Patent Application Laid-Open No. Sho 6 1-2-7 3 94
- thermosetting resin composition containing an inorganic filler having a small thermal expansion coefficient By the way, according to the method using the thermosetting resin composition containing an inorganic filler having a small thermal expansion coefficient, the dimensional stability of the obtained laminate can be improved.
- the present invention can provide a laminated sheet having good punching workability and having excellent dimensional stability in the plane direction, and a laminated sheet using the same.
- a board is provided.
- the linear expansion coefficient (1) in the planar direction in the region below 25 ° C and below the glass transition temperature (T g) is 20 p pmZ ° C or less
- the linear expansion coefficient (1) in the planar direction in the region below 25 ° C and below the glass transition point (T g) is 20 p pmZ ° C or less.
- the laminated board obtained by using the intermediate layer material of the present invention is suitably used for a printed wiring board having excellent workability and connection reliability at a low price.
- the cured product is a)
- the linear expansion coefficient (1) in the plane direction in the region of 25 ° C or more and the glass transition point (Tg) or less is less than 20ppmZ ° C, and ii) Barcol hardness at 25 ° C Is 40 to 65.
- the curable resin composition used in the present invention one containing a curable resin and an inorganic filler can be suitably used.
- the curable resin include the following thermosetting resins.
- thermosetting resins for example, phenol resin, epoxy resin, cyanate ester resin, urea (urea) resin, melamine resin, unsaturated polyester resin, bismaleimide resin, polyurethane resin, diallyl phthalate resin, silicone resin, resin having benzoxazine ring Etc.
- phenolic resins include phenolic nopolac resins, cresol nopolac resins, bisphenol A type nopolac resins, and other nopolac type phenolic resins; And resol-type phenol resins such as oil-modified resole phenol resins modified with walnut oil and the like. These can be used alone or in combination of two or more.
- the epoxy resin may be a compound having two or more epoxy groups in the molecule, such as bisphenol A type epoxy resin, bisphenol "type epoxy resin, bisphenol AD type epoxy resin, etc.
- Bisphenol type epoxy resin Nopolac type epoxy resin such as phenol nopolack type epoxy resin, cresol nopolack type epoxy resin; Brominated type type such as brominated bisphenol A type epoxy resin, brominated phenol novolac type epoxy resin
- Poxy resin In addition to heterocyclic epoxy resins such as “lidaricidyl isocyanate”, alicyclic epoxy resin, biphenyl epoxy resin, naphthalene epoxy resin, glycidyl ester epoxy resin, aryl alkylene Type epoxy resin, etc. Others can be used in combination of two or more.
- the cyanate ester resin for example, a product obtained by reacting a cyanogen halide with phenols, or a product obtained by prepolymerizing it with a method such as heating can be used.
- Specific examples include bisphenol type cyanate resins such as nopolac type cyanate resin, bisphenol A type cyanate resin, bisphenol E type cyanate resin, and tetramethylbisphenol F type cyanate resin. it can. These alone or Two or more types can be used in combination.
- thermosetting resin When the thermosetting resin is used, a curing agent and a curing accelerator can be used together as necessary.
- thermosetting resin when a phenol resin is used as the thermosetting resin, a formaldehyde source such as paraformaldehyde as well as hexamethylenetetramine can be applied.
- thermosetting resin When an epoxy resin is used as the thermosetting resin, a polyaddition type curing agent, a catalyst type curing agent, a condensation type curing agent, or the like can be applied.
- polyaddition type curing agents include: aliphatic polyamines such as diethylenediamine (DETA), triethylenetetramine (TETA), and metaxylenediamine (MXDA); diaminodiphenylmethane (DDM), m-phenylenediamine (MPDA), aromatic polyamines such as diaminodiphenylsulfone (DDS); polyamine compounds including dicyandiamide (DI CY) and organic acid dihydrazide; hexahydrophthalic anhydride (HHPA), methyltetrahydrophthalic anhydride (MTHPA) Alicyclic acid anhydrides such as: anhydrides containing aromatic acid anhydrides such as trimellitic anhydride (TMA), pyromellitic anhydride (PMDA) and benzophenone tetracarboxylic acid (BTDA); nopolac type phenol Polyphenolic compounds such as resins and phenolic polymers; polysulfide, thioe
- Catalytic curing agents include, for example, tertiary amine compounds such as benzyldimethylamine (BDMA), 2, 4, 6_tridimethylaminomethylphenol (DMP-30); 2-methylimidazole, 2_ethyl _ Imidazole compounds such as 4-methylimidazole (EM I 24); Lewis acids such as BF 3 complex.
- BDMA benzyldimethylamine
- DMP-30 2, 4, 6_tridimethylaminomethylphenol
- 2-methylimidazole 2_ethyl _ Imidazole compounds
- EM I 24 4-methylimidazole
- Lewis acids such as BF 3 complex.
- Condensation type curing agents include, for example, nopolac-type phenolic resin,
- a phenolic resin such as a Ru-type phenolic resin
- a urea resin such as a methylol group-containing urea resin
- a melamine resin such as a methylol group-containing melamine resin.
- the curable resin can contain, for example, an epoxy resin and a phenol resin. By doing so, an intermediate layer material having good dimensional stability and workability can be obtained.
- the inorganic filler used in the present invention includes, for example, talc, calcined clay, uncalcined clay, my strength, gaiates such as glass; oxides such as titanium oxide, alumina, silica, and fused silica; Carbonates such as calcium carbonate, magnesium carbonate and hydrotalcite; hydroxides such as aluminum hydroxide, magnesium hydroxide and calcium hydroxide; sulfates or sulfites such as barium sulfate, calcium sulfate and sulfite power; boric acid Examples thereof include borates such as zinc, barium metaborate, aluminum borate, calcium borate, and sodium borate; and nitrides such as aluminum nitride, boron nitride, and silicon nitride. These can be used alone or in combination of two or more.
- the inorganic filler it is preferable to use an inorganic filler having a layered structure.
- a curable resin component is impregnated between layers of the layered structure, so that when the resin composition is cured, the inorganic filler is used.
- the frictional frictional resistance in the plane direction can be increased at the contact surface between the curable resin component and the curable resin component. Further, even when this layered structure is cleaved into a plate shape, it is possible to increase the frictional frictional resistance in the planar direction at the contact surface between the inorganic filler and the curable resin component.
- Examples of the layered inorganic filler include talc, and my strength such as muscovite, phlogopite, fluorine phlogopite, and tetrasilicon mica.
- the inorganic filler having a layered structure includes a Mohs hardness of 4 or less. As a result, the elastic modulus of the laminate can be reduced and the punching processability can be improved.
- the punching workability can be further improved.
- muscovite 2.0 to 3.0
- phlogopite 2.0 to 3.0
- fluorine phlogopite 3.4
- tetrasilicon mica 3.0
- talc is particularly preferable. Thereby, the said effect
- the inorganic filler having a layered structure preferably has an aspect ratio of 3 or more.
- the effect of improving the dimensional stability of the laminate can be further enhanced.
- the aspect ratio refers to the ratio of the major axis dimension in the planar direction to the dimension in the thickness direction (major dimension in the planar direction Z dimension in the thickness direction) in the inorganic filler having a layered structure.
- the dimension in the thickness direction may be either before the layered inorganic filler is cleaved or after cleaving.
- the upper limit of the aspect ratio is not particularly limited, but can usually be about 3,00.
- the inorganic filler is 50 to 80% by weight, particularly 60 to 80%, based on the total solid content in the curable resin composition. It is preferable to contain by weight. Thereby, the effect of improving dimensional stability can be enhanced.
- solid content in curable resin composition means the part which match
- the amount of the inorganic filler is too small, the effect of improving the dimensional stability may not be sufficient. Also, if there are too many inorganic fillers, the curable resin composition will be adjusted. When manufacturing, workability may be reduced.
- the inorganic filler contains 50 to 100% by weight, particularly 70 to 100% by weight, of a layered inorganic filler. It is preferable. And it is preferable to contain 30 to 80% by weight, particularly 60 to 80% by weight of the inorganic filler having a layered structure with respect to the entire curable resin composition. As a result, the effect of improving the dimensional stability can be enhanced.
- the amount of the inorganic filler having a layered structure is too small, the effect of improving the dimensional stability may not be sufficient.
- the curable resin composition of the present invention includes, in addition to the curable resin, the curing agent, the curing accelerator, and the inorganic filler described above, as required, a phenoxy resin, a polyether sulfone, a polyphenylene sulfide.
- Thermoplastic resins such as eyed; plasticizers, facial materials, surface treatment agents and the like can be blended.
- Examples of the surface treatment agent include epoxy coupling agents, titanate coupling agents, aminosilane coupling agents, silicone oil type coupling agents, and other curable resin components used in the composition. Can also be used.
- the curable resin composition used in the present invention is, for example, mixed with a curable resin, a curing agent, a curing accelerator, or the like described above, or dissolved or dispersed in a solvent that can be dissolved or dispersed.
- a curable resin e.g., a curable resin, a curing agent, a curing accelerator, or the like described above, or dissolved or dispersed in a solvent that can be dissolved or dispersed.
- an inorganic filler after adding an inorganic filler, it can be prepared by mixing and dispersing using a stirring device, a dispersing device, or the like.
- the curable resin composition is preferably in a liquid form. Thereby, the impregnation property to the fiber base material can be improved.
- the inorganic filler and the curable resin component are mixed. It is preferable to apply a surface treatment to the inorganic filler at the stage of Yes.
- the inorganic filler having a layered structure is preferably subjected to a surface treatment.
- the curable resin component is impregnated in a short time between the layers of the inorganic filler having the layered structure, and the entire curable resin composition is obtained. It is possible to prevent the mixing accuracy and mixing workability from being deteriorated due to excessive increase in the viscosity.
- the composition excessively increases in viscosity. Therefore, it is possible to prepare a curable resin composition excellent in mixing accuracy and handleability.
- the affinity with the curable resin component is improved, and the effect of improving mechanical properties, heat resistance (particularly solder heat resistance after moisture absorption) and dimensional stability is also exhibited. be able to.
- Glass fiber base materials such as a glass woven fabric and a glass nonwoven fabric
- Inorganic fiber groups such as a woven fabric or a nonwoven fabric which contain inorganic compounds other than glass as a component Materials: Polyamide resin, aromatic polyamide resin, polyester resin, aromatic polyester resin, polyimide resin, organic fiber substrate composed of organic fibers such as fluororesin, and the like.
- a glass fiber base material is preferable because of its low linear expansion coefficient, low price, high mechanical strength, and low hygroscopicity.
- a glass fiber non-woven fabric can improve punching workability. Is preferred.
- the basis weight of the glass fiber nonwoven fabric to be used for example, can be suitably used for 3 0 ⁇ 1 5 0 g Zm 2 .
- the intermediate layer material of the present invention can be produced by impregnating the fiber base material with a curable resin composition and heat-treating it.
- curable As a method for impregnating the fiber base material with the curable resin composition, for example, curable A method of immersing a fiber base material in a resin composition, a method of applying a curable resin composition to a fiber base material using a spraying device such as a spray, a curability using various coater devices such as a comma coater and a knife coater And a method of applying a resin composition to a fiber base material.
- the above method can be appropriately selected depending on the properties of the curable resin composition and the fiber base material, the amount of the curable resin composition to be impregnated into the fiber base material, and the like.
- the curable resin composition After impregnating the curable resin composition into the fiber base material, this is heat-treated. If a solvent is used during the preparation of the curable resin composition, it is removed by drying, and the handling property is improved. Can be a good intermediate layer material. In addition, if necessary, the curing reaction of the curable resin component can be advanced halfway to adjust the resin fluidity during the production of the laminate.
- condition for the heat treatment for example, it can be carried out at 120 to 220 ° C. for 30 to 180 minutes.
- the cured product obtained by curing the intermediate layer material has a linear expansion coefficient (Q) in the planar direction in a region of a glass transition point (Tg) of 25 ° C or higher and lower than Tg. Is less than 20 pp mZ ° C, and the barcol hardness at 25 ° C is 40 or more and 65 or less, it has the effect of simultaneously improving the workability and dimensional stability of the resulting laminate. Play.
- Specific means for satisfying the above a) and b) is to combine a specific curable resin and an inorganic filler as appropriate, for example, epoxy resin as the curable resin, Mohs hardness of 4 or less as the inorganic filler, Appropriate combination of talc with a ratio of 3 or more.
- the intermediate layer material of the present invention is a cured product obtained by curing at 180 ° C.
- A) Lines in the plane direction in the region of 25 ° C or more and the glass transition point (Tg) or less
- the expansion coefficient (Q? 1) is less than 20 pp mZ ° C.
- the lower limit is not particularly limited, but is preferably 0 p p mZ ° C to 20 p p mZ ° C, and more preferably 15 to 18 p p mZ ° C.
- the linear expansion coefficient in the above region of the cured intermediate layer material is 20 p
- the temperature is not more than P mZ ° C
- a composite laminated board that can reduce the linear expansion coefficient of the laminated board and can manufacture a circuit board having excellent connection reliability with electronic components can be obtained.
- the linear expansion coefficient is calculated using a thermomechanical analysis (TMA) apparatus.
- TMA thermomechanical analysis
- a cured product of the intermediate layer material is used as a measurement sample, which is set on the stage of the apparatus, heated at a constant speed while applying a constant load, and the amount of expansion that occurs is differential transformer. It can be detected as an electrical output and calculated from the relationship with temperature.
- the cured product of the intermediate layer material means a state in which the reaction of the functional group of the curable resin component in the curable resin composition constituting the intermediate layer material is substantially completed.
- DSC differential scanning calorimetry
- the calorific value can be evaluated by measuring the calorific value with a device. Specifically, this means that the calorific value is hardly detected.
- the treatment As a condition for obtaining such a cured product of the intermediate layer material, for example, it is preferable to perform the treatment at 120 to 220 ° C. for 30 to 180 minutes, and in particular, 150 to 200 It is preferable to treat at 45 ° C. for 45 to 120 minutes.
- the intermediate layer material of the present invention is a cured product obtained by curing it at 180 ° C.
- the Barcol hardness at 25 ° C is 40 to 65.
- the bar call hardness is preferably 45 to 65.
- the workability at the time of punching the laminated plate can be improved, cracking at the time of punching can be prevented, and sufficient mechanical strength required for the laminated plate can be obtained. More preferably, it is 50 to 65. This can further improve the punching workability.
- the above-mentioned Barcol hardness can be measured at 25 ° C. or lower according to JISK 9 6 1 1 4 6-5 2 using a Barcol hardness meter.
- Examples of a method for obtaining an intermediate layer material having a thermal expansion coefficient and an elastic modulus as described above include a blending ratio of a curable resin component and an inorganic filler, and a layered structure. Examples thereof include methods for appropriately preparing the use of inorganic fillers and the mixing ratio thereof, the use of a fiber base material having a small linear expansion coefficient, and the like.
- the composite laminate of the present invention is characterized in that one or more of the intermediate layer materials of the present invention are superposed and a structure in which one or more surface layer materials are overlapped on both sides is cured.
- a fiber base material for the surface layer material impregnated with a curable resin composition for the surface layer material and dried can be preferably used.
- the fiber base material for the surface layer material examples include glass fiber base materials such as glass woven fabric and glass non-woven fabric; inorganic fiber base materials such as woven fabric and non-woven fabric containing inorganic compounds other than glass; polyamide Examples thereof include organic fiber base materials composed of organic fibers such as resins, aromatic polyamide resins, polyester resins, aromatic polyester resins, polyimide resins, and fluororesins.
- a glass fiber base material is preferable because it has a low linear expansion coefficient, low price, high mechanical strength, and low hygroscopicity. Among them, sufficient mechanical strength is provided for the composite laminate.
- a glass fiber woven fabric is preferable because it can be applied.
- a glass fiber of 50 to 2500 g Zm 2 can be suitably used.
- thermosetting resin examples include phenol resin, epoxy resin, cyanate ester resin, urea (urea) resin, melamine resin, unsaturated polyester resin, bismaleimide resin, polyurethane resin, diallyl phthalate resin, Examples thereof include silicone resins and resins having a benzoxazine ring.
- thermosetting resin and the curing agent used in combination those described in the section of the curable resin composition used for the material for the intermediate layer are similarly used. Can be applied.
- the curable resin composition for the surface layer material may further contain a thermoplastic resin, a plasticizer, a pigment, a surface treatment agent, an inorganic filler, and the like.
- a thermoplastic resin e.g., polymethyl methacrylate
- a plasticizer e.g., polymethyl methacrylate
- a pigment e.g., polymethyl methacrylate
- a surface treatment agent e.g., polystymer, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl me
- the surface layer material used in the composite laminate of the present invention can be produced by impregnating the above-mentioned surface base fiber substrate with a surface layer curable resin composition and heat-treating it.
- Examples of the method of impregnating the fiber base material with the curable resin composition include, for example, a method of immersing the fiber base material in the curable resin composition, and a method of using a spraying device such as a spray as a fiber for the curable resin composition. Examples thereof include a method of applying to a substrate, a method of applying a curable resin composition to a fiber substrate using various coaters such as a comma coater and a knife coater.
- the above method can be appropriately selected depending on the properties of the curable resin composition and the fiber base material, the amount of the curable resin composition to be impregnated into the fiber base material, and the like.
- the curable resin composition After impregnating the curable resin composition into the fiber base material, this is heat-treated. If a solvent is used during the preparation of the curable resin composition, it is removed by drying, and the handling property is improved. Can be a good surface layer material. In addition, if necessary, the curing reaction of the curable resin component can be advanced halfway to adjust the resin fluidity during the production of the laminate.
- the heat treatment can be performed at 120 to 200 ° C. for 1 to 10 minutes.
- the composite laminate of the present invention is obtained by curing a configuration in which the intermediate layer material of the present invention and a surface layer material are superposed.
- a metal foil-clad recomposite laminate may be obtained by curing a configuration in which a metal foil such as a copper foil is disposed on the side or both sides.
- a method of heating and pressing under the conditions of 150 to 250 ° C, 30 to 180 minutes, and 0.5 to 1 OMPa is applied. But it can.
- the linear expansion coefficient (1) in the region of 25 ° C or more and the glass transition point (Tg) or less is 20ppmZ ° C or less. More preferably, it is 15 to 18 p pmZ.
- the linear expansion coefficient of the composite laminate can be measured by the same method as the linear expansion coefficient of the cured product of the intermediate layer material.
- the linear expansion coefficient of the composite laminate By setting the linear expansion coefficient of the composite laminate to the above range, even in the process of heat-treating the circuit board after mounting the electronic component (for example, reflow mounting, flow mounting, etc.), the linear expansion amount of the circuit board and the electronic component Since the difference from the amount of linear expansion can be reduced, the connection reliability between the conductor circuit on the circuit board and the electronic component can be ensured.
- the elastic modulus at 25 ° C is 8,000 to 20,000 MPa, preferably 10 000 to 18,000 MPa, more preferably 10 000 to 15,000 OMPa.
- the elastic modulus of the composite laminate can be measured according to JIS C 6481.
- the elastic modulus of the composite laminate By setting the elastic modulus of the composite laminate within the above range, it is possible to reduce the punching resistance when the circuit board is punched while giving sufficient mechanical strength to the laminate. It is possible to prevent cracks from occurring. Thereby, the punching process can be performed efficiently. In addition, the processing yield of the circuit board can be improved, the life of a processing tool such as a drill can be extended, and the manufacturing cost of the circuit board can be reduced.
- Epoxy resin 1 Brominated bisphenol A type epoxy resin, “1 53” manufactured by Dainippon Ink & Chemicals, Inc., epoxy equivalent 400
- Epoxy resin 2 Bisphenol A type epoxy resin, “850” manufactured by Dainippon Ink & Chemicals, Epoxy equivalent 1 90
- Curing agent Nopolac type phenol resin, “PR — 51 470” manufactured by Sumitomo Bakelite Co., Ltd.
- Inorganic filler 1 Talc, ⁇ ⁇ ⁇ _53 manufactured by Fuji Talc Kogyo Co., Ltd., aspect ratio 10, Mohs hardness 1, particle size 18 m
- Inorganic filler 2 My strength, manufactured by Co-op Chemical Co., Ltd., ratio of 10 and Mohs hardness 3
- Inorganic filler 3 Silica, manufactured by Admatechs, Mohs hardness 7
- surface treatment inorganic filler 1 was prepared by subjecting 100 parts by weight of inorganic filler 1 to 2 parts by weight of a surface treatment agent and performing surface treatment by a high-speed stirrer method.
- Curable resin composition (solid content) Curable resin composition for intermediate layer material in the same manner as in 2.1 except that 230 parts by weight of surface-treated inorganic filler 1 was blended with 100 parts by weight of solid resin 3 was prepared.
- inorganic filler 1 Except for using 100 parts by weight of inorganic filler 1 as the inorganic filler, a total of 50 parts by weight of inorganic filler 1 and 50 parts by weight of inorganic filler 2 was used.2. In the same manner as in Example 1, a curable resin composition 4 for intermediate layer material was prepared.
- a glass fiber nonwoven fabric (“EPM”, 50 gZm 2 manufactured by Cumulus Co., Ltd.) was used as a fiber base material for the intermediate layer material.
- Intermediate layer material 2 was produced in the same manner as in Example 1, except that curable resin composition 2 for intermediate layer material was used instead of curable resin composition 1 for intermediate layer material.
- Intermediate layer material 3 was produced in the same manner as in Example 1, except that curable resin composition 3 for intermediate layer material was used instead of curable resin composition 1 for intermediate layer material.
- Curable resin composition for intermediate layer material instead of 1 curable resin composition for intermediate layer material
- An intermediate layer material 4 was produced in the same manner as in Example 1 except that the composition 4 was used.
- Intermediate layer material 5 was produced in the same manner as in Example 1, except that curable resin composition 5 for intermediate layer material was used instead of curable resin composition 1 for intermediate layer material.
- the intermediate layer material 5 is a material mainly composed of silica that has been conventionally used.
- a glass fiber woven fabric manufactured by Totobo Co., Ltd., 180 g Zm 2 .
- This configuration was heated from normal temperature using a vacuum press molding device that was reduced from normal pressure to 7 40 TO rr, and was heated and pressed under the conditions of 4 MPa for 60 minutes at a maximum temperature of 1800 ° C.
- a composite laminate was manufactured.
- thermomechanical analysis (TMA) apparatus Using this cured product as a sample, the linear expansion coefficient in two directions was measured using a thermomechanical analysis (TMA) apparatus in accordance with the method described in JISK 7 1 97.
- TMA thermomechanical analysis
- the glass transition point (T g) was 1 05-1 45 ° C
- the measurement conditions are as follows.
- thermomechanical analysis (TMA) device Using the obtained laminated plate with the copper foil removed from the entire surface by etching, using a thermomechanical analysis (TMA) device, the wire in two directions was compliant with the method described in JISK 7 1 97. The expansion coefficient was measured.
- TMA thermomechanical analysis
- a 150T (ton) punching press was performed, and after the press, the verbal specimen was removed from the die, and the surface of the part corresponding to the hole was evaluated by appearance.
- Examples 1 to 4 are intermediate layer materials according to the present invention, which have a low coefficient of linear expansion, excellent dimensional stability in the direction of the surface, and a bar-coal hardness within a suitable range.
- the composite laminate using this intermediate layer material is excellent in punching workability, and has a low coefficient of linear expansion, so it has excellent dimensional stability in the surface direction and excellent connection reliability. Met.
- Comparative Example 1 is an intermediate layer material containing a large amount of silica, which has a small coefficient of linear expansion but a large elastic modulus.
- the composite laminate using this intermediate layer material had good connection reliability but poor punching workability.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
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CN2007800076757A CN101395208B (zh) | 2006-03-03 | 2007-02-27 | 中间层材料和复合层压板 |
JP2008502668A JP5332608B2 (ja) | 2006-03-03 | 2007-02-27 | 中間層材料およびコンポジット積層板 |
US12/281,242 US8722191B2 (en) | 2006-03-03 | 2007-02-27 | Intermediate layer material and composite laminate |
KR1020087024220A KR101337168B1 (ko) | 2006-03-03 | 2007-02-27 | 중간층 재료 및 복합 적층판 |
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JP2006058537 | 2006-03-03 |
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PCT/JP2007/000139 WO2007099710A1 (ja) | 2006-03-03 | 2007-02-27 | 中間層材料およびコンポジット積層板 |
Country Status (7)
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US (1) | US8722191B2 (ja) |
JP (1) | JP5332608B2 (ja) |
KR (1) | KR101337168B1 (ja) |
CN (1) | CN101395208B (ja) |
MY (1) | MY157959A (ja) |
TW (1) | TWI458401B (ja) |
WO (1) | WO2007099710A1 (ja) |
Cited By (2)
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JP2011057867A (ja) * | 2009-09-10 | 2011-03-24 | Sekisui Chem Co Ltd | 透明複合材料及び透明シート |
JP2013216086A (ja) * | 2012-03-14 | 2013-10-24 | 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、および半導体装置 |
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CN101785373B (zh) * | 2007-08-24 | 2012-03-28 | 住友电木株式会社 | 多层布线基板以及半导体装置 |
TWI473717B (zh) * | 2010-08-02 | 2015-02-21 | Tech Advance Ind Co Ltd | 熱壓機用之緩衝材及其應用 |
KR20120066141A (ko) * | 2010-12-14 | 2012-06-22 | 삼성전기주식회사 | 인쇄회로기판의 절연층, 이의 제조방법, 및 이를 포함하는 인쇄회로기판 |
JP5617028B2 (ja) * | 2011-02-21 | 2014-10-29 | パナソニック株式会社 | 金属張積層板、及びプリント配線板 |
JP2013000995A (ja) * | 2011-06-17 | 2013-01-07 | Panasonic Corp | 金属張積層板、及びプリント配線板 |
EP2759400B1 (en) * | 2011-09-22 | 2020-04-15 | Hitachi Chemical Company, Ltd. | Laminated body, laminated board, multi-layer laminated board, printed wiring board, and production method for laminated board |
JP2013123907A (ja) * | 2011-12-16 | 2013-06-24 | Panasonic Corp | 金属張積層板、及びプリント配線板 |
JP2013203936A (ja) * | 2012-03-29 | 2013-10-07 | Sumitomo Bakelite Co Ltd | 複合体組成物および複合体組成物の製造方法 |
JP5941847B2 (ja) * | 2013-01-17 | 2016-06-29 | 信越化学工業株式会社 | シリコーン・有機樹脂複合積層板及びその製造方法、並びにこれを使用した発光半導体装置 |
DE102014226834A1 (de) * | 2014-12-22 | 2016-06-23 | Henkel Ag & Co. Kgaa | Verwendung eines Thiolester als Härter für Epoxid-Klebstoffe |
CN106751436B (zh) * | 2016-11-09 | 2019-06-18 | 上海欧亚合成材料有限公司 | 用于薄壁结构的酚醛模塑料 |
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- 2007-02-27 MY MYPI20083352A patent/MY157959A/en unknown
- 2007-02-27 WO PCT/JP2007/000139 patent/WO2007099710A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
CN101395208B (zh) | 2012-07-04 |
US20090017308A1 (en) | 2009-01-15 |
MY157959A (en) | 2016-08-30 |
JP5332608B2 (ja) | 2013-11-06 |
TWI458401B (zh) | 2014-10-21 |
US8722191B2 (en) | 2014-05-13 |
KR20090004909A (ko) | 2009-01-12 |
TW200810623A (en) | 2008-02-16 |
CN101395208A (zh) | 2009-03-25 |
JPWO2007099710A1 (ja) | 2009-07-16 |
KR101337168B1 (ko) | 2013-12-05 |
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