WO2004067631A1 - 樹脂組成物、樹脂硬化物、シート状樹脂硬化物、積層体、プリプレグ、電子部品及び多層基板 - Google Patents
樹脂組成物、樹脂硬化物、シート状樹脂硬化物、積層体、プリプレグ、電子部品及び多層基板 Download PDFInfo
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- WO2004067631A1 WO2004067631A1 PCT/JP2003/017070 JP0317070W WO2004067631A1 WO 2004067631 A1 WO2004067631 A1 WO 2004067631A1 JP 0317070 W JP0317070 W JP 0317070W WO 2004067631 A1 WO2004067631 A1 WO 2004067631A1
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- resin
- dielectric
- electronic component
- dielectric layer
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Definitions
- Resin composition cured resin, cured resin sheet, laminate, pre-preda, electronic component, and multilayer substrate
- the present invention relates to a resin composition, a cured resin, a cured resin sheet, a laminate, a pre-preda, an electronic component, and a multilayer substrate, and more specifically to a high-frequency region of 10 O MHz or more.
- the present invention relates to a useful resin composition, a cured resin, a cured resin sheet, a laminate, a pre-preda, an electronic component, and a multilayer substrate.
- Transmission loss coefficient X frequency X (dielectric constant) 1/2 X dielectric loss tangent
- the capacitance value is generally expressed by the following formula:
- Capacitance value dielectric constant in vacuum X dielectric constant of material X electrode area / insulating layer thickness In order to increase the capacitance value, it is necessary to increase the relative dielectric constant of the material.
- thermoplastic resins such as polyolefin, chloride resin, fluoro resin, syndiotactic polystyrene, and aromatic polyester resin, unsaturated polyester resin, polyimide resin, and epoxy resin.
- Various resins are known, such as bismaleimide triazine resin (BT resin), crosslinkable polyphenylene oxide, curable polyphenylene oxide, polybienyl benzyl ether resin, and benzocyclopentene resin. Power that cannot cope with the use of radio waves in the high frequency range. ⁇ All basic performances required for electronic components such as heat resistance, thin film processing, chemical resistance, insulation, low dielectric loss tangent, and low water absorption are satisfied. In reality, there is nothing to do, and the above resin alone has a high dielectric constant and a low dielectric loss tangent. Is a fact is that it is difficult to achieve.
- BT resin bismaleimide triazine resin
- crosslinkable polyphenylene oxide crosslinkable polyphenylene oxide
- curable polyphenylene oxide curable polyphenylene oxide
- polybienyl benzyl ether resin polybienyl benzyl ether resin
- benzocyclopentene resin Power that cannot cope with the use of radio waves
- the insulating material constituting the composite dielectric layer of the electronic component is required.
- a dielectric ceramic powder is dispersed in a polybutylbenzyl ether compound (Japanese Patent Application Laid-Open No. 2001-247733).
- the present inventors have found that the electronic component using the composite dielectric layer described in the above-mentioned conventional publication still has room for improvement in characteristics.
- an electronic component using the composite dielectric layer described in the above-mentioned publication is Although having a high dielectric constant and a low dielectric loss tangent, there was still room for improvement in terms of flexural strength and dielectric properties when used at high temperatures. In other words, there is still room for improvement in the above-mentioned conventional electronic components in terms of handleability and performance maintenance during high-temperature use.
- the electrical characteristics such as the dielectric constant and the dielectric loss tangent (ta ⁇ ⁇ ) of the composite dielectric layer are good.
- the material is not superior in strength. Therefore, there is still room for improvement in the strength of the electronic components described in the above publication.
- the composite dielectric layer does not have sufficient flexural strength and flexural modulus, and there is room for improvement in adhesiveness to copper foil (peeling strength, etc.).
- the composite dielectric layer does not have, for example, a sufficiently high glass transition temperature, which is an index of heat resistance, and has room for improvement in characteristics. The same applies to the case where reinforcing fibers are provided in the composite dielectric layer.
- the present invention provides a resin composition, a cured resin, a cured sheet-like resin, a laminate, a pre-predader, an electronic component, and a multilayer substrate that can sufficiently improve the characteristics of an electronic component.
- the purpose is to provide.
- the present invention provides a compound having a phenolic hydroxyl group and a compound having two or more groups capable of forming an ester bond by reacting with the phenolic hydroxyl group.
- the present invention provides a resin composition comprising: an active ester compound; an epoxy resin; a curable mixture of the above; and a dielectric ceramic powder disposed in the curable mixture.
- the epoxy resin and the active ester compound in the resin composition of the present invention produce a reaction product having a high molecular weight by a reaction (curing reaction). Therefore, the above-mentioned curable mixture consisting of an epoxy resin and an active ester compound is a curable mixture that should become a matrix resin by the reaction, and after the curing reaction, the dielectric ceramic powder is dispersed in the matrix resin.
- the cured product of the resin composition as a whole has a giga Hz In the frequency region of, a high dielectric constant and a low dielectric loss tangent are exhibited.
- the active ester compound is used for curing the epoxy resin, no hydroxyl group is generated due to ring opening of the epoxy group during the curing reaction, and the dielectric properties are less affected by temperature and humidity.
- the reaction product of the epoxy resin and the active ester compound has a larger molecular weight than the above-mentioned polybutylbenzyl ether, it is possible to introduce a crosslinked structure.
- the cured product of the resin composition of the present invention has high heat resistance, and also has improved glass transition temperature and decomposition starting point temperature. Furthermore, since it contains an epoxy resin having excellent adhesion to a base material such as a metal foil, the resin composition of the present invention exhibits excellent adhesion to a metal foil.
- the active ester compound is preferably an aromatic active ester compound represented by the following general formula (1).
- k represents an integer of 2 to 4,
- R 1 is a naphthyl group which may be substituted with at least one selected from the group consisting of rho, a logene atom and an alkyl group, or
- a halogen atom, an alkyl group and a phenyl group (the phenyl group may be substituted with a halogen atom and Z or an alkyl group);
- R 2 represents a divalent to tetravalent group containing 1 to 3 aromatic rings (the aromatic rings may be substituted with a halogen atom and Z or an alkyl group).
- R 2 contains a plurality of aromatic rings
- the plurality of aromatic rings form a condensed ring.
- the aromatic active ester compound as the active ester compound, not only the improvement of the dielectric constant and the reduction of the dielectric loss tangent in the frequency range of giga Hz become more remarkable, but also the aromatic compound. Due to the presence of the ring, the heat resistance, the glass transition temperature and the decomposition starting point temperature are further improved.
- the dielectric ceramic powder is selected from the group consisting of magnesium, silicon, aluminum, titanium, zinc, calcium, stonium, zirconium, barium, tin, neodymium, bismuth, lithium, summary, and tantalum.
- the above dielectric constant and Q value are values in the giga-Hz band.
- the giga-Hz band refers to a frequency band of 10 OMHz to 10 GHz.
- the content of the dielectric ceramic powder is preferably 5 to 185 parts by volume with respect to the total of 100 parts by volume of the epoxy resin and the active ester compound.
- the resin composition of the present invention further contains a polyarylate, and the polyarylate is represented by one XY composed of a structural unit X and a structural unit Y.
- the repeating unit is formed by repeating a plurality of units (each of the plurality of structural units X and structural units Y may be the same or different), and the structural unit is represented by the following formula (2).
- a phthaloyl group, isophthaloyl group or terephthaloyl group represented (the number of moles of the terephthaloyl group in the total number of moles of the phthaloyl group, the isophthaloyl group and the terephthaloyl group is less than 40 mol%), and the above structural unit Y is preferably a divalent group represented by the following general formula (3).
- R 11 and R 12 are each independently an alkyl group having 1 to 4 carbon atoms, an alkoxy group or a halogen atom, and Z is a single bond, an ether bond, a thioether bond, or a sulfone.
- a bond or a carbonyl bond, p and q each independently represent an integer of 0-4.
- the polyarylate in R u when R 12 and Z there are a plurality, R u, R 12 and Z may each be the same or different. It is particularly preferred that R 11 and R 12 are methyl groups and Z is a single bond.
- the content of the dielectric ceramic powder is 5 to 100 parts by volume in total of the epoxy resin, the active ester compound and the polyarylate. 1 85 parts by volume is preferred.
- the resin composition of the present invention may contain at least one additive selected from the group consisting of a coupling agent, a curing accelerator, a flame retardant, a flexibility-imparting agent, and an organic solvent.
- a force coupling agent it is preferable that at least a part of the coupling agent is bonded or adsorbed to the surface of the dielectric ceramic powder.
- the addition of the coupling agent allows the resin composition and its cured product to It can improve the wetting and interfacial adhesion of the dielectric ceramic powder, and the curing accelerator speeds up the curing reaction between the epoxy resin and the active ester compound.
- the flame retardancy can be improved by adding a flame retardant, and the handleability of the resin composition and its cured product can be improved by adding a flexibility imparting agent, and the brittleness of the cured product can be improved. Can provide toughness.
- the present invention also relates to a resin cured product obtained by partially completing a curing reaction between an epoxy resin and an active ester compound in the above resin composition, and a resin cured product having a sheet shape.
- a sheet-shaped resin composition comprising:
- the cured resin sheet can have a thickness of 5 to 200 / zm, and a metal foil can be bonded to one or both surfaces of the cured resin sheet to form a laminate. Since the cured resin is a so-called ⁇ -stage resin in which the curing reaction between the epoxy resin and the active ester compound is partially completed, it can be used as a pre-preda.
- the present invention further provides, in the above resin composition, a cured resin obtained by completing a curing reaction between an epoxy resin and an active ester compound, and a sheet formed from the cured resin in a sheet shape. And a resin composition.
- the cured resin sheet can have a thickness of 5 to 1000 ⁇ , and a metal foil can be bonded to one or both surfaces of the cured resin sheet to form a laminate.
- the cured resin shows a high dielectric constant and a low dielectric loss tangent in the gigahertz frequency range, and its dielectric properties are hardly affected by temperature and humidity. In addition, it shows high heat resistance, glass transition temperature and decomposition starting temperature. In the laminate, the adhesiveness between the cured resin sheet and the metal foil is particularly good.
- the present invention comprises reacting a compound having a phenolic hydroxyl group and a compound having two or more groups that react with the phenolic hydroxyl group to form an ester bond.
- a pre-preda which is obtained by semi-curing a resin composition containing an active ester compound, an epoxy resin, a curable mixture comprising the same, and a dielectric ceramic powder and reinforcing fibers disposed in the curable mixture.
- the present invention also relates to a prepreg comprising a reinforced fiber woven fabric obtained by weaving reinforced fibers and resin layers formed on both surfaces of the reinforced fiber woven fabric, wherein the resin layer has a fuynol property.
- a curable mixture comprising a compound having a hydroxyl group and a compound having two or more groups capable of forming an ester bond by reacting with the phenolic hydroxyl group; an epoxy resin; and a curable mixture comprising:
- a pre-reader that is a resin layer obtained by semi-curing a resin composition containing: a dielectric ceramic powder disposed in the resin composition;
- the resin layer preferably has a thickness of 5 to 100 ⁇
- the reinforcing fiber fabric preferably has a thickness of 20 to 300 ⁇ .
- the oxy resin and the active ester compound constitute a curable mixture. That is, the epoxy resin reacts with the active ester compound (curing reaction) to produce a reaction product having a high molecular weight.
- the above reaction product has a low dielectric constant and a low dielectric tangent, and since the dielectric ceramic powder is dispersed in the reaction product and the reinforcing fibers are arranged, the cured product of the prepreg is entirely As a result, a high dielectric constant and a low dielectric loss tangent are exhibited in a frequency range of giga- ⁇ .
- the active ester compound is used for curing the epoxy resin, no hydroxyl group is generated due to ring opening of the epoxy group during the curing reaction, and the dielectric properties are less affected by temperature and humidity.
- the reaction product of the epoxy resin and the active ester compound has a larger molecular weight than the above-mentioned polyvinyl benzyl ether, and it is possible to introduce a crosslinked structure
- the cured product of the prepredder of the invention exhibits high heat resistance and also has an improved glass transition temperature.
- the epoxy resin contains an epoxy resin having excellent adhesion to a base material such as a metal foil, the pre-preda of the present invention exhibits excellent adhesion to a metal foil.
- the active ester compound is preferably an aromatic active ester compound represented by the following general formula (1). ⁇ C-- O ⁇ . 1 (1)
- k represents an integer of 2 to 4,
- R 1 is a naphthyl group optionally substituted with at least one selected from the group consisting of a halogen atom and an alkyl group, or
- a phenyl group which may be substituted with at least one selected from the group consisting of a halogen atom, an alkyl group and a phenyl group (the phenyl group may be substituted with a halogen atom and / or an alkyl group); Show,
- R 2 represents a divalent to tetravalent group containing 1 to 3 aromatic rings (the aromatic rings may be substituted with a halogen atom and / or an alkyl group).
- R 2 contains a plurality of aromatic rings
- the plurality of aromatic rings are selected from the group consisting of a force forming a condensed ring, an ether bond, a thioether bond, a sulfone bond, a carbonyl group, and a single bond. Joined by at least one bond.
- the dielectric ceramic powder is at least selected from the group consisting of magnesium, silicon, aluminum, titanium, zinc, canoledium, strontium, dinoreconium, barium, tin, neodymium, bismuth, lithium, samarium and tantalum.
- a metal oxide powder containing one metal, having a dielectric constant of 3.7 to 300, and a metal oxide powder having a ternary value of 500 to 100,000 The permittivity and the Q value are values in the giga-Hz band, and the giga-Hz band in the present invention refers to a frequency band of 100 MHz to 10 GHz.
- the content of the dielectric ceramic powder is 10% in total of the epoxy resin and the active ester compound.
- the dielectric ceramic powder By using the dielectric ceramic powder, and by setting the content of the dielectric ceramic powder within the above range, the degree of improvement of the dielectric constant and reduction of the dielectric loss tangent can be improved. And the viscosity of the prepreg can be made suitable for handling.
- the resin composition in the pre-preda of the present invention preferably further contains a polyarylate, and the polyarylate is represented by one X-Y- composed of a structural unit X and a structural unit Y. Is a repetition of a repeating unit
- the structural unit X is a phthaloyl group, an isophthaloyl group or a terephthaloyl group represented by the following formula (2).
- the number of moles of the terephthaloyl group in the total number of moles of the phthaloyl group, the isophthaloyl group and the terephthaloyl group is less than 40 mol%.
- the structural unit Y is represented by the following general formula (3). It is preferably a divalent group.
- R 11 and R 12 are each independently an alkyl group having 1 to 4 carbon atoms, an alkoxy group or a halogen atom, and Z is a single bond, an ether bond, a thioether bond, or a sulfone.
- a bond or a carbonyl bond, J) and q each independently represent an integer of 0-4.
- R "in the polyarylate, when R 12 and Z there are a plurality, R u, R 12 and Z may be each the same or different.
- R 11 and R 12 is a methyl group And Z are particularly preferably single bonds.
- the content of the dielectric ceramic powder is based on 100 parts by volume of epoxy resin, active ester compound and polyarylate in total. , 5 to 100 parts by volume are preferred.
- the dielectric constant is further improved and the dielectric loss tangent is further reduced.
- the viscosity of the pre-preda will be suitable for handling.
- the resin composition may contain at least one additive selected from the group consisting of a coupling agent, a curing accelerator, a flame retardant, and a flexibility-imparting agent.
- a coupling agent selected from the group consisting of a coupling agent, a curing accelerator, a flame retardant, and a flexibility-imparting agent.
- the addition of the coupling agent can improve the wetting of the dielectric ceramic powder and the interfacial adhesion in the pre-preda and the cured product thereof, and the curing accelerator is a compound of the epoxy resin and the active ester compound. Speed up the curing reaction.
- the addition of a flame retardant can improve the flame retardancy, and the addition of a flexibility-imparting agent can improve the handleability of the pre-preda and its cured product, while improving the brittleness of the cured product and improving its toughness. Can be given.
- the reinforcing fiber may be at least one reinforcing fiber selected from the group consisting of E glass fiber, D glass fiber, NE glass fiber, H glass fiber, T glass fiber, and aramide fiber. preferable. This is because such reinforcing fibers are excellent in dispersibility in the resin composition and can improve the strength of the cured prepreg.
- the present invention also provides a cured sheet-like resin which is in the form of a sheet and is composed of a cured product of the above pre-preda.
- the cured sheet-like resin can have a thickness of 30 to 1000 ⁇ , and the sheet-like cured resin can be coated on one or both sides with gold.
- the metal foils may be joined to form a laminate.
- the cured resin sheet has a high dielectric constant and a low dielectric loss tangent in the frequency range of gigaHz, and its dielectric properties are hardly affected by temperature and humidity. In addition, it shows high heat resistance and glass transition temperature. And in the said laminated body, the adhesiveness of a sheet-shaped resin cured material and a metal foil is especially favorable.
- the present inventors have continued their intensive development, particularly focusing on the material of the composite dielectric layer that constitutes the electronic component, and as a result, have included a specific cured resin.
- the present inventors have found that the above problems can be solved by adding a dielectric ceramic powder to an organic insulating material, and have completed the present invention.
- the present invention relates to a composite dielectric material comprising at least one composite dielectric layer containing an organic insulating material, and a dielectric ceramic powder having a higher dielectric constant than the organic insulating material.
- the present invention provides at least one composite dielectric layer containing an organic insulating material and a dielectric ceramic powder having a relative dielectric constant larger than that of the organic insulating material, and at least one of the composite dielectric layers provided in the composite dielectric layer.
- the organic insulating material includes an epoxy resin and two or more carboxyl groups. It may be characterized by including a cured resin obtained by curing a compound having a phenolic hydroxyl group and a compound having a phenolic hydroxyl group.
- the active ester compound is obtained by reacting a compound having a phenolic hydroxyl group with a compound having two or more groups that react with the phenolic hydroxyl group to form an ester bond. It may be.
- the group that reacts with the phenolic hydroxyl group to form an ester bond include a carboxyl group and a haloformyl group (e.g., a black-formyl group).
- the dielectric ceramic powder has a higher dielectric constant than the organic insulating material containing the cured resin, and the organic insulating material has a low dielectric loss tangent.
- the composite dielectric layer shows a high dielectric constant and a low dielectric loss tangent. For this reason, transmission loss in the electronic component is reduced, and the electronic component can be reduced in size and weight. Further, even if the device is used at a high temperature of 100 ° C. or more for a long time, the change with time of the relative dielectric constant in a high-frequency region of 100 MHz or more can be sufficiently reduced. Furthermore, according to this electronic component, the bending strength is increased, so that the handling of the electronic component is improved, and the loss or deformation of the electronic component can be sufficiently prevented.
- the active ester compound in the electronic component is preferably an aromatic active ester compound represented by the following general formula (1).
- R 1 is a naphthyl group optionally substituted with at least one selected from the group consisting of a halogen atom and an alkyl group, or a halogen atom, an alkyl group and phenyl group (said Fueeru group halogen atom and Z an alkyl group may be substituted.) showed good Fueeru group, optionally substituted with at least one selected from the group consisting of, R 2 is And a divalent to tetravalent group containing 1 to 3 aromatic rings (the aromatic rings may be substituted with a halogen atom and Z or an alkyl group).
- R 2 contains a plurality of aromatic rings
- the plurality of aromatic rings form a condensed ring or are selected from the group consisting of an ether bond, a thioether bond, a sulfone bond, a carbonyl compound, and a single bond. At least one bond.
- the dielectric ceramic powder may be magnesium, silicon, aluminum, titanium, zinc, calcium, strontium, dinoreconium, barium, tin, neodymium, bismuth, lithium, samarium, and tantalum.
- the relative dielectric constant and the Q value are values in a giga-Hz band.
- the giga-Hz band refers to a frequency band of 10 OMHz to 10 GHz.
- the dielectric constant is improved and the dielectric loss tangent is reduced. Can be improved.
- the resin cured product is obtained by causing a curing reaction between the epoxy resin and the active ester compound in the presence of an additive, wherein the additive comprises a curing accelerator, a surface treatment agent, and a flame retardant. And at least one additive selected from the group consisting of:
- the curing accelerator speeds up the curing reaction between the epoxy resin and the active ester compound.
- the addition of the surface treatment agent can improve the wetting of the dielectric ceramic powder in the cured resin and the interfacial adhesion.
- the addition of a flame retardant can improve the flame retardancy
- the addition of a flexibility-imparting agent can improve the handleability of the cured resin and improve the brittleness of the cured resin to impart toughness. it can.
- the organic insulating material further includes polyarylate. In this case, the flexibility and flexibility in the B-stage state are increased, and the handling is improved.
- the above polyarylate is composed of a structural unit X and a structural unit Y A plurality of repeating units represented by a given X—Y— (each of the plurality of the structural units X and the structural unit ⁇ may be the same or different);
- the unit X is a phthaloyl group, an isophthaloyl group or a terephthaloyl group represented by the following formula (2) (the number of moles of the terephthaloyl group in the total number of monoles of the phthaloyl group, the isophthaloyl group and the terephthalone group) is Less than 40 mol%).
- the structural unit ⁇ ⁇ is preferably a divalent group represented by the following general formula (3).
- R 11 and R 12 are each independently an alkyl group, an alkoxy group or a halogen atom having 1 to 4 carbon atoms, ⁇ is a single bond, an ether bond, a thioether bond, a sulfon bond or a carbonyl bond, and q independently represents an integer of 0 to 4;
- the polyarylene rate in R u, when R 12 and Z there are a plurality, R u, R 12 and Z may each be the same or different.
- R 11 and R 12 are a methyl group, and Z is a single bond.
- toughness can be added particularly to the pre-preda, and the handling property is improved.
- the composite dielectric layer preferably further includes a magnetic powder dispersed in the organic insulating material.
- magnetic properties can be added to the composite dielectric layer by the magnetic powder, the coefficient of linear expansion is reduced, and the material strength is improved.
- the composite dielectric layer further includes a cloth made of a reinforcing fiber.
- the bending strength of the composite dielectric layer is enhanced by the cloth made of the reinforcing fibers. Therefore, deformation and loss of the electronic component are sufficiently prevented.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that the above-mentioned problems can be solved by using a multilayer substrate and electronic components having the following configurations.
- the present invention has been completed.
- the present invention is configured by laminating at least one first dielectric layer containing a resin, at least one second dielectric layer containing a resin, and at least one conductor layer.
- a multilayer wherein the dielectric loss tangent ta ⁇ ⁇ of the second dielectric layer is 0.01 or less and the critical deflection of the first dielectric layer is 1.3 times or more of the second dielectric layer.
- a substrate and an electronic component are included in the present invention.
- the critical deflection of the first dielectric layer is 1.3 times or more that of the second dielectric layer, and the dielectric loss tangent of the second dielectric layer is ta ⁇ ⁇ is less than 0.01. That is, the multilayer substrate and the electronic component of the present invention include a dielectric layer having excellent mechanical strength and a dielectric layer having excellent electrical characteristics. For this reason, even if an excessive load is applied after commercialization, it is possible to sufficiently prevent the occurrence of defects in the multilayer substrate or the electronic component while maintaining good electrical characteristics.
- the second dielectric layer may further include a ceramic powder having a higher dielectric constant than the resin. In this case, even if a resin with a small dielectric constant is used, Good electrical characteristics can be maintained.
- the multilayer substrate and the electronic component have two outermost layers, at least one of the two outermost layers is formed of the first dielectric layer, and the at least one of the two outermost layers is provided between the two outermost layers.
- one second dielectric layer is arranged. In this case, even if an excessive load is applied to the multilayer substrate or the electronic component, it is possible to more sufficiently prevent the multilayer substrate or the electronic component from being damaged.
- the peel strength of the first dielectric layer is 1.5 times or more the peel strength of the second dielectric layer. In this case, even if an excessive load is applied after commercialization, it is possible to more sufficiently prevent the occurrence of defects in the multilayer substrate or the electronic component while maintaining good electrical characteristics.
- the present invention also relates to two first dielectric layers including a resin, and at least one second dielectric layer including a resin disposed between the two first dielectric layers. At least one conductor layer is laminated, at least one of the two first dielectric layers constitutes an outermost layer, and the dielectric tangent ta ⁇ ⁇ of the second dielectric layer is 0. 0.1 or less, and the peel strength of the first dielectric layer is 1.5 times or more the peel strength of the second dielectric layer. According to the multilayer substrate and the electronic component, the peel strength is 1.5 times or more the peel strength of the second dielectric layer, and the dielectric loss tangent ta ⁇ of the second dielectric layer is 0.5. 0 1 or less.
- the multilayer substrate and the electronic component of the present invention include a dielectric layer having excellent mechanical strength and a dielectric layer having excellent electrical characteristics. For this reason, even if an excessive load is applied after commercialization, it is possible to sufficiently prevent the occurrence of defects in the multilayer substrate or the electronic component while maintaining good electrical characteristics.
- the peel strength of the first dielectric layer is preferably 8 N / cm or more. In this case, compared to the case where the peel strength of the first dielectric layer is less than 8 NZ cm, The fixing strength and the peeling strength, and the electrode strength of the multilayer substrate and the electronic component are further improved. .
- the present invention is also an electronic component including the above-described multilayer substrate and an electric element provided on the multilayer substrate. Even in this case, since the multilayer substrate includes a dielectric layer having excellent mechanical strength and a dielectric layer having excellent electrical characteristics, even if an excessive load is applied to electronic components after commercialization, It is possible to sufficiently prevent the occurrence of defects in the multilayer substrate or electronic component while maintaining good electrical characteristics.
- the limit deflection is defined as a rectangular flat plate-shaped first dielectric having a length of 100 mm, a width of 75 mm, and a thickness of 0.6 mm.
- the first or second dielectric layer laminated with a 12 m thick Cu foil is bent by weight, the first or second dielectric layer ruptures, or It refers to the amount of flexure when a defect (crack) occurs in the first dielectric layer or the second dielectric layer.
- the flexure is measured by three-point bending (the bending strength described in JISC 6481). This is the amount of deflection obtained by the measurement in accordance with the test method of the above).
- the peel strength refers to the peel strength defined in JIS C 6481.
- FIG. 1A is a cross-sectional view showing one embodiment of the resin composition of the present invention.
- FIG. 1B is a cross-sectional view showing the first embodiment of the sheet-shaped resin cured product of the present invention.
- FIG. 1C is a cross-sectional view showing a first embodiment of the laminate of the present invention.
- FIG. 1D is a cross-sectional view showing one embodiment of a pre-preda of the present invention.
- FIG. 1E is a cross-sectional view showing a second embodiment of the cured resin sheet according to the present invention.
- Figure IF is a cross-sectional view showing a second embodiment of the laminate of the present invention.
- FIG. 1G is a perspective view showing an inductor which is a first embodiment of the electronic component of the present invention.
- FIG. 2 is a sectional view showing an inductor which is a first embodiment of the electronic component of the present invention.
- FIG. 3 is a perspective view showing an inductor, which is a second embodiment of the electronic component of the present invention.
- FIG. 4 is a sectional view showing an inductor which is a second embodiment of the electronic component of the present invention.
- FIG. 5 is a transparent perspective view showing an inductor which is a third embodiment of the electronic component of the present invention.
- FIG. 6 is a sectional view showing an inductor which is a third embodiment of the electronic component of the present invention.
- FIG. 7 is a perspective view showing an inductor, which is a fourth embodiment of the electronic component of the present invention.
- FIG. 8 is a cross-sectional view illustrating an inductor that is a fourth embodiment of the electronic component of the present invention.
- FIG. 9 is a perspective view showing an inductor, which is a fifth embodiment of the electronic component of the present invention.
- Fig. 10 is an equivalent circuit diagram showing an inductor according to the first and fifth embodiments of the electronic component of the present invention.
- FIG. 11 is a perspective view showing a capacitor which is a sixth embodiment of the electronic component of the present invention.
- Fig. 12 is a cross-sectional view showing a capacitor that is a sixth embodiment of the electronic component of the present invention.
- Fig. 13 is a perspective view showing a capacitor as a seventh embodiment of the electronic component of the present invention.
- FIG. 14 is an equivalent circuit diagram showing a capacitor that is a seventh embodiment of the electronic component of the present invention.
- FIG. 15 is a perspective view showing a Balundrance, which is an eighth embodiment of the electronic component of the present invention.
- Fig. 16 is a cross-sectional view showing a Baltunance which is an eighth embodiment of the electronic component of the present invention.
- Fig. 17 is an exploded plan view of each constituent layer of a Baltuntrahs according to an eighth embodiment of the electronic component of the present invention.
- Fig. 18 is an equivalent circuit diagram showing Balundrance, which is an eighth embodiment of the electronic component of the present invention.
- FIG. 19 is a perspective view showing a multilayer filter according to a ninth embodiment of the electronic component of the present invention.
- FIG. 20 is an exploded perspective view showing a multilayer filter according to a ninth embodiment of the electronic component of the present invention.
- ⁇ ' is an exploded perspective view showing a multilayer filter according to a ninth embodiment of the electronic component of the present invention.
- FIG. 21 is an equivalent circuit diagram illustrating a multilayer filter that is a ninth embodiment of the electronic component of the present invention.
- Fig. 22 is a graph showing the transfer characteristics of the multilayer filter according to the ninth embodiment of the electronic component of the present invention.
- FIG. 23 is a perspective view showing a multilayer filter that is a tenth embodiment of the electronic component of the present invention.
- Fig. 24 is an exploded perspective view showing a multilayer filter according to a tenth embodiment of the electronic component of the present invention.
- FIG. 25 is an equivalent circuit diagram showing a multilayer filter according to a tenth embodiment of the electronic component of the present invention.
- FIG. 26 is a graph showing the transfer characteristics of the multilayer filter according to the tenth embodiment of the electronic component of the present invention.
- Fig. 27 is a perspective view showing a block filter which is the eleventh embodiment of the electronic component of the present invention.
- Fig. 28 is a front sectional view showing a block filter which is a first embodiment of the electronic component of the present invention.
- Fig. 29 is a side sectional view showing a block filter which is a first embodiment of the electronic component of the present invention.
- FIG. 30 is a plan cross-sectional view showing a block filter which is a first embodiment of the electronic component of the present invention.
- FIG. 31 is an equivalent circuit diagram of a block filter which is a first embodiment of the electronic component of the present invention.
- FIG. 32 is a schematic sectional view showing a mold for producing a block filter which is a first embodiment of the electronic component of the present invention.
- FIG. 33 is a perspective view showing a force bra that is the 12th embodiment of the electronic component of the present invention.
- FIG. 34 is a cross-sectional view showing a power plug that is a 12th embodiment of the electronic component of the present invention.
- FIG. 35 is an exploded perspective view of each component layer of a power brass, which is the electronic component according to the 12th embodiment of the present invention.
- FIG. 36 is an internal connection diagram of a force bra that is a 12th embodiment of the electronic component of the present invention.
- FIG. 37 is an equivalent circuit diagram of a force bra, which is a 12th embodiment of the electronic component of the present invention.
- FIG. 38 is a transparent perspective view showing an antenna which is a thirteenth embodiment of the electronic component according to the present invention.
- FIG. 39 is a diagram showing an antenna which is a thirteenth embodiment of the electronic component of the present invention, wherein (a) is a plan view, (b) is a side sectional view, and (c) is a side view. It is a front sectional view.
- FIG. 40 is an exploded perspective view of each constituent layer of an antenna which is a thirteenth embodiment of the electronic component of the present invention.
- FIG. 41 is a transparent perspective view showing an antenna that is a fourteenth embodiment of the electronic component of the present invention.
- Fig. 42 is an exploded perspective view showing an antenna that is a fourteenth embodiment of the electronic component of the present invention.
- FIG. 43 is a perspective view showing a patch antenna according to a fifteenth embodiment of the electronic component of the present invention.
- FIG. 44 is a cross-sectional view illustrating a patch antenna that is a fifteenth embodiment of the electronic component of the present invention.
- FIG. 45 is a perspective view showing a patch antenna according to a sixteenth embodiment of the electronic component of the present invention.
- FIG. 46 is a sectional view showing a patch antenna according to a sixteenth embodiment of the electronic component of the present invention.
- Fig. 47 is a perspective view showing a patch antenna as a seventeenth embodiment of the electronic component of the present invention.
- FIG. 48 is a sectional view showing a patch antenna according to a seventeenth embodiment of the electronic component of the present invention.
- Fig. 49 is a perspective view showing a patch antenna as an eighteenth embodiment of the electronic component of the present invention.
- FIG. 50 is a cross-sectional view illustrating a patch antenna that is an eighteenth embodiment of the electronic component of the present invention.
- FIG. 51 is a perspective view showing a VCO that is a nineteenth embodiment of the electronic component of the present invention.
- Fig. 52 is a cross-sectional view showing VCO which is a nineteenth embodiment of the electronic component of the present invention.
- FIG. 53 is an equivalent circuit diagram showing a VCO that is a ninth embodiment of the electronic component of the present invention.
- Fig. 54 is an exploded perspective view of each constituent layer of a power amplifier that is a twentieth embodiment of the electronic component of the present invention.
- FIG. 55 is a sectional view showing a power amplifier according to a twentieth embodiment of the electronic component of the present invention.
- FIG. 56 is an equivalent circuit diagram showing a power amplifier according to a twentieth embodiment of the electronic component of the present invention.
- FIG. 57 is an exploded plan view of each component layer of the superimposition module that is the twenty-first embodiment of the electronic component of the present invention.
- FIG. 58 is a cross-sectional view illustrating a superimposed module as a twenty-first embodiment of the electronic component of the present invention.
- Fig. 59 is an equivalent circuit diagram illustrating a superimposed module that is a twenty-first embodiment of the electronic component of the present invention.
- FIG. 60 is a perspective view showing an RF module that is a twenty-second embodiment of the electronic component of the present invention.
- FIG. 61 is a perspective view of the RF module with the exterior member of FIG. 60 removed.
- FIG. 62 is an exploded perspective view of each component layer of an RF module according to a twenty-second embodiment of the electronic component of the present invention.
- Fig. 63 is a cross-sectional view illustrating an RF module that is a twenty-second embodiment of the electronic component of the present invention.
- Fig. 64 is a transparent perspective view showing a resonator that is a twenty-third embodiment of the electronic component of the present invention.
- FIG. 65 is a cross-sectional view illustrating a resonator that is a twenty-third embodiment of the electronic component of the present invention.
- FIG. 66 is a transparent perspective view showing a resonator that is a twenty-fourth embodiment of the electronic component of the present invention.
- FIG. 67 is a cross-sectional view illustrating a resonator that is a twenty-fourth embodiment of the electronic component of the present invention.
- Fig. 68 is a transparent perspective view showing a resonator that is a twenty-fifth embodiment of the electronic component of the present invention.
- Fig. 69 is a transparent perspective view showing a resonator that is a twenty-sixth embodiment of the electronic component of the present invention.
- FIG. 70 is an equivalent circuit diagram of a resonator that is the twenty-third to twenty-sixth embodiments of the electronic component according to the present invention.
- FIG. 71 is a block diagram showing a high-frequency portion of a portable terminal device according to a twenty-seventh embodiment of the electronic component of the present invention.
- FIG. 72 is a flowchart showing an example of forming a substrate with a copper foil.
- FIG. 73 is a process chart showing an example of forming a substrate with a copper foil.
- FIG. 74 is a flowchart showing an example of forming a multilayer substrate.
- FIG. 75 is a process chart showing an example of forming a multilayer substrate.
- FIG. 76 is a partial sectional view showing an electronic component according to a twenty-eighth embodiment of the present invention.
- FIG. 77 is a perspective view showing a capacitor (capacitor) as an electronic component according to a twenty-ninth embodiment of the present invention.
- FIG. 78 is a partial cross-sectional view showing a capacitor (condenser) according to a twenty-ninth embodiment of the electronic component of the present invention.
- FIG. 79 is a transparent perspective view showing an inductor which is a thirtieth embodiment of the electronic component according to the present invention.
- Fig. 80 is a partial cross-sectional view showing an inductor as a thirtieth embodiment of the electronic component of the present invention.
- Fig. 81 is a diagram showing an increase in dielectric constant over time when a cured product of the resin composition is heated at i 25 ° C.
- FIG. 82 is a partial cross-sectional view illustrating the electronic component according to the thirteenth embodiment.
- FIG. 1A is a cross-sectional view showing one embodiment of the resin composition of the present invention.
- the resin composition 18 includes a curable mixture 19 and a dielectric ceramic powder 3 disposed in the curable mixture 19.
- the curable mixture 19 comprises an active ester compound obtained by reacting a compound having a phenolic hydroxyl group and a compound having two or more groups that form an ester bond by reacting with the phenolic hydroxyl group, It consists of epoxy resin.
- the epoxy resin constituting the curable mixture 19 may be a compound having one or more epoxy groups, but from the viewpoint of molecular weight and the degree of crosslinking, a compound having two or more epoxy groups may be used. preferable. '
- the epoxy resins include cresol novolak epoxy resin, phenol novolak epoxy resin, naphthol-modified novolak epoxy resin, bisphenol A epoxy resin, bisphenol F epoxy resin, and biphenyl epoxy resin.
- Resin phenolic dalcidyl ether type epoxy resin such as trifle type epoxy resin; alcoholic glycidyl ether type epoxy resin such as polypropylene dalicol glycidyl ether, hydrogenated bisphenol A type epoxy resin; Dicyclopentane-type epoxy resin having a skeleton; naphthalene-type epoxy resin having a naphthalene skeleton; dihydroxybenzopyran-type epoxy resin; dihydroxydinaphthalene-type epoxy resin; Glycidyl ester type epoxy resin using acid dimer acid etc.
- the active ester compound constituting the curable mixture 19 is a compound which reacts with the above epoxy resin to give a cured product of an epoxy resin through, for example, the following reaction scheme.
- examples of the group that reacts with the phenolic hydroxyl group to form an ester bond include a hepoxyl group and a haloformyl group (such as a chloroformyl group).
- the compound represented by the following general formula (a) corresponds to an epoxy resin
- R 115 represents a divalent organic group
- the compound represented by the following general formula (b) is an active ester compound.
- R 1 and R 2 are as defined above.
- the compound represented by the following general formula (c) is a reaction product (cured product) generated by the reaction of both compounds.
- the following reaction scheme shows a typical reaction example when 1 mol of the compound represented by (b) is reacted with 2 mol of the compound represented by (a).
- the epoxy group in the epoxy resin and the ester bond in the active ester compound contribute to the reaction in a 1: 1 ratio.
- an aromatic active ester compound represented by the general formula (1) is preferable.
- R 1 in the general formula (1) any of the following groups is particularly preferable.
- a and B each shows a halogen atom or an alkyl group independently, is an integer of 0 to 5, m 2 is an integer of 0 to 4, m 3 is 0-3 integer, Are shown.
- R 2 is either the following groups are particularly preferred.
- R 2 is preferably the following group
- R 2 is preferably one of the following groups.
- D, E and G each independently represent a halogen atom or an alkyl group
- T represents an ether bond (-o-), a thioether bond (_s-), a sulfone bond (- S0 2 —) or carbonyl bond (one CO—).
- n 2 and n 3 are each independently of 0-4 integer
- n 4 and n 5 are integers each independently 0 to 3
- n 6 is an integer of 0 to 2, respectively.
- a known synthesis method such as an acetic anhydride method, an interface method, or a direct method can be employed.
- a compound having a phenolic hydroxyl group hereinafter referred to as a “phenolic compound”
- a compound having two or more carboxyl groups hereinafter, this compound is referred to as “polycarboxylic acid”
- a deacetic acid reaction to obtain an active ester compound.
- Acetic anhydride is preferably used in an amount of at least equimolar to the phenolic hydroxyl group for the purpose of performing sufficient acetylation.
- an organic phase containing an acid chloride of a polycarboxylic acid is brought into contact with an aqueous phase containing a fuynol-based compound to obtain an active ester compound.
- a solvent used for the organic phase a water-insoluble solvent that dissolves an acid chloride of a polycarboxylic acid is used, and for example, toluene, hexane, and the like are preferable.
- Examples of the polyvalent carboxylic acid used for the synthesis of the active ester compound include aliphatic polyvalent carboxylic acids and aromatic polyvalent carboxylic acids.
- an aliphatic polycarboxylic acid is used as the polyvalent carboxylic acid, the compatibility with the epoxy resin can be improved, and when an aromatic polycarboxylic acid is used, the resin composition 1 It is possible to improve the heat resistance of the cured product of No. 8 and thus the composite dielectric layer used for the electronic component described later.
- Aliphatic polycarboxylic acids include malonic acid, succinic acid, glutaric acid, adipic acid, sebacic acid, fumaric acid, maleic acid, itaconic acid, acotic acid, and tricarboxylic acid.
- 1,2,3,4-butanetetracarboxylic acid 4-methyl-1-hexene-1,2-dicanoleponic acid, 1,2,3,4-cyclopentanetetracarboxylic acid, 5--( 2,5-Dioxotetrahydro 3-furanyl) Saturated or unsaturated aliphatic polycarboxylic acids such as 1,3-dicarboxylic anhydride and 1,2-dicarboxylic anhydride, or anhydrides or acid chlorides thereof.
- aromatic polycarboxylic acids examples include benzoic acids such as benzoic acid, methylbenzoic acid, dimethylbenzoic acid, and trimethylbenzoic acid; naphthoic acids such as 1-naphthoic acid and 2-naphthoic acid; Benzene such as acid, isophthalic acid and terephthalic acid Tricarboxylic acid or its acid anhydride or acid chloride such as sendicarboxylic acid or its acid anhydride or acid chloride, trimellitic acid, trimesic acid, pyromellitic acid or 3, 3 ', 4, 4, 1-biphenyl Tetracarboxylic acid such as lentetracarboxylic acid or its anhydride, naphthalenedicarboxylic acid such as 1,4-naphthalenedicarboxylic acid, 2,6-naphthalenedicarboxylic acid, 2,3-naphthalenedicarboxylic acid, or its anhydride And 3,3 ′, 4,
- phenolic compound used as a raw material of the active ester compound from the viewpoint of heat resistance and reactivity in the curing reaction of the resin composition 18 or the cured product of the prepreg 6 described later, one aromatic ring is used. Phenolic compounds having up to three are preferred.
- Examples of the aromatic compound having a phenolic hydroxyl group include phenols such as phenol, cresonole, and xylenole; benzenedioles such as hydroquinone, resonoresin, catecholone, and methylhydroquinone; and benzenes such as phlorognoresin.
- Naphthols such as naphthol and ⁇ -naphthol, naphthalene dienoles, ⁇ -pheninolephenenoles, 2,2,1-dihydroxybiphenyl and 2,2 ', 4,4-tetramethylbi
- Examples include biphenols such as phenol, and 2,2 ', 4,4-tetrahydroxybenzophenone.
- the dielectric ceramic powder 3 is a reaction product of the epoxy resin and the active ester compound and an optional additive component in a high-frequency region of 10% or more (preferably in the gigahertz band).
- a dielectric ceramic powder having a dielectric constant and a Q value (reciprocal of the dielectric loss tangent) larger than that of polyarylate is preferable, and one or more kinds can be used.
- Examples of the dielectric ceramic powder 3 include magnesium, silicon, Examples include metal oxide powders containing at least one metal selected from the group consisting of aluminum, titanium, zinc, calcium, strontium, zirconium, barium, tin, neodymium, bismuth, lithium, samarium, and tantalum.
- the dielectric ceramic powder 3 is a metal oxide powder having a relative dielectric constant of 3.7 to 300 and a Q value of 500 to L; It is preferably an oxide powder.
- the relative permittivity of the metal oxide powder is less than 3.7, the relative permittivity of the composite dielectric layer in the electronic component described later cannot be increased, and the size of the electronic component can be reduced. However, weight reduction tends to be difficult.
- the relative permittivity of the metal oxide powder exceeds 300 or the Q value is less than 500, the electronic components tend to generate excessive heat when used, and the transmission loss tends to decrease.
- the dielectric ceramic powder 3 is usually composed of a single crystal or polycrystal.
- the above ⁇ value and Q value were measured in the giga ⁇ band by the dielectric resonator method.
- the reason that the high Q ⁇ one ⁇ is larger than the cured product 2 to be described later Ti0 2, CaTi0 3, SrTi0 3, BaO_Nd 2 0 3 - Ti0 2 system , BaO- CaO- Nd 2 0 3 _Ti0 2 system, BaO_SrO- Nd 2 0 3 _Ti0 2 system, BaO- Sm 2 0 3 - Ti0 2, BaTi 4 0 9, Ba 2 Ti 9 0 20, Ba 2 (Ti, Sn) 9 0 2.
- MgO-Ti0 2 system MgO-Ti0 2 system, ZnO- Ti0 2 system, MgO - Si0 2 system, which is a dielectric ceramic powder based on the composition of the A1 2 0 3.
- the dielectric ceramic powder containing the above component as a main component may be used alone or in combination of two or more.
- the average particle size of the dielectric ceramic powder 3 is preferably from 0.01 to 100 ⁇ , more preferably from 0.2 to 20 zm. If the average particle size is less than 0.1 ⁇ , the viscosity of the resin composition 18 or the prepreg 6 described below may increase or the fluidity may decrease, resulting in a cured sheet resin exhibiting adhesiveness. It tends to be difficult to use. On the other hand, when the average particle size exceeds 100 / m, there is a possibility that a problem such as sedimentation of the dielectric ceramic powder 3 at the time of producing the resin composition 18 or the pre-preda 6 described later may occur.
- the resin composition 18 preferably further contains polyarylate.
- polyarylate aromatic polyester
- the polyarylate is composed of a repeating X-Y- Those having a low unit are more preferable, and those having a low dielectric constant and a low dielectric loss tangent are particularly preferable.
- Polyarylate can be obtained by an interfacial polymerization method or a solution polymerization method. However, since a polyarylate having high purity and a low dielectric loss tangent can be obtained in a short time, a polyarylate obtained by an interfacial polymerization method is preferable.
- one or more halides of dicarboxylic acids selected from the group consisting of phthalic acid, isophthalic acid, and terephthalic acid are prepared by using an organic solvent solution and the following general formula (3a). It is preferable to obtain a polyarylate by contacting with the phenolate ion of the bivalent phenol compound shown to cause interfacial polycondensation.
- R u , R 12 , Z, p and q in the general formula (3a) are as defined above.
- the proportion of terephthalic acid haprogenated compound in dicarboxylic acid moieties must be 40 mol% or less.
- a dicarboxylic acid halide is dissolved in an organic solvent such as toluene or methylene chloride, and the above-mentioned divalent phenol is added to an aqueous solution of an alkali metal in an amount of 0.1 to 2 mol ZL each. More preferably, by contacting these two solutions with each other, the dicarboxylic acid halide and the divalent phenol are interfacially polymerized.
- phase transfer catalyst examples include ammonium salts such as methyltrioctylammonium chloride and benzyltriethylammonium chloride, and phosphonium salts such as tetratrapylphosphonium bromide.
- the polycondensation reaction system may be a batch system or a continuous system.
- the reaction temperature is preferably from 15 to 100 ° C and not higher than the boiling point of the organic solvent, and particularly preferably from ⁇ to 80 ° C.
- the compounding amount of the active ester compound is such that the ester equivalent is 0.3 to 4.0 times equivalent (more preferably 0.8 to 3.0 times equivalent) of the epoxy equivalent of the epoxy resin. preferable. If the ester equivalent of the active ester compound is less than 0.3 equivalent, the curing of the epoxy resin tends to be insufficient, and if it exceeds 4.0 equivalent, the epoxy resin and the active ester compound may be hardened. The dielectric constant of the reaction product does not tend to be sufficiently low.
- the amount of polyarylate is preferably 5 to 70 parts by weight based on 100 parts by weight of the total of the epoxy resin and the active ester compound. If the amount of the polyarylate is less than 5% by weight, the viscosity of the resin composition 18 may not be sufficiently increased despite the addition of the polyarylate, which may cause a problem in coatability. If the amount of the polyarylate exceeds 70 parts by weight, the fluidity of the resin composition 18 may be too low, and the adhesiveness or the like may be insufficient.
- the compounding amount of the dielectric ceramic powder 3 is 100 parts by volume in total of the epoxy resin and the active ester compound (if polyarylate is contained, the total is 100 parts by volume of the epoxy resin, the active ester compound and the polyarylate). On the other hand, it is preferably 5 to 185 parts by volume, and more preferably 10 to: L 50 parts by volume.
- the curable mixture 19 contained in the resin composition 18 contains at least one additive selected from the group consisting of a coupling agent, a curing accelerator, a flame retardant, a flexibility-imparting agent, and an organic solvent. Can be added.
- the coupling agent was added to the curable mixture 19 contained in the resin composition 18. By adding it, the adhesion between the dielectric ceramic powder 3 and the epoxy resin or the active ester compound or a reaction product thereof can be increased and water absorption can be suppressed.
- Suitable coupling agents include chlorosilane-based, alkoxysilane-based, organofunctional silane-based, silazane-based silane coupling agents, titanate-based coupling agents, and aluminum-based coupling agents.
- the coupling agents may be used alone or in combination of two or more depending on the required properties.
- heat resistance such as reflow is required, so that it is preferable to use an organofunctional silane-based or alkoxysilane-based coupling agent. .
- the coupling agent is bonded or adsorbed to the surface of the dielectric ceramic powder 3. That is, the coupling agent is preferably present at the interface between the dielectric ceramic powder 3 and the epoxy resin or the active ester compound or a reaction product thereof (or the curable mixture 19 or a cured product thereof). .
- the presence of the coupling agent at the interface can improve the wettability and adhesion at the interface, improve the material strength of the resin composition 18 or the cured product of the prepreg 6 described below, and improve the water absorption. Etc. can be suppressed.
- the amount of the coupling agent to be bonded or adsorbed to the dielectric ceramic powder 3 can be appropriately determined depending on the particle size and shape of the dielectric ceramic powder 3 to be used, the type of the force coupling agent to be added, and the like. However, the amount is preferably 0.1 to 5 parts by weight based on 100 parts by weight of the dielectric ceramic powder.
- Examples of the method of bonding or adsorbing the coupling agent to the dielectric ceramic powder 3 include a dry method, a wet method, a spray method, an integral blend method and the like.
- a general curing accelerator for epoxy resin can be used.
- Phosphonium salts such as ethylenoletriphenylphosphonium bromide and tetraphenolephosphonium tetraphenylporate; Trialkylamines such as triethylamine and tolbutylamine; 1,8 diazacyclo (5.4.0) —Family such as Ndesen 1 7 (B.DU) And salts of BDU with terephthalic acid and 2,6-naphthalene-potential olevonic acid; tetraethylammonium mouth lid, tetrapropylammonium mouth lid, tetrapropylammonium mouth lid, tetrabutylite Quaternary ammonium salts such as lanmonium bromide, tetrahexynoleammonium bromide, and benzinoletonolemethylammonium mouthride; 3-phenyl-1,1-dimethylurea, 3 _ (4 Urea, such as 1,1-
- the compounding amount of the curing accelerator is preferably 0.05 to 10.0 parts by weight based on 100 parts by weight of the epoxy resin and the active ester compound in total. If the amount of the curing accelerator is less than 0.05 parts by weight, the curing reaction is slow, and if it exceeds 10.0 parts by weight, the storage stability of the resin composition 18 is reduced, and the self-polymerization of the epoxy resin is reduced. May take precedence.
- the flame retardant is a resin a component 18 or a pre-preda 6 described later or its curing. It is preferable to add it to the curable mixture 19 when the product is applied to applications requiring flame retardancy.
- the types of flame retardants can be broadly classified into reactive flame retardants and additive flame retardants. Examples of the reactive flame retardant include brominated bisphenol type epoxy resin, brominated phenolic resin, and brominated phenol nopolak type epoxy resin, which are applied as main agents. Examples include chlorendic anhydride and tetrapromophthalic anhydride.
- examples of added flame retardants include halogen-based, phosphoric acid-based, nitrogen-based, metal salt-based, hydrated metal-based, and inorganic flame retardants.
- the flame retardants may be used alone or in combination of two or more.
- the compounding amount of the flame retardant is 100 parts by weight of the epoxy resin and the active ester compound in total (when the polyarylate is contained, the total amount of 100 parts by weight of the epoxy resin, the active ester compound and the polyarylate is 100 parts by weight) Parts by weight) is preferably 5 to 50 parts by weight.
- polyarylate and dielectric ceramic powder 3 have the effect of flame retardancy, if the amount of these compounds is large, the amount of the flame retardant may be appropriately reduced according to the amount. it can.
- the amount of flame retardant is based on the flame retardancy requirements of UL 94 (for example, the class of 11-94, 5, V_0, V-1, V-2, HB, etc.) Thickness of the material for obtaining the certification of the above).
- Examples of the flexibility-imparting agent include alicyclic epoxy resin modified with dimer acid, epoxidized polybutadiene, polyptadiene, hydrogenated polybutadiene, rubber-modified epoxy resin, styrene-based thermoplastic elastomer, and the like. Is mentioned.
- the blending amount of the flexibility imparting agent is preferably 5 to 100 parts by weight based on 100 parts by weight of the total of the epoxy resin and the active ester compound.
- the viscosity and fluidity of the resin composition 18 or the prepreg 6 described later are adjusted. It is possible to do.
- the organic solvent include tetrahydrofuran, toluene, xylene, methylethyl ketone, hexahexanone, dimethylinoacetamide, and dioquinane.
- the amount of the organic solvent can be appropriately determined according to the required viscosity.
- FIG. 1B is a cross-sectional view showing the first embodiment of the cured resin sheet according to the present invention.
- the cured sheet-like resin 1 shown in FIG. 1B includes a cured product 2 obtained by curing a curable mixture 19 composed of an epoxy resin and an active ester compound, and a dielectric ceramic powder 3.
- the body ceramic powder 3 is dispersed in the cured product 2.
- FIG. 1C is a cross-sectional view showing the first embodiment of the laminate of the present invention.
- the laminate 5 shown in FIG. 1C includes the above-described cured resin sheet 1 and metal foil 4, and the metal foil 4 is bonded to one surface of the cured resin sheet 1.
- the metal foil 4 a metal foil made of copper, nickel, chromium, gold, silver, tin, nickel-chromium, or the like can be applied, but copper foil is used because of its low cost and availability. preferable.
- the thickness of the metal foil 4 is preferably 1 to 70 ⁇ ⁇ ⁇ , and the method for producing the metal foil 4 may be any of electrolytic, rolling, sputtering, and vapor deposition methods. Can be selected in a timely manner.
- the resin composition of the present invention comprises a resin cured product obtained by partially completing a curing reaction between an epoxy resin and an active ester compound, and a curing reaction between an epoxy resin and an active ester compound. It is roughly divided into cured resin products.
- the “curing reaction is completed” means a state in which the balance of heat accompanying the reaction is no longer observed when using a differential scanning calorimeter (DSC). This is achieved by heating the article sufficiently at the curing temperature.
- DSC differential scanning calorimeter
- curing reaction was partially completed means that curing reaction partially progressed, but when DSC was used, A state in which a heat balance accompanying the reaction is observed. This state is achieved, for example, by heating the resin composition at a curing temperature for a short time.
- the cured resin obtained by partially completing the curing reaction between the epoxy resin and the active ester compound is used, for example, in the form of a sheet to be used as a cured resin sheet (semi-cured adhesive sheet). can do. It can also be used as a pre-predator, in which case a molded product can be produced by curing a plurality of pre-predas laminated under heating and pressing conditions.
- the above-mentioned cured resin can be further formed into a laminate by bonding a metal foil to one or both surfaces of the cured resin sheet.
- Such a laminate can be heat-cured alone to form a single-layer substrate, which is a single-layer laminate for a printed wiring board. It can be a substrate.
- a cured resin obtained by completing the curing reaction between the epoxy resin and the active ester compound is, for example, a cured sheet-like resin having a high dielectric constant and a low dielectric tangent (cured sheet) It can be used, and a sheet-like resin cured product with metal foil bonded to one or both sides can be used as it is as a laminate for printed wiring boards.
- the metal foil 4 is applicable.
- the resin composition 18 is prepared by adding the resin composition 18 to an organic solvent (tetrahydrofuran, furan, toluene, xylene, methylethylketone, cyclohexanone, dimethylacetoamide, dioxane or the like). It can be manufactured by kneading and slurrying to form a paste, coating and drying. If the drying is carried out at a curing temperature for a sufficient time, the cured sheet is obtained, and if the drying is carried out at a low temperature or for a short time, an adhesive semi-cured sheet is obtained. The kneading can be performed using a known device such as a ball mill or a stirrer.
- the method of applying the resin composition 18 in the form of paste includes a method using a doctor blade control, a spray method, a curtain coating method, and a spin coating method.
- a known method such as a printing method or a screen printing method can be adopted, and the method may be selected as appropriate according to the required thickness, accuracy, and material supply form (roll shape, sheet shape, etc.).
- the thickness of the resin composition 18 to be applied is preferably 5 to 200 ⁇ m after drying, and is preferably twice or more the maximum particle size of the dielectric ceramic powder 3 to be mixed.
- the thickness of the resin composition 18 is less than twice the maximum particle size of the dielectric ceramic powder 3 or when the thickness after drying is less than 5 / zm, In some cases, problems may occur in the coating properties, smoothness, and insulation of the cured product. On the other hand, when the thickness after drying is more than 200 ⁇ , it is difficult to remove the remaining organic solvent. Therefore, in order to obtain a cured resin sheet having a thickness of more than 200 / m after drying, it is necessary to adopt a method of overcoating a thin one.
- the drying conditions can be determined as appropriate depending on the composition and thickness of the resin composition 18, the organic solvent used, and the like, but it is preferable to perform the drying at 50 to 150 ° C. for 1 to 60 minutes. . Further, if necessary, step drying in which the temperature is divided into several stages may be performed. In addition, coating can be performed on a film composed of PET, PI, PPS, and LCP, including the above-described metal foil. In order to obtain a cured resin sheet, high-temperature vacuum pressing is preferably performed. The conditions are 150 to 250 ° C., 0.5 to 20 hours, and a pressure of 1.5 to 6.0. MPa is preferred. Then, if necessary, a step cure or a reduced pressure of 30 torr or less can be performed.
- FIG. 1D is a cross-sectional view showing an embodiment of the pre-preda of the present invention.
- the pre-preda 6 shown in FIG. 1D is an active ester compound obtained by reacting an epoxy resin with a compound having two or more carboxyl groups and a compound having a phenolic hydroxyl group (hereinafter, simply referred to as “active ester compound”).
- Cured material 7 obtained by semi-curing a curable mixture 19 composed of: a dielectric ceramic powder 3; and a reinforcing fiber 8.
- the dielectric ceramic powder 3 is dispersed in the semi-cured material 7, and the reinforcing fibers 8 are disposed in the semi-cured material 7 in the form of a reinforced fiber fabric.
- the curable mixture 19 constitutes the resin composition 18 described above.
- the pre-preda 6 shown in FIG. 1D has a configuration including: a reinforcing fiber fabric; and a resin layer made of a semi-cured material 7 formed on both surfaces of the reinforcing fiber fabric.
- the thickness of the reinforcing fiber fabric is preferably from 20 to 300 ⁇ , and more preferably from 20 to 200 m. If the thickness of the reinforcing fiber fabric is less than 20 / m, there is a tendency for strength problems to occur, and if it exceeds 300 ⁇ , the amount of resin attached tends to decrease, and the characteristics of the physical properties tend to be difficult to appear. There is.
- the thickness of the resin layer made of the semi-cured material 7 is preferably 5 to: L 0 // m, and more preferably 5 to 50 Aim. The thickness of the resin layer
- the reinforcing fiber woven fabric in FIG. 1D is obtained by using a reinforcing fiber bundle 9 in which a plurality of reinforcing fibers 8 are bundled as a warp and a weft, and weaving them so as to cross each other.
- the semi-cured material 7 also exists between the reinforcing fibers 8 in the reinforcing fiber fabric.
- the curable mixture composed of the epoxy resin and the active ester compound is in a semi-cured state.
- “semi-cured” means that although the reaction between the epoxy resin and the active ester compound has partially progressed, when a differential scanning calorimeter (DSC) is used, the heat balance due to the above reaction is obtained. Refers to a state in which is observed, and this state is achieved, for example, by heating the pre-preda at a curing temperature for a short time. On the other hand, the above reaction can be completed by curing the pre-preda, and in this case, the heat balance accompanying the reaction is not observed by DSC.
- DSC differential scanning calorimeter
- the reinforcing fiber 8 is preferably at least one reinforcing fiber selected from the group consisting of E glass fiber, D glass fiber, NE glass fiber, H glass fiber, T glass fiber, and aramide fiber, and particularly has a low dielectric loss tangent.
- the reinforcing fibers 8 may be disposed in the pre-predator in the form of reinforcing fiber monofilaments or reinforcing fiber bundles, but may be in the form of braided reinforcing fiber bundles (for example, reinforcing fiber woven fabrics, reinforcing fiber knits, etc.). It is preferably arranged in the pre-preda 6.
- the preferable thickness is as described above.
- Particularly preferred reinforcing fiber fabric thicknesses are 20 ⁇ m, 30 ⁇ m, 50 Am, 100 ⁇ or 200 ⁇ .
- the reinforced fiber woven fabric may be subjected to treatment such as opening or closing as necessary, and the surface is treated with a surface treatment agent such as a coupling agent in order to enhance the adhesion to the curable mixture. It was a little.
- the compounding amount of the active ester compound is such that the ester equivalent is 0.3 to 4.0 times equivalent (more preferably 0.8 to 3.0 times equivalent) of the epoxy equivalent of the epoxy resin. Is preferred. If the ester equivalent of the active ester compound is less than 0.3 equivalent, the curing of the epoxy resin tends to be insufficient, and if it exceeds 4.0 equivalent, the epoxy resin and the active ester compound may be hardened. The dielectric constant of the reaction product does not tend to be sufficiently low.
- the amount of polyarylate is preferably 5 to 70 parts by weight based on 100 parts by weight of the epoxy resin and the active ester compound in total. If the amount of polyarylate is less than 5% by weight, the viscosity of the pre-predator raw material (paste described later) may not be sufficiently high despite the addition of polyarylate, which may cause a problem in coatability. If the amount of the polyarylate exceeds 70 parts by weight, the fluidity of the pre-predator raw material (paste described later) may be too low, and the adhesiveness may be insufficient.
- the compounding amount of the dielectric ceramic powder 3 is 100 parts by volume of the epoxy resin and the active ester compound (when polyarylate is contained, the total amount of the epoxy resin, the active ester compound and the polyarylate is 1 part by volume). (100 parts by volume) is preferably 5 to 100 parts by volume.
- FIG. 1E is a sectional view showing a second embodiment of the sheet-shaped resin cured product of the present invention.
- the sheet-shaped resin cured product 15 shown in FIG. 1E comprises a cured product 2 obtained by curing a curable mixture 19 composed of an epoxy resin and an active ester compound, a dielectric ceramic powder 3, and reinforcing fibers 8.
- the dielectric ceramic powder 3 is dispersed in the cured product 2, and the reinforcing fibers 8 are disposed in the cured product 16 in the form of a reinforcing fiber fabric.
- the above-mentioned reinforcing fiber woven fabric is obtained by using a reinforcing fiber bundle 9 in which a plurality of reinforcing fibers 8 are bundled as a warp and a weft, and weaving them so as to cross each other.
- the cured product 2 also exists between the reinforcing fibers 8 in the reinforcing fiber woven fabric.
- FIG. 1F is a cross-sectional view showing a second embodiment of the laminate of the present invention.
- the laminate 17 shown in FIG. 1F includes the above-described cured resin sheet 15 and metal foil 4, and the metal foil 4 is bonded to one surface of the cured resin sheet 15.
- the cured sheet-like resin 15, and the laminate 17 it is preferable to use a paste produced as follows. That is, if necessary, polyarylate, a coupling agent, a curing accelerator, a flame retardant, and a flexibility-imparting agent are added to the essential components consisting of epoxy resin, active ester compound, and dielectric ceramic powder 3. It is preferable to use a paste obtained by kneading the added resin composition in an organic solvent to form a slurry.
- the organic solvent used here is a volatile solvent such as tetrahydrofuran, toluene, xylene, methylethylketone, cyclohexanone, dimethylacetamide, and dioxanelan.
- the viscosity of the paste can be adjusted by changing the amount added.
- the kneading can be performed using a known device such as a pole mill or a stirrer.
- Representative methods for producing the pre-preda, the cured sheet-like resin and the laminate of the present invention include the following two methods.
- Method 1 The pre-preda 6 can be obtained by impregnating and coating a slurried paste on a reinforcing fiber fabric and drying. At this time, the thickness of the coating is preferably 5 to 5 on one side with respect to the reinforcing fiber fabric. If the thickness is less than this, it is difficult to ensure the fluidity of the pre-predator. If the thickness exceeds this, paste dripping and the like are likely to occur, and the thickness and the attached weight vary greatly.
- the drying conditions can be determined as appropriate depending on the solvent used and the thickness to be applied. For example, the drying conditions can be set at 50 to 150 ° C. for 1 to 60 minutes. If necessary, step drying in which the temperature is divided into several stages may be performed.
- the sheet-shaped resin cured product 15 be produced by subjecting the pre-preda 6 thus obtained to high-temperature vacuum pressing.
- the high-temperature vacuum pressing is preferably performed at 150 to 250 ° C. for 0.5 to 20 hours, at a pressure of 1.5 to 6.0 MPa, and at a degree of vacuum of 30 torr or less. .
- step curing may be performed if necessary.
- the laminate 17 is formed by laminating the metal foil 4 on the front surface and Z or the back surface of the pre-predator 6 and heating and pressurizing the whole during the high-temperature vacuum pressing to obtain the sheet-like resin cured product 15. Just fine.
- Method 2 In method 2, first, the slurryed paste is coated on a metal foil or a film of PET, PI, PPS, LCP or the like by a known coating method. I do. Examples of the coating method include a method using doctor blade control, a spray method, a curtain coat method, a spin coat method, a screen printing method, and the like. The required thickness, accuracy, material supply form (roll form, The method can be selected as appropriate according to the sheet shape or the like. The thickness to be applied is preferably 5 to 100 ⁇ m after drying, and the maximum thickness of the dielectric ceramic powder 3 Preferably, the thickness is at least twice the particle size.
- the thickness is less than 5 ⁇ or less than twice the maximum particle size of the dielectric ceramic powder 3, there may be problems with the coatability, smoothness, and insulation of the cured product during coating.
- the thickness exceeds 100 ⁇ m, it is difficult to remove the remaining organic solvent. Therefore, when applying a coating with a thickness exceeding l OO / xm, it is necessary to adopt a method in which a thin coating is made and then overcoated.
- the above drying conditions can be determined as appropriate depending on the material composition, thickness, and the organic solvent used.
- the drying conditions can be set at 50 to 150 ° C for 1 to 60 minutes. You. If necessary, step drying for dividing the temperature into several stages may be performed. By sandwiching the reinforcing fiber fabric with the coated product thus obtained and, for example, performing vacuum pressing, the contained organic solvent can be removed to obtain a pre-preda. Further, a coated article is obtained in the same manner as described above, and after sandwiching the reinforcing fiber fabric with the obtained coated article, for example, 0.5 to 20 hours at 150 to 250 hours, 1.5 hours.
- a cured resin sheet 15 By performing high-temperature vacuum pressing at a pressure of up to 6.0 MPa and a degree of vacuum of 30 torr or less, a cured resin sheet 15 can be obtained. In this case, when the paste is applied to a metal foil, a laminate 17 is obtained. If there is a concern about impregnation and filling of the reinforcing fiber woven fabric, the reinforcing fiber woven fabric may be impregnated with the paste having a reduced solid content and dried in advance.
- the electronic component of the present invention includes at least one composite dielectric layer containing an organic insulating material, and a dielectric ceramic powder having a larger dielectric constant than the organic insulating material; And at least one conductive element part constituting a capacitor element or an inductor element, wherein the organic insulating material has an epoxy resin, a compound having two or more carboxyl groups, and a funnic hydroxyl group. And a cured resin obtained by a curing reaction with an active ester compound obtained by reacting a compound.
- the dielectric ceramic powder has a higher dielectric constant than the organic insulating material containing the cured resin, and the organic insulating material has a low dielectric loss tangent.
- the composite dielectric layer shows a high dielectric constant and a low dielectric loss tangent. For this reason, transmission loss in the electronic component is reduced, and the electronic component can be reduced in size and weight. Further, even if the device is used at a high temperature of 100 ° C. or more for a long time, the change with time of the relative dielectric constant in a high-frequency region of 100 MHz or more can be sufficiently reduced. Furthermore, according to this electronic component, the bending strength is increased, so that the handling of the electronic component is improved, and the loss or deformation of the electronic component can be sufficiently prevented. Further, according to the electronic component of the present invention, the dielectric properties at the time of use at high temperatures can be improved. In other words, according to the electronic component of the present invention, its characteristics can be sufficiently improved.
- the composite dielectric layer contains an organic insulating material including a cured resin, and the cured resin is obtained by a curing reaction between an epoxy resin and an active ester compound.
- the composite dielectric layer is composed of, for example, the above-described cured resin sheet 1 or cured resin sheet 15 described above.
- the cured sheet-like resin 1 or the cured sheet-like resin 15 is a cured product 2 obtained by curing a curable mixture 19 composed of an epoxy resin, an active ester compound, and a power, and a dielectric ceramic. Powder 3, and the dielectric ceramic powder 3 is dispersed in the cured product 2. That is, the cured resin contained in the organic insulating material is composed of the cured product 2.
- the amount of the active ester compound to be added to the epoxy resin is preferably such that the ester equivalent becomes 0.3 to 4.0 times equivalent to the epoxy equivalent of the epoxy resin, and 0.8. It is more preferable that the amount be 3.0 times equivalent. If the ester equivalent is less than 0.3 equivalent, curing of the epoxy resin tends to be insufficient, and if it exceeds 4.0 equivalent, a cured resin having a sufficiently low dielectric constant may be obtained. Tends to be difficult.
- the cured product 2 may be a product obtained by a curing reaction between an epoxy resin and an active ester compound in the presence of an additive.
- the additive is at least one additive selected from the group consisting of a curing accelerator, a surface treatment agent, a flame retardant, and a flexibility-imparting agent.
- the curing accelerator is not particularly limited as long as it can promote the curing reaction between the epoxy resin and the active ester compound, and such a curing accelerator is mainly used at the time of curing the epoxy resin. Common curing accelerators used can be used.
- the curing accelerator for example, 2-methylimidazonole, 2-ethinourei-4-methinoreimidazonole, 1-benzinole_2-methinoreiimidazole, 21-heptadecylimidazole, 2 -Imidazole compounds such as pendecyl imidazole, organic phosphine compounds such as tolphenyl phosphine and triptyl phosphine, organic phosphite compounds such as trimethyl phosphite and triethyl phosphite, ethyl triphenyl phospho-dimethyl bromide, Phosphonium salts such as tetraphenylphosphonium tetraphenylborate; trialkylamines such as triethylamine and tolbutylamine; ), DBU and terephthalic acid 2,6-Naphthalenecarboxylic acid salt, tetraethyl
- the addition amount of the curing accelerator is preferably in the range of 0.05 to 10.0 parts by weight based on 100 parts by weight of the epoxy resin and the active ester compound in total. If the amount is less than 0.05 part by weight, the curing reaction tends to be slow, and if it exceeds 10.0 parts by weight, the storage stability tends to be reduced, and the self-polymerization of the epoxy resin tends to be prioritized.
- the above flame retardant is added according to the required flame retardancy. Flame retardants can be broadly classified into two types: reactive flame retardants and additive flame retardants.
- the main components of the reactive flame retardant include brominated bisphenol type epoxy resin, brominated phenolic resin, and brominated phenol nopolak type epoxy resin.
- the curing agents include chlorendic anhydride, tetrabromophthalic anhydride, etc. Is mentioned.
- the added flame retardants include halogenated flame retardants such as halogenated phosphate esters and brominated epoxy resins; phosphoric acid flame retardants such as phosphoric acid ester amide; nitrogen flame retardants; metal salt flame retardants; Japanese metal flame retardants; inorganic flame retardants such as antimony trioxide and aluminum hydride.
- the flame retardants may be used alone or as a mixture of two or more.
- the flame retardant is preferably added in an amount of 5 to 50 parts by weight based on 100 parts by weight of the resin composition. This is because polyarylate and dielectric ceramic powder are materials that themselves have flame retardancy or exhibit a flame-retardant effect.
- the amount may be small, and if it is small, the added amount may be increased.
- the amount to be added may be determined according to the required flame retardancy (for example, 5 V, V-0, V-1, V-2, HB class of UL94 and the thickness to be obtained).
- the above-mentioned flexibility-imparting agent can impart toughness to the composite dielectric layer, and when the composite dielectric layer is a prepreg containing a reinforcing fiber, its flexibility is low. improves.
- the flexibility-imparting agent include a finger ring epoxy resin such as dimer acid modification, epoxidized polybutadiene, polybutadiene, hydrogenated polybutadiene, a rubber modified epoxy resin, and a styrene-based thermoplastic elastomer.
- the flexibility-imparting agent is not limited to these.
- the surface treatment agent enhances the adhesion between the dielectric ceramic powder and the organic insulating material, and reduces the water absorption.
- Such surface treatment agents include, for example, chlorosilane-based coupling agents, alkoxysilane-based coupling agents, organic-functional silane-based coupling agents, silazane-based silane coupling agents, titanate-based coupling agents, and anoremini. Pem-based coupling agents and the like.
- the surface treating agents used may be used alone or in combination of two or more depending on the required properties.
- the surface treatment agent is preferably an organic functional silane-based coupling agent or an alkoxysilane-based coupling agent.
- the amount of the surface treatment agent to be added may be appropriately selected within the range of 0.1 to 5 parts by weight based on 100 parts by weight of the dielectric ceramic powder.
- the selection of the amount to be added is determined by the particle size and shape of the dielectric ceramic powder to be used and the type of surface treatment agent to be added.
- Examples of the surface treatment method include a dry method, a wet method, a spray method, an integral blend method, and the like, and may be selected as necessary.
- the organic insulating material preferably further contains polyarylate in addition to the cured product 2 described above. In this case, the flexibility and flexibility in the B-stage state are increased, and the handling is improved.
- the polyarylate described above is composed of a plurality of repeating units represented by _X—Y— composed of a structural unit X and a structural unit Y (a plurality of such structural units X And the structural units Y may be the same or different.),
- the structural unit X is a phthaloyl group represented by the following formula (2): A group or terephthaloyl group (the number of moles of terephthaloyl groups to the total number of moles of the phthaloyl group, isophthaloyl group, and Te Refutaroiru groups is less than 4 0 mol 0/0.),
- the structural unit Y is preferably a divalent group represented by the following general formula (3).
- R 11 and R 12 are each independently an alkyl group, an alkoxy group or a halogen atom having 1 to 4 carbon atoms
- Z is a single bond, an ether bond, a thioether bond, a sulfone bond or a carbonyl bond
- P and q independently represents an integer of 0 to 4
- And ⁇ wherein when the polyarylate R u, R 12 and Z there are a plurality, R u, R 12 and Z may each be the same or different.
- the toughness can be added to the pre-preda and the handling property is improved as compared with a polyarylate having a configuration other than the above-described configuration.
- R 11 and R 12 are a methyl group and Z is a single bond.
- an interfacial polymerization method or a solution polymerization method can be applied.
- a polyarylate having a high purity and a low dielectric loss tangent can be obtained in a short time. Therefore, the interfacial polymerization method is preferable.
- a halide of at least one dicarboxylic acid selected from the group consisting of phthalic acid, isophthalic acid and terephthalic acid is represented by an organic solvent solution and the following general formula (3a). It is preferable to contact with the phenolate ion of the divalent phenol compound to cause interfacial polycondensation to obtain a polyarylate.
- R u , R 12 , Z, p and q in the general formula (3a) are as defined above.
- the proportion of terephthalic acid haprogenated compound in dicarboxylic acid moieties must be 40 mol% or less.
- the dicarboxylic acid halide is dissolved in an organic solvent such as toluene or methylene chloride, and the above-mentioned divalent phenol is added to an aqueous solution of an alkali metal in an amount of 0.1 to 2 mol / L. It is more preferable that the dissolution is carried out in an atmosphere and the two liquids are brought into contact with each other to cause interfacial polymerization of the dicarboxylic acid halide and the divalent phenol.
- an organic solvent such as toluene or methylene chloride
- the above-mentioned divalent phenol is added to an aqueous solution of an alkali metal in an amount of 0.1 to 2 mol / L. It is more preferable that the dissolution is carried out in an atmosphere and the two liquids are brought into contact with each other to cause interfacial polymerization of the dicarboxylic acid halide and the divalent phenol.
- phase transfer catalyst examples include ammonium salts such as methyltrioctylammonium chloride and benzyltriethylammonium chloride, and phosphonium salts such as tetratrapylphosphodium bromide.
- a surfactant can be added to the reaction system.
- the polycondensation reaction method may be a batch type or a continuous type, and the reaction temperature is preferably from 15 to 100 ° C and preferably not exceeding the boiling point of the organic solvent, particularly preferably from 0 to 80 ° C. preferable.
- the amount of the polyarylate is 5 to 70 parts by weight based on 100 parts by weight of the total amount of the epoxy resin and the active ester compound. Just fine.
- the amount of polyarylate is less than 5 parts by weight, the production efficiency of electronic components tends to decrease, and if it exceeds 70 parts by weight, the adhesion of the composite dielectric layer to the conductive metal decreases, and the The use may cause the conductive metal to separate from the composite dielectric layer and fluctuate the performance of electronic components.
- the composite dielectric layer used in the present invention contains the dielectric ceramic powder dispersed in the organic insulating material described above.
- the dielectric ceramic powder one having a relative dielectric constant and a Q value higher than that of the organic insulating material in a high frequency region of 10 O MHz or more, for example, dielectric ceramic powder 3 is used.
- the amount of the dielectric ceramic powder to be added is preferably in the range of 5 to 1885 parts by volume with respect to 100 parts by volume of the organic insulating material, and within this range, it is necessary.
- An appropriate amount may be selected according to the dielectric constant and the dielectric loss tangent. If the amount of the dielectric ceramic powder is less than 5 parts by volume, it tends to be difficult to increase the dielectric constant by the dielectric ceramic powder, and if it exceeds 18 parts by volume, the conductivity of the composite dielectric layer will increase. There is a possibility that the adhesion to the conductive metal decreases, and the conductive metal peels off from the composite dielectric layer over a long period of use, causing the performance of the electronic component to fluctuate.
- the composite dielectric layer used in the present invention preferably further contains a magnetic powder in addition to the dielectric ceramic powder.
- the magnetic powder can add magnetic properties to the composite dielectric layer, reduce the linear expansion coefficient, and improve the material strength.
- Examples of the magnetic material powder include Mn_MgZn, Ni-Zn, Mn_Mg, ferrite or carbonyl iron such as planar material, iron-silicon alloy, iron-aluminum. Examples include monosilicon alloys, iron-nickel alloys, and amorphous ferromagnetic metals. These may be used alone or in combination of two or more.
- the average particle size of the magnetic material powder is preferably in the range of 0.01 to: ⁇ ⁇ m, and more preferably in the range of 0.2 to 20 / im.
- the addition amount of the magnetic substance powder is preferably in the range of 5 to 185 parts by volume with respect to 100 parts by volume of the organic insulating material, and an appropriate amount may be selected within this range. If the amount is less than 5 parts by weight, the effect of adding the powder tends to be ineffective, and if it exceeds 185 parts by weight, the fluidity deteriorates.
- the composite dielectric layer further includes a cloth made of reinforcing fibers.
- the mechanical strength of the composite dielectric layer is enhanced by the cloth made of the reinforcing fiber, and the loss or deformation of the electronic component is sufficiently prevented.
- the material of the reinforcing fiber is preferably any of glass, D glass, glass, glass, glass, and aramide fiber. Of these, (1) glass has a low dielectric loss tangent, (2) glass has a high dielectric constant, and (4) glass is balanced with cost. Therefore, it can be used properly according to the required characteristics.
- the thickness of the cloth is preferably from 20 to 300 ⁇ , and may be appropriately used or divided according to the required thickness and characteristics.
- Specific examples of the cloth include 101 (thickness 20 ⁇ ), 106 (thickness 30 ⁇ ), 1080 (thickness 50 ⁇ ) ⁇ 21 16 (thickness 100 ⁇ ), and 7628 (thickness 200 im). And the like.
- the surface of the cloth may be subjected to processing such as opening and closing as necessary. Further, the surface of the cloth may be subjected to a surface treatment with a coupling agent or the like in order to increase the adhesion to the resin. May be applied.
- the electronic component of the present invention has at least one conductive element portion provided on the composite dielectric layer.
- the conductive element part is a capacitor element or an inductor.
- the conductive element portion is not limited to one, but may be plural. By providing a plurality of or a plurality of types of conductive element portions in the composite dielectric layer, it is possible to impart various functions to the electronic component.
- the conductive element portion is composed of a metal foil 4 or the like formed on the surface of the composite dielectric layer.
- a resin containing a predetermined blend of an epoxy resin, an active ester compound, a polyarylate, a dielectric ceramic powder, and a magnetic powder The composition may be kneaded with a solvent, a slurry-solidified paste may be applied, and the paste may be dried to a semi-cured state.
- the solvent used at this time include volatile solvents such as tetrahydrofuran, toluene, xylene, methylethylketone, cyclohexanone, dimethylacetamide, and dioxolan.
- Such a solvent is used to liquefy the epoxy resin, the active ester compound and the polyarylate and to adjust the viscosity of the paste.
- the kneading can be performed by a known method such as a ball mill and a stirrer.
- methods 1 and 2 can be cited as methods for producing the above-described pre-preda and a sheet-like cured product (substrate) formed by completely curing the pre-preda.
- the laminate of the present invention includes a double-sided patterned substrate, a multilayer substrate, and the like, and these can be manufactured as follows.
- FIG. 72 shows a manufacturing flow of the double-sided patterned substrate
- FIG. 73 shows a process chart of an example of forming a double-sided patterned Jung substrate.
- a pre-preda (without copper foil) 1 having a predetermined thickness and a copper (Cu) foil 2 having a predetermined thickness are overlaid and pressed and heated to form a (process) A).
- through holes are formed by drilling (step B).
- Copper (Cu) plating is applied to the formed through-hole to form a plating film 23 (step C).
- puttering is performed on the copper foil 2 on both sides to form a conductor pattern 211 (process D).
- Process D perform the plating for connecting the child etc.
- Fig. 74 is a flowchart of a multilayer substrate manufacturing example
- Fig. 75 is a manufacturing process diagram of a multilayer substrate, showing an example in which three dielectric layers are stacked. As shown in FIG. 74 and FIG. 75, the pre-preda 1 having a predetermined thickness and a copper (Cu) foil having a predetermined thickness are superimposed, and are formed by heating under pressure (step a).
- step b the copper foils 2 on both sides are patterned to form conductor patterns 21 (step b).
- a pre-predeer 1 and a copper foil 2 each having a predetermined thickness are further laminated, and simultaneously pressed and heated to form (step c).
- through holes are formed by drilling (step d).
- a copper (Cu) plating is applied to the formed through hole to form a plating film 4 (step e).
- a pattern is formed on the copper foil 2 on both sides to form a conductor pattern 21 (step; f).
- plating for connection to external terminals is performed (step g).
- the plating in this case is performed by a method of applying a Pd plating after the Ni plating, a method of further applying an Au plating after the Ni plating (electrolytic or electroless plating), or a method using a solder leveler.
- molding conditions for the hot pressing is carried out at a temperature of 100 to 200 ° C, at a pressure of 9. 8 X 10 5 ⁇ 7. 84 X 10 6 P a (10 ⁇ 80 kgf / cm 2), It is preferably 0.5 to 20 hours.
- the electronic component of the present invention is not limited to the above example, and can be manufactured using various substrates.
- a paste made of a composite dielectric material obtained by kneading a point solvent may be formed on a puttered substrate by screen printing or the like, whereby characteristics can be improved.
- the electronic component of the present invention can be obtained by combining the above-described pre-predader, a substrate with a copper foil, a laminated substrate, and the like with an element configuration pattern.
- the electronic component of the present invention includes, in addition to the above-described capacitors (capacitors), coils (inductors), filters, and the like, wiring patterns, amplifying elements, and functional elements other than these. It may be a combined antenna, a high frequency electronic circuit such as an RF module (RF amplification stage), a VCO (voltage controlled oscillation circuit), a power amplifier (power amplification stage), or a superposition module used for an optical pickup.
- RF module RF amplification stage
- VCO voltage controlled oscillation circuit
- power amplifier power amplification stage
- superposition module used for an optical pickup.
- FIG. 1G is a perspective view showing an inductor which is a first embodiment of the electronic component of the present invention
- FIG. 2 shows an inductor which is a first embodiment of the electronic component of the present invention. It is sectional drawing.
- the inductor 10 is provided on the laminated body formed by laminating the constituent layers 10a to L0e and the constituent layers 10b to 10e. It has internal conductors 13a to 13d and via holes 14 for electrically connecting the internal conductors 13a to 13d.
- the inner conductor 13 and the via hole 14 constitute a coil pattern (conductive element portion).
- Each of the constituent layers 10a to 10e is constituted by the composite dielectric layer.
- the via hole 14 can be formed by drilling, laser processing, etching or the like.
- terminal electrodes 12 are provided on both opposing side surfaces of the laminated body, and both ends of the coil pattern are connected to the terminal electrodes 12 respectively. I have. Note that land patterns 11 are provided at both ends of the terminal electrode 12.
- the terminal electrode 12 has a structure in which the cylinder of the through via is divided in half.
- the reason why the terminal electrodes 12 have such a structure is that when a plurality of elements are formed on the collective laminated substrate and finally cut for each element, the terminal electrodes 12 are cut from the center of the through via by dicing, V-cut, etc. To do that.
- the relative permittivity of each of the constituent layers 10a to 10e is 2.0. It is preferably 6 to 3.5.
- a distributed capacitance may be used positively.
- the relative permittivity of each of the constituent layers 10 a to 10 e is set to 5 It is preferably set to 40.
- the inductor 10 even when used under high-temperature conditions, the change over time in the relative permittivity can be sufficiently suppressed. For this reason, the reliability of the inductor 10 in a high temperature environment is improved. Further, since the inductor 1 ⁇ uses a composite dielectric layer having high bending strength as the constituent layers 10a to 10e, it is possible to sufficiently prevent the inductor 10 from being damaged or deformed during handling. Also, it is possible to reduce the size of electronic components and to omit the mounting of a capacitive element to a circuit. In these inductors, since it is necessary to minimize the loss of material, the dielectric loss tangent of each of the constituent layers 10a to 10e
- the constituent layers 10a to 10e may be the same or different, and an optimal combination may be selected.
- FIG. 10 (a) shows an equivalent circuit of the electronic component shown in FIG. 1G.
- the inductor 10 is shown as an electronic component (inductor) having the coil 31 in the equivalent circuit.
- FIG. 3 shows an inductor according to a second embodiment of the electronic component of the present invention.
- FIG. 4 is a cross-sectional view showing an inductor that is a second embodiment of the electronic component.
- the electronic component of the present embodiment is different from the electronic component of the first embodiment in that the coil pattern is wound in the horizontal direction, that is, in the direction connecting the opposing terminal electrodes 12.
- FIG. 5 is a perspective view showing an inductor, which is a third embodiment of the electronic component of the present invention
- FIG. 6 is a cross-sectional view showing an inductor, which is a second embodiment of the electronic component of the present invention.
- the electronic component of the present embodiment is different from the electronic component of the first embodiment in that spirally formed internal conductors 13 on the upper and lower surfaces are connected by via holes 14.
- FIG. 7 is a perspective view showing an inductor which is a fourth embodiment of the electronic component of the present invention.
- FIG. 8 is a cross-sectional view showing an inductor which is a fourth embodiment of the electronic component of the present invention.
- the electronic component of the present embodiment differs from the electronic component of the first embodiment in that the pattern shape of the internal conductors 13 connecting the terminal electrodes 12 provided on both sides of the laminate is meandering. Different.
- FIG. 9 is a perspective view showing an inductor according to a fifth embodiment of the electronic component of the present invention.
- the electronic component of the present embodiment is different from the electronic component of the first embodiment in which one coil pattern is provided on the laminate in that four coil patterns are provided on the laminate. With such a configuration, it is possible to save space when disposing electronic components on a circuit board or the like, as compared with a case where four electronic components each having one coil pattern are used.
- FIG. 10 (b) is an equivalent circuit diagram of the inductor of the present embodiment. As shown in FIG. 10 (b), the inductor of the present embodiment is shown as an equivalent circuit in which four coils 31a to 31d are provided in series.
- FIG. 11 is a perspective view showing a capacitor (capacitor) which is a sixth embodiment of the electronic component of the present invention
- FIG. 12 is a sixth embodiment of the electronic component of the present invention.
- FIG. 2 is a cross-sectional view showing a certain capacitor (condenser).
- the capacitor 20 is composed of a laminated body formed by laminating the constituent layers 20a to 20g, and an internal part formed on the constituent layers 20b to 20g. It has a conductor 23 and terminal electrodes 22 provided on both sides of the laminate, respectively. Then, the adjacent inner conductors 23 are connected to different terminal electrodes 22 respectively. Land patterns 21 are provided at both ends of the terminal electrode 22.
- the conductive element portion is constituted by the internal conductor 23 provided in the laminate.
- Each of the constituent layers 20a to 20g is constituted by the composite dielectric layer.
- Each of the constituent layers 20a to 20g has a relative dielectric constant of 2.6 to 40 from the viewpoint of the variety and accuracy of the obtained capacitance, and 0.0025 to 0. It preferably has a dielectric loss tangent of 75. Since the relative permittivity of the capacitor 20 is high even in a high frequency range, the area of the internal conductor 23 can be reduced, and the size of the capacitor 20 can be reduced. In addition, capacitor 20 , The change with time of the relative dielectric constant is sufficiently suppressed. Therefore, the reliability of the capacitor 20 in a high temperature environment is improved. Further, since the capacitor 20 uses a composite dielectric layer having high bending strength as the constituent layers 20a to 20g, it is possible to sufficiently prevent the capacitor 20 from being damaged or deformed during handling.
- the constituent layers 20a to 20g may be the same or different, and an optimum combination may be selected.
- FIG. 14A is an equivalent circuit diagram of the capacitor 20.
- the equivalent circuit shows an electronic component (capacitor) having a capacitor 32.
- FIG. 13 is a perspective view showing a capacitor which is a seventh embodiment of the electronic component of the present invention.
- the electronic component of the present embodiment is characterized in that four conductive element portions constituting a capacitor element are provided in an array in a stacked body, and one conductive element portion constituting a capacitor element is provided. Is different from the capacitor of the sixth embodiment in which the laminated body is provided. Also, terminal electrodes 12 and land patterns 11 are provided in accordance with the number of capacitor elements. Furthermore, when capacitors are formed in an array, various capacitances may be formed with high accuracy. Therefore, it can be said that the above ranges of the dielectric constant and the dielectric loss tangent are preferable.
- FIG. 14B is an equivalent circuit diagram of the capacitor of the present embodiment. As shown in Fig. 14 (b), the equivalent circuit shows an electronic component (capacitor) with four capacitors 32a to 32d connected in series.
- FIGS. 15 to 18 show a balun transformer according to an eighth embodiment of the electronic component of the present invention.
- FIG. 15 is a transparent perspective view
- FIG. 16 is a sectional view
- FIG. 17 is an exploded plan view of each constituent layer
- FIG. 18 is an equivalent circuit diagram.
- the balun transformer 40 includes a laminate formed by laminating the constituent layers 40a to 40o, and internal GNs disposed above, below, and in the middle of the laminate.
- the inner conductor 43 is a spiral conductor 43 having a length of ⁇ gZ4, and is connected by via holes 44 and the like so as to form coupling lines 53a to 53d shown in the equivalent circuit of FIG. I have.
- the constituent layers 40a to 40o of the balun transformer 40 have a relative dielectric constant of
- the dielectric layer has a dielectric tangent (tan S) of 0.0075 to 0.025, and that the composite dielectric layers are used as the constituent layers 40a to 40o. It is possible.
- the constituent layers may be the same or different, and an optimum combination may be selected.
- the balun transformer 40 According to the balun transformer 40, a change with time in the specific dielectric constant can be sufficiently suppressed even when used under high-temperature conditions. For this reason, the reliability of the balun transformer 40 in a high-temperature environment is improved. Further, since the balun transformer 40 uses a composite dielectric layer having a large bending strength as the constituent layers 40 & to 400, it is possible to sufficiently prevent the balun transformer 40 from being damaged or deformed during handling.
- FIGS. 19 to 22 show a multilayer filter according to a ninth embodiment of the electronic component of the present invention.
- FIG. 19 is a perspective view
- FIG. 20 is an exploded perspective view
- FIG. 21 is an equivalent circuit diagram
- FIG. 22 is a transfer characteristic diagram.
- the multilayer filter of the present embodiment is configured to have a two-pole type transfer characteristic.
- the multilayer filter 60 includes a multilayer body in which constituent layers 60 a to 60 e are stacked.
- constituent layer 60b is This is a constituent layer group
- constituent layer 60d is a lower constituent layer group.
- a pair of strip lines 68 is formed in the component layer 60c substantially at the center of the laminate, and a pair of capacitor conductors 67 are formed on the lower component layer group 60d adjacent thereto.
- Constituent layer 60 b
- GND conductors 65 are formed on the surfaces of 60e, respectively, and strip lines 68 and capacitor conductors 67 are sandwiched between these GND conductors 65.
- the strip line 68, the capacitor conductor 67, and the GND conductor 65 are each connected to an end electrode (external terminal) 62 formed on the end face of the multilayer body.
- a GND pattern 66 is formed on both sides of the end electrode 62, and the GND pattern 66 is connected to the GND conductor 65.
- the strip line 68 is shown in the equivalent circuit diagram of Fig. 21; strip lines 74a and 74b having a length of gZ4 or less, and the capacitor conductor 67 is connected to the input / output coupling. Configure the capacity C i. Also, the strip track 74a,
- the multilayer filter 60 is connected by the coupling capacity Cm and the coupling coefficient M. Since the multilayer filter 60 is configured to form such an equivalent circuit, it has a two-pole type transfer characteristic as shown in FIG.
- the constituent layers 60a to 60e of the multilayer filter 60 have a relative dielectric constant of 2.6.
- the dielectric loss tangent (ta ⁇ ) is preferably set to 0.0025 to 0.0075.
- the composite dielectric layers described above are used as such constituent layers 60a to 60e.
- the constituent layers may be the same or different, and an optimum combination may be selected.
- the laminated filter 60 According to the laminated filter 60, a change with time of the relative dielectric constant can be sufficiently suppressed even when used under a high temperature condition. Therefore, the reliability of the multilayer filter 60 in a high temperature environment is improved. Furthermore, since the multilayer filter 60 uses a composite dielectric layer having high bending strength as the constituent layers 60 a to 60 e, Loss or deformation can be sufficiently prevented.
- FIGS. 23 to 26 show a laminated filter which is a tenth embodiment of the electronic component of the present invention.
- FIG. 23 is a perspective view
- FIG. 24 is an exploded perspective view
- FIG. 25 is an equivalent circuit diagram
- FIG. 26 is a transfer characteristic diagram.
- the multilayer filter of the present embodiment is configured to have a four-pole type transfer characteristic. As shown in FIGS. 23 to 25, the multilayer filter 60 has two strip lines 68 in the constituent layer 60c in that four strip lines 68 are formed in the constituent layer 60c. This is different from the multilayer filter of the ninth embodiment in which is formed.
- the strip line 68 is a strip line 7 4 c having a length of ⁇ g Z 4 or less as shown in the equivalent circuit diagram of FIG.
- the multilayer filter 60 is configured to form such an equivalent circuit, it has a four-pole type transfer characteristic as shown in FIG.
- FIG. 27 to 32 show a public filter which is a first embodiment of the electronic component of the present invention.
- FIG. 27 is a transparent perspective view
- FIG. 28 is a front sectional view
- FIG. 29 is a side sectional view
- FIG. 30 is a plan sectional view
- FIG. 31 is an equivalent circuit diagram
- FIG. 32 is a mold structure.
- the block filter of this embodiment is configured to have a two-pole transfer characteristic.
- the block filter 80 is composed of a constituent block 80a and a pair of coaxial conductors provided in the constituent block 80a. 8, and a capacitor coaxial conductor 82 connected to the coaxial conductor 81.
- the coaxial conductor 81 and the capacitor coaxial conductor 82 are formed of a conductor formed in the air so as to cut out the constituent block 80a.
- a surface GND conductor 87 is formed around the constituent block 80a so as to cover it.
- a capacitor conductor 83 is formed at a position of the constituent block 80a facing the capacitor coaxial conductor 82.
- the capacitor conductor 83 and the surface GND conductor 87 are also used as an input / output terminal and a component fixing terminal, respectively.
- a conductive material is adhered to the inner surfaces of the coaxial conductor 81 and the capacitor coaxial conductor 82 by electroless plating, vapor deposition, or the like, thereby forming a transmission path.
- the coaxial conductor 81 is shown in the equivalent circuit diagram of FIG. 31; gZ4 is a coaxial line 94a, 94b having a length of less than or equal to 4; A GND conductor 87 is formed so as to surround it.
- the capacitor coaxial conductor 82 and the capacitor conductor 83 constitute an input / output coupling capacitance C i. Further, the coaxial conductors 81 are coupled by a coupling capacitance Cm and a coupling coefficient M. Since the block filter 80 is configured to form an equivalent circuit as shown in FIG. 31, it has a two-pole transmission characteristic.
- FIG. 32 is a schematic cross-sectional view showing an example of a mold for forming the constituent block 80a of the block filter 80.
- the mold is formed with a resin injection port 104 and an injection hole 106 in a metal base 103 of iron or the like, and in communication therewith, the component forming sections 105 a, 105. b is formed.
- the composite resin material for forming the constituent block 80a is injected in a liquid state from the resin injection port 104, and passes through the injection hole 106 to the component forming sections 105a and 105b. Reach.
- the block filter 80 According to the block filter 80, the change with time of the relative dielectric constant can be sufficiently suppressed even when used under high-temperature conditions. Therefore, the reliability of the block filter 80 in a high-temperature environment is improved. Further, since the block filter 80 uses a composite dielectric layer having a large bending strength as the constituent block 80a, it is possible to sufficiently prevent the block filter 80 from being damaged or deformed during handling.
- FIG. 33 to 37 show a power plug which is a 12th embodiment of the electronic component of the present invention.
- FIG. 33 is a transparent perspective view
- FIG. 34 is a cross-sectional view
- FIG. 35 is an exploded plan view of each constituent layer
- FIG. 36 is an internal connection diagram
- FIG. 37 is an equivalent circuit diagram.
- the coupler 110 includes a laminated body in which the constituent layers 110a to L10c are laminated, and an inner layer formed on the upper and lower surfaces of the constituent layer 110b of the laminated body.
- the internal GND conductor 115 has two coil patterns which are formed between the internal GND conductor 115 and constitute the transformer. Each coil pattern is composed of a plurality of internal conductors 113 and via holes 114 connecting these internal conductors 113, and has a spiral shape. As shown in FIG. 36, the end of each of the formed coil patterns and the internal GND conductor 115 are connected to terminal electrodes 112 formed on the side surfaces of the multilayer body, respectively. Note that the terminal electrodes 1 1 2 1 is formed.
- the constituent layers 110a to 110c of the coupler 110 preferably have as small a relative dielectric constant as possible when realizing a wider band.
- the relative permittivity should be as high as possible for miniaturization.
- a material having a dielectric constant suitable for the intended use, required performance, specifications, etc. may be used as a material constituting the constituent layers 110a to 110c.
- the specific dielectric constant of the constituent layers 110a to 110c is preferably set to 0.0025 to 0.0075.
- the composite dielectric layer is used as the constituent layers 110a to 110c.
- the constituent layers may be the same or different, and an optimal combination may be selected.
- this force bra 110 the change with time of the relative dielectric constant can be sufficiently suppressed even when used under high-temperature conditions. For this reason, the reliability of the force brass 110 in a high temperature environment is improved. Furthermore, since the coupler 110 uses a composite dielectric layer having high bending strength as the constituent layers 110a to 110c, it is possible to sufficiently prevent the coupler 110 from being damaged or deformed during handling. it can.
- FIGS. 38 to 40 are views showing an antenna which is a thirteenth embodiment of the electronic component of the present invention.
- FIG. 38 is a perspective perspective view
- FIG. (B) is a side sectional view
- (c) is a front sectional view
- FIG. 40 is an exploded perspective view of each constituent layer.
- the antenna 130 includes an elongated laminate obtained by laminating the constituent layers 130a to 130c, and the constituent layers 130b and 130b.
- Constituent layer It has an internal conductor 133 formed on each of the 130c, and terminal electrodes 132 provided at both ends of the long laminate.
- the inner conductors 1 3 3 constitute an antenna pattern.
- the inner conductor 133 is configured as a reactance element having a length of about ⁇ g / 4 with respect to a used frequency, and the antenna pattern is formed in a meandering shape.
- both ends of the internal conductor 13 3 are connected to the respective terminal electrodes 13 2.
- the constituent layers 130a to 130c of the antenna 130 preferably have a relative dielectric constant as small as possible in order to realize a wider band.
- the relative permittivity should be as high as possible for miniaturization. Therefore, a material having a relative dielectric constant suitable for the intended use, required performance, specifications, and the like may be used as a material constituting the constituent layers 130a to 130c.
- the relative dielectric constant of the constituent layer 130 a to l 3 O c is preferably from 2.6 to 40, and the dielectric loss tangent is preferably from 0.0007 to 0.025.
- the composite dielectric layer is used as the 30a to 130c.
- the frequency range is widened, and the frequency can be formed with high precision. It is also necessary to minimize material loss. Therefore, by setting the dielectric loss tangent (t a ⁇ ⁇ ) to 0.0025 to 0.0075, an antenna with extremely small material loss can be obtained.
- the constituent layers may be the same or different, and an optimum combination may be selected.
- the antenna 130 even when the antenna is used under a high temperature condition, the change with time of the relative dielectric constant can be sufficiently suppressed. For this reason, the reliability of the antenna 130 in a high temperature environment is improved. Furthermore, since the antenna 130 uses a composite dielectric layer having a high bending strength as the constituent layers 130a to 130c, it is possible to sufficiently prevent the antenna 130 from being damaged or deformed during handling. it can.
- FIG. 41 shows an electronic component according to a fourteenth embodiment of the present invention.
- FIG. 42 is a transparent perspective view, and
- FIG. 42 is an exploded perspective view of an antenna which is a fourteenth embodiment of the electronic component of the present invention.
- the antenna 140 is composed of the constituent layers 140a to l
- It has a laminated body obtained by laminating 40c, and internal conductors 144a formed on the constituent layer 140b and the constituent layer 140c, respectively.
- the upper and lower inner conductors 144a are connected by via holes 144 to form a helical antenna pattern (inductance element).
- terminal electrodes are provided at both ends of the laminated body, and both ends of the antenna pattern are connected to the respective terminal electrodes. .
- FIG. 43 is a perspective view showing a patch antenna which is a fifteenth embodiment of the electronic component of the present invention
- FIG. 44 is a fifteenth embodiment of the electronic component of the present invention.
- FIG. 2 is a cross-sectional view illustrating a patch antenna.
- the patch antenna 150 of the present embodiment includes a constituent layer 150a and a surface formed on the constituent layer 150a. And a GND conductor 155 formed on the bottom surface of the constituent layer 150a so as to face the patch conductor 159.
- the patch conductors 159 constitute an antenna pattern.
- a feed through conductor 154 is connected to the patch conductor 159 at a feed portion 153, and the through conductor 154 is connected to the GND conductor 155 so as not to be connected to the GND conductor 155. There is a gap 156 between them. For this reason, power is supplied from the lower portion of the GND conductor 1555 through the through conductor 1554.
- the relative dielectric constant of the constituent layer 150a of the patch antenna 150 is preferably as small as possible.
- the relative permittivity should be as high as possible. Therefore, as the constituent layer 150a, a material having a relative dielectric constant suitable for the intended use, required performance, specifications, and the like is used. May be used.
- the relative dielectric constant of the constituent layer 150a is 2.6 to 40, and the dielectric loss tangent is preferably 0.0075 to 0.025.
- the composite dielectric A body layer is used for the constituent layer 150a. As a result, the frequency range is widened, and the frequency can be formed with high precision. Further, by setting the dielectric loss tangent (ta ⁇ ⁇ ) to 0.0025 to 0.00007, an antenna with extremely low radiation loss and high radiation efficiency can be obtained.
- a magnetic material in a frequency band of several tens of degrees or less, can obtain the same wavelength shortening effect as a dielectric, and can further increase the inductance value of the radiating element. Also, by matching the frequency peak of Q, a high Q can be obtained even at a relatively low frequency. For this reason, when the patch antenna 150 is used for a wireless device of several to several hundred MHz, the magnetic permeability is preferably set to 3 to 20, and the composite layer containing the magnetic powder is preferably used as the constituent layer 150a. It is preferable to use a magnetic layer. As a result, high characteristics and miniaturization can be realized in a frequency band of several hundred MHz or less.
- the constituent layers may be the same or different, and an optimum combination may be selected.
- the change with time of the relative dielectric constant can be sufficiently suppressed even when used under the conditions. For this reason, the reliability of the patch antenna 150 in a high-temperature environment is improved. Further, since the patch antenna 150 uses a composite dielectric layer having high bending strength as the constituent layer 150a, it is possible to sufficiently prevent the patch antenna 150 from being damaged or deformed during handling.
- Fig. 45 is a perspective view showing a patch antenna according to a sixteenth embodiment of the electronic component of the present invention.
- Fig. 46 shows a patch antenna according to a sixteenth embodiment of the electronic component of the present invention. It is sectional drawing.
- the patch antenna 160 includes a constituent layer 160a and a patch conductor formed on the surface of the constituent layer 160a. Pattern) 169, and a GND conductor 165 formed on the bottom surface of the constituent layer 160a so as to face the patch conductor 169.
- a power supply conductor 16 1 for power supply is arranged near the patch conductor 169 on the side surface of the constituent layer 160 a so as not to contact with the patch conductor 169, so that power is supplied from the power supply terminal 162 to the power supply conductor 161. It is.
- the power supply terminal 162 is made of copper, gold, palladium, platinum, aluminum, or the like, and can be formed by a processing method such as plating, termination, printing, sputtering, or vapor deposition.
- the other components are the same as in the fifteenth embodiment, and the same components are denoted by the same reference numerals and description thereof will be omitted.
- FIG. 47 is a perspective view showing a multilayer patch antenna according to a seventeenth embodiment of the electronic component of the present invention.
- FIG. 48 is a perspective view showing a multilayer patch antenna according to a seventeenth embodiment of the electronic component of the present invention. It is sectional drawing which showed.
- the patch antenna 170 of the present embodiment includes a stacked body in which the constituent layers 150a and 150b are stacked, and the stacked body on the constituent layers 150a and 150b.
- Patch conductors 159a and 159e respectively, and a GND conductor 155 formed on the bottom surface of the constituent layer 150b so as to face the patch conductors 159a and 159e.
- a through conductor 154 for power supply is connected to the patch conductor 1 59a at the power supply section 1 53a, and the through conductor 154 is connected to the GND conductor 1 55 and the patch conductor 1 59e so as not to be connected to the patch conductor 1 59e.
- a gap 156 is provided between the gap 55 and the patch conductor 159e. For this reason, GN
- Power is supplied from the lower part of the D conductor 155 to the patch conductor 159a through the through conductor 154. At this time, power is supplied to the patch conductor 159 e by capacitive coupling with the patch conductor 159 a and capacitance formed by a gap with the through conductor 154.
- Other components are the same as those of the fifteenth embodiment, and the same components are denoted by the same reference numerals and description thereof will be omitted.
- Fig. 49 is a perspective view showing a multiple patch antenna according to the eighteenth embodiment of the electronic component of the present invention.
- Fig. 50 is a multiple patch antenna according to the eighteenth embodiment of the electronic component of the present invention. It is sectional drawing which showed the antenna.
- the patch antenna 180 of the present embodiment is different from the patch antenna 180 in that only four conductive element portions constituting an antenna are provided in a lattice in a lattice shape. This is different from the patch antenna of the seventeenth embodiment. That is, as shown in FIG. 49 and FIG. 50, the patch antenna 180 is configured by stacking the constituent layers 150a and 150b and the patch formed on the constituent layer 150a. Conductors 159a, 159b, 159c, 159d and patch conductors 159e, 159f, 159g, 159h formed on component layer 150b And a GND conductor 155 formed on the bottom surface of the constituent layer 150b so as to face the patch conductors 159a and 159e. Other components are the same as those in the seventeenth embodiment, and the same components are denoted by the same reference numerals and description thereof will be omitted.
- the size of the patch antenna can be reduced and the number of components can be reduced.
- FIGS. 51 to 53 show a VCO (Voltage Controlled Oscillator) which is a ninth embodiment of the electronic component of the present invention.
- VCO Voltage Controlled Oscillator
- FIG. 51 is a transparent perspective view
- FIG. 52 is a sectional view
- FIG. 53 is an equivalent circuit diagram.
- VC ⁇ 210 is composed of constituent layers 210a to 21
- VCO 210 is configured to form an equivalent circuit as shown in FIG. 53, and the conductor pattern 263 is a strip line.
- VC02 10 is a strip In addition to capacitors, it has capacitors, signal lines, semiconductor elements, power supply lines, etc. For this reason, it is effective to form the constituent layers with materials suitable for each function.
- a strip line 263 as an internal conductor is formed on the surface of the constituent layer 210g, and a GND conductor 262 and a terminal conductor 266 are formed on the back surface.
- the surface of the constituent layer 210e has a capacitor conductor 26
- a wiring inductor conductor 265 is formed on the surface of the constituent layer 210b. Further, the internal conductors formed in the respective constituent layers are connected by via holes 214, and the mounted electronic components 261 are mounted on the surface thereof to form a VCO as shown in the equivalent circuit of FIG.
- the VCO 210 of the present embodiment it is preferable to use a composite dielectric layer having a dielectric loss tangent of 0.0025 to 0.0075 for the constituent layers 21Of and 210g constituting the resonator. It is preferable to use a composite dielectric layer having a dielectric loss tangent of 0.0075 to 0.025 and a relative dielectric constant of 5 to 40 for the constituent layers 210 c to 210 e constituting the above.
- the constituent layers 210a and 210b that constitute the wiring and the inductor have a dielectric loss tangent of 0.0025-0. ⁇ 075 and a relative permittivity of 2.6.
- the relative permittivity, Q, and dielectric loss tangent suitable for each function can be obtained, and high performance, small size, and thinness can be achieved.
- the change with time of the relative dielectric constant can be sufficiently suppressed even when used under high temperature conditions. Therefore, the reliability of the VC0210 in a high-temperature environment is improved.
- the VCO 210 uses a composite dielectric layer having high bending strength as the constituent layers 210a to 210g, it is possible to sufficiently prevent the VC0210 from being damaged or deformed during handling.
- FIGS. 54 to 56 show a power amplifier (power amplifier) which is a twentieth embodiment of the electronic component of the present invention.
- FIG. 54 is an exploded plan view of each constituent layer
- FIG. 55 is a sectional view
- FIG. 56 is an equivalent circuit diagram.
- the power amplifier 300 includes a laminated body including the constituent layers 300a to 300e, and a capacitor disposed on the laminated body. It has an electric element 361 such as an inductor, a semiconductor, a resistor, and the like, and conductive patterns 313, 315 formed on upper and lower surfaces of the constituent layers 300a to 300e. Since this power amplifier is constituted by an equivalent circuit as shown in FIG. 56, it has striplines 11 to 1 ⁇ 17, capacitors C11 to C20, signal lines, power supply lines to semiconductors, and the like. For this reason, it is effective to form the constituent layers using materials suitable for each function.
- an internal conductor 313, a GND conductor 315, and the like are formed on the surface of these constituent layers 300a to 300e.
- the respective internal conductors are connected by via holes 314, and mounted electronic components 361 are mounted on the surface of the laminate to form a power amplifier as shown in the equivalent circuit of FIG.
- the constituent layers 300d and 300e constituting the strip line have a dielectric loss tangent of 0.0075 to 0.025 and a specific dielectric constant of 2 It is preferable to use 6 to 40 composite dielectric layers. It is preferable to use a composite dielectric layer having a dielectric loss tangent of 0.0075 to 0.025 and a relative dielectric constant of 5 to 40 for the constituent layers 300a to 300c constituting the capacitor. .
- the dielectric constant, Q, and dielectric loss tangent suitable for each function can be obtained, and high performance, small size, and thinness can be achieved.
- the change with time of the relative dielectric constant can be sufficiently suppressed even when used under a high temperature condition. Therefore, the reliability of the power amplifier 300 in a high temperature environment is improved. Further, since the power amplifier 300 uses a composite dielectric layer having high bending strength as the constituent layers 300a to 300e, it is possible to sufficiently prevent the power amplifier 300 from being damaged or deformed during handling. (21st embodiment)
- FIG. 57 to 59 show a superimposed module used in an optical pickup or the like, which is a twenty-first embodiment of the electronic component of the present invention.
- FIG. 57 is an exploded plan view of each constituent layer
- FIG. 58 is a cross-sectional view
- FIG. 59 is an equivalent circuit diagram.
- the superimposition module 400 includes a stacked body in which constituent layers 400a to 400k are stacked, and electric elements such as capacitors, inductors, semiconductors, and resistors formed and arranged on the stacked body. 461, and conductive patterns 413, 415, etc. formed in the constituent layers 400a to 400k and on the upper and lower surfaces thereof. Since the superposition module 400 is configured by an equivalent circuit as shown in FIG. 59, it has inductors L21 and L23, capacitors C21 to C27, signal lines, power supply lines to semiconductors, and the like. For this reason, it is effective to form the constituent layers using materials suitable for each function.
- an internal conductor 413, a GND conductor 415, and the like are formed on the surfaces of these constituent layers 400a to 400k. Further, the respective upper conductors are vertically connected by via holes 414, and mounted electronic components 461 are mounted on the surface to form a superimposed module as shown in the equivalent circuit of FIG. 59.
- the constituent layers 400d to 400h constituting the capacitor have a composite dielectric material having a dielectric loss tangent of 0.0075 to 0.025 and a relative dielectric constant of 10 to 40. It is preferable to use a body layer.
- a composite dielectric layer having a dielectric loss tangent of 0.0025 to 0.0075 and a relative dielectric constant of 2.6 to 3.5 should be used for the constituent layers 400a to 400c and 400j to 400k constituting the inductor. Is preferred.
- the relative permittivity does not change with time even when used under high temperature conditions. In minutes. For this reason, the reliability of the superimposition module 400 in a high temperature environment is improved. Further, superposition module 400, due to the use of large composite dielectric layer of flexural strength as a structure layer 400 A ⁇ 400 k, can be sufficiently prevented defects or deformation during handling of the superimposed modules 4 00.
- FIG. 60 to FIG. 63 show an RF module which is a twenty-second embodiment of the electronic component of the present invention.
- FIG. 60 is a perspective view
- FIG. 61 is a perspective view with the exterior member removed
- FIG. 62 is an exploded perspective view of each constituent layer
- FIG. 63 is a cross-sectional view.
- the RF module 500 includes a laminated body in which constituent layers 500a to 500i are laminated, and electric elements such as capacitors, inductors, semiconductors, and resistors disposed on the laminated body. 561, conductive patterns 5 13, 5 15, 5 72 formed in the constituent layers 500 a to 500 i and on the upper and lower surfaces thereof, and an antenna pattern 573.
- This RF module 500 has an inductor, a capacitor, a signal line, a power supply line to a semiconductor, and the like as described above. For this reason, it is effective to form the constituent layers using materials suitable for each function.
- the antenna configuration, strip line configuration, and wiring layers 500a to 500d and 500g have a dielectric loss tangent of 0.0025 to 0.0075 and a relative dielectric constant of 2 It is preferable to use the composite dielectric layers of 6 to 3.5. It is preferable to use a composite dielectric layer having a dielectric loss tangent of 0.0075 to 0.025 and a relative dielectric constant of 10 to 40 for the capacitor constituent layers 500e to 500f.
- the power supply line layers 500 h to 500 i it is preferable to use a composite magnetic material layer having a magnetic permeability of 3 to 20 and containing magnetic material powder.
- an internal conductor 513, a GND conductor 515, an antenna conductor 573, and the like are formed on the surfaces of these constituent layers 500a to 500i. Further, the respective inner conductors are vertically connected by via holes 514, and the mounted electric element 561 is mounted on the surface of the laminate to form an RF module.
- the dielectric constant, Q, and dielectric loss tangent suitable for each function can be obtained, and high performance, small size, and thinness can be achieved.
- this RF module 500 even when the RF module 500 is used under a high temperature condition, a change with time in the relative dielectric constant can be sufficiently suppressed. Therefore, the reliability of the RF module 500 in a high temperature environment is improved. Further, since the RF module 500 uses a composite dielectric layer having a large bending strength as the constituent layers 500a to 500i, it is possible to sufficiently prevent the RF module 500 from being damaged or deformed during handling.
- FIGS. 64 and 65 show a resonator according to a twenty-third embodiment of the electronic component of the present invention.
- FIG. 64 is a transparent perspective view
- FIG. 65 is a cross-sectional view.
- the resonator 600 includes a base member 610 and a cylindrical coaxial conductor 641 penetrating the base member 610.
- the manufacturing method of the resonator 600 is the same as that of the block filter of the first embodiment. That is, first, the surface GND conductor 647 and the end conductor 6 are formed on the surface of the base material 6 10 having a cylindrical through-hole formed by die molding by a processing method such as plating, etching, printing, sputtering, or vapor deposition. 8 2 is formed, and a coaxial conductor 6 4 1 is formed on the inner wall surface of the base material 6 10 so that the surface GND conductor 6 4 7 and the end conductor 6 8 2 are connected and connected to the coaxial conductor 64 1
- the surface GND conductor 647, the end conductor 682, the coaxial conductor 641, and the HOT terminal 681 for the resonator are made of copper, gold, palladium, platinum, aluminum, or the like.
- the coaxial conductor 641 is a coaxial line having a certain characteristic impedance
- a surface GND conductor 647 is formed on the base material 610 so as to surround the coaxial conductor 61.
- the base material 610 of this resonator has a relative dielectric constant of 2.6 to 40 so that a desired resonance characteristic can be obtained in a band of several hundred MHz to several GHz. Become. It is also desirable to minimize the material loss of the resonator, It is preferable that the dielectric loss tangent (tan S) is 0.025 to 0.075.
- the composite dielectric layer described above is used as such a base material 610.
- the resonator 600 even when the resonator 600 is used under a high temperature condition, the change with time of the relative dielectric constant can be sufficiently suppressed. Therefore, the reliability of the resonator 600 in a high temperature environment is improved. Furthermore, since the resonator 600 uses a composite dielectric layer having a large bending strength as the base material 6100, it is possible to sufficiently prevent the resonator 600 from being damaged or deformed during handling.
- FIGS. 66 and 67 show a strip resonator which is a twenty-fourth embodiment of the electronic component of the present invention.
- FIG. 66 is a transparent perspective view
- FIG. 67 is a cross-sectional view.
- the strip resonator 700 is composed of a laminated body formed by laminating constituent layers 7110a to 7110d, and a constituent layer 7110. a rectangular strip conductor 784 formed on c and a rectangular GND formed on the constituent layers 7110b and 7110d so as to sandwich the strip conductor 784 And conductors 883.
- a resonator HOT terminal 781 and a GND terminal 782 are provided on both sides of the laminate, respectively, and both ends of the strip conductor 784 are respectively provided with a resonator HOT terminal.
- the strip resonator 700 may be manufactured in the same manner as the inductor of the first embodiment.
- the constituent layers 7100a to 7110d of the resonator have a relative dielectric constant of 2.6 to 40, so that a desired layer can be formed in a band of several hundred MHz to several GHz. Resonance characteristics can be obtained. In addition, it is desirable that the material loss of the resonator is suppressed as much as possible, and the dielectric loss tangent (t an s) is preferably set to 0.025 to 0.075.
- the composite dielectric layer described above is used as such constituent layers 710a to 710d. (25th embodiment)
- FIG. 68 shows a resonator which is a twenty-fifth embodiment of the electronic component of the present invention.
- the resonator 800 includes a base material 810, a cylindrical coaxial conductor 841 penetrating the base material 810, and a coaxial conductor 841 penetrating the base material 810. And a coaxial conductor 842 provided in parallel.
- an end electrode 882 is formed at one end of the coaxial conductor 842, and a connection electrode 885 is formed at the other end.
- One end of the coaxial conductor 841 is connected to the coaxial conductor 841 via the connection electrode 885, and a HOT terminal 881 for a resonator is formed at the other end.
- the end electrode 882 and the HOT terminal 881 for the resonator are electrically insulated.
- a surface GND conductor 847 is formed so as to surround the base material 810.
- the surface GND conductor 847 is electrically insulated from the force resonator HOT terminal 881, which is connected to the end electrode 882. Therefore, the coaxial conductors 841 and 842 function as a coaxial line having a certain characteristic impedance.
- the relative permittivity of the base material 810 of the resonator By setting the relative permittivity of the base material 810 of the resonator to 2.6 to 40, desired resonance characteristics can be obtained in a band of several hundred MHz to several GHz. Further, it is desirable to suppress the material loss of the resonator as much as possible, and it is preferable that the dielectric loss tangent (tanS) is 0.0025 to 0.0075.
- the composite dielectric layer is used as such a base material 810.
- Fig. 69 is a transparent perspective view showing a strip resonator that is a twenty-sixth embodiment of the electronic component of the present invention.
- the strip resonator 850 includes a plurality of constituent layers 81
- a HOT terminal 881 for resonator and a GND terminal 882 are arranged in parallel on both sides of the laminate, respectively. Both ends of the strip conductor 884 are connected to a resonator HOT terminal 881 and a GND terminal 882, respectively.
- the manufacturing method of the strip resonator 850 is the same as that of the inductor of the first embodiment.
- the material of the constituent layer 810 of the resonator 850 has a relative dielectric constant of 2.6 to 40, so that a desired resonance characteristic can be obtained in a band of several hundred MHz to several GHz. . Further, it is desirable to suppress the material loss of the resonator as much as possible, and it is preferable that the dielectric loss tangent (tanS) is 0.0025 to 0.0075. It is preferable to use the above-mentioned composite dielectric layer as such a constituent layer 810.
- Fig. 70 shows an equivalent circuit diagram of the resonator of each of the 23rd to 26th embodiments.
- a resonator HOT terminal 981 is connected to one end of a resonator 984, 941 composed of a coaxial path or a strip line, and a GND terminal 982 is connected to the other end.
- Fig. 71 is a block diagram showing a twenty-seventh embodiment of the electronic component of the present invention, and shows an example in which the electronic component of the present invention is used in a portable terminal device.
- the transmission signal transmitted from the baseband unit 1010 is mixed by the mixer 1001 with the RF signal from the hybrid circuit 1021.
- the hybrid circuit 1021 is connected to a voltage control transmission circuit (VCO) 1020, which forms a synthesizer circuit together with the phase lock loop circuit 1019 so that an RF signal of a predetermined frequency is supplied.
- VCO voltage control transmission circuit
- the transmission signal subjected to RF modulation by the mixer 1001 passes through a band-pass filter (BPF) 1002, and is amplified by a power amplifier 1003.
- BPF band-pass filter
- a part of the output of the power amplifier 1003 is taken out from the coupler 1004, adjusted to a predetermined level by the attenuator 1005, and then again turned on. And is adjusted so that the gain of the power amplifier becomes constant.
- the transmission signal transmitted from the coupler 1004 is input to the duplexer 1008 via the isolator 1006 for backflow prevention and the low-pass filter 1007, and transmitted from the antenna 1009 connected thereto.
- the received signal input to the antenna 1009 is input from the duplexer 1008 to the amplifier 1011, and is amplified to a predetermined level.
- the received signal output from the amplifier 1011 passes through the bandpass filter 1012, and is input to the mixer 1013.
- the RF signal is input to the mixer 1013 from the hybrid circuit 1021 via a band-pass filter (BPF) 1022, and the RF signal component is removed and demodulated.
- BPF band-pass filter
- the received signal output from mixer 1013 is amplified by amplifier 1015 via SAW finalizer 1014, and then input to mixer 1016.
- a local transmission signal of a predetermined frequency is input to a mixer 1016 from a local transmission circuit 1018, the received signal is converted to a desired frequency, and amplified to a predetermined level by an amplifier 1017, and then the baseband cut is output. Sent to
- the portable terminal device 1000 includes an antenna front-end module 1200 including an antenna 1009, a duplexer 1008, and a low-pass filter 1007 (see a broken line in FIG. 71), a isolator 1006, a coupler 1004, an attenuator 1005, and a power amplifier 1003.
- the above-described antenna and power amplifier can be used as the isolator power amplifier module (see the broken line in FIG. 71) 1100 and the like, and thus a hybrid module can be configured.
- the fact that components including other components can be configured as RF cuts has already been described in the twenty-second embodiment, and the BPF, VCO, etc. in FIG.
- the VCO shown in the embodiment and the nineteenth embodiment can be used.
- the portable terminal device 1000 can be downsized by downsizing the electronic component. Also, since the electronic component of this embodiment has excellent bending strength, Thus, loss or deformation of the electronic component can be sufficiently prevented. Furthermore, the electronic components of the present embodiment sufficiently prevent the dielectric properties from changing over time even when used at high temperatures, so that even when the mobile terminal device 1 000 is used at high temperatures, its performance is maintained for a long period of time. can do.
- FIG. 76 is a partial cross-sectional view showing an electronic component according to a twenty-eighth embodiment of the present invention.
- Fig. 76 shows a power amplifier 1 1 1 having electronic components including a multilayer substrate 1 1 1 0 and electric elements 1 1 20a and 1 1 20b provided on the multilayer substrate 1 1 1 0. 00 is shown.
- the multilayer substrate 1 1 1 10 has two outermost layers (first dielectric layers) 1 1 1 0 a and 1 1 00 g, and the two outermost layers 1 1 1 A plurality of (three in the present embodiment) constituent layers (second dielectric layers) 1110b to 1110f containing a resin are arranged between 0a and 11llOg.
- the multilayer substrate 1 11 0 is formed on the surface of the constituent layer 1 1 10 a, between the constituent layers 1 1 1 0 a and 1 1 1 0 b, and between the constituent layers 1 1 1 0 b and 1 Between 110c, between constituent layer 111c and constituent layer 111d, between constituent layer 110d and constituent layer 111e, constituent layer 111 Conductive layer between 10 e and constituent layer 11 10 f, between constituent layer 11 10 ⁇ and constituent layer 11 10 g, and on the surface of constituent layer 11 10 g It has 1 130 a to 1 130 h.
- the constituent layers 1 11 O a ⁇ : L 110 g, and the conductor layers 1 130 a ⁇ : L 130 h are laminated.
- the critical deflection of the constituent layers 1100a and 1100g is 1.3 times or more of the constituent layers 1110b to 1110f.
- the dielectric loss tangent ta ⁇ ⁇ of each of the constituent layers 11 10 b to 11 10 f is less than 0.01.
- the multilayer substrate 111 is composed of the constituent layers 110110a, 1 1 1 0 g and a constituent layer 1 1 1 10 b to 1 1 1 0 f having excellent electrical characteristics. For this reason, even if an excessive load is applied to the power amplifier 1100 after commercialization, the occurrence of defects in the multilayer substrate 1110 in the power amplifier 1100 can be sufficiently maintained while maintaining good electrical characteristics. Can be prevented. In other words, according to the power amplifier 110, the characteristics can be sufficiently improved.
- the break is often started from the surface layer portion, and the strength of the multilayer substrate depends on the strength of the outermost layer.
- the constituent layers 111a and 110g made of a material with high mechanical strength are the outermost layers of the multi-layer substrate 111. Therefore, the breakage of the multilayer substrate 110 is more sufficiently prevented.
- the multilayer substrate 11 It is difficult to connect to the strength gap of 10 and it is not possible to sufficiently prevent the occurrence of defects in the multilayer substrate 110 10 when an excessive load is applied. Further, the dielectric loss tangent tan [delta] of the constituent layers 1 1 1 0 b ⁇ 1 1 1 0 f is greater than 0.0 1, compared to the case Se & 1 10 is 0.0 1 or less, the power amplifier 1 1 The Q value of 00 is greatly reduced, and the electrical characteristics are not maintained well.
- the critical deflection amount of the constituent layers 1 1 10a and 1 1 10b is as follows. It is preferably 1.5 times or more of f, and more preferably 20 times or less. If the limit deflection exceeds 20 times, handling in the process becomes difficult.
- the dielectric loss tangent t a ⁇ ⁇ of each of the constituent layers 11 10 b to 11 10 f is preferably 0.005 or less. In this case, it is possible to improve the electrical characteristics as compared with the case where t anS exceeds 0.0005.
- the resin contained in the constituent layers 1110b to 1110f is not particularly limited.
- this resin include tetrafluoroethylene and aromatic liquid crystal polyester. , Polyphenylene sulfide, polyvinyl benzyl ether compound, divinyl benzene, fumarate, polyphenylene oxide (Ethenole), cyanate ester, bismaleimid triazine, polyether ether ketone, polyimide, and the like.
- a mixture of an epoxy resin and an active ester cured resin having a high Q value may be used as the resin.
- the constituent layers 1 1 10b to: LllOf may further include, in addition to the above resin, a ceramic powder having a higher dielectric constant than this resin.
- a ceramic powder having a higher dielectric constant in this case, even when a resin having a small dielectric constant is used, the dielectric loss tangent t an ⁇ can be set to 0.01 or less in the constituent layers 110b to 110f.
- Such ceramic powder is divided into dielectric ceramic powder and magnetic powder.
- the dielectric ceramic powder is selected from the group consisting of magnesium, silicon, anorenium, titanium, zinc, calcium, stonium, zirconium, barium, tin, neodymium, bismuth, lithium, samarium, and tantalum.
- the relative permittivity of the metal oxide powder is less than 3.7, the relative permittivity of the composite dielectric layer cannot be increased, making it difficult to reduce the size and weight of electronic components.
- the dielectric ceramic powder is usually composed of a single crystal or polycrystal.
- dielectric ceramic powder examples include those described above as specific examples of the dielectric ceramic powder contained in the composite dielectric layer, as well as silicon dioxide, glass, hydroxide (aluminum hydroxide, Insulating properties such as magnesium hydroxide And the like.
- the shape of the dielectric ceramic powder may be spherical, crushed, scaly, or acicular.
- a 1 2 0 3 Preferred as the main component is the same as the dielectric ceramic powder contained in the composite dielectric layer described above.
- the dielectric ceramic powder containing the above component as a main component may be used alone, or two or more kinds may be used in combination.
- the average particle diameter of the dielectric ceramic powder is preferably in the range of 0.01 to 100 ⁇ for the same reason as the dielectric ceramic powder contained in the composite dielectric layer described above, More preferably, it is in the range of 0.2 to 20 ⁇ .
- the amount of the dielectric ceramic powder added is in the range of 5 to 185 parts by volume with respect to 100 parts by volume of the organic insulating material for the same reason as the dielectric ceramic powder contained in the composite dielectric layer described above. It is preferable to select an appropriate amount within this range in accordance with the required dielectric constant and dielectric loss tangent.
- the magnetic powder can add magnetic properties to the constituent layers 110b to 110f, reduce the linear expansion coefficient, and improve the material strength.
- magnetic substance powder examples include the same as the magnetic substance powder contained in the composite dielectric layer described above. These may be used alone or in combination of two or more.
- the average particle size of the magnetic powder is preferably in the range of 0.01 to 100 ⁇ um for the same reason as the magnetic powder contained in the composite dielectric layer described above. More preferably, it is in the range of 2 to 20 ⁇ .
- the amount of the magnetic powder added is 5 to 18 5 volume parts per 100 volume parts of the organic insulating material for the same reason as the magnetic powder contained in the composite dielectric layer described above. It is preferable to select an appropriate amount within this range.
- the resin contained in the constituent layers 1 1 10a and 1 1 10g includes, in addition to the resin contained in the constituent layers 1 1 1 10b to 1 1 1 0 0, epoxy resin and phenol resin.
- the constituent layers 111a and 110g may further include, in addition to the above resin, ceramic powder having a higher dielectric constant than this resin. If the constituent layers 1 1 1 0 a and 1 1 10 g contain a large amount of ceramic powder, the constituent layers 1 1 1 0 a and 1 1 1 0 g will have a critical deflection of It is difficult to make it 1.3 times or more than 1 110 f. On the other hand, when the constituent layers 111a and 110g contain a large amount of ceramic powder, the electrical characteristics are further improved. Therefore, it is preferable to add the ceramic powder appropriately. Specifically, it is preferable to add 10 to 200 parts by volume of the ceramic powder to 100 parts by volume of the resin.
- the peel strength of the constituent layers 111a and 110g is: 1.
- the peel strength of the constituent layers 111b-: LllOf is 1. It is preferably at least 5 times. In this case, even if an excessive load is applied to the power amplifier 110 after commercialization, it is possible to sufficiently prevent the occurrence of defects in the multilayer substrate 110 while maintaining good electrical characteristics.
- the bonding strength and peeling strength of the mounted passive and active elements can be improved as compared with less than 1.5 times, The strength of the multilayer substrate 1 110 and the conductor layer 1 130 h as the electrode of the power amplifier 1 100 as an electronic component is better. Or improve.
- the peel strength of the constituent layers 1 1 10a and lllOg be at least twice the peel strength of the constituent layers 1 1 10'b to l1 10f.
- the peel strength of the constituent layers 1110a and lllOg is not more than 20 times the peel strength of the constituent layers 110b to Lllof.
- the conductor layer for example, copper foil
- the peel strength of the constituent layers 1 1 10a and lllOg is preferably 8 N / cm or more, more preferably 1 ONZcm or more.
- the loss and terminals of This has the advantage that problems such as peeling of the conductor layer 1 130 h are less likely to occur.
- the peel strength of the constituent layers 1 1 10a and lllOg is preferably 100 N / cm or less. If the peel strength of the constituent layers 110a and l110g exceeds 10 mm / cm, the conductor layer (for example, copper foil) must be considerably roughened, which adversely affects the high frequency characteristics of the power amplifier 1100.
- the constituent layer 1 1 10d has a cloth 1 13 1 made of a reinforcing fiber, and forms a core substrate.
- the material and thickness of the cloth 111 are as described above.
- the material constituting the conductor layers 1 1 30a to 1 1 30h is not particularly limited as long as it is a conductive material.
- a conductive material examples include Cu, Ni, Al, Au, and Ag. Is mentioned. Among them, Cu is more preferable. This is because Cu reduces the internal resistance and does not easily cause migration.
- capacitors, inductors, semiconductors, resistors, etc. are used as the electric elements 1 120 a and 1 120 b. You can.
- the multilayer substrate 111 can be manufactured using a general printed circuit board method such as a build-up method or a batch laminating method.
- FIG. 77 is a perspective view showing a capacitor (capacitor) which is a twentieth embodiment of the electronic component of the present invention.
- FIG. 78 is a 29th embodiment of the electronic component of the present invention.
- FIG. 3 is a partial cross-sectional view illustrating a capacitor.
- the capacitor 1200 is formed on the laminated body obtained by laminating the constituent layers 1200a to 200g, and on the constituent layers 1200b to 1200g.
- Conductor layer 23, and terminal electrodes 22 provided on both sides of the laminate, respectively.
- the adjacent inner conductors 23 are connected to different terminal electrodes 22 respectively.
- Land patterns 21 are provided at both ends of the terminal electrode 22.
- the constituent layers 1200a and 1200g are made of the same material as the constituent layers 1100a and 1100b of the 27th embodiment, and the constituent layers 1200b to 1200f are used. Is made of the same material as the constituent layers 1110b to 1110f of the 27th embodiment. That is, the critical deflection of the constituent layers 1 200 a and 1 200 g is more than 1.3 times the constituent layers 1 200 b to 1 200 f, and the constituent layers 1 200 b to 120
- each of the constituent layers 1200a to 1200g in order to increase the capacity of the capacitor 1200, it is necessary to increase the dielectric constant of the material of the constituent layers 1200b to 1200f as much as possible.
- the resin contained in the constituent layers 1200 b to 1200 f is composited with a ceramic powder having a higher dielectric constant than the resin.
- a high-frequency electromagnetic field is applied to the capacitor 1200.
- the Q of the capacitor 1200 also often affects the electrical characteristics. In such a case, it is preferable to make ta ⁇ ⁇ as small as possible.
- the resin constituting the constituent layers 1200 b to 1200 f it is only necessary to composite a ceramic powder having a power of selecting a resin having a small ta ⁇ ⁇ and a ta ⁇ ⁇ lower than the resin.
- a resin or ceramic powder the resin or ceramic powder in the twenty-seventh embodiment can be used.
- Each of the constituent layers 1200a and 1200g may be the same or different, and an optimal combination may be selected.
- the constituent layers 1200b to 1200f may be the same or different, and an optimum combination may be selected.
- Fig. 79 is a perspective view showing an inductor that is a 30th embodiment of the electronic component of the present invention.
- Fig. 80 is a portion showing an inductor that is a 30th embodiment of the electronic component of the present invention. It is sectional drawing.
- the inductor 1300 includes a laminate formed by laminating the constituent layers 1300a to 1300e, and the internal conductor 13 provided in the constituent layers 1300b to 1300e. a to 13 (conductor layer) d, and via holes 14 for electrically connecting the internal conductors 13 a to 13 d.
- a coil pattern (conductive element portion) is constituted by the internal conductor 13 and the via hole 14.
- the constituent layers 1300a and 1300e are made of the same material as the constituent layers 110a and 110g of the 28th embodiment.
- b to 130 d are made of the same material as the constituent layers 111 b to 110 f of the 28th embodiment. That is, the critical deflection amount of the constituent layers 1300a and 1300g is 1.3 times or more of the constituent layers 1300b to 1300d, and the constituent layers 1300b to 130
- the dielectric loss tangent ta ⁇ ⁇ of 0 d is 0.01 or less. Therefore, this inductor According to 1300, even if an excessive load is applied to inductor 1300 after commercialization, it is possible to sufficiently prevent the occurrence of defects in inductor 1300 while maintaining good electrical characteristics. .
- terminal electrodes 12 are provided on both opposing side surfaces of the laminate, and both end portions of the coil pattern are connected to the terminal electrodes 12, respectively.
- land patterns 11 are provided at both ends of the terminal electrode 12.
- the constituent layers 1300a and 1300e may be the same or different, and an optimum combination may be selected.
- the constituent layers 1300b to 1300d may be the same or different, and an optimal combination may be selected. Note that the same or equivalent components as those of the above embodiment are denoted by the same reference numerals, and redundant description will be omitted.
- the internal conductors 13a to 13d are formed in a helical shape together with the via holes 14. However, the via conductor 14 is removed, and the internal conductors 13a to 13d are combined into one. This may be configured in a meander shape. Even with such a configuration, it is possible to function as an inductor.
- the electronic components of the present invention include, in addition to the electronic components described in the first to twenty-seventh embodiments, a coil core, a toroidal core, a disk capacitor, a feedthrough capacitor, a clamp filter, a common mode filter, an EMC finoleta, a power supply filter, Pulse transformers, polarizing coils, choke coils, DC-DC converters, delay lines, radio wave absorption sheets, thin radio wave absorbers, electromagnetic shields, diplexers, duplexers, antennas, antenna front end modules, isolators ⁇ No.
- the power amplifier 110, the capacitor 1200, and the inductor 1300 are used as the electronic components.
- Electronic components apply to VCOs, antenna switch modules, front-end modules, PLL modules, RF tuner modules, RF units, superimposing modules, TCXOs, etc., in addition to the above power amplifiers, capacitors, and inductors It is also possible.
- the maximum deflection amount of the outermost layer is 1.3 times or more the thickness of the constituent layers arranged between them. If the peel strength of the outermost layer is at least 1.5 times that of the constituent layers located between them, the critical deflection of the outermost layer will not necessarily It does not need to be 1.3 times or more. Even in this case, even if an excessive load is applied to the electronic component after commercialization, it is possible to sufficiently prevent the occurrence of defects in the electronic component while maintaining good electrical characteristics.
- the peel strength of the outermost layer is preferably not more than 20 times that of the constituent layers disposed between them. If the peel strength of the outermost layer exceeds 20 times the peel strength of the constituent layers located between them, the conductor layer (for example, copper foil) must be considerably roughened, which adversely affects the high-frequency characteristics of electronic components. Occurs.
- each of the two outermost layers has a critical deflection of 1.3 times or more the thickness of the constituent layer disposed between them. It is sufficient that the critical deflection of either one of the outermost layers is at least 1.3 times the constituent layer. Even in this case, even if an excessive load is applied to the electronic component after commercialization, it is possible to sufficiently prevent the occurrence of defects in the electronic component while maintaining good electrical characteristics.
- This isophthalic acid chloride solution was heated to 60 ° C, and added dropwise over 15 seconds to the ⁇ -naphthol solution stirred at 300 rotations with a Faradora blade for 15 hours. Hold and react. After the completion of the reaction, the mixture was allowed to stand and separated, and the aqueous phase was removed. For the toluene phase, washing with 0.5% sodium carbonate water for 30 minutes and standing liquid separation were repeated three times, and then washing with deionized water for 30 minutes and standing liquid separation were repeated three times.
- polyarylate 1 the obtained polyarylate is referred to as “polyarylate 1”.
- BaNd 2 Ti0 4 based dielectric ceramic powder (average particle diameter 1. 6 mu m, the dielectric in the Giga H z band characteristic: £ 90ZQ 1 700, TDK (Ltd.)) 177 parts by weight of tetrahydrofuran as an organic solvent 620 0.9 parts by weight of KBM573 (Shin-Etsu Chemical Co., Ltd.) as a coupling agent was placed in a 5-liter beaker, and stirred for 4 hours using a stirrer. After that, epoxy resin EP I CLON HP 720
- paste B was placed in a beaker of the paste A, and the mixture was stirred until completely dispersed to obtain a paste (paste C).
- This paste C was coated with 18 ⁇ electrolytic copper foil (CF- ⁇ 9, Fukuda Metal Foil Co.) Co., Ltd.) or 50 / mPET film was coated using a doctor blade and dried at 50 ° C./10 minutes + 120 ° C./10 minutes. The thickness of the obtained resin composition was 50 m.
- the temperature was raised from 30 ° C to 150 ° C in 2 ° CZ by a high-temperature vacuum press (KVHC type, Kitagawa Seiki Co., Ltd.), held for 60 minutes, then 3 ° C
- the press was performed under the following conditions: temperature rise to 190 ° C / min and hold for 60 minutes; temperature profile, pressure of 3 MPa, degree of vacuum of 30 torr or less.
- the thickness of the cured product of the resin composition obtained after pressing was 500 ⁇ .
- Table 2 except for using weight according Dohyo the materials described in the same manner as in Example A 1, Ba 2 Ti 9 0 2.
- a cured product containing a dielectric ceramic powder (average particle size 1.7 ⁇ m, dielectric property in giga Hz band: E39ZQ900, TDK Corporation) was obtained.
- the cured product was a rod-shaped sample with a length of 10 Omm, a width of 1.5 mm, and a thickness of 0.5 mm, and a cavity resonator perturbation method (TDK Corporation developed high-frequency dielectric property measurement device, Heurett The dielectric constant and the dielectric loss tangent were measured at a frequency of 2 GHz using a Packard 8362 OA and 8757D.
- the stiff dangling object was made into a flat sample having a length of 5 Omm, ⁇ 5 Omm, and a thickness of 0.5 mm, and dried at 120 ° C for 1 hour under reduced pressure (at a reduced pressure of 5 torr or less). After leaving for 1 hour in a constant temperature / humidity bath maintained at 25 ° C / 60% RH, the initial weight was measured with a precision balance (ER-182A, Kensei Kogyo Co., Ltd.).
- Paste C (or paste C equivalent) was applied to a thickness of 05 mm, and dried at 50 ° C / 10 minutes + 120 ° C / 10 minutes to produce resin-coated copper foil.
- a release film, a jig plate (thickness: 2 mm) and a front and back surface of this resin-coated copper foil ⁇ Cushion materials are stacked one after another, and the temperature is raised from 30 ° C to 150 ° C at 2 ° C / min with a high-temperature vacuum press (KVHC type, Kitagawa Seiki Co., Ltd.) for 60 minutes. Pressing was performed under the conditions of a profile, a pressure of 3 MPa, and a degree of vacuum of 30 torr or less. The dimensional change after pressing was measured, and the fluidity was calculated by the following equation.
- Fluidity (%) (area after press-area before press) / area before press X 100
- Curing accelerator Curesol 2E4MZ 1.1 1.1 l.i 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1
- EPICLON-HP 7200H dicyclopentadiene type epoxy resin, epoxy equivalent: 2 80, Dainippon Ink and Chemicals, Inc.
- YX- 4000 Boifuenoru type epoxy resin, epoxy equivalent: 186, produced by Yuka Shell Epoxy Co.
- EPICL0N1 52 Brominated bisphenol A-type epoxy resin, epoxy equivalent: 360, bromine content 45%, Dainippon Ink and Chemicals, Cure '/-le 2E4MZ (2-ethyl-4-methylimidazole, Shikoku Chemicals), DMAP (dimethylaminopyridine, Tokyo Chemical Industry Co., Ltd.), KBM573 (N-Feneru
- Cure accelerator Curesol 2E4MZ 1.1 l 1.1 1.1 1.1 1.1 1 ⁇ 1.1
- Dielectric tangent (2GHz) Perturbation method (cavity resonator method) 0.0042 0.0041 0.0036 0.0035 0.0034 0.0030 0.0028 0.0027
- EPICLON-HP7200H dicyclopentadiene type epoxy resin, epoxy equivalent: 280, Dainippon Ink & Chemicals, Inc.
- YX-400C biphenol type epoxy resin epoxy equivalent: 186, Yuka Shell Epoxy Co., Ltd.
- ERGL0N1 52 bromination
- DMAP Dimethylaminopyridine, Tokyo Chemical Industry Co., Ltd.
- KBM573 N-phenylamine minipropyltriethoxysilane, Shin-Etsu Chemical Co., Ltd.
- EPICLON-HP7200H dicyclopentadiene type epoxy resin, epoxy equivalent: 280, Dainippon Ink and Chemicals, Inc.
- YX-40t biphenol type epoxy resin, epoxy equivalent: 186, Yuka Shell Epoxy
- EPIGLON1 52 Brominated bisphenol A type epoxy resin, epoxy equivalent: 360, bromine content 45%, Dainippon Ink and Chemicals, Inc.
- Curesol 2E4MZ (2-ethyl-4-methylimidazole, Shikoku Chemicals Co., Ltd.)
- DMAP dimethylaminopyridine, Tokyo Chemical Industry Co., Ltd.
- KBM573 N-phenyl-2-r-amidipropyltriethoxysilane, Shin-Etsu Chemical Co., Ltd.
- Example B5 a rod-shaped sample having a measured dielectric constant was heated at 125 ° C for 1000 hours, and the dielectric constant at 240 hours, 500 hours, and 1000 hours after the start of heating was as described above. The measurement was performed under the same conditions as described above, and the difference from the dielectric constant measured without heating was determined.
- FIG. 81 shows the obtained result. As shown in FIG. 81, for the cured product of Example B5, the increase in the dielectric constant when held at a high temperature for a long time was slight. Table 4
- BaNd 2 Ti0 4 based dielectric ceramic powder (average particle diameter 1. 6 mu m, the dielectric properties in the Giga H z range: ⁇ 90 / Q 1 700, TD ⁇ ( Ltd.)) 1 77 parts by weight, an organic solvent 620 parts by weight of tetrahydrofuran and 0.9 parts by weight of a coupling agent # 573 (Shin-Etsu Chemical Co., Ltd.) were placed in a 5-liter beaker, and stirred for 4 hours using a stirrer. Afterwards, epoxy resin EPI CLON HP 720 OH (Daishon Hon Ink Chemical Industry Co., Ltd.) 1 74 parts by weight, active ester compound I
- This paste F was applied to a 2116 type glass cloth (NEA2116, thickness: 1 ⁇ , 0 Tobo Co., Ltd.), and 50. C / 10 minutes + 120. A drying treatment was performed for 10 minutes to obtain a prepredder. The thickness of the obtained pre-preda was 170 // m. After stacking three of them, the temperature was raised from 30 ° C to 150 ° C at 2 ° C / min by a high-temperature vacuum press (KVHC type, Kitagawa Seiki Co., Ltd.) and held for 60 minutes.
- KVHC type Kitagawa Seiki Co., Ltd.
- the pressure of 3MP a performs pressed at 3 0 tor r following vacuum "condition, the sheet-like cured resin Obtained.
- the thickness of the obtained cured sheet resin was 500 ⁇ .
- Ba 2 Ti g O 2 was obtained in the same manner as in Example 1 except that the materials shown in Table 5 were used in the weights shown in the same table.
- a cured product in the form of a prepreg and a sheet containing a dielectric ceramic powder (average particle diameter 1.7 ⁇ m, dielectric property in giga Hz band: E39ZQ9000, TDK Corporation) was obtained.
- Example A Using the cured sheet-like resin obtained in Examples 1 to 11, Example A
- the dielectric constant, dielectric loss tangent, glass transition temperature, and water absorption were determined in the same manner as in 1. [0481]
- a test of filling property and adhesion property was performed by the following method.
- 2116 type glass cloth (NEA2116, thickness: 100 m, Nitto Boseki Co., Ltd.) is coated with Paste F (or Paste F equivalent) to a thickness of 17 mm.
- a drying treatment was performed at 50 ° C. for 10 minutes and at 120 ° C. for 10 minutes to produce a pre-preda.
- Electrolytic copper foil of thickness 1 (CF-T9, Fukuda Metal Industry Co., Ltd.), jig plate (2 mm thick), and cushion material are sequentially stacked on the front and back surfaces of this pre-preda (KVHC type, Kitagawa Seiki Co., Ltd.) "The temperature profile was raised from 30 ° C to 150 ° C at 2 ° C / min.
- the glass transition temperature is 120 ° C or higher, the temperature can be said to be high, and if the value of water absorption is 0.1% or less, the water absorption can be said to be low.
- the column of Filling-Adhesion shows " ⁇ " and "mu”. " ⁇ ” indicates that the filler is filled without gaps and that the adhesion between the pre-readers is good. This means that the adhesion between the prepregs is not perfect.
- AIA _ 1 1415 Surface treatment agent BM573 0.9 1.8 3.5 5.3 7.1 8.9 8.7 7.1 9.9 7.1 7.1 Dielectric ceramic powder content (volume) 5 10 20 30 40 50 55 40 40 40 40 Dielectric constant (2GHz) Perturbation method (cavity resonance Device method) 3.6 4 4.8 6.8 9.7 12.3 13.1 10.2 10.1 8.1 4.7 Dielectric loss tangent (2GHz) Perturbation method (cavity resonator method) 0.0031 0.0033 0.0036 0.0038 0.0038 0.0040 0.0042 0 038 0.0030 0.0033 0.003 0 Filling property ⁇ Adhesive property OO ⁇ O ⁇ ⁇ O O
- EPICLON-HP7200H dicyclopentadiene type epoxy resin, epoxy equivalent: 280, Dainippon Ink & Chemicals, Inc.
- YX-40 ⁇ bisphenol type epoxy resin, epoxy equivalent: 186, Yuka Shell Epoxy
- EPICLON1 52 brominated bisphenol A type epoxy resin, epoxy equivalent: 360, bromine content 45%, Dainippon Ink and Chemicals, Inc.
- Curesol 2E4MZ (2-ethyl-4-methylimidazole, Shikoku Chemicals)
- DMAP dimethylaminopyridine, Tokyo Chemical Industry Co., Ltd.
- KBM573 N-phenyl-Y-amidipropyltriethoxysilane, Shin-Etsu Chemical Co., Ltd.
- EP IC LON HP 720 OH epoxy resin
- IAAN active ester compound
- EPIC LON 15 2 48 parts by weight of Dainippon Ink and Chemicals Co., Ltd., Curesol 2 E4MZ (Shikoku Chemical Industry Co., Ltd.) 1. 1 part by weight, and stir until completely dissolved and dispersed. A paste (paste G) was obtained.
- paste H was placed in a beaker of the paste G, and stirred until completely dispersed to obtain a paste (paste I).
- This paste I was applied on a 18 / m electrolytic copper foil (CF-T9, Fukuda Metal Foil Industry Co., Ltd.) or 50 ⁇ ⁇ inorem using a doctor blade, and the temperature was 50 ° C / A drying process was performed for 10 minutes + 120 ° C / 10 minutes. The thickness of the obtained sheet was 50 ⁇ .
- a high-temperature vacuum press KVHC type, Kitagawa Seiki Co., Ltd.
- Pressing was performed under the following conditions: a temperature profile of 3 ° C / min, which was heated to 190 ° C and maintained for 60 minutes;
- the thickness of the cured product of the sheet obtained after pressing was 500 ⁇ .
- Example 12 Same as Example 12 except that the materials described in Table 6 were used in the weights described in the same table Thus, a cured product containing 332 g of polybienyl benzyl ether instead of the epoxy resin and the active ester compound was obtained.
- Tuftec HI 043 used as a flexibility-imparting material was obtained by hydrogenating a styrene-butadiene-styrene triblock copolymer (manufactured by Asahi Kasei Corporation), and SAYTEX BT93 was an ethylene bis Tetrabromophthalimid (Albemarle).
- Example 12 Using the cured sheet obtained in Example 12, the relative permittivity, the dielectric loss tangent, the glass transition temperature, and the water absorption were determined in the same manner as in Example A1.
- the bending strength (MPa) for the cured sheet was measured in accordance with JIS C6481.
- Example 13 As shown in Table 6, the cured sheet of Example 12 was bent. While the strength was high, the cured sheet of Comparative Example 2 had low flexural strength. From this, it is considered that the electronic component constituted by the cured sheet of Example 12 is unlikely to be deformed or broken during the handling. (Example 13)
- a power amplifier module as an electronic component illustrated in FIG. 82 was manufactured as follows.
- the same or equivalent components as those in FIG. 76 are denoted by the same reference numerals.
- Ri represents a methyl group, 1 2 1 2 Gabe Njiru group, R 3 is Bulle base Nji le radical, n is 3)
- a vinylbenzyl resin (polyvinylbenzyl ether compound (VB)) having a molecular weight of about 6000 and Tuftec HI 043 were placed in toluene and stirred until completely dissolved.
- SAYTEXBT 93 dicumyl peroxide
- B aN d 2 T i 4 0 12 average particle size 0. 2 ⁇ , dielectric constant 93
- Jirukoniaboru of 20m ⁇ , 4 Mix for hours with a ball mill.
- paste J a paste (hereinafter, referred to as "paste") was obtained.
- the content of the ceramic powder in Paste J was adjusted to about 40% by volume.
- paste J was coated on a 12-m electrolytic copper foil (JTM, Nikko Materials Co., Ltd.) using a doctor blade, and dried at 120 ° C for 5 minutes to a thickness of 50 ⁇ . (Hereinafter referred to as sheet ⁇ ).
- sheet ⁇ Four identical sheets A were prepared as described above.
- the dielectric constant of paste J is about 10, and tan S is about 0.00 It was 25.
- the bending strength, the bending elastic modulus and the peel strength of the sheet A were measured, the bending strength was 8 OMPa and the bending elastic modulus was 8 GPa.
- the peel strength was 4.2 N / cm for 12 Aim copper foil.
- the limit deflection was 3.6 mm.
- the bending strength was measured by the same method as described above, and the flexural modulus was measured according to JIS K6911.
- a ceramic powder (Electrochemical FB-3SX) made of fused silica was composited with an epoxy resin to obtain a paste (hereinafter, referred to as "paste").
- paste K is applied on a 12 / zm electrolytic copper foil (JTM, Nikko Materials Co., Ltd.) using a doctor blade, and dried at 110 ° C for 5 minutes to obtain a thickness.
- a sheet of 50 / xm hereinafter referred to as sheet B) was obtained.
- Two sheets B were prepared as described above.
- the dielectric constant of paste K was about 3.2, and ta ⁇ ⁇ was about 0.011.
- the bending strength was 14 OMPa and the bending elastic modulus was 5 GPa.
- the peel strength was 11 NZcm for a 12 ⁇ copper foil, which was 2.2 times the peel strength of sheet A.
- the maximum deflection of sheet B was 5.7 mm, 2.3 times that of sheet A.
- the flexural strength, flexural modulus and peel strength were measured in the same manner as described above.
- a core substrate having a thickness of 150 m composed of paste D and a glass cloth 1 131 having a thickness of about 95 / im was placed between the two sheets B.
- Two sheets A were respectively arranged between B and the core substrate.
- the sheet A, the core substrate, and the sheet B are stacked, and the temperature is increased by 3 ° CZ using a high-temperature vacuum press (KVHC type, Kitagawa Seiki Co., Ltd.) while maintaining the press pressure at 4 MPa.
- the press was performed under the conditions that the temperature was maintained at 150 ° C for 40 minutes, the temperature was raised in 4 minutes, and the temperature was maintained at 200 ° C for 180 minutes.
- the constituent layers 1 1 10 a to 1 1 10 g and the A multilayer substrate 111 composed of 130a to 110h was obtained.
- a power amplifier module was obtained in the same manner as in Example 13 except that all sheets B were replaced with sheets A. Therefore, in this power amplifier module, the critical deflection of the outermost layer is one times that of the inner layer, and the peel strength of the outermost layer is one times that of the inner layer.
- the characteristics of the electronic component can be sufficiently improved. Can be improved.
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Description
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EP03768377A EP1580235A4 (en) | 2002-12-27 | 2003-12-26 | RESIN COMPOSITION, CURED RESIN, CURED RESIN SHEET, LAMINATE, PREIMPREGNE, ELECTRONIC COMPONENT, AND MULTILAYER SUBSTRATE |
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JP2002381838A JP2004210936A (ja) | 2002-12-27 | 2002-12-27 | プリプレグ、シート状樹脂硬化物及び積層体 |
JP2002-381838 | 2002-12-27 | ||
JP2002-381914 | 2002-12-27 | ||
JP2003-432554 | 2003-12-26 | ||
JP2003432554A JP2004221572A (ja) | 2002-12-27 | 2003-12-26 | 電子部品及び多層基板 |
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Also Published As
Publication number | Publication date |
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EP1580235A4 (en) | 2007-05-30 |
US20050003199A1 (en) | 2005-01-06 |
US20080044660A1 (en) | 2008-02-21 |
EP1580235A1 (en) | 2005-09-28 |
KR20050093808A (ko) | 2005-09-23 |
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