WO2018179682A1 - 接着剤付き銅箔、銅張積層板および配線基板 - Google Patents
接着剤付き銅箔、銅張積層板および配線基板 Download PDFInfo
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- WO2018179682A1 WO2018179682A1 PCT/JP2018/000824 JP2018000824W WO2018179682A1 WO 2018179682 A1 WO2018179682 A1 WO 2018179682A1 JP 2018000824 W JP2018000824 W JP 2018000824W WO 2018179682 A1 WO2018179682 A1 WO 2018179682A1
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- copper foil
- group
- copper
- polyphenylene ether
- adhesive
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- 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
-
- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/382—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal
-
- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
-
- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/389—Improvement of the adhesion between the insulating substrate and the metal by the use of a coupling agent, e.g. silane
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
Definitions
- the present invention relates to an adhesive-attached copper foil, a copper-clad laminate, and a wiring board, and more particularly, to a wiring board having a low dielectric constant and a low dielectric loss tangent, and an adhesive-attached copper foil and a copper-clad laminate suitable for manufacturing the same .
- thermosetting resins such as phenol resin, epoxy resin, and polyimide resin have been used for printed wiring boards. Although these resins have various performances in a well-balanced manner, the dielectric properties in the high frequency region are insufficient.
- JP 2005-008829 A Japanese Patent No. 4178415 JP 2003-201585 A
- polyphenylene ether is also required to further lower the dielectric constant and dielectric loss tangent in such a high frequency region.
- polyphenylene ether has few functional groups with high polarity that contribute to adhesion, there is a tendency for the adhesive properties between the copper foil and the cured resin layer to deteriorate, and there is an increasing demand for a low dielectric substrate with high adhesion.
- An object of the present invention is to provide a wiring board having a low dielectric constant and a low dielectric loss tangent. Moreover, this invention is suitable for manufacture of such a wiring board, and it aims at provision of the copper foil with an adhesive agent and the copper clad laminated board with which adhesiveness with copper foil was improved.
- the copper foil with an adhesive of the present invention is a copper foil with an adhesive having a copper foil and an adhesive layer provided on one side of the copper foil, the copper foil having methacrylic silane on one side,
- the adhesive layer has a roughened surface that is surface-treated with acrylic silane or isocyanurate silane, and the adhesive layer is mainly composed of modified polyphenylene ether in which the hydroxyl group present at the end of the main chain is modified with an ethylenically unsaturated compound. And is formed on the roughened surface.
- the copper clad laminate of the present invention is a copper clad laminate obtained by laminating a prepreg and a copper foil, and the copper foil is surface-treated with methacryl silane, acryl silane or isocyanurate silane on one side.
- the prepreg having a roughened surface is formed by impregnating a glass cloth with a resin composition mainly composed of a modified polyphenylene ether in which a hydroxyl group present at the end of the main chain is modified with an ethylenically unsaturated compound, And it is laminated
- the wiring board of the present invention is characterized by having the above-described copper-clad laminate of the present invention in which a copper foil is processed into a wiring pattern.
- the wiring board of the present invention it is possible to obtain a wiring board suitable for high frequency use having a low dielectric constant and a low dielectric loss tangent and excellent adhesion to a copper foil.
- the copper foil with adhesive and the copper clad laminate of the present invention are suitable materials for producing the wiring board.
- the copper foil 1 with an adhesive includes a copper foil 2 and an adhesive layer 3 provided on one surface of the copper foil 2.
- the adhesive-attached copper foil 1 is bonded to a resin base material (prepreg or the like) to obtain a laminated member (copper-clad laminate or the like) having a copper foil on the resin base material surface.
- This laminated member can be processed into an inner layer circuit board, and further laminated with a copper foil 1 with an adhesive to make a multilayer board (wiring board or the like).
- a multilayer board wiring board or the like
- the copper foil used in the present embodiment is not particularly limited as long as it is a copper foil used as a material for a circuit board of an electronic component.
- the copper foil any one of an electrolytic copper foil and a rolled copper foil is used. You may use and there is no limitation in the kind etc.
- the surface of this copper foil is roughened on one side.
- “roughening treatment” in this specification refers to making irregularities on the surface of the copper foil.
- the surface opposite to the glossy surface is intentionally roughened. And forming a rough surface on the rough surface, or forming a rough surface on a single surface of a rolled copper foil having a smooth surface by a known method such as blasting.
- the thickness of the copper foil is preferably in the range of 5 to 70 ⁇ m.
- the surface roughness Rz of the roughened surface of the copper foil is in the range of 2 to 20% of the thickness of the copper foil. It is preferable. Further, the surface roughness Rz is preferably 0.1 to 2.0 ⁇ m.
- the surface roughness Rz indicates the maximum height in JIS B0601: 2001.
- the roughened surface is a so-called mat surface, and the opposite surface is a smooth surface (glossy surface).
- the copper foil used in the present embodiment has the roughened surface side as an adhesive surface, and in the copper foil with adhesive, the surface on which the adhesive layer is provided and the roughened surface are the same.
- adhesive surface refers to the surface of the copper foil that is bonded to the resin base material, and refers to the surface on which the adhesive layer is provided.
- the copper foil with an adhesive according to the present embodiment has roughened the surface on the bonding surface side regardless of the type of electrolytic copper foil, rolled copper foil, and the like. Sufficient adhesive strength between the copper foil and the resin base material can be obtained by interposing the adhesive layer between the base material and the base material.
- the copper foil with an adhesive according to the present embodiment is a so-called low-roughened copper foil (low profile copper foil), sufficient adhesive strength with the resin base material can be obtained, so that it is conventional.
- the surface roughness Rz of the copper foil is more preferably 1.5 ⁇ m or less, and further preferably 1.0 ⁇ m or less.
- one surface (roughened surface side) of the copper foil is subjected to a surface treatment with a silane coupling agent to form a silane coupling agent layer, and an adhesive layer described later on the surface of the silane coupling agent layer. It is set as the structure which provides.
- a silane coupling agent layer By providing an adhesive layer on the surface of the copper foil via the silane coupling agent layer, the wettability between the surface of the copper foil and the adhesive layer is improved, and the copper foil with adhesive is applied to the resin substrate.
- the adhesion strength when combined can be improved, and the adhesion of bonding can be improved.
- copper foil can be stuck more firmly to the resin base material (prepreg) mentioned later.
- the silane coupling agent layer When the silane coupling agent layer is formed, a solution obtained by dissolving 0.5 to 10 g / L of the silane coupling agent in water as a solvent is immersed at a temperature of room temperature, showering method, spraying method. It is preferable that the surface of the copper foil and the silane coupling agent are brought into uniform contact with each other and the silane coupling agent is uniformly adsorbed on the surface of the copper foil.
- the silane coupling agent forms a film by condensation bonding with OH groups protruding from the surface of the copper foil.
- silane coupling agents As silane coupling agents, commercially available silane coupling agents such as epoxy and amino are effective for epoxy base materials and have been used for many years. There are increasing cases where required characteristics such as strength and heat resistance cannot be satisfied. Therefore, in this embodiment, when methacryl silane, acrylic silane, or isocyanurate silane is used as the silane coupling agent, peel strength and heat resistance are improved, and high-frequency characteristics are improved.
- the surface (roughened surface) of the copper foil is subjected to a rust prevention treatment, and then the silane coupling agent treatment is performed, and this rust prevention treatment layer and the silane coupling layer are treated. It is good also as a structure which further provides an adhesive bond layer on the surface in which is formed.
- rust prevention treatment for copper foil include inorganic rust prevention treatment using zinc, nickel, cobalt, etc., chromate treatment using chromate, organic rust prevention treatment using organic agents such as benzotriazole, imidazole, etc. It is done.
- copper foil hereinafter, when simply referred to as “copper foil”, a copper foil subjected to rust prevention treatment is also included.
- the adhesive layer used here is provided on one side of a copper foil, and is a resin composition mainly composed of a modified polyphenylene ether in which a hydroxyl group present at the end of the main chain is modified with an ethylenically unsaturated compound. Consists of.
- the modified polyphenylene ether used here is one in which the hydroxyl group present at the end of the main chain of the polyphenylene ether is modified with an ethylenically unsaturated compound, and lowers the dielectric constant and dielectric loss tangent in the cured product of the resin composition. .
- the resin composition includes (A) a modified polyphenylene ether in which the hydroxyl group present at the end of the main chain is modified with an ethylenically unsaturated compound, and (B) triallyl isocyanurate and triary.
- a resin composition containing a cyanurate compound containing at least one kind of rucyanurate and (C) an organic peroxide is preferable.
- the (A) modified polyphenylene ether used in this embodiment preferably contains, for example, a polyphenylene ether represented by the following general formula (I).
- R 1 to R 7 are each independently a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms, and a straight chain having 2 to 8 carbon atoms.
- Z represents a carbonyl group, a thiocarbonyl group, a methylene group, an ethylene group, a trimethylene group or a tetramethylene group, n is an integer of 1 to 100, m is an integer of 1 to 100, and n + m is an integer of 2 to 200 .
- the organic group containing the carbon atoms of R 1 to R 7 in the general formula (I) may further have a substituent, and examples of the substituent include a carboxyl group, an aldehyde group, a hydroxyl group Group, amino group and the like.
- R 1 to R 7 are preferably each independently a hydrogen atom, a methyl group, an ethyl group, or a phenyl group.
- the phenyl group may further have a substituent. This substituent is the same as the above-described substituent.
- the content of (A) modified polyphenylene ether is 29.9 to 90% by mass, where the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, and (C) organic peroxide is 100% by mass. It is preferable that By setting it as this content range, the dielectric constant and dielectric loss tangent of the hardened
- the content of (A) the modified polyphenylene ether is more preferably 40 to 75% by mass.
- the (B) cyanurate compound used in this embodiment comprises one selected from triallyl isocyanurate and triallyl cyanurate, and (A) acts as a crosslinking agent that crosslinks with the modified polyphenylene ether. It is.
- triallyl isocyanurate and triallyl cyanurate may be used alone or in combination. By using at least one compound selected from triallyl isocyanurate and triallyl cyanurate, a cured product having excellent dielectric properties and heat resistance can be obtained. Of these, triallyl isocyanurate is preferably used.
- a commercially available product can be used as the (B) cyanurate compound.
- TAICROS manufactured by Evonik Degussa, trade name; diallyl isocyanurate content: 100 to 400 ppm
- diallyl isocyanurate as an impurity contained in triallyl isocyanurate is preferably 500 ppm or less. The same applies to triallyl cyanurate.
- the content of (B) cyanurate compound is 9.9 to 70% by mass, where the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, and (C) organic peroxide is 100% by mass. Preferably there is. By setting it as this content range, a highly heat-resistant cured product can be obtained.
- the content of the (B) cyanurate compound is more preferably 20 to 50% by mass.
- Organic peroxide used in the present embodiment is a compound that acts as a radical initiator. This (C) organic peroxide is obtained by polymerizing (A) modified polyphenylene ether and (B) cyanurate compound by radical reaction to obtain these polymers (crosslinked products). It is a compound that is generated and advances the polymerization reaction.
- the (C) organic peroxide is not particularly limited as long as it is an organic peroxide that functions as a known radical initiator.
- organic peroxides include di-t-butyl peroxide, 2,5-dimethyl-2,5-di (t-butyl peroxide) hexane, 2,5-dimethyl-2,5- Examples thereof include di (t-butyl peroxide) hexyne-3, t-butyl cumyl peroxide, ⁇ , ⁇ '-di- (t-butylperoxy) diisopropylbenzene, t-butyl peroxybenzoate and the like.
- the organic peroxide preferably has a structure having no benzene ring. By not having a benzene ring, the dielectric loss tangent can be reduced more efficiently.
- the content of (C) the organic peroxide is 0.1 to 7 masses when the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, and (C) organic peroxide is 100 mass%. % Is preferred. By setting it as this content range, a highly heat-resistant cured product can be obtained.
- the content of (C) the organic peroxide is more preferably 0.5 to 5% by mass.
- the resin composition of the present embodiment preferably contains the components (A) to (C) described above, but further includes (D) a butadiene / styrene copolymer described below. preferable.
- the (D) butadiene / styrene copolymer used in this embodiment is a copolymer obtained by polymerizing butadiene and styrene, and reacts with (A) a modified polyphenylene ether and (B) a cyanurate compound. It is a component that forms (crosslinked product). Specifically, (D) the double bond present in the butadiene / styrene copolymer and (A) the modified polyphenylene ether and (B) the double bond present in the cyanurate compound react to polymerize. .
- This (D) butadiene / styrene copolymer is preferably one obtained by polymerizing butadiene and styrene at a mass ratio of 50/50 to 90/10 (butadiene / styrene).
- the mass ratio is more preferably 50/50 to 80/20, and even more preferably 50/50 to 70/30, from the viewpoint of dielectric loss tangent and the like.
- the weight average molecular weight and number average molecular weight of the (D) butadiene / styrene copolymer are not particularly limited, and an oligomer having a relatively low degree of polymerization (small molecular weight) can also be used.
- an oligomer having a relatively low degree of polymerization small molecular weight
- those having a weight average molecular weight of about 1,000 to 100,000 can be used.
- the content of (D) butadiene / styrene copolymer is 100 with the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, (C) organic peroxide, and (D) butadiene / styrene copolymer being 100.
- the content is mass%, 0.5 to 20 mass% is preferable. By setting it as this content range, while reducing the dielectric constant and dielectric loss tangent of an electronic component, adhesiveness with copper foil can be improved.
- the content of (D) butadiene / styrene copolymer is more preferably 3 to 15% by mass.
- the resin composition used in the present embodiment may further contain a solvent as necessary and within the limits not departing from the gist of the present invention.
- the solvent is used as a solvent for dissolving or dispersing the components (A) to (D), and examples thereof include toluene.
- This solvent is 70 to 140 parts by mass when the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, (C) organic peroxide, and (D) butadiene / styrene copolymer is 100 parts by mass. Part, preferably 80 to 130 parts by weight.
- the resin composition used in the present embodiment can further contain a filler, a flame retardant, a stress relaxation agent, and the like as necessary and within the limits not departing from the gist of the present invention.
- the filler examples include silica such as pulverized silica and fused silica, carbon black, titanium oxide, barium titanate, glass beads, glass hollow spheres, etc., and these may be used alone. Two or more kinds may be mixed and used.
- the filler a commercially available product can be used.
- silica methacrylsilane-treated fused silica: SFP-130 MHM (trade name, manufactured by Denki Kagaku Kogyo Co., Ltd.), FUSELEX E-2, Adma Fine SO-C5 , PLV-3 (both manufactured by Tatsumori Co., Ltd., trade name) and the like.
- the average particle size of the filler is preferably 10 ⁇ m or less. In the case of 10 micrometers or less, adhesiveness with copper foil can be improved more.
- the content is 100 parts by mass of the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, (C) organic peroxide, and (D) butadiene / styrene copolymer. Is preferably 5 to 40 parts by mass.
- the melt fluidity of the resin composition is improved, the adhesiveness with the copper foil is increased, and the connection reliability of the through-hole conductor is also increased.
- 10 mass parts or more are more preferable, 15 mass parts or more are further more preferable, and 20 mass parts or more are especially preferable.
- Silica is more preferably 35 parts by mass or less.
- Flame retardants include melamine phosphate, melam polyphosphate, melem polyphosphate, melamine pyrophosphate, ammonium polyphosphate, red phosphorus, aromatic phosphate ester, phosphonate ester, phosphinate ester, phosphine oxide, phosphazene, melamine cyanolate Etc. These flame retardants may be used alone or in combination of two or more. Among these, melamine pyrophosphate, melamine polyphosphate, melam polyphosphate, and ammonium polyphosphate are preferable from the viewpoints of dielectric properties, flame resistance, heat resistance, adhesion, moisture resistance, chemical resistance, reliability, and the like.
- the content ratio is 100 parts by mass of the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, (C) organic peroxide, and (D) butadiene / styrene copolymer. Is preferably 15 to 45 parts by mass. By setting it as this content range, flame resistance and heat resistance can be further improved without substantially affecting the dielectric properties, adhesion, and moisture resistance of the cured product.
- Examples of the stress relaxation agent include silicone resin particles that do not have a core-shell structure.
- Examples of such silicone resin particles include X-52-875, X-52-854 (above, trade name, manufactured by Shin-Etsu Chemical Co., Ltd.), MSP-1500 (trade name, manufactured by Nikko Jamaica Corporation), MSP-3000 (trade name, manufactured by Nikko Guatemala Co., Ltd.) and the like. These stress relaxation agents may be used individually by 1 type, and may use 2 or more types together.
- the average particle diameter of the stress relaxation agent is preferably 10 ⁇ m or less. When it is 10 ⁇ m or less, the adhesion with the copper foil can be further improved.
- the average particle size in the present specification is a 50% integrated value (50% particle size) obtained from a particle size distribution curve obtained by measuring a volume-based particle size distribution using a laser diffraction / scattering method.
- the content ratio is 100 masses of the total amount of (A) modified polyphenylene ether, (B) cyanurate compound, (C) organic peroxide, and (D) butadiene / styrene copolymer. Part to 10 parts by mass.
- the resin composition used in the present embodiment can further contain additives and the like.
- the additive include an antioxidant, a heat stabilizer, an antistatic agent, a plasticizer, a pigment, a dye, and a colorant.
- Specific examples of the additive include R-42 (manufactured by Sakai Chemical Co., Ltd.), IRGANOX 1010 (manufactured by BASF), and the like.
- a filler and an additive may be used individually by 1 type, and may use 2 or more types together.
- the resin composition used in the present embodiment can further contain at least one other thermoplastic resin and thermosetting resin.
- thermoplastic resin include GPPS (general purpose polystyrene) and HIPS (impact resistant polystyrene).
- thermosetting resin an epoxy resin etc. are mentioned, for example. These resins may be used alone or in combination of two or more.
- the resin composition used in the present embodiment is obtained, for example, by mixing the components (A) to (C) that are essential components and other components that are added as necessary.
- the mixing method include a solution mixing method in which all components are uniformly dissolved or dispersed in a solvent, a melt blending method in which heating is performed with an extruder or the like, and the like.
- the above resin composition is applied to the adhesive surface (roughened surface) of the copper foil 2 and then the resin composition is dried to form the adhesive layer 3.
- the resin composition can be used by dissolving or dispersing in the above-described solvent as necessary.
- a coating method used here a known coating method can be used without particular limitation as long as it can apply the solution or dispersion of the resin composition to the adhesive surface of the copper foil.
- Examples of the coating method include a coating method using a spray, a brush, a bar coater and the like.
- a copper clad laminate 10 As shown in FIG. 2, a copper clad laminate 10 according to an embodiment of the present invention is configured by providing copper foils 2 on both surfaces of a prepreg 11.
- the copper foil 2 used here can be the same as the copper foil described in the above copper foil with adhesive. That is, it is a copper foil having a roughened surface and having a silane coupling agent layer in which the roughened surface is treated with a silane coupling agent.
- the copper foil 2 is laminated with the roughened surface facing the prepreg 11 to form a copper clad laminate.
- the prepreg 11 of this embodiment is obtained by impregnating a fiber base material with a resin composition mainly composed of a modified polyphenylene ether in which a hydroxyl group present at the end of the main chain is modified with an ethylenically unsaturated compound. It is.
- the same resin composition as that described for the copper foil with adhesive can be used.
- a well-known base material for example, glass cloth
- glass cloth examples thereof include those made of materials such as D glass, S glass, and quartz glass.
- the proportion of the base material in the prepreg is preferably 20 to 80% by mass of the entire prepreg. If the base material has such a ratio, the dimensional stability and strength after curing of the prepreg are more easily exhibited, and further excellent dielectric properties can be obtained.
- a coupling agent such as a silane coupling agent or a titanate coupling agent can be used as necessary.
- This prepreg can be produced by impregnating and applying a resin composition to a substrate according to a conventional method, followed by drying and semi-curing the resin.
- the method for producing the prepreg according to the present embodiment is not particularly limited.
- the resin composition according to the present embodiment may be a solvent as necessary (for example, an aromatic solvent, a ketone solvent such as acetone). And a method in which it is uniformly dissolved or dispersed in the substrate, applied or impregnated on a substrate, and then dried. Further, the resin composition may be melted and impregnated in the base material.
- the coating method and impregnation method are not particularly limited.
- a resin composition solution or dispersion is applied using a spray, a brush, a bar coater, or the like.
- a resin composition solution or dispersion is coated with a substrate. Examples of the method include dipping.
- the application or impregnation can be repeated a plurality of times as necessary. Alternatively, application or impregnation can be repeated using a plurality of solutions or dispersions having different resin concentrations.
- the copper clad laminate 10 of the present embodiment can be manufactured by superposing the silane coupling-treated copper foil 2 on the prepreg 11 and heating and pressing.
- This copper-clad laminate can be obtained, for example, by stacking a plurality of prepregs and copper foils in accordance with a desired thickness, followed by heating and pressing.
- a thicker laminate can be obtained by combining the obtained copper-clad laminate and another prepreg.
- the wiring board of the present embodiment has an insulating layer and a conductor layer disposed on both surfaces of the insulating layer or between the insulating layers, and the insulating layer is formed to contain the resin composition. That is, the copper foil of the copper clad laminate of the present embodiment is processed into a wiring pattern, and the copper clad laminate having the wiring pattern can be exemplified.
- Such a wiring board can be manufactured as follows, for example. First, an inner layer plate is manufactured by forming a circuit and a through-hole conductor on the copper-clad laminate. Thereafter, a conductive metal foil such as prepreg and copper foil (including copper foil with adhesive) is laminated on the surface of the inner layer plate, and heat-pressure molding is performed to process it into a multilayer board, thereby obtaining a wiring board. .
- the multilayer board can be further laminated with another copper foil with an adhesive and combined to obtain a higher multilayer board.
- FIG. 3 shows a schematic cross-sectional view of a multilayer board 20 in which the copper foil with adhesive 1 is laminated on both surfaces of an inner layer board 21 on which a circuit is formed.
- molding and curing are simultaneously performed using a heat press machine.
- the hot pressing is preferably performed at 80 to 300 ° C. under a pressure of 0.1 to 50 MPa for 1 minute to 10 hours, and at 150 to 250 ° C. under a pressure of 0.5 to 6 MPa for 60 minutes to 5 hours. More preferably.
- molding and curing may be performed separately. For example, after a laminated sheet in a semi-cured state is formed, it may be completely cured by being processed by a heat treatment machine.
- a wiring board in which a conductor layer is disposed between a plurality of insulating layers can be obtained. Furthermore, a circuit and a through hole may be formed in a conductive metal foil provided on the surface of the wiring board to form a multilayer printed wiring board.
- Component (D)] (D1): Butadiene / styrene copolymer (manufactured by CRAY VALLEY, trade name: RICON 184; mass ratio (butadiene / styrene) 72/28)
- Copper foil 1 FV0-WS (Furukawa Electric Co., Ltd., trade name; thickness 18 ⁇ m, surface roughness Rz (roughened surface side) 1.1 ⁇ m)
- Copper foil 2 FZ0-WS (Furukawa Electric Co., Ltd., trade name; thickness 18 ⁇ m, surface roughness Rz (roughened surface side) 0.8 ⁇ m)
- [Silane coupling agent] (Methacrylic): 3-methacryloxypropylmethyldimethoxysilane (acrylic): 3-acryloxypropyltrimethoxysilane (isocyanurate): tris- (trimethoxysilylpropyl) isocyanurate (epoxy): 2- (3,4- Epoxycyclohexyl) ethyltrimethoxysilane (amine): N-phenyl-3-aminopropyltrimethoxysilane (vinyl): vinyltrimethoxysilane
- Examples 1 to 10, Comparative Examples 1 to 6 As shown in Tables 1 and 2, a predetermined silane coupling agent was dissolved in water to obtain an aqueous solution at 2.0 g / L. This aqueous solution was applied to the roughened surface of a chromate-treated electrolytic copper foil (copper foil 1 or copper foil 2) so as to be uniform by a dipping method. Then, it was made to dry at 100 degreeC for 4 minute (s), and the silane coupling process copper foil was obtained.
- the raw materials were mixed so as to have the ratios shown in Tables 1 and 2, and these were stirred at room temperature (25 ° C.) to obtain a resin composition.
- the obtained resin composition was dissolved in toluene to obtain a resin varnish.
- This resin varnish was applied to the roughened surface of the silane coupling-treated copper foil.
- the copper foil coated with the varnish was dried at 110 ° C. for 4 minutes to obtain a copper foil with an adhesive having a resin layer (adhesive layer) having a thickness of 3 ⁇ m.
- the copper foil with adhesive was superposed on the top and bottom of a prepreg (manufactured by Kyocera, trade name: TLP-596MN, thickness: 100 ⁇ m). Thereafter, heating was performed at 195 ° C. for 100 minutes under a pressure of 3 MPa to cure the adhesive-added copper foil and the resin in the prepreg, thereby obtaining a copper-clad laminate having a thickness of 0.14 mm.
- Examples 11 to 14, Comparative Examples 7 to 9 As shown in Table 3, a predetermined silane coupling agent was dissolved in water to obtain an aqueous solution at 2.0 g / L. This aqueous solution was applied to the roughened surface of a chromate-treated electrolytic copper foil (copper foil 1) so as to be uniform by a dipping method. Then, it was made to dry at 100 degreeC for 4 minute (s), and the silane coupling process copper foil was obtained.
- each raw material was mixed so as to have the ratio shown in Table 3, and these were stirred at room temperature (25 ° C.) to obtain a resin composition.
- the obtained resin composition was dissolved in toluene to obtain a resin varnish.
- a glass woven fabric having a thickness of 100 ⁇ m (trade name: # 2116, manufactured by Asahi Kasei Co., Ltd.) was immersed in the resin varnish, and the glass woven fabric was impregnated with the resin varnish. Thereafter, the glass woven fabric impregnated with the resin varnish was dried at 130 ° C. for 7 minutes to obtain a prepreg having a thickness of 100 ⁇ m.
- the ratio of the base material in a prepreg is 60 mass%.
- a resin composition containing a specific polyphenylene ether, a cyanurate compound, an organic peroxide and a butadiene / styrene copolymer is used in any of methacrylic silane, acrylic silane, and isocyanurate silane.
- the copper-clad laminate using the copper foil with adhesive provided on the roughened surface side surface of the surface of the copper foil having the roughened surface can be improved in peel strength and heat resistance. Furthermore, when this copper-clad laminate is used as a circuit board, its reflow resistance, insulation reliability, and connection reliability can be improved.
- SYMBOLS 1 Copper foil with an adhesive agent, 2 ... Copper foil, 3 ... Adhesive layer, 10 ... Copper clad laminated board, 11 ... Pre-preg, 20 ... Multilayer board, 21 ... Inner layer board.
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Abstract
Description
[接着剤付き銅箔]
図1に示したように、本実施形態の接着剤付き銅箔1は、銅箔2と、該銅箔2の片面に設けられた接着剤層3と、を有してなる。この接着剤付き銅箔1は、樹脂基材(プリプレグ等)と接着させることで、樹脂基材表面に銅箔を有する積層部材(銅張積層板等)が得られる。この積層部材は、加工して内層回路板とし、さらに接着剤付き銅箔1を重ねて多層化し、多層板(配線基板等)とすることもできる。以下、この接着剤付き銅箔における各構成要素について説明する。
本実施形態で用いる銅箔は、電子部品の回路板等の材料として用いられる銅箔であれば特に限定されるものではなく、例えば、この銅箔としては電解銅箔および圧延銅箔のいずれを用いてもよく、その種類などの限定はない。さらに、この銅箔の表面は、片面が粗化処理されている。ここで、本明細書において「粗化処理」とは、銅箔の表面に凹凸を作ることをいい、例えば、電解銅箔では、光沢面と反対側の表面をあえて粗くなるようにして銅箔を得て、その粗い表面にさらに小さな凹凸を形成したり、表面が平滑な圧延銅箔の片面にブラスト処理等の公知の方法により凹凸面を形成するようにしたり、して実施できる。
ここで用いる接着剤層は、銅箔の片面に設けられるものであって、主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルを主成分とする樹脂組成物からなる。
本実施形態の接着剤付き銅箔1は、上記銅箔2の接着面(粗化面)に、上記した樹脂組成物を塗布した後、該樹脂組成物を乾燥させて接着剤層3を形成することにより製造することができる。この際、樹脂組成物は、必要に応じて上記した溶媒に溶解または分散させて用いることができる。
図2に示したように、本発明の一実施形態である銅張積層板10は、プリプレグ11の両面に銅箔2を設けて構成される。
ここで用いられる銅箔2は、上記接着剤付き銅箔で説明した銅箔と同一のものを使用することができる。すなわち、粗化面を有し、該粗化面がシランカップリング剤で処理された、シランカップリング剤層を有する銅箔である。この銅箔2は、粗化面をプリプレグ11側にして積層され、銅張積層板が構成される。
本実施形態のプリプレグ11は、繊維基材に、主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルを主成分とする樹脂組成物を含浸して得られるものである。
このプリプレグは、常法に従って樹脂組成物を基材に含浸塗付した後、乾燥させて樹脂を半硬化することによって製造できる。
本実施形態の銅張積層板10は、上記プリプレグ11に上記シランカップリング処理した銅箔2を重ね合わせ、加熱加圧成形して製造することができる。この銅張積層板は、例えば、所望の厚さに応じてプリプレグと銅箔を複数枚重ね合わせ、加熱加圧成形することによって得ることができる。さらに、得られた銅張積層板と別のプリプレグとを組み合わせて、より厚い積層板とすることもできる。
次に、本実施形態の配線基板について説明する。
本実施形態の配線基板は、絶縁層と、絶縁層の両面や絶縁層間に配置された導体層とを有し、絶縁層が上記樹脂組成物を含んで形成されている。すなわち、上記本実施形態の銅張積層板の銅箔が配線パターンに加工され、その配線パターンを有する銅張積層板を有して構成されているものが例示できる。
まず、上記銅張積層板に回路およびスルーホール導体を形成して内層板を製造する。その後、この内層板の表面にプリプレグおよび銅箔(接着剤付き銅箔も含む)等の導電性金属箔を積層して加熱加圧成形が行われて多層板に加工され、配線基板が得られる。この多層板には、さらに、別の接着剤付き銅箔を積層して組み合わせて、より多層化した高多層板を得ることもできる。
図3には本実施形態の多層板の一例として、回路形成した内層板21の両面に、接着剤付き銅箔1を積層した多層板20の概略構成断面図を示した。
[成分(A)]
(A1):メタクリル変性ポリフェニレンエーテル(サビックス社製、商品名:SA9000;数平均分子量Mn 2,000~3,000、一般式(I)においてR3、R4、R5がメチル基、R1、R2、R6、R7が水素原子、Yがジメチルメチレン基、Zがカルボニル基で表されるもの)
(A2):メタクリル変性ポリフェニレンエーテル(サビックス社製、商品名:SA6000;数平均分子量Mn 3,000~5,000、一般式(I)においてR3、R4、R5がメチル基、R1、R2、R6、R7が水素原子、Yがジメチルメチレン基、Zがカルボニル基で表されるもの)
(A3):ポリフェニレンエーテル(サビックス社製、商品名:SA90、数平均分子量Mn 2,000~3,000)
(B1):トリアリルイソシアヌレート:TAICROS(エボニック株式会社製、商品名;ジアリルイソシアヌレート量 300ppm)
[成分(C)]
(C1):α,α’-ジ-(t-ブチルパーオキシ)ジオソプロピルベンゼン:パーブチルP
[成分(D)]
(D1):ブタジエン・スチレン共重合体(CRAY VALLEY製、商品名:RICON184;質量比(ブタジエン/スチレン)=72/28)
[その他]
(シリカ):SFP-130MC(電気化学工業株式会社製、商品名;平均粒径 0.5μm)
[銅箔]
(銅箔1):FV0-WS(古河電気工業株式会社製、商品名;厚さ 18μm、表面粗さRz(粗化面側) 1.1μm)
(銅箔2):FZ0-WS(古河電気工業株式会社製、商品名;厚さ 18μm、表面粗さRz(粗化面側) 0.8μm)
(メタクリル):3-メタクリロキシプロピルメチルジメトキシシラン
(アクリル):3-アクリロキシプロピルトリメトキシシラン
(イソシアヌレート):トリス-(トリメトキシシリルプロピル)イソシアヌレート
(エポキシ):2-(3,4-エポキシシクロヘキシル)エチルトリメトキシシラン
(アミン):N-フェニル-3-アミノプロピルトリメトキシシラン
(ビニル):ビニルトリメトキシシラン
表1~2に示したように、所定のシランカップリング剤を水に溶解させて2.0g/Lに水溶液を得た。この水溶液を、クロメート処理された厚さ18μmの電解銅箔(銅箔1または銅箔2)の粗化面に、ディッピング方式で均一になるように塗工した。その後、100℃で4分間乾燥させ、シランカップリング処理銅箔を得た。
表3に示したように、所定のシランカップリング剤を水に溶解させて2.0g/Lに水溶液を得た。この水溶液を、クロメート処理された厚さ18μmの電解銅箔(銅箔1)の粗化面に、ディッピング方式で均一になるように塗工した。その後、100℃で4分間乾燥させ、シランカップリング処理銅箔を得た。
次に、実施例1~14および比較例1~9で得られた銅張積層板及び該銅張積層板を用いた配線板について以下の評価を行った。結果を表1~3に併せて示した。
(ピール強度)
銅張積層板について、銅箔の90度剥離試験を行うことによりピール強度(kN/m)を測定した。
(耐熱性)
288℃、300℃、または320℃のハンダ中に銅張積層板を5分間浸漬し、銅箔の膨れを観察した。3枚の銅張積層板について観察を行い、以下の基準で評価した。
「優良」:320℃で3枚とも膨れが発生しなかった。
「良」:300℃で3枚とも膨れが発生しなかった。
「不良」:300℃で1枚でも膨れが生じた。
得られた銅張積層板にスルーホールを形成した後、回路(配線層)およびスルーホール導体を形成して内層板を得た。この内層板とプリプレグ(京セラ製:TLP-596MN 100μm)を重ね合わせて、190℃、4MPaで加熱加圧して3.0mm配線板を得た。耐リフロー性を、前処理:85℃/85%/168h、リフロー条件:Pbフリーリフロー(260℃)で試験し、デラミレーションの発生を走査型電子顕微鏡で確認した。
「優良」:リフロー20回後にデラミネーションの発生がない。
「良」:リフロー10回後にデラミネーションの発生がない。
「不良」:一部のデラミネーションの発生があった。
得られた銅張積層板にスルーホールを形成した後、回路(配線層)およびスルーホール導体を形成して内層板を得た。この内層板とプリプレグ(京セラ製:TLP-596MN 100μm)を重ね合わせて、190℃、4MPaで加熱加圧して3.0mm配線板を得た。スルーホール間の絶縁性を、前処理:Pbフリーリフロー10サイクル、条件:65℃/85%/50VDCで試験し、絶縁抵抗を確認し、以下の基準で評価した。
「優良」:2000h後に絶縁抵抗が108Ω以上を維持できていた。
「良」:1000h後に絶縁抵抗が108Ω以上を維持できていた。
「不良」:一部の絶縁抵抗が108Ω以下であった。
得られた銅張積層板にスルーホールを形成した後、回路(配線層)およびスルーホール導体を形成して内層板を得た。この内層板とプリプレグ(京セラ製:TLP-596MN 100μm)を重ね合わせて、190℃、4MPaで加熱加圧して3.0mm配線板を得た。
スルーホール導体と配線板との接続性を、前処理:Pbフリーリフロー10サイクル、条件:-65℃×30分と125℃×30分での温度サイクルの繰り返しで試験し、配線基板の断面を走査型電子顕微鏡で確認し、以下の基準で評価し、併せて表に示した。
「優良」:スルーホール導体と配線板とが2000サイクル後に接続されている。
「良」:スルーホール導体と配線板とが1000サイクル後に接続されている。
「不良」:一部のスルーホール導体と配線層が接続されていない。
Claims (9)
- 銅箔と、該銅箔の片面に設けられた接着剤層と、を有する接着剤付き銅箔であって、
前記銅箔は、片面に、メタクリルシラン、アクリルシランまたはイソシアヌレートシランで表面処理されてなる粗化面を有し、
前記接着剤層は、主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルを主成分とする樹脂組成物からなり、かつ、前記粗化面上に形成されている、ことを特徴とする接着剤付き銅箔。 - 前記樹脂組成物が、(A)主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルと、(B)トリアリルイソシアヌレートおよびトリアリルシアヌレートの少なくとも1種を含むシアヌレート化合物と、(C)有機過酸化物と、を含有し、
前記(A)変性ポリフェニレンエーテルが、下記一般式(I)で表されるポリフェニレンエーテル
前記(A)変性ポリフェニレンエーテル、前記(B)シアヌレート化合物および前記(C)有機過酸化物の合計量を100質量%としたとき、前記(C)有機過酸化物の含有割合が、0.5~20質量%である、ことを特徴とする請求項1に記載の接着剤付き銅箔。 - 前記樹脂組成物が、さらに(D)ブタジエン・スチレン共重合体を含むことを特徴とする請求項2に記載の接着剤付き銅箔。
- 前記銅箔の厚さは5~70μmであり、
前記粗化面の表面粗さRzが、前記厚さの2~20%であることを特徴とする請求項1~3のいずれか1項に記載の接着剤付き銅箔。 - 前記表面粗さRzが、0.1~2.0μmである請求項4に記載の接着剤付き銅箔。
- プリプレグと銅箔とを積層してなる銅張積層板であって、
前記銅箔は、片面に、メタクリルシラン、アクリルシランまたはイソシアヌレートシランで表面処理されてなる粗化面を有し、
前記プリプレグは、主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルを主成分とする樹脂組成物をガラスクロスに含浸してなり、かつ、前記粗化面側に積層されてなる、ことを特徴とする銅張積層板。 - 前記樹脂組成物が、(A)主鎖の末端に存在するヒドロキシル基がエチレン性不飽和化合物で変性された変性ポリフェニレンエーテルと、(B)トリアリルイソシアヌレートおよびトリアリルシアヌレートの少なくとも1種を含むシアヌレート化合物と、(C)有機過酸化物と、を含有し、
前記(A)変性ポリフェニレンエーテルが、下記一般式(I)で表されるポリフェニレンエーテル
前記(A)変性ポリフェニレンエーテル、前記(B)シアヌレート化合物および前記(C)有機過酸化物の合計量を100質量%としたとき、前記(C)有機過酸化物の含有割合が0.5~20質量%であることを特徴とする請求項6に記載の銅張積層板。 - 前記銅箔が、請求項1~5のいずれか1項に記載の接着剤付き銅箔であることを特徴とする請求項6または7に記載の銅張積層板。
- 銅箔が配線パターンに加工された、請求項6~8のいずれか1項に記載の銅張積層板を有することを特徴とする配線基板。
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JP2019508596A JP7421337B2 (ja) | 2017-03-28 | 2018-01-15 | 接着剤付き銅箔、銅張積層板および配線基板 |
CN201880019942.0A CN110463363B (zh) | 2017-03-28 | 2018-01-15 | 带有粘接剂的铜箔、覆铜层叠板和布线基板 |
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JP2017082200A (ja) * | 2015-09-30 | 2017-05-18 | 京セラ株式会社 | 樹脂組成物、プリプレグ、金属張積層板、および配線基板 |
WO2021085008A1 (ja) * | 2019-10-30 | 2021-05-06 | リンテック株式会社 | デバイス用接着シート |
WO2021181732A1 (ja) * | 2020-03-13 | 2021-09-16 | リンテック株式会社 | デバイス用硬化性接着シート |
CN113475169A (zh) * | 2019-02-27 | 2021-10-01 | 罗杰斯公司 | 包含疏水化熔融二氧化硅的低损耗介电复合材料 |
CN115135736A (zh) * | 2020-03-13 | 2022-09-30 | 琳得科株式会社 | 器件用固化性粘接片 |
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WO2019167391A1 (ja) * | 2018-02-27 | 2019-09-06 | 京セラ株式会社 | プリプレグおよび回路基板用積層板 |
JP7202920B2 (ja) * | 2019-02-20 | 2023-01-12 | 旭化成株式会社 | ポリフェニレンエーテル含有樹脂組成物 |
JP7308082B2 (ja) * | 2019-06-13 | 2023-07-13 | 旭化成株式会社 | ポリフェニレンエーテル含有樹脂組成物 |
CN111808542B (zh) * | 2020-06-29 | 2022-02-11 | 浙江华正新材料股份有限公司 | 功能导电层、电路基板、印制电路板 |
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CN110463363A (zh) | 2019-11-15 |
KR102262075B1 (ko) | 2021-06-08 |
JPWO2018179682A1 (ja) | 2020-02-06 |
US10660213B2 (en) | 2020-05-19 |
US20200029442A1 (en) | 2020-01-23 |
TWI721236B (zh) | 2021-03-11 |
JP7421337B2 (ja) | 2024-01-24 |
TW201837140A (zh) | 2018-10-16 |
CN110463363B (zh) | 2022-11-01 |
KR20190121347A (ko) | 2019-10-25 |
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