WO2019240083A1 - 樹脂材料及び多層プリント配線板 - Google Patents
樹脂材料及び多層プリント配線板 Download PDFInfo
- Publication number
- WO2019240083A1 WO2019240083A1 PCT/JP2019/022940 JP2019022940W WO2019240083A1 WO 2019240083 A1 WO2019240083 A1 WO 2019240083A1 JP 2019022940 W JP2019022940 W JP 2019022940W WO 2019240083 A1 WO2019240083 A1 WO 2019240083A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin material
- resin
- inorganic filler
- compound
- cured product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
-
- 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
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
- C08K5/5477—Silicon-containing compounds containing nitrogen containing nitrogen in a heterocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
Definitions
- the present invention relates to a resin material containing an epoxy compound, an inorganic filler, and a curing agent. Moreover, this invention relates to the multilayer printed wiring board using the said resin material.
- a resin material is used to form an insulating layer for insulating internal layers or to form an insulating layer located in a surface layer portion.
- a wiring generally made of metal is laminated on the surface of the insulating layer.
- a resin film may be used as said resin material.
- the resin material is used as an insulating material for a multilayer printed wiring board including a buildup film (for example, Patent Document 1).
- An insulating layer formed on a multilayer printed wiring board or the like is required to have a low dielectric loss tangent.
- an inorganic filler may be blended with the resin material.
- the interface between the inorganic filler and the resin is easy to absorb water, and when the amount of the inorganic filler is large, peeling (delamination) between the insulating layer formed of the resin material and the metal layer such as a circuit occurs. There are things to do.
- the insulating layer and the metal layer are exposed to a high temperature (for example, 260 ° C. or more), so that delamination is likely to occur. Furthermore, delamination is likely to occur when the insulating layer absorbs moisture or gas is generated when exposed to high temperatures.
- a high temperature for example, 260 ° C. or more
- an epoxy compound, an inorganic filler, a curing agent, and a silane coupling agent having a triazine skeleton have a specific surface area of 1 m 2 / g or more and 50 m 2. / G or less is provided.
- the silane coupling agent is a silane coupling agent having a diaminotriazine skeleton.
- the curing agent includes an active ester compound, a cyanate compound, a benzoxazine compound, a carbodiimide compound, or a maleimide compound.
- the content of the silane coupling agent is 0.1 wt% or more and 3 wt% in 100 wt% of the resin material excluding the inorganic filler and the solvent. It is as follows.
- the content of the inorganic filler is 30% by weight or more in 100% by weight of the component excluding the solvent in the resin material.
- the resin material is a thermosetting material.
- the resin material is a resin film.
- the resin material according to the present invention is suitably used for forming an insulating layer in a multilayer printed wiring board.
- a circuit board a plurality of insulating layers disposed on a surface of the circuit board, and a plurality of metal layers disposed between the insulating layers, the plurality of insulating layers are provided.
- a multilayer printed wiring board is provided in which at least one of the layers is a cured product of the resin material described above.
- the resin material according to the present invention includes an epoxy compound, an inorganic filler, a curing agent, and a silane coupling agent having a triazine skeleton, and the specific surface area of the inorganic filler is 1 m 2 / g or more and 50 m 2 /. Since it is g or less, the dielectric loss tangent can be lowered and the occurrence of delamination can be suppressed.
- FIG. 1 is a cross-sectional view schematically showing a multilayer printed wiring board using a resin material according to an embodiment of the present invention.
- the resin material according to the present invention includes an epoxy compound, an inorganic filler, a curing agent, and a silane coupling agent having a triazine skeleton, and the specific surface area of the inorganic filler is 1 m 2 / g or more and 50 m 2 /. g or less.
- the dielectric loss tangent can be lowered and the occurrence of delamination can be suppressed.
- the resin material according to the present invention may be a resin composition or a resin film.
- the resin composition has fluidity.
- the resin composition may be in the form of a paste.
- the paste form includes liquid.
- the resin material according to the present invention is preferably a resin film because it is excellent in handleability.
- the resin material according to the present invention is preferably a thermosetting material.
- the resin material according to the present invention is preferably curable by heating.
- the resin film is preferably a thermosetting resin film.
- the resin film is preferably curable by heating.
- the resin material includes an epoxy compound.
- a conventionally well-known epoxy compound can be used as said epoxy compound.
- the epoxy compound refers to an organic compound having at least one epoxy group. As for the said epoxy compound, only 1 type may be used and 2 or more types may be used together.
- epoxy compounds examples include bisphenol A type epoxy compounds, bisphenol F type epoxy compounds, bisphenol S type epoxy compounds, phenol novolac type epoxy compounds, biphenyl type epoxy compounds, biphenyl novolac type epoxy compounds, biphenol type epoxy compounds, and naphthalene type epoxy compounds.
- examples thereof include an epoxy compound and an epoxy compound having a triazine nucleus in the skeleton.
- the epoxy compound preferably includes an epoxy compound having an aromatic skeleton, and an epoxy compound having a naphthalene skeleton or a phenyl skeleton is used. More preferably.
- the epoxy compound may contain an epoxy compound that is liquid at 25 ° C. or may contain an epoxy compound that is solid at 25 ° C. From the viewpoint of further lowering the dielectric loss tangent, improving the coefficient of linear expansion (CTE) of the cured product, and further suppressing the occurrence of delamination, the epoxy compound is an epoxy compound that is liquid at 25 ° C. and 25 ° C. And a solid epoxy compound.
- the viscosity at 25 ° C. of the epoxy compound that is liquid at 25 ° C. is preferably 1000 mPa ⁇ s or less, and more preferably 500 mPa ⁇ s or less.
- VAR-100 manufactured by Rheological Instruments Co., Ltd.
- the molecular weight of the epoxy compound is more preferably 1000 or less.
- a resin material with high fluidity can be obtained when the insulating layer is formed even if the component in the resin material is 100% by weight excluding the solvent and the content of the inorganic filler is 50% by weight or more. For this reason, when an uncured resin material or a B-stage product is laminated on the circuit board, the inorganic filler can be uniformly present.
- the molecular weight of the epoxy compound means a molecular weight that can be calculated from the structural formula when the epoxy compound is not a polymer and when the structural formula of the epoxy compound can be specified. Moreover, when the said epoxy compound is a polymer, a weight average molecular weight is meant.
- the content of the epoxy compound is preferably 20% in 100% by weight of the component excluding the solvent in the resin material. % By weight or more, more preferably 30% by weight or more, preferably 80% by weight or less, more preferably 70% by weight or less.
- the resin material includes an inorganic filler.
- Use of the inorganic filler further lowers the dielectric loss tangent of the cured product.
- the use of the inorganic filler further reduces the dimensional change due to heat of the cured product.
- the use of the inorganic filler further increases the adhesive strength between the cured product and the metal layer.
- the said inorganic filler only 1 type may be used and 2 or more types may be used together.
- examples of the inorganic filler include silica, talc, clay, mica, hydrotalcite, alumina, magnesium oxide, aluminum hydroxide, aluminum nitride, and boron nitride.
- the inorganic filler is preferably silica or alumina, more preferably silica, and still more preferably fused silica.
- silica the thermal expansion coefficient of the cured product is further lowered, and the dielectric loss tangent of the cured product is further reduced.
- the use of silica effectively reduces the surface roughness of the cured product, effectively increases the adhesive strength between the cured product and the metal layer, and can further suppress the occurrence of delamination.
- the shape of silica is preferably spherical.
- the inorganic filler is spherical silica from the viewpoint of promoting the curing of the resin, effectively increasing the glass transition temperature of the cured product, and effectively reducing the thermal linear expansion coefficient of the cured product. It is preferable.
- the specific surface area of the inorganic filler is 1 m 2 / g or more and 50 m 2 / g or less.
- the specific surface area of the inorganic filler is less than 1 m 2 / g or more than 50 m 2 / g, delamination may occur.
- the specific surface area of the inorganic filler is preferably 2 m 2 / g or more, more preferably 3 m 2 / g or more, and preferably 40 m 2 / g or less.
- the specific surface area of the inorganic filler can be measured by the BET method using nitrogen gas.
- the specific surface area of the said inorganic filler is measured with the whole inorganic filler contained in the said resin material.
- the specific surface area of the inorganic filler may be measured using the inorganic filler used to obtain the resin material.
- the average particle diameter of the inorganic filler is preferably 100 nm or more, more preferably 200 nm or more, further preferably 500 nm or more, preferably 1.5 ⁇ m or less, more preferably 1.3 ⁇ m or less, and further preferably 1.0 ⁇ m or less. is there. Generation
- production of delamination can be suppressed further as the average particle diameter of the said inorganic filler is more than the said minimum and below the said upper limit.
- the median diameter (d50) value of 50% is adopted as the average particle diameter of the inorganic filler.
- the average particle size can be measured using a laser diffraction / scattering particle size distribution measuring apparatus.
- the average particle diameter of the said inorganic filler is measured with the whole inorganic filler contained in the said resin material. You may measure the average particle diameter of an inorganic filler using the inorganic filler used in order to obtain the said resin material.
- the inorganic filler is preferably spherical and more preferably spherical silica.
- the surface roughness of the surface of the cured product is effectively reduced, and the adhesive strength between the cured product and the metal layer is effectively increased. As a result, the occurrence of delamination can be further suppressed. it can.
- the aspect ratio of the inorganic filler is preferably 2 or less, more preferably 1.5 or less.
- the inorganic filler is preferably surface-treated, more preferably a surface-treated product with a coupling agent, and still more preferably a surface-treated product with a silane coupling agent.
- the surface treatment of the inorganic filler By the surface treatment of the inorganic filler, the surface roughness of the roughened cured product is further reduced, and the adhesive strength between the cured product and the metal layer is further increased. As a result, the occurrence of delamination can be further suppressed. Further, since the inorganic filler is surface-treated, it is possible to form finer wiring on the surface of the cured product, and to further improve the inter-wiring insulation reliability and interlayer insulation reliability to the cured product. Can be granted.
- Examples of the coupling agent include silane coupling agents, titanium coupling agents, and aluminum coupling agents.
- Examples of the silane coupling agent include methacryl silane, acrylic silane, amino silane, imidazole silane, vinyl silane, and epoxy silane.
- the content of the inorganic filler is preferably 30% by weight or more, more preferably 40% by weight or more, still more preferably 50% by weight or more, and particularly preferably 55% by weight. % Or more, most preferably 60% by weight or more.
- the content of the inorganic filler is preferably 85% by weight or less, more preferably 83% by weight or less, still more preferably 80% by weight or less, and particularly preferably 78% by weight. % Or less.
- the content of the inorganic filler is not less than the above lower limit, the dielectric loss tangent is effectively lowered, the thermal expansion coefficient of the cured product can be lowered, and smear removability can be improved.
- the handling property and flexibility of the resin film can be further improved.
- the surface roughness of the surface of the cured product can be further reduced, and finer wiring can be formed on the surface of the cured product. Can do.
- the resin material includes a curing agent.
- a conventionally known curing agent can be used.
- curing agent only 1 type may be used and 2 or more types may be used together.
- the curing agent examples include cyanate compound (cyanate curing agent), phenol compound (phenol curing agent), amine compound (amine curing agent), thiol compound (thiol curing agent), imidazole compound, phosphine compound, acid anhydride, dicyandiamide, Examples include an active ester compound, a benzoxazine compound (benzoxazine curing agent), a carbodiimide compound (carbodiimide curing agent), and a maleimide compound (maleimide curing agent).
- the curing agent preferably has a functional group capable of reacting with the epoxy group of the epoxy compound.
- the curing agent includes an active ester compound, a cyanate compound, a benzoxazine compound, a carbodiimide compound, or a maleimide compound. It is preferable. From the viewpoint of suppressing generation of blisters and further suppressing generation of delamination while lowering dielectric loss tangent, the curing agent is preferably an active ester compound.
- the cyanate compound may be a cyanate ester compound (cyanate ester curing agent).
- the cyanate ester compound include novolac-type cyanate ester resins, bisphenol-type cyanate ester resins, and prepolymers in which these are partially trimerized.
- novolak-type cyanate ester resin a phenol novolak-type cyanate ester resin, an alkylphenol-type cyanate ester resin, etc. are mentioned.
- the bisphenol type cyanate ester resin include bisphenol A type cyanate ester resin, bisphenol E type cyanate ester resin, and tetramethylbisphenol F type cyanate ester resin.
- cyanate ester compounds Commercially available products of the above-mentioned cyanate ester compounds include phenol novolac type cyanate ester resins (Lonza Japan “PT-30” and “PT-60”), and prepolymers (Lonza Japan) in which bisphenol type cyanate ester resins are trimmed. "BA-230S”, “BA-3000S”, “BTP-1000S” and “BTP-6020S”) manufactured by the company.
- phenol compound examples include novolak type phenol, biphenol type phenol, naphthalene type phenol, dicyclopentadiene type phenol, aralkyl type phenol, and dicyclopentadiene type phenol.
- phenol compounds Commercially available products of the above-mentioned phenol compounds include novolak-type phenols (“TD-2091” manufactured by DIC), biphenyl novolac-type phenols (“MEH-7851” manufactured by Meiwa Kasei Co., Ltd.), and aralkyl-type phenol compounds (“MEH manufactured by Meiwa Kasei Co., Ltd.). -7800 "), and phenols having an aminotriazine skeleton (“ LA1356 “and” LA3018-50P "manufactured by DIC).
- the active ester compound refers to a compound containing at least one ester bond in the structure and having an aromatic ring bonded to both sides of the ester bond.
- the active ester compound is obtained, for example, by a condensation reaction between a carboxylic acid compound or thiocarboxylic acid compound and a hydroxy compound or thiol compound.
- Examples of the active ester compound include a compound represented by the following formula (1).
- X1 and X2 each represent a group containing an aromatic ring.
- the group containing an aromatic ring include a benzene ring which may have a substituent and a naphthalene ring which may have a substituent.
- a hydrocarbon group is mentioned as said substituent.
- the carbon number of the hydrocarbon group is preferably 12 or less, more preferably 6 or less, and still more preferably 4 or less.
- a combination of a benzene ring which may have a substituent and a benzene ring which may have a substituent a combination of a benzene ring which may have a substituent and a benzene ring which may have a substituent, a benzene ring which may have a substituent and a substitution
- the combination with the naphthalene ring which may have a group is mentioned.
- examples of the combination of X1 and X2 include a combination of a naphthalene ring which may have a substituent and a naphthalene ring which may have a substituent.
- the active ester compound is not particularly limited. From the viewpoint of reducing the dielectric loss tangent of the cured product and increasing the thermal dimensional stability of the cured product, it is more preferable to have a naphthalene ring in the main chain skeleton of the active ester. Examples of commercially available active ester compounds include “HPC-8000-65T”, “EXB9416-70BK”, and “EXB8100-65T” manufactured by DIC.
- benzoxazine compound examples include Pd type benzoxazine and Fa type benzoxazine.
- benzoxazine compounds examples include “Pd type” manufactured by Shikoku Kasei Kogyo Co., Ltd.
- the carbodiimide compound has a structural unit represented by the following formula (2).
- the right end and the left end are binding sites with other groups.
- X is an alkylene group, a group having a substituent bonded to an alkylene group, a cycloalkylene group, a group having a substituent bonded to a cycloalkylene group, an arylene group, or a substituent bonded to an arylene group.
- X may be the same and may differ.
- At least one X is an alkylene group, a group in which a substituent is bonded to an alkylene group, a cycloalkylene group, or a group in which a substituent is bonded to a cycloalkylene group.
- carbodiimide compounds include “Carbodilite V-02B”, “Carbodilite V-03”, “Carbodilite V-04K”, “Carbodilite V-07”, “Carbodilite V-09”, “Carbodilite” manufactured by Nisshinbo Chemical Co., Ltd. 10M-SP ”and“ Carbodilite 10M-SP (revised) ”,“ STABAXOL P ”,“ STABAXOL P400 ”, and“ HIKAZIL 510 ”manufactured by Rhein Chemie.
- maleimide compound examples include N-alkyl bismaleimide compounds and N-phenyl bismaleimide compounds.
- the content of the curing agent with respect to 100 parts by weight of the epoxy compound is preferably 25 parts by weight or more, more preferably 50 parts by weight or more, preferably 200 parts by weight or less, more preferably 150 parts by weight or less.
- the content of the curing agent is not less than the above lower limit and not more than the above upper limit, the curability is further improved, and the dimensional change of the cured product due to heat and the volatilization of the remaining unreacted components can be further suppressed.
- the total content of the epoxy compound and the curing agent is preferably 65% by weight or more, more preferably 70% by weight or more, preferably It is 99 weight% or less, More preferably, it is 97 weight% or less.
- the total content of the epoxy compound and the curing agent is not less than the above lower limit and not more than the above upper limit, a more favorable cured product can be obtained, and the dimensional change due to heat of the cured product can be further suppressed.
- the resin material includes a silane coupling agent.
- the silane coupling agent has a triazine skeleton.
- the resin material includes a silane coupling agent having a triazine skeleton.
- the silane coupling agent By using the silane coupling agent, the dielectric loss tangent can be lowered and the occurrence of delamination can be suppressed.
- the silane coupling agent it is possible to suppress the occurrence of delamination even during the reflow process or even when the amount of the inorganic filler is large. Further, the use of the silane coupling agent can suppress the generation of blisters and suppress the occurrence of delamination.
- the said silane coupling agent only 1 type may be used and 2 or more types may be used together.
- the triazine skeleton is preferably a diaminotriazine skeleton because the effects of the present invention are effectively exhibited. That is, the silane coupling agent is preferably a silane coupling agent having a diaminotriazine skeleton.
- the diaminotriazine skeleton is a skeleton in which an amino group is bonded to each of two carbon atoms constituting the triazine skeleton.
- Examples of commercially available silane coupling agents having a diaminotriazine skeleton include “VD-5” manufactured by Shikoku Kasei Kogyo Co., Ltd.
- the content of the silane coupling agent is preferably 0.1% by weight or more, more preferably 0.2% by weight or more, and still more preferably. It is 0.4% by weight or more, preferably 3% by weight or less, more preferably 2.5% by weight or less, and further preferably 2% by weight or less.
- production of a delamination can be suppressed further as content of the said silane coupling agent is more than the said minimum and below the said upper limit. It can suppress that a dielectric loss tangent becomes it high that content of the said silane coupling agent is below the said upper limit.
- the resin material preferably contains a thermoplastic resin.
- the thermoplastic resin include polyvinyl acetal resin and phenoxy resin.
- the said thermoplastic resin only 1 type may be used and 2 or more types may be used together.
- the thermoplastic resin is preferably a phenoxy resin from the viewpoint of effectively reducing the dielectric loss tangent and effectively improving the adhesion of the metal wiring.
- the phenoxy resin By using the phenoxy resin, deterioration of the embedding property of the resin film with respect to the holes or irregularities of the circuit board and non-uniformity of the inorganic filler can be suppressed.
- the melt viscosity can be adjusted by using the phenoxy resin, the dispersibility of the inorganic filler is improved, and the resin composition or the B-staged product is difficult to wet and spread in an unintended region during the curing process.
- the phenoxy resin contained in the resin material is not particularly limited.
- a conventionally known phenoxy resin can be used as the phenoxy resin.
- As for the said phenoxy resin only 1 type may be used and 2 or more types may be used together.
- phenoxy resins examples include phenoxy resins having a skeleton such as a bisphenol A skeleton, a bisphenol F skeleton, a bisphenol S skeleton, a biphenyl skeleton, a novolak skeleton, a naphthalene skeleton, and an imide skeleton.
- phenoxy resins examples include “YP50”, “YP55” and “YP70” manufactured by Nippon Steel & Sumikin Chemical Co., Ltd., and “1256B40”, “4250”, “4256H40” manufactured by Mitsubishi Chemical Corporation, “ 4275 “,” YX6954BH30 “,” YX8100BH30 “, and the like.
- the weight average molecular weight of the thermoplastic resin and the phenoxy resin is preferably 5,000 or more, more preferably 10,000 or more, preferably 100,000 or less, more preferably 50,000 or less. It is.
- the weight average molecular weight of the thermoplastic resin and the phenoxy resin indicates a weight average molecular weight in terms of polystyrene measured by gel permeation chromatography (GPC).
- the contents of the thermoplastic resin and the phenoxy resin are not particularly limited.
- the content of the thermoplastic resin (the content of the phenoxy resin when the thermoplastic resin is a phenoxy resin) is preferably 1% by weight in 100% by weight of the component excluding the inorganic filler and solvent in the resin material. Above, more preferably 2% by weight or more, preferably 30% by weight or less, more preferably 20% by weight or less.
- the content of the thermoplastic resin is not less than the above lower limit and not more than the above upper limit, the embedding property of the resin material in the holes or irregularities of the circuit board becomes good.
- the content of the thermoplastic resin is not less than the above lower limit, the resin film can be formed more easily, and a better insulating layer can be obtained.
- the thermal expansion coefficient of the cured product is further reduced.
- the surface roughness of the surface of the cured product is further reduced, and the adhesive strength between the cured product and the metal layer is further increased.
- the resin material preferably contains a curing accelerator.
- the curing rate is further increased.
- the crosslinked structure in the cured product becomes uniform, the number of unreacted functional groups is reduced, and as a result, the crosslinking density is increased.
- the said hardening accelerator is not specifically limited, A conventionally well-known hardening accelerator can be used. As for the said hardening accelerator, only 1 type may be used and 2 or more types may be used together.
- curing accelerator examples include imidazole compounds, phosphorus compounds, amine compounds, and organometallic compounds.
- imidazole compound examples include 2-undecylimidazole, 2-heptadecylimidazole, 2-methylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-phenyl-4-methylimidazole, 1-benzyl- 2-methylimidazole, 1-benzyl-2-phenylimidazole, 1,2-dimethylimidazole, 1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-ethyl-4-methylimidazole, 1-cyanoethyl-2-un Decylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-2-undecylimidazolium trimellitate, 1-cyanoethyl-2-phenylimidazolium trimellitate, 2,4-diamino-6- [2 ' -Mechi Imidazolyl- (1 ′)]-
- Examples of the phosphorus compound include triphenylphosphine.
- Examples of the amine compound include diethylamine, triethylamine, diethylenetetramine, triethylenetetramine and 4,4-dimethylaminopyridine.
- organometallic compound examples include zinc naphthenate, cobalt naphthenate, tin octylate, cobalt octylate, bisacetylacetonate cobalt (II), and trisacetylacetonate cobalt (III).
- the content of the curing accelerator is not particularly limited. In 100% by weight of the component excluding the inorganic filler and solvent in the resin material, the content of the curing accelerator is preferably 0.01% by weight or more, more preferably 0.05% by weight or more, preferably 5% by weight. Hereinafter, it is more preferably 3% by weight or less.
- the content of the curing accelerator is not less than the above lower limit and not more than the above upper limit, the resin material is efficiently cured. If content of the said hardening accelerator is a more preferable range, the storage stability of a resin material will become still higher and a much better hardened
- the resin material does not contain or contains a solvent.
- the solvent By using the solvent, the viscosity of the resin material can be controlled within a suitable range, and the coatability of the resin material can be improved.
- the said solvent may be used in order to obtain the slurry containing the said inorganic filler. As for the said solvent, only 1 type may be used and 2 or more types may be used together.
- Examples of the solvent include acetone, methanol, ethanol, butanol, 2-propanol, 2-methoxyethanol, 2-ethoxyethanol, 1-methoxy-2-propanol, 2-acetoxy-1-methoxypropane, toluene, xylene, methyl ethyl ketone, Examples thereof include N, N-dimethylformamide, methyl isobutyl ketone, N-methyl-pyrrolidone, n-hexane, cyclohexane, cyclohexanone and naphtha which is a mixture.
- the boiling point of the solvent is preferably 200 ° C. or lower, more preferably 180 ° C. or lower.
- the content of the solvent in the resin composition is not particularly limited. The content of the solvent can be appropriately changed in consideration of the coating property of the resin composition.
- the above resin materials include leveling agents, flame retardants, coupling agents, colorants, antioxidants, UV degradation inhibitors, A thermosetting resin other than a foaming agent, a thickener, a thixotropic agent, and an epoxy compound may be added.
- Examples of the coupling agent include a silane coupling agent having no triazine skeleton, a titanium coupling agent, and an aluminum coupling agent.
- Examples of the silane coupling agent having no triazine skeleton include vinyl silane, amino silane, imidazole silane, and epoxy silane.
- thermosetting resins examples include polyphenylene ether resins, divinyl benzyl ether resins, polyarylate resins, diallyl phthalate resins, polyimide resins, benzoxazine resins, benzoxazole resins, bismaleimide resins, and acrylate resins.
- a resin film (B-staged product / B-stage film) is obtained by molding the resin composition described above into a film.
- the resin material is preferably a resin film.
- the resin film is preferably a B stage film.
- the resin material is preferably a thermosetting material.
- the following methods may be mentioned as methods for forming a resin composition into a film to obtain a resin film.
- An extrusion molding method in which a resin composition is melt-kneaded and extruded using an extruder, and then molded into a film shape by a T die or a circular die.
- a casting molding method in which a resin composition containing a solvent is cast to form a film.
- Other known film forming methods The extrusion molding method or the casting molding method is preferable because it can cope with the reduction in thickness.
- the film includes a sheet.
- a resin film that is a B-stage film can be obtained by forming the resin composition into a film and drying it by heating, for example, at 50 ° C. to 150 ° C. for 1 to 10 minutes so that curing by heat does not proceed excessively. it can.
- the film-like resin composition that can be obtained by the drying process as described above is referred to as a B stage film.
- the B-stage film is in a semi-cured state.
- the semi-cured product is not completely cured and curing can proceed further.
- the resin film may not be a prepreg.
- migration does not occur along the glass cloth or the like.
- laminating or precuring the resin film the surface is not uneven due to the glass cloth.
- the said resin film can be used with the form of a laminated film provided with metal foil or a base material, and the resin film laminated
- the metal foil is preferably a copper foil.
- Examples of the substrate of the laminated film include polyester resin films such as polyethylene terephthalate film and polybutylene terephthalate film, olefin resin films such as polyethylene film and polypropylene film, and polyimide resin film.
- the surface of the base material may be subjected to a release treatment as necessary.
- the thickness of the resin film is preferably 5 ⁇ m or more, and preferably 200 ⁇ m or less.
- the thickness of the insulating layer formed with the said resin film is more than the thickness of the conductor layer (metal layer) which forms a circuit.
- the thickness of the insulating layer is preferably 5 ⁇ m or more, and preferably 200 ⁇ m or less.
- the resin material is preferably used for forming a mold resin for embedding a semiconductor chip in a semiconductor device.
- the resin material is preferably used for forming an insulating layer in a printed wiring board.
- the printed wiring board can be obtained, for example, by heat-pressing the resin material.
- a metal foil can be laminated on one side or both sides of the resin film.
- the method for laminating the resin film and the metal foil is not particularly limited, and a known method can be used.
- the resin film can be laminated on the metal foil using an apparatus such as a parallel plate press or a roll laminator while applying pressure while heating or without heating.
- the resin material is preferably used for obtaining a copper-clad laminate.
- An example of the copper-clad laminate includes a copper-clad laminate including a copper foil and a resin film laminated on one surface of the copper foil.
- the thickness of the copper foil of the copper-clad laminate is not particularly limited.
- the thickness of the copper foil is preferably in the range of 1 ⁇ m to 50 ⁇ m.
- the copper foil in order to increase the adhesive strength between the cured product of the resin material and the copper foil, the copper foil preferably has fine irregularities on the surface.
- the method for forming the unevenness is not particularly limited. Examples of the method for forming the unevenness include a formation method by treatment using a known chemical solution.
- the resin material is suitably used for obtaining a multilayer substrate.
- An example of the multilayer board includes a multilayer board including a circuit board and an insulating layer laminated on the circuit board.
- the insulating layer of the multilayer substrate is formed of the resin material.
- the insulating layer of the multilayer substrate may be formed of the resin film of the laminated film using a laminated film.
- the insulating layer is preferably laminated on the surface of the circuit board on which the circuit is provided. Part of the insulating layer is preferably embedded between the circuits.
- the surface of the insulating layer opposite to the surface on which the circuit substrate is laminated is roughened.
- a conventionally known roughening treatment method can be used as the roughening treatment method, and is not particularly limited.
- the surface of the insulating layer may be subjected to a swelling treatment before the roughening treatment.
- the multilayer board preferably further includes a copper plating layer laminated on the roughened surface of the insulating layer.
- the circuit board, the insulating layer laminated on the surface of the circuit board, and the surface of the insulating layer opposite to the surface on which the circuit board is laminated are laminated.
- a multilayer substrate provided with copper foil is laminated.
- the insulating layer is preferably formed by curing the resin film using a copper-clad laminate including a copper foil and a resin film laminated on one surface of the copper foil.
- the copper foil is etched and is a copper circuit.
- the multilayer substrate is a multilayer substrate including a circuit board and a plurality of insulating layers stacked on the surface of the circuit board. At least one of the plurality of insulating layers disposed on the circuit board is formed using the resin material. It is preferable that the multilayer substrate further includes a circuit laminated on at least one surface of the insulating layer formed using the resin film.
- the resin material according to the present invention is suitably used for forming an insulating layer in a multilayer printed wiring board.
- the resin material according to the present invention is preferably a resin material capable of forming an insulating layer in a multilayer printed wiring board.
- the resin material according to the present invention is preferably a resin material suitable for forming an insulating layer in a multilayer printed wiring board.
- the multilayer printed wiring board includes, for example, a circuit board, a plurality of insulating layers arranged on the surface of the circuit board, and a metal layer arranged between the plurality of insulating layers. At least one of the insulating layers is a cured product of the resin material.
- FIG. 1 is a cross-sectional view schematically showing a multilayer printed wiring board using a resin material according to an embodiment of the present invention.
- a plurality of insulating layers 13 to 16 are laminated on the upper surface 12 a of the circuit board 12.
- the insulating layers 13 to 16 are cured product layers.
- a metal layer 17 is formed in a partial region of the upper surface 12 a of the circuit board 12.
- the metal layer 17 is formed in a part of the upper surface of the insulating layers 13 to 15 other than the insulating layer 16 located on the outer surface opposite to the circuit board 12 side.
- the metal layer 17 is a circuit.
- Metal layers 17 are respectively arranged between the circuit board 12 and the insulating layer 13 and between the stacked insulating layers 13 to 16.
- the lower metal layer 17 and the upper metal layer 17 are connected to each other by at least one of via hole connection and through hole connection (not shown).
- the insulating layers 13 to 16 are formed of a cured product of the resin material.
- fine holes are formed on the surfaces of the insulating layers 13 to 16.
- the metal layer 17 reaches the inside of the fine hole.
- the width direction dimension (L) of the metal layer 17 and the width direction dimension (S) of the part in which the metal layer 17 is not formed can be made small.
- good insulation reliability is imparted between an upper metal layer and a lower metal layer that are not connected by via-hole connection and through-hole connection (not shown).
- the resin material is preferably used in order to obtain a cured product that is roughened or desmeared.
- the cured product includes a precured product that can be further cured.
- the cured product is preferably subjected to a roughening treatment.
- the cured product Prior to the roughening treatment, the cured product is preferably subjected to a swelling treatment.
- the cured product is preferably subjected to a swelling treatment after the preliminary curing and before the roughening treatment, and is further cured after the roughening treatment.
- the cured product is not necessarily subjected to the swelling treatment.
- the swelling treatment method for example, a method of treating a cured product with an aqueous solution or an organic solvent dispersion solution of a compound mainly composed of ethylene glycol or the like is used.
- the swelling liquid used for the swelling treatment generally contains an alkali as a pH adjuster or the like.
- the swelling liquid preferably contains sodium hydroxide.
- the swelling treatment is carried out by treating the cured product with a 40 wt% ethylene glycol aqueous solution at a treatment temperature of 30 ° C. to 85 ° C. for 1 minute to 30 minutes.
- the swelling treatment temperature is preferably in the range of 50 ° C to 85 ° C. When the temperature of the swelling treatment is too low, it takes a long time for the swelling treatment, and the adhesive strength between the cured product and the metal layer tends to be low.
- a chemical oxidant such as a manganese compound, a chromium compound, or a persulfate compound is used.
- chemical oxidizers are used as an aqueous solution or an organic solvent dispersion after water or an organic solvent is added.
- the roughening liquid used for the roughening treatment generally contains an alkali as a pH adjuster or the like.
- the roughening solution preferably contains sodium hydroxide.
- Examples of the manganese compound include potassium permanganate and sodium permanganate.
- Examples of the chromium compound include potassium dichromate and anhydrous potassium chromate.
- Examples of the persulfate compound include sodium persulfate, potassium persulfate, and ammonium persulfate.
- the arithmetic average roughness Ra of the surface of the cured product is preferably 10 nm or more, preferably less than 300 nm, more preferably less than 200 nm, and even more preferably less than 150 nm.
- the adhesive strength between the cured product and the metal layer is increased, and further finer wiring is formed on the surface of the insulating layer. Furthermore, conductor loss can be suppressed and signal loss can be suppressed low.
- the arithmetic average roughness Ra is measured according to JIS B0601: 1994.
- Through holes may be formed in a cured product obtained by precuring the resin material.
- a via or a through hole is formed as a through hole.
- the via can be formed by irradiation with a laser such as a CO 2 laser.
- the diameter of the via is not particularly limited, but is about 60 ⁇ m to 80 ⁇ m. Due to the formation of the through hole, a smear, which is a resin residue derived from the resin component contained in the cured product, is often formed at the bottom of the via.
- the surface of the cured product is preferably desmeared.
- the desmear process may also serve as a roughening process.
- a chemical oxidant such as a manganese compound, a chromium compound, or a persulfate compound is used in the same manner as the roughening treatment.
- chemical oxidizers are used as an aqueous solution or an organic solvent dispersion after water or an organic solvent is added.
- the desmear treatment liquid used for the desmear treatment generally contains an alkali.
- the desmear treatment liquid preferably contains sodium hydroxide.
- Silica-containing slurry 1 Silica 75 wt%: “SC4050-HOA” manufactured by Admatechs, specific surface area 4.5 m 2 / g, average particle size 1.0 ⁇ m, phenylaminosilane treatment, cyclohexanone 25 wt%)
- Silica-containing slurry 2 Silica 60 wt%: Admatex “SC1050-HLA”, specific surface area 17 m 2 / g, average particle size 0.25 ⁇ m, phenylaminosilane treatment, cyclohexanone 40 wt%)
- Silica-containing slurry 3 Silca 50 wt%: “YA100C” manufactured by Admatechs, specific surface area 30 m 2 / g, average particle size 0.10 ⁇ m, phenylaminosilane treatment, cyclohexanone 50 wt%)
- Silica-containing slurry 4 Silica 50 wt%, Admatex “YA050C”, specific surface
- Silane coupling agent Silane coupling agent having a triazine skeleton (silane coupling agent having a diaminotriazine skeleton, “VD-5” manufactured by Shikoku Kasei Kogyo Co., Ltd.) Silane coupling agent not having triazine skeleton (“KBM-573” manufactured by Shin-Etsu Chemical Co., Ltd., N-phenyl-3-aminopropyltrimethoxysilane)
- DMAP Dimethylaminopyridine
- Phenoxy resin-containing liquid (Mitsubishi Chemical "YX6954BH30", solid content 30 wt%)
- Examples 1 to 7 and Comparative Examples 1 to 3 The components shown in Tables 1 and 2 below were blended in the blending amounts shown in Tables 1 and 2 (units are solid parts by weight) and stirred at room temperature until a uniform solution was obtained, to obtain a resin material.
- Lamination process production of lamination sample A: A copper-clad laminate (a laminate of a glass epoxy substrate having a thickness of 150 ⁇ m and a copper foil having a thickness of 35 ⁇ m) was prepared. Both surfaces of the copper-clad laminate were immersed in a copper surface roughening agent (“MEC Etch Bond CZ-8100” manufactured by MEC) to roughen the copper surface.
- MEC Etch Bond CZ-8100 a copper surface roughening agent manufactured by MEC
- the obtained sheet-like resin film is overlaid on the roughened copper surface of the copper-clad laminate, and a laminating pressure of 0 is obtained using a vacuum pressure laminator machine (“MVLP-500” manufactured by Meiki Seisakusho Co., Ltd.).
- the laminate was laminated at 4 MPa and a lamination temperature of 100 ° C. for 40 seconds, and further pressed at a press pressure of 1.0 MPa and a press temperature of 100 ° C. for 40 seconds.
- stacked on the copper clad laminated board was produced.
- the PET film was peeled off, and then heated at 180 ° C.
- the obtained wiring sample A was subjected to the following wiring formation process.
- Swelling process The above laminated sample A is put in a swelling liquid at 60 ° C. (an aqueous solution containing “Swelling Dip Securigant P” manufactured by Atotech Japan Co., Ltd.) and “sodium hydroxide” manufactured by Wako Pure Chemical Industries, Ltd., and the swelling temperature is 60 ° C. Rocked for 20 minutes. Thereafter, the sample was washed with pure water to obtain a laminated sample A subjected to swelling treatment.
- a swelling liquid at 60 ° C. an aqueous solution containing “Swelling Dip Securigant P” manufactured by Atotech Japan Co., Ltd.
- sodium hydroxide manufactured by Wako Pure Chemical Industries, Ltd.
- Roughening treatment permanganate treatment: In a 80 ° C. sodium permanganate roughening aqueous solution (“Concentrate Compact CP” manufactured by Atotech Japan Co., Ltd., “Sodium hydroxide” manufactured by Wako Pure Chemical Industries, Ltd.), the layered sample A that has been swollen is put into a roughening temperature. Rocked at 80 ° C. for 20 minutes. Then, after washing
- Electroless plating process The surface of the roughened cured product was treated with a 60 ° C. alkali cleaner (“Cleaner Securigant 902” manufactured by Atotech Japan) for 5 minutes and degreased and washed. After washing, the cured product was treated with a 25 ° C. pre-dip solution (“Pre-Dip Neogant B” manufactured by Atotech Japan) for 2 minutes. Thereafter, the cured product was treated with an activator solution at 40 ° C. (“Activator Neo Gantt 834” manufactured by Atotech Japan) for 5 minutes to attach a palladium catalyst. Next, the cured product was treated with a reducing solution at 30 ° C. (“Reducer Neogant WA” manufactured by Atotech Japan) for 5 minutes.
- a 60 ° C. alkali cleaner (“Cleaner Securigant 902” manufactured by Atotech Japan) for 5 minutes and degreased and washed. After washing, the cured product was treated with a 25 ° C.
- the cured product is placed in a chemical copper solution (all manufactured by Atotech Japan “Basic Print Gantt MSK-DK”, “Copper Print Gantt MSK”, “Stabilizer Print Gantt MSK”, “Reducer Cu”).
- a chemical copper solution all manufactured by Atotech Japan “Basic Print Gantt MSK-DK”, “Copper Print Gantt MSK”, “Stabilizer Print Gantt MSK”, “Reducer Cu”.
- annealing was performed at a temperature of 120 ° C. for 30 minutes in order to remove the remaining hydrogen gas. All the processes up to the electroless plating process were performed with a treatment liquid of 2 L on a beaker scale and while the cured product was rocked.
- Electrolytic copper plating process After the electroless plating was formed, the electrolytic copper plating was performed until the plating thickness became 25 ⁇ m to form an electrolytic copper plating layer.
- an aqueous copper sulfate solution (“copper sulfate pentahydrate” manufactured by Wako Pure Chemical Industries, Ltd., “sulfuric acid” manufactured by Wako Pure Chemical Industries, Ltd., “basic leveler kaparaside HL” manufactured by Atotech Japan Co., Ltd., “ A current of 0.6 A / cm 2 was applied using the corrector Kaparaside GS ”). Thereby, the laminated structure after quick etching was obtained.
- Main curing process The laminated structure after the quick etching was heated in a gear oven at 180 ° C. for 60 minutes to be fully cured, thereby producing a sample for evaluation.
- Dielectric loss tangent is 0.0050 or less
- Dielectric tangent exceeds 0.0050 and 0.0055 or less
- Dielectric loss tangent exceeds 0.0055
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Epoxy Resins (AREA)
Abstract
Description
上記樹脂材料は、エポキシ化合物を含む。上記エポキシ化合物として、従来公知のエポキシ化合物を使用可能である。上記エポキシ化合物は、少なくとも1個のエポキシ基を有する有機化合物をいう。上記エポキシ化合物は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、無機充填材を含む。無機充填材の使用により、硬化物の誘電正接がより一層低くなる。また、無機充填材の使用により、硬化物の熱による寸法変化がより一層小さくなる。さらに、無機充填材の使用により、硬化物と金属層との接着強度がより一層高くなる。上記無機充填材は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、硬化剤を含む。上記硬化剤として、従来公知の硬化剤を使用可能である。上記硬化剤は1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、シランカップリング剤を含む。上記シランカップリング剤は、トリアジン骨格を有する。上記樹脂材料は、トリアジン骨格を有するシランカップリング剤を含む。上記シランカップリング剤の使用により、誘電正接を低くし、かつデラミネーションの発生を抑えることができる。上記シランカップリング剤の使用により、リフロー工程時や、無機充填材の配合量が多い場合であっても、デラミネーションの発生を抑えることができる。また、上記シランカップリング剤の使用により、ブリスターの発生を抑えることができ、かつ、デラミネーションの発生を抑えることができる。上記シランカップリング剤は1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、熱可塑性樹脂を含むことが好ましい。上記熱可塑性樹脂としては、ポリビニルアセタール樹脂及びフェノキシ樹脂等が挙げられる。上記熱可塑性樹脂は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、硬化促進剤を含むことが好ましい。上記硬化促進剤の使用により、硬化速度がより一層速くなる。樹脂材料を速やかに硬化させることで、硬化物における架橋構造が均一になると共に、未反応の官能基数が減り、結果的に架橋密度が高くなる。上記硬化促進剤は特に限定されず、従来公知の硬化促進剤を使用可能である。上記硬化促進剤は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記樹脂材料は、溶剤を含まないか又は含む。上記溶剤の使用により、樹脂材料の粘度を好適な範囲に制御でき、樹脂材料の塗工性を高めることができる。また、上記溶剤は、上記無機充填材を含むスラリーを得るために用いられてもよい。上記溶剤は1種のみが用いられてもよく、2種以上が併用されてもよい。
耐衝撃性、耐熱性、樹脂の相溶性及び作業性等の改善を目的として、上記樹脂材料には、レベリング剤、難燃剤、カップリング剤、着色剤、酸化防止剤、紫外線劣化防止剤、消泡剤、増粘剤、揺変性付与剤及びエポキシ化合物以外の他の熱硬化性樹脂等を添加してもよい。
上述した樹脂組成物をフィルム状に成形することにより樹脂フィルム(Bステージ化物/Bステージフィルム)が得られる。上記樹脂材料は、樹脂フィルムであることが好ましい。樹脂フィルムは、Bステージフィルムであることが好ましい。
上記樹脂材料は、半導体装置において半導体チップを埋め込むモールド樹脂を形成するために好適に用いられる。
上記樹脂材料は、粗化処理又はデスミア処理される硬化物を得るために用いられることが好ましい。上記硬化物には、更に硬化が可能な予備硬化物も含まれる。
上記樹脂材料を予備硬化させることにより得られた硬化物に、貫通孔が形成されることがある。上記多層基板などでは、貫通孔として、ビア又はスルーホール等が形成される。例えば、ビアは、CO2レーザー等のレーザーの照射により形成できる。ビアの直径は特に限定されないが、60μm~80μm程度である。上記貫通孔の形成により、ビア内の底部には、硬化物に含まれている樹脂成分に由来する樹脂の残渣であるスミアが形成されることが多い。
ビスフェノールA型エポキシ化合物(DIC社製「850-S」、エポキシ当量187)
ビフェニルノボラック型エポキシ化合物(日本化薬社製「NC-3000」、エポキシ当量275)
シリカ含有スラリー1(シリカ75重量%:アドマテックス社製「SC4050-HOA」、比表面積4.5m2/g、平均粒径1.0μm、フェニルアミノシラン処理、シクロヘキサノン25重量%)
シリカ含有スラリー2(シリカ60重量%:アドマテックス社製「SC1050-HLA」、比表面積17m2/g、平均粒径0.25μm、フェニルアミノシラン処理、シクロヘキサノン40重量%)
シリカ含有スラリー3(シリカ50重量%:アドマテックス社製「YA100C」、比表面積30m2/g、平均粒径0.10μm、フェニルアミノシラン処理、シクロヘキサノン50重量%)
シリカ含有スラリー4(シリカ50重量%、アドマテックス社製「YA050C」、比表面積65m2/g、平均粒径0.05μm、フェニルアミノシラン処理、シクロヘキサノン50重量%)
活性エステル樹脂含有液(DIC社製「EXB9416-70BK」、固形分70重量%)
トリアジン骨格を有するシランカップリング剤(ジアミノトリアジン骨格を有するシランカップリング剤、四国化成工業社製「VD-5」)
トリアジン骨格を有さないシランカップリング剤(信越化学工業社製「KBM-573」、N-フェニル-3-アミノプロピルトリメトキシシラン)
ジメチルアミノピリジン(和光純薬工業社製「DMAP」)
フェノキシ樹脂含有液(三菱化学社製「YX6954BH30」、固形分30重量%)
トリアジン骨格を有するフェノールノボラック樹脂(DIC社製「LA-1356」)
下記の表1、2に示す成分を下記の表1、2に示す配合量(単位は固形分重量部)で配合し、均一な溶液となるまで常温で攪拌し、樹脂材料を得た。
アプリケーターを用いて、離型処理されたPETフィルム(東レ社製「XG284」、厚み25μm)の離型処理面上に得られた樹脂材料を塗工した後、100℃のギヤオーブン内で3分間乾燥し、溶剤を揮発させた。このようにして、PETフィルム上に、厚さが40μmである樹脂フィルム(PETフィルムと樹脂フィルムとの積層フィルム)を得た。
銅張積層基板(厚さ150μmのガラスエポキシ基板と厚さ35μmの銅箔との積層体)を用意した。銅張積層基板の両面を銅表面粗化剤(メック社製「メックエッチボンド CZ-8100」)に浸漬して、銅表面を粗化処理した。
60℃の膨潤液(アトテックジャパン社製「スウェリングディップセキュリガントP」と和光純薬工業社製「水酸化ナトリウム」とを含む水溶液)に、上記積層サンプルAを入れて、膨潤温度60℃で20分間揺動させた。その後、純水で洗浄して、膨潤処理された積層サンプルAを得た。
80℃の過マンガン酸ナトリウム粗化水溶液(アトテックジャパン社製「コンセントレートコンパクトCP」、和光純薬工業社製「水酸化ナトリウム」)に、膨潤処理された積層サンプルAを入れて、粗化温度80℃で20分間揺動させた。その後、40℃の洗浄液(アトテックジャパン社製「リダクションセキュリガントP」、和光純薬工業社製「硫酸」)により10分間洗浄した後、純水でさらに洗浄した。このようにして、エッチングにより内層回路を形成したガラスエポキシ基板上に、粗化処理された硬化物を形成した。
上記粗化処理された硬化物の表面を、60℃のアルカリクリーナ(アトテックジャパン社製「クリーナーセキュリガント902」)で5分間処理し、脱脂洗浄した。洗浄後、上記硬化物を25℃のプリディップ液(アトテックジャパン社製「プリディップネオガントB」)で2分間処理した。その後、上記硬化物を40℃のアクチベーター液(アトテックジャパン社製「アクチベーターネオガント834」)で5分間処理し、パラジウム触媒を付けた。次に、30℃の還元液(アトテックジャパン社製「リデューサーネオガントWA」)により、硬化物を5分間処理した。
無電解めっきが形成された後、めっき厚さが25μmとなるまで、電解銅めっきを実施し、電解銅めっき層を形成した。電解銅めっきとして硫酸銅水溶液(和光純薬工業社製「硫酸銅五水和物」、和光純薬工業社製「硫酸」、アトテックジャパン社製「ベーシックレベラーカパラシド HL」、アトテックジャパン社製「補正剤カパラシド GS」)を用いて、0.6A/cm2の電流を流した。これにより、クイックエッチング後の積層構造体を得た。
クイックエッチング後の積層構造体を、180℃のギヤオーブンで60分間加熱し、本硬化させることで、評価用サンプルを作製した。
(1)デラミネーション(ブリスターの抑制性)
得られた評価用サンプルを用いて、JEDECのLEVEL3に準拠して、吸湿試験(温度60℃及び湿度60RH%で40時間)を行った。その後、窒素リフロー処理(ピークトップ温度260℃)を行った。なお、リフロー処理は30回繰り返した。リフロー後のブリスターの発生の有無を目視により確認した。
○○:30回のリフロー処理にてブリスター発生無
○:21~29回のリフロー処理にてブリスター発生
×:20回以下のリフロー処理でブリスター発生
得られた樹脂フィルムを幅2mm、長さ80mmの大きさに裁断して5枚を重ね合わせて、厚み200μmの積層体を得た。得られた積層体について、関東電子応用開発社製「空洞共振摂動法誘電率測定装置CP521」及びキーサイトテクノロジー社製「ネットワークアナライザーN5224A PNA」を用いて、空洞共振法で常温(23℃)にて、周波数1.0GHzにて誘電正接を測定した。
○○:誘電正接が0.0050以下
○:誘電正接が0.0050を超え0.0055以下
×:誘電正接が0.0055を超える
12…回路基板
12a…上面
13~16…絶縁層
17…金属層
Claims (9)
- エポキシ化合物と、無機充填材と、硬化剤と、トリアジン骨格を有するシランカップリング剤とを含み、
前記無機充填材の比表面積が、1m2/g以上50m2/g以下である、樹脂材料。 - 前記シランカップリング剤が、ジアミノトリアジン骨格を有するシランカップリング剤である、請求項1に記載の樹脂材料。
- 前記硬化剤が、活性エステル化合物、シアネート化合物、ベンゾオキサジン化合物、カルボジイミド化合物、又はマレイミド化合物を含む、請求項1又は2に記載の樹脂材料。
- 樹脂材料中の前記無機充填材及び溶剤を除く成分100重量%中、前記シランカップリング剤の含有量が、0.1重量%以上3重量%以下である、請求項1~3のいずれか1項に記載の樹脂材料。
- 樹脂材料中の溶剤を除く成分100重量%中、前記無機充填材の含有量が、30重量%以上である、請求項1~4のいずれか1項に記載の樹脂材料。
- 熱硬化性材料である、請求項1~5のいずれか1項に記載の樹脂材料。
- 樹脂フィルムである、請求項1~6のいずれか1項に記載の樹脂材料。
- 多層プリント配線板において、絶縁層を形成するために用いられる、請求項1~7のいずれか1項に記載の樹脂材料。
- 回路基板と、
前記回路基板の表面上に配置された複数の絶縁層と、
複数の前記絶縁層間に配置された金属層とを備え、
複数の前記絶縁層の内の少なくとも1層が、請求項1~8のいずれか1項に記載の樹脂材料の硬化物である、多層プリント配線板。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019554573A JPWO2019240083A1 (ja) | 2018-06-12 | 2019-06-10 | 樹脂材料及び多層プリント配線板 |
| CN201980039519.1A CN112313280A (zh) | 2018-06-12 | 2019-06-10 | 树脂材料以及多层印刷布线板 |
| KR1020207035400A KR20210019009A (ko) | 2018-06-12 | 2019-06-10 | 수지 재료 및 다층 프린트 배선판 |
| JP2023195432A JP2024009109A (ja) | 2018-06-12 | 2023-11-16 | 樹脂材料及び多層プリント配線板 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018111852 | 2018-06-12 | ||
| JP2018-111852 | 2018-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019240083A1 true WO2019240083A1 (ja) | 2019-12-19 |
Family
ID=68842212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2019/022940 Ceased WO2019240083A1 (ja) | 2018-06-12 | 2019-06-10 | 樹脂材料及び多層プリント配線板 |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPWO2019240083A1 (ja) |
| KR (1) | KR20210019009A (ja) |
| CN (1) | CN112313280A (ja) |
| TW (1) | TW202006058A (ja) |
| WO (1) | WO2019240083A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021054955A (ja) * | 2019-09-30 | 2021-04-08 | 太陽インキ製造株式会社 | 硬化性樹脂組成物、ドライフィルム、樹脂付き銅箔、硬化物、及び電子部品 |
| JPWO2021220726A1 (ja) * | 2020-04-30 | 2021-11-04 | ||
| JP2022029527A (ja) * | 2020-08-05 | 2022-02-18 | 信越化学工業株式会社 | 熱硬化性樹脂組成物及び半導体装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100462A (ja) * | 1985-10-25 | 1987-05-09 | Asahi Shiyueebell Kk | ガラスクロス表面処理剤 |
| JPH10168283A (ja) * | 1996-12-13 | 1998-06-23 | Hitachi Chem Co Ltd | 電子部品封止用エポキシ樹脂成形材料 |
| JP2004010487A (ja) * | 2002-06-03 | 2004-01-15 | Nikko Materials Co Ltd | 新規有機ケイ素化合物およびその製造方法並びにそれを用いる表面処理剤および樹脂添加剤 |
| JP2017002289A (ja) * | 2015-06-04 | 2017-01-05 | 四国化成工業株式会社 | エポキシ樹脂組成物およびその利用 |
| WO2018043035A1 (ja) * | 2016-08-30 | 2018-03-08 | リンテック株式会社 | 樹脂組成物、樹脂シート、及び半導体装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5446864B2 (ja) | 2007-08-28 | 2014-03-19 | 住友ベークライト株式会社 | 多層プリント配線板用絶縁樹脂組成物、基材付き絶縁樹脂シート、多層プリント配線板及び半導体装置 |
| KR101560518B1 (ko) * | 2012-09-07 | 2015-10-14 | 세키스이가가쿠 고교가부시키가이샤 | 절연 수지 재료 및 다층 기판 |
| JP6461194B2 (ja) * | 2015-09-30 | 2019-01-30 | 積水化学工業株式会社 | 多層プリント配線板用樹脂組成物及び多層プリント配線板 |
| JP6834144B2 (ja) * | 2016-02-29 | 2021-02-24 | 味の素株式会社 | 支持体付き樹脂シート |
| JP6931542B2 (ja) * | 2016-03-29 | 2021-09-08 | 積水化学工業株式会社 | 樹脂組成物の硬化物、樹脂組成物及び多層基板 |
| WO2017204249A1 (ja) * | 2016-05-25 | 2017-11-30 | 日立化成株式会社 | 金属張積層板、プリント配線板及び半導体パッケージ |
| CN111373509B (zh) * | 2018-03-30 | 2024-01-30 | 琳得科株式会社 | 支撑片及保护膜形成用复合片 |
-
2019
- 2019-06-10 KR KR1020207035400A patent/KR20210019009A/ko not_active Ceased
- 2019-06-10 WO PCT/JP2019/022940 patent/WO2019240083A1/ja not_active Ceased
- 2019-06-10 JP JP2019554573A patent/JPWO2019240083A1/ja active Pending
- 2019-06-10 CN CN201980039519.1A patent/CN112313280A/zh active Pending
- 2019-06-12 TW TW108120263A patent/TW202006058A/zh unknown
-
2023
- 2023-11-16 JP JP2023195432A patent/JP2024009109A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100462A (ja) * | 1985-10-25 | 1987-05-09 | Asahi Shiyueebell Kk | ガラスクロス表面処理剤 |
| JPH10168283A (ja) * | 1996-12-13 | 1998-06-23 | Hitachi Chem Co Ltd | 電子部品封止用エポキシ樹脂成形材料 |
| JP2004010487A (ja) * | 2002-06-03 | 2004-01-15 | Nikko Materials Co Ltd | 新規有機ケイ素化合物およびその製造方法並びにそれを用いる表面処理剤および樹脂添加剤 |
| JP2017002289A (ja) * | 2015-06-04 | 2017-01-05 | 四国化成工業株式会社 | エポキシ樹脂組成物およびその利用 |
| JP2017002402A (ja) * | 2015-06-04 | 2017-01-05 | 四国化成工業株式会社 | 表面処理剤、樹脂組成物およびそれらの利用 |
| WO2018043035A1 (ja) * | 2016-08-30 | 2018-03-08 | リンテック株式会社 | 樹脂組成物、樹脂シート、及び半導体装置 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021054955A (ja) * | 2019-09-30 | 2021-04-08 | 太陽インキ製造株式会社 | 硬化性樹脂組成物、ドライフィルム、樹脂付き銅箔、硬化物、及び電子部品 |
| JP7341828B2 (ja) | 2019-09-30 | 2023-09-11 | 太陽ホールディングス株式会社 | 硬化性樹脂組成物、ドライフィルム、樹脂付き銅箔、硬化物、及び電子部品 |
| JPWO2021220726A1 (ja) * | 2020-04-30 | 2021-11-04 | ||
| WO2021220726A1 (ja) * | 2020-04-30 | 2021-11-04 | 昭和電工マテリアルズ株式会社 | 封止用エポキシ樹脂組成物、電子部品装置及びその製造方法 |
| JP2022029527A (ja) * | 2020-08-05 | 2022-02-18 | 信越化学工業株式会社 | 熱硬化性樹脂組成物及び半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112313280A (zh) | 2021-02-02 |
| JP2024009109A (ja) | 2024-01-19 |
| KR20210019009A (ko) | 2021-02-19 |
| JPWO2019240083A1 (ja) | 2021-05-06 |
| TW202006058A (zh) | 2020-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5629407B2 (ja) | 絶縁樹脂材料及び多層基板 | |
| JP2020023714A (ja) | 樹脂材料及び多層プリント配線板 | |
| WO2019189466A1 (ja) | 樹脂材料及び多層プリント配線板 | |
| KR102508097B1 (ko) | 수지 재료, 적층 필름 및 다층 프린트 배선판 | |
| WO2017170521A1 (ja) | 樹脂組成物及び多層基板 | |
| JP5799174B2 (ja) | 絶縁樹脂フィルム、予備硬化物、積層体及び多層基板 | |
| JP6931542B2 (ja) | 樹脂組成物の硬化物、樹脂組成物及び多層基板 | |
| JP2024009109A (ja) | 樹脂材料及び多層プリント配線板 | |
| JP2018115334A (ja) | エポキシ樹脂材料及び多層基板 | |
| JP2013040298A (ja) | エポキシ樹脂材料及び多層基板 | |
| JP5752071B2 (ja) | Bステージフィルム及び多層基板 | |
| JP2022069462A (ja) | 樹脂フィルム及び多層プリント配線板 | |
| JP2022163079A (ja) | 硬化体、bステージフィルム及び多層プリント配線板 | |
| JP6867131B2 (ja) | 積層体及び積層体の製造方法 | |
| JP2019006980A (ja) | 絶縁フィルム用樹脂組成物、絶縁フィルム及び多層プリント配線板 | |
| JP2014062150A (ja) | 絶縁樹脂フィルム、絶縁樹脂フィルムの製造方法、予備硬化物、積層体及び多層基板 | |
| WO2016047682A1 (ja) | 樹脂フィルム及び積層フィルム | |
| JP6159627B2 (ja) | 樹脂組成物、樹脂フィルム及び多層基板 | |
| JPWO2019117261A1 (ja) | 積層フィルム及びプリント配線板用組み合わせ部材 | |
| JP2020050842A (ja) | 樹脂材料及び多層プリント配線板 | |
| JP7254528B2 (ja) | 樹脂材料及び多層プリント配線板 | |
| JP2012140570A (ja) | エポキシ樹脂材料及び多層基板 | |
| JP7305326B2 (ja) | 樹脂材料及び多層プリント配線板 | |
| JP6084854B2 (ja) | 多層プリント配線板用エポキシ樹脂材料及び多層プリント配線板 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2019554573 Country of ref document: JP Kind code of ref document: A |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19819717 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19819717 Country of ref document: EP Kind code of ref document: A1 |
|
| WWR | Wipo information: refused in national office |
Ref document number: 1020207035400 Country of ref document: KR |