WO2014038230A1 - ガラス-セラミックス複合材料 - Google Patents
ガラス-セラミックス複合材料 Download PDFInfo
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- WO2014038230A1 WO2014038230A1 PCT/JP2013/058824 JP2013058824W WO2014038230A1 WO 2014038230 A1 WO2014038230 A1 WO 2014038230A1 JP 2013058824 W JP2013058824 W JP 2013058824W WO 2014038230 A1 WO2014038230 A1 WO 2014038230A1
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
- C03C10/0045—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/581—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on aluminium nitride
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
- C04B2235/365—Borosilicate glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6586—Processes characterised by the flow of gas
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
Definitions
- the present invention relates to glass-ceramic composites. More particularly, the present invention relates to a glass-ceramic composite material having high thermal conductivity and suitable for low temperature co-firing applications.
- the suppression of loss due to the reduction of the electrical resistance of the conductor constituting the wiring and the improvement of heat resistance corresponding to the increase of heat generated from the semiconductor element It is an important issue.
- a countermeasure against the former for example, it is widely used to use a low resistance metal (good conductor) such as gold, silver, copper and an alloy containing these metals as a conductor.
- a countermeasure for the latter it is widely used to use a ceramic substrate based on ceramics instead of a resin substrate based on resin.
- the conductor forming the surface electrode and the inner layer wiring includes, for example, a low resistance metal (good conductor) such as gold, silver, copper, and an alloy containing these metals.
- a low resistance metal good conductor
- the increase of the electric resistance of the wiring is suppressed.
- the resistance loss in a semiconductor package using the ceramic substrate can be reduced.
- low resistance conductors such as gold, silver, copper, and alloys containing these metals, which are used for the purpose of suppressing the increase in the electrical resistance of the wiring as described above, are compared with other metals. It has a relatively low melting point.
- a sheet of a dielectric material a base formed of a dielectric layer
- a conductor pattern (wiring) including a metal having a low melting point is embedded is simultaneously fired at a temperature higher than the melting point of the metal, the metal May melt and it may be difficult to maintain the desired shape of the conductor pattern. Therefore, when using such a low resistance conductor as a conductor which constitutes a surface electrode and inner layer wiring, it is desirable to use a ceramic which can be fired at a temperature lower than the melting point of the low resistance conductor used.
- LTCC low temperature co-fired ceramic
- SiC silicon carbide
- GaN gallium nitride
- particles having high thermal conductivity such as aluminum nitride (AlN) particles and silicon carbide (SiC) particles are exemplified, for example, gold, silver, copper
- AlN aluminum nitride
- SiC silicon carbide
- filler particles to a glass-ceramic composite material that constitutes a base of a ceramic substrate having an inner layer wiring made of a low resistance metal (good conductor) such as an alloy containing these metals and , Patent Documents 1 to 8).
- spinel-based compound crystal phases such as garnite (ZnAl 2 O 4 ) and / or spinel (MgAl 2 O 4 ) and aluminum nitride (AlN)
- At least one non-oxide compound crystal phase selected from the group consisting of silicon nitride (Si 3 N 4 ), silicon carbide (SiC), and boron nitride (BN), silicon oxide (SiO 2 ), aluminum oxide
- Si 3 N 4 silicon nitride
- SiC silicon carbide
- BN boron nitride
- SiO 2 silicon oxide
- aluminum oxide It is proposed to be contained in a glass phase containing Al 2 O 3 ), zinc oxide (ZnO), magnesium oxide (MgO), and boron oxide (B 2 O 3 ) as main components (for example, Patent Document 9) See).
- thermal conductivity of a glass-ceramic composite material is obtained by adding a non-oxide compound crystal phase such as aluminum nitride (AlN) as a filler particle to a glass-ceramic composite material.
- a non-oxide compound crystal phase such as aluminum nitride (AlN)
- AlN aluminum nitride
- the reaction between the non-oxide compound crystal phase (filler particles) such as aluminum nitride (AlN) and the glass phase It can be mentioned.
- non-oxide compound crystal phase (filler particles) having very high thermal conductivity about 170 to 200 W / m ⁇ ° C
- low thermal conductivity specifically, spinel
- Crystals having about 20 to 25 W / m ⁇ ° C. in the case of the crystal phase of the base compound and about 2 to 5 W / m ⁇ ° C. in the case of silicate oxides such as mullite, cordierite and magnesium silicate are formed.
- JP 02-221162 A Japanese Patent Application Laid-Open No. 04-254477 Japanese Patent Application Publication No. 06-016477 JP 2001-342063 A JP 2002-348172 A JP 2003-073162 A Japanese Patent Laid-Open No. 2003-137657 Japanese Patent Application Publication No. 2005-533744 JP 2002-053369 Japanese Patent Application Laid-Open No. 2003-095746
- the addition of a non-oxide compound crystal phase is added to exhibit the inherent effect of improving the thermal conductivity to sufficiently enhance the thermal conductivity of the glass-ceramic composite material.
- the present invention has been made to meet such a need. More specifically, according to the present invention, the thermal conductivity improvement effect of the glass-ceramic composite material is sufficiently enhanced by exhibiting the inherent thermal conductivity improvement effect by the addition of the non-oxide compound crystal phase (filler particles).
- One purpose is to make it possible.
- the above one object of the present invention is A glass phase comprising at least one of aluminum oxide (Al 2 O 3 ), magnesium oxide (MgO) or zinc oxide (ZnO), silicon oxide (SiO 2 ), and boron oxide (B 2 O 3 ) as main components , At least one non-oxide compound crystal phase selected from the group of aluminum nitride (AlN), silicon carbide (SiC), and silicon nitride (Si 3 N 4 ); A glass-ceramic composite material obtained by firing With respect to the total amount of the glass phase, The compounding ratio of aluminum oxide (Al 2 O 3 ) is 12% by mass or more and 40% by mass or less, The blending ratio of magnesium oxide (MgO) is 12% by mass or more, or the blending ratio of zinc oxide (ZnO) is 8% by mass or more, and the blending ratio of magnesium oxide (MgO) and zinc oxide (ZnO) is any Is also less than 40% by mass, The compounding ratio of silicon oxide (SiO 2
- the glass-ceramic composite material according to the present invention it is possible to exhibit the original thermal conductivity improvement effect by the addition of the non-oxide compound crystal phase (filler particles) without requiring a special material etc. -It is possible to make it possible to sufficiently increase the thermal conductivity of the ceramic composite material.
- a glass-ceramic composite material is exhibited which exhibits the inherent effect of improving the thermal conductivity by the addition of a non-oxide compound crystal phase (filler particles) without requiring a special material or the like.
- One purpose is to make it possible to sufficiently increase the thermal conductivity of the
- the present inventor has determined that at least one of a zinc oxide (ZnO) component and a magnesium oxide (MgO) component is a predetermined amount or more in a glass phase constituting a glass-ceramic composite material. It has been found that, by increasing the aluminum oxide (Al 2 O 3 ) component under the existing conditions, it is possible to suppress an unintended reaction between the non-oxide compound crystal phase and the glass phase.
- the invention has been conceived.
- a glass phase comprising at least one of aluminum oxide (Al 2 O 3 ), magnesium oxide (MgO) or zinc oxide (ZnO), silicon oxide (SiO 2 ), and boron oxide (B 2 O 3 ) as main components , At least one non-oxide compound crystal phase selected from the group of aluminum nitride (AlN), silicon carbide (SiC), and silicon nitride (Si 3 N 4 );
- a glass-ceramic composite material obtained by firing With respect to the total amount of the glass phase,
- the compounding ratio of aluminum oxide (Al 2 O 3 ) is 12% by mass or more and 40% by mass or less
- the blending ratio of magnesium oxide (MgO) is 12% by mass or more, or the blending ratio of zinc oxide (ZnO) is 8% by mass or more, and the blending ratio of magnesium oxide (MgO) and zinc oxide (ZnO) is any Is also less than 40% by mass
- the compounding ratio of silicon oxide (S) At least one of aluminum
- the glass-ceramic composite material according to the present embodiment is A glass phase comprising at least one of aluminum oxide (Al 2 O 3 ), magnesium oxide (MgO) or zinc oxide (ZnO), silicon oxide (SiO 2 ), and boron oxide (B 2 O 3 ) as main components , At least one non-oxide compound crystal phase selected from the group of aluminum nitride (AlN), silicon carbide (SiC), and silicon nitride (Si 3 N 4 ); It is a glass-ceramic composite material formed by firing
- magnesium oxide (MgO) and zinc oxide (ZnO) in the main component constituting the glass phase only one of them may be contained, or both of them may be contained.
- the glass phase may contain any subcomponent as long as the glass phase does not hinder the achievement of the object of the present invention.
- boron oxide contained in main component as described above (B 2 O 3) is "fusion is added to adjust the melting behavior at the time of melting the glass raw material at a high temperature in the process of generating a glass (phase) Agent component.
- alkali metal oxides eg, lithium oxide (Li 2 O), sodium oxide (Na 2 O), potassium oxide (K 2 O), etc. May be included.
- the glass phase is a crystal nucleating agent (for example, zirconium oxide (ZrO 2 ), titanium oxide (TiO 2 ), platinum (Pt), pentoxide) added to promote crystallization of glass (phase) Diphosphorus (P 2 O 5 ) or the like may be contained as a secondary component.
- the glass phase melts various glass raw materials as described above at a very high temperature (for example, 1200 ° C. or more), and the obtained melt is quenched by, for example, treatment such as dropping into water. It can be obtained by
- the non-oxide compound crystal phase is known in the art as a filler particle added for the purpose of improving the thermal conductivity, for example, in the glass-ceramic composite material according to the above-mentioned prior art. It is possible to choose from among things.
- the above-described glass-ceramic composite material is prepared, for example, by mixing the glass phase obtained as described above and the non-oxide compound crystal phase, for example, in a powdery state, at a desired compounding ratio,
- the mixture can be obtained by calcination at a predetermined temperature (eg, 700 ° C. to 1050 ° C.).
- the above-mentioned baking treatment is generally performed in an atmosphere (for example, a nitrogen atmosphere etc.) in which an inert gas exists, but it is suitable as an antioxidant film
- the above-mentioned baking treatment may be performed in an atmosphere (oxidizing atmosphere) in which oxygen is present.
- the glass-ceramics composite material according to the prior art obtained by firing the glass phase containing the components as described above and the non-oxide compound crystal phase, as described above, it should be very natural.
- the non-oxide compound crystal phase (filler particles) having high thermal conductivity is consumed by reacting with the glass phase at the time of the above-mentioned baking, and the thermal conductivity improving effect by the addition of the non-oxide compound crystal phase (filler particles) There was a case that did not show enough.
- the present inventor is under the condition that at least one of the zinc oxide (ZnO) component and the magnesium oxide (MgO) component is present in a predetermined amount or more in the glass phase constituting the glass-ceramic composite material.
- ZnO zinc oxide
- MgO magnesium oxide
- the compounding ratio of aluminum oxide (Al 2 O 3 ) is 12% by mass or more and 40% by mass or less
- the blending ratio of magnesium oxide (MgO) is 12% by mass or more, or the blending ratio of zinc oxide (ZnO) is 8% by mass or more, and the blending ratio of magnesium oxide (MgO) and zinc oxide (ZnO) is any Is also less than 40% by mass
- the compounding ratio of silicon oxide (SiO 2 ) is 15% by mass or more and 60% by mass or less As such, various raw material components are blended.
- non-oxide compound crystal phase (filler particles) and the glass phase as described above is that the blending ratio of aluminum oxide (Al 2 O 3 ) is less than 12% by mass with respect to the total amount of the glass phase. Unfavorable reaction can not be effectively suppressed, and as a result, the possibility that the thermal conductivity improvement effect by the addition of the non-oxide compound crystal phase (filler particles) is not sufficiently exhibited is increased.
- magnesium oxide (MgO) and zinc oxide (ZnO) As described above, at least one of these components is used as a component of the glass phase at a predetermined mixing ratio predetermined for each of them. It may be blended. Specifically, with respect to magnesium oxide (MgO) and zinc oxide (ZnO), the blending ratio of magnesium oxide (MgO) is 12 mass% or more, or the blending ratio of zinc oxide (ZnO) is 8 mass% or more Both the condition that there is a certain condition and the condition that the blending ratio of magnesium oxide (MgO) and zinc oxide (ZnO) is 40% by mass or less both have to be satisfied.
- magnesium oxide (MgO) and zinc oxide (ZnO) are blended as constituents of the glass phase, and the blending ratio of magnesium oxide (MgO) is at least 12 mass% and at most 40 mass%. In addition, the blending ratio of zinc oxide (ZnO) may be 8% by mass or more and 40% by mass or less.
- the compounding ratio of magnesium oxide (MgO) is less than 12% by mass with respect to the total amount of the glass phase and the compounding ratio of zinc oxide (ZnO) is less than 8% by mass with respect to the total amount of the glass phase, it results This is undesirable because it increases the possibility that the overall thermal conductivity of the resulting glass-ceramic composite can not be sufficiently improved.
- This is a spinel compound crystal phase (specifically, a spinel compound having high thermal conductivity compared to the glass phase when at least one of magnesium oxide (MgO) and zinc oxide (ZnO) is not present in the above predetermined amount or more. It is presumed that this is caused by the inability to precipitate garnite (ZnAl 2 O 4 ) and / or spinel (MgAl 2 O 4 ) in a sufficient amount.
- vitrification becomes difficult if either of magnesium oxide (MgO) or zinc oxide (ZnO) is contained in an amount exceeding 40% by mass with respect to the total amount of the glass phase, phase separation and / or phase separation of glass It is not desirable because the crystal components other than the glass phase increase and the mixture of the non-oxide compound crystal phase (filler particles) and the glass phase can not be sufficiently densified by firing.
- MgO magnesium oxide
- ZnO zinc oxide
- vitrification becomes difficult even if the blending ratio is less than 15% by mass or more than 60% by mass with respect to the total amount of the glass phase, phase separation of glass and And / or crystal components other than the glass phase increase, and the mixture of the non-oxide compound crystal phase (filler particles) and the glass phase can not be sufficiently densified by firing, which is not desirable.
- the flux component to be added to control the melting behavior at the time of melting the glass raw material at a high temperature in the process of forming the glass (phase) is boron oxide (B 2 O 3 )
- alkali metal oxides eg, lithium oxide (Li 2 O), sodium oxide (Na 2 O), potassium oxide (K 2 O), etc.
- the blending ratio of the fluxing agent component is 5% by mass or more and 35% by mass or less with respect to the total amount of the glass phase.
- the blending ratio of the fluxing agent component is less than 5% by mass with respect to the total amount of the glass phase, vitrification becomes difficult, crystal phase components other than glass phase separation and / or glass phase increase, and non-oxide compounds It is undesirable because the mixture of the crystalline phase (filler particles) and the glass phase can not be sufficiently densified by firing.
- the blending ratio of the flux component exceeds 35% by mass with respect to the total amount of the glass phase, it tends to react with the moisture in the air, which is not desirable because the reliability is lowered.
- the non-oxide compound crystal phase (the compounding ratio of the non-oxide compound crystal phase (filler particles) is less than 20% by mass with respect to the total amount of the glass phase and the non-oxide compound crystal phase It is not desirable because the effect of improving the thermal conductivity by the addition of filler particles is not sufficiently exhibited. Conversely, when the compounding ratio of the non-oxide compound crystal phase (filler particles) exceeds 60% by mass with respect to the total amount of the glass phase and the non-oxide compound crystal phase, the non-oxide compound crystal phase ( It is undesirable because the mixture of filler particles) and the glass phase can not be sufficiently densified by firing.
- the blending ratio of the various components constituting the glass phase and the non-oxide compound crystal phase (filler particles) satisfies the above-described predetermined conditions.
- the original thermal conductivity improvement effect is exhibited without the need for special materials (such as rare earth components).
- the thermal conductivity of the material can be sufficiently increased.
- the blending ratio of aluminum oxide (Al 2 O 3 ) is 12% by mass or more and 40% by mass with respect to the total amount of the glass phase. It is desirable to be less than%. However, preferably, the blending ratio of aluminum oxide (Al 2 O 3 ) is preferably 16% by mass or more, and more preferably 20% by mass or more, with respect to the total amount of the glass phase.
- the second embodiment of the present invention is It is a glass-ceramics composite material according to the first embodiment of the present invention,
- the blending ratio of aluminum oxide (Al 2 O 3 ) is 16% by mass or more and 40% by mass or less based on the total amount of the glass phase.
- Glass-ceramic composite material is 16% by mass or more and 40% by mass or less based on the total amount of the glass phase.
- the third embodiment of the present invention is It is a glass-ceramics composite material according to the second embodiment of the present invention,
- the blending ratio of aluminum oxide (Al 2 O 3 ) is 20% by mass or more and 40% by mass or less based on the total amount of the glass phase. Glass-ceramic composite material.
- the blending ratio of aluminum oxide (Al 2 O 3 ) is defined in the preferable range and the more preferable range, respectively. Therefore, in the glass-ceramic composite material according to these embodiments, the above-mentioned object of the present invention can be achieved more effectively.
- the blending ratio of magnesium oxide (MgO) is 12% by mass or more and 40% by mass or less with respect to the total amount of the glass phase. It is desirable to have. However, preferably, the blending ratio of magnesium oxide (MgO) is preferably 13% by mass or more, more preferably 15% by mass or more, with respect to the total amount of the glass phase.
- the fourth embodiment of the present invention is It is a glass-ceramics composite material according to the first embodiment of the present invention,
- the blending ratio of magnesium oxide (MgO) to the total amount of the glass phase is 13% by mass or more and 40% by mass or less.
- Glass-ceramic composite material is a glass-ceramics composite material according to the first embodiment of the present invention.
- the blending ratio of magnesium oxide (MgO) to the total amount of the glass phase is 13% by mass or more and 40% by mass or less. Glass-ceramic composite material.
- the fifth embodiment of the present invention is It is a glass-ceramics composite material according to the fourth embodiment of the present invention,
- the blending ratio of magnesium oxide (MgO) is 15% by mass or more and 40% by mass or less based on the total amount of the glass phase. Glass-ceramic composite material.
- the blending ratio of magnesium oxide (MgO) is defined in the preferable range and the more preferable range, respectively. Therefore, in the glass-ceramic composite material according to these embodiments, the above-mentioned object of the present invention can be achieved more effectively.
- the blending ratio of zinc oxide (ZnO) is 8% by mass or more and 40% by mass or less with respect to the total amount of the glass phase. It is desirable to have. However, preferably, the blending ratio of zinc oxide (ZnO) is preferably 9% by mass or more, more preferably 15% by mass or more, with respect to the total amount of the glass phase.
- the sixth embodiment of the present invention is It is a glass-ceramics composite material according to the first embodiment of the present invention,
- the blending ratio of zinc oxide (ZnO) to the total amount of the glass phase is 9% by mass or more and 40% by mass or less.
- Glass-ceramic composite material is a glass-ceramics composite material according to the first embodiment of the present invention.
- the blending ratio of zinc oxide (ZnO) to the total amount of the glass phase is 9% by mass or more and 40% by mass or less. Glass-ceramic composite material.
- the seventh embodiment of the present invention is It is a glass-ceramics composite material according to the sixth embodiment of the present invention,
- the content of zinc oxide (ZnO) is 15% by mass or more and 40% by mass or less based on the total amount of the glass phase.
- Glass-ceramic composite material is 15% by mass or more and 40% by mass or less based on the total amount of the glass phase.
- the blending ratio of zinc oxide (ZnO) is defined in a preferable range and a more preferable range, respectively. Therefore, in the glass-ceramic composite material according to these embodiments, the above-mentioned object of the present invention can be achieved more effectively.
- the blending ratio of silicon oxide (SiO 2 ) is at least 15% by mass and 60% by mass with respect to the total amount of the glass phase It is desirable that However, preferably, the blending ratio of silicon oxide (SiO 2 ) is preferably 20% by mass or more with respect to the total amount of the glass phase.
- the eighth embodiment of the present invention is It is a glass-ceramics composite material according to the first embodiment of the present invention,
- the blending ratio of silicon oxide (SiO 2 ) to the total amount of the glass phase is 20% by mass or more and 60% by mass or less.
- Glass-ceramic composite material is a glass-ceramics composite material according to the first embodiment of the present invention.
- the blending ratio of silicon oxide (SiO 2 ) to the total amount of the glass phase is 20% by mass or more and 60% by mass or less. Glass-ceramic composite material.
- the blending ratio of silicon oxide (SiO 2 ) is defined in a preferable range and a more preferable range, respectively. Therefore, in the glass-ceramic composite material according to these embodiments, the above-mentioned object of the present invention can be achieved more effectively.
- the glass phase and the non-oxide compound crystal phase are mixed, for example, in a powdery state at a desired compounding ratio
- a temperature for example, 700 ° C. to 1050 ° C.
- B 2 O 3 boron oxide
- alkali metal oxides for example, the blending ratio of the fluxing agent component comprising at least one substance selected from lithium oxide (Li 2 O), sodium oxide (Na 2 O), potassium oxide (K 2 O), etc. It was stated that it is desirable to be 5% by mass or more and 35% by mass or less with respect to the total amount.
- the blending ratio of the fluxing agent component when the blending ratio of the fluxing agent component is less than 5% by mass with respect to the total amount of the glass phase, vitrification becomes difficult, and other than phase separation of the glass and / or glass phase It is not desirable because the content of crystalline components is increased, and the mixture of the non-oxide compound crystal phase (filler particles) and the glass phase can not be sufficiently densified by firing. Conversely, the blending ratio of the flux component is glass If it exceeds 35% by mass with respect to the total amount of phases, it tends to react with the moisture in the air, and the reliability is lowered, which is not desirable.
- the present inventors have continued research to further lower the lower limit of the flux blending ratio (blending ratio of flux component) by further optimization of, for example, the mixing method of the glass raw materials and the melting conditions. Further, the inventors of the present invention have also obtained the glass according to the present invention, which is obtained by firing a mixture of the glass phase containing the flux component and the non-oxide compound crystal phase at a lower blending ratio. Further studies were continued on the properties of ceramic composites (especially thermal conductivity).
- the present inventor further optimizes, for example, the mixing method of the glass raw materials and the melting conditions, etc. to vitrify in a state where the blending ratio of the fluxing agent component to the total amount of the glass phase is less than 5% by mass. It has been found that it is possible to achieve extremely high thermal conductivity in a glass-ceramic composite material obtained as a result of firing a mixture of such a glass phase and a non-oxide compound crystal phase. This is a glass phase which is amorphous by firing a mixture of the glass phase and the non-oxide compound crystal phase at such a low flux ratio and a firing temperature according to the flux ratio.
- crystal constituting the crystalline phase include spinel compounds such as garnite (ZnAl 2 O 4 ) and spinel (MgAl 2 O 4 ), silicate compounds such as magnesium silicate, mullite and cordierite Crystals of aluminum silicate compounds and the like can be mentioned.
- the ninth embodiment of the present invention is It is a glass-ceramics composite material according to any one of the first to eighth embodiments of the present invention,
- a fluxing agent component comprising at least one substance selected from the group of boron oxide (B 2 O 3 ), lithium oxide (Li 2 O), sodium oxide (Na 2 O), and potassium oxide (K 2 O)
- B 2 O 3 boron oxide
- Li 2 O lithium oxide
- Na 2 O sodium oxide
- K 2 O potassium oxide
- the compounding ratio in the glass phase of is less than 5% by mass with respect to the total amount of the glass phase, Glass-ceramic composite material.
- the glass-ceramic composite material according to the present embodiment boron oxide (B 2 O 3 ), lithium oxide (Li 2 O), sodium oxide (Na 2 O), and potassium oxide (K 2 O)
- the compounding ratio in the glass phase of the fluxing agent component comprising at least one substance selected from the group consisting of less than 5% by mass with respect to the total amount of the glass phase.
- the addition of the non-oxide compound crystal phase (filler particles) does not require a special material (such as a rare earth component).
- the thermal conductivity improvement effect of the glass-ceramic composite material can be further enhanced by sufficiently exhibiting the thermal conductivity improvement effect of
- the glass phase It is desirable to bake the mixture of the oxide and the non-oxide compound crystal phase in a temperature range (eg, 700 ° C. to 1150 ° C.) higher than a general temperature range (eg, 700 ° C. to 1050 ° C.) There are many cases.
- the specific firing temperature can be appropriately determined, for example, by prior experiments, according to the configuration of the glass phase and the non-oxide compound crystal phase.
- the compounding ratio which is 20 mass% or more and 60 mass% or less can be used for the at least 1 sort (s) of non-oxide type compound crystal phase chosen. That is, also in this embodiment, any one non-oxide compound crystal phase selected from the group of aluminum nitride (AlN), silicon carbide (SiC), and silicon nitride (Si 3 N 4 ) is used alone, Alternatively, two or more non-oxide compound crystal phases may be combined in any ratio and blended.
- silicon carbide has an effect of promoting or stabilizing the precipitation of a crystal phase such as spinel or cordierite from a glass phase. Therefore, it may be desirable to use in combination with other filler particles such as aluminum nitride (AlN), silicon carbide (SiC), silicon nitride (Si 3 N 4 ) and the like.
- an oxide filler such as titanium oxide (TiO 2 ), zirconium oxide (ZrO 2 ), cordierite, spinel (MgAl 2 O 4 ) or the like for the purpose of promoting and / or stabilizing precipitation of the crystal phase from the glass phase May be used in combination with the non-oxide compound filler.
- the mixture of the non-oxide compound crystal phase (filler particles) and the glass phase is sufficiently fired. It could not be densified.
- phase (filler particles) and the glass phase can not be effectively suppressed, and as a result, the effect of improving the thermal conductivity by the addition of the non-oxide compound crystal phase (filler particles) is fully exhibited. It is judged that it was not done.
- a predetermined amount of at least one of a zinc oxide (ZnO) component and a magnesium oxide (MgO) component is blended in the glass phase constituting the glass-ceramic composite material, And heat conduction of the non-oxide compound crystal phase resulting from an unintended reaction between the non-oxide compound crystal phase and the glass phase by blending a predetermined amount of aluminum oxide (Al 2 O 3 ) component
- the thermal conductivity of the glass-ceramic composite material can be increased by suppressing the decrease in the rate improvement effect.
- Example 2 Measurement of Thermal Conductivity of Evaluation Sample The thermal conductivity was measured for each of the various evaluation samples (test pieces) obtained as described above. As in Example 1, as a method of measuring the thermal conductivity, a “laser flash method” which is a typical method of the non-stationary method was employed. The details of the “laser flash method” are well known to those skilled in the art, so the description herein is omitted, but the thermal conductivity listed in Table 2 is the thermal diffusion measured by the “laser flash method”. The ratio was determined by multiplying the specific heat and density of various evaluation samples. The thermal conductivities of the various evaluation samples thus obtained are listed in Table 2 below together with the compositions of the respective evaluation samples.
- the non-oxide compound crystal phase (filler particles) is suitable with a similar composition.
- a sufficiently high thermal conductivity could not be achieved as compared with the examples (E35 to E37) blended at various blending ratios.
- the mixture ratio of the non-oxide compound crystal phase (filler particles) and the glass phase is excessive because the compounding ratio of the non-oxide compound crystal phase (filler particles) is excessive.
- the thermal conductivity improvement effect by the addition of the non-oxide compound crystal phase (filler particles) was not sufficiently exhibited as a result of the densification can not be sufficiently achieved by the firing.
- the blending ratio of aluminum oxide (Al 2 O 3 ) and silicon oxide (SiO 2 ) is Examples (E39 to E41) which have similar compositions and are compounded with magnesium oxide (MgO) or zinc oxide (ZnO) at an appropriate blending ratio although they fall within the appropriate range described above In comparison to the above, it was not possible to achieve a sufficiently high thermal conductivity.
- a predetermined amount of at least one of a zinc oxide (ZnO) component and a magnesium oxide (MgO) component is blended in the glass phase constituting the glass-ceramic composite material, And heat conduction of the non-oxide compound crystal phase resulting from an unintended reaction between the non-oxide compound crystal phase and the glass phase by blending a predetermined amount of aluminum oxide (Al 2 O 3 ) component It was further confirmed by this example that the thermal conductivity of the glass-ceramic composite material can be increased by suppressing the decrease in the rate improvement effect.
- the thermal conductivity of the glass-ceramic composite material can be further enhanced by sufficiently
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Description
酸化アルミニウム(Al2O3)、酸化マグネシウム(MgO)又は酸化亜鉛(ZnO)の少なくとも一方、酸化珪素(SiO2)、及び酸化硼素(B2O3)を主成分として含んでなるガラス相と、
窒化アルミニウム(AlN)、炭化珪素(SiC)、及び窒化珪素(Si3N4)の群から選ばれる少なくとも1種の非酸化物系化合物結晶相と、
を焼成してなるガラス-セラミックス複合材料であって、
前記ガラス相の総量に対して、
酸化アルミニウム(Al2O3)の配合率が12質量%以上であり且つ40質量%以下であり、
酸化マグネシウム(MgO)の配合率が12質量%以上であるか又は酸化亜鉛(ZnO)の配合率が8質量%以上であり、且つ酸化マグネシウム(MgO)及び酸化亜鉛(ZnO)の配合率が何れも40質量%以下であり、
酸化珪素(SiO2)の配合率が15質量%以上であり且つ60質量%以下であり、
前記ガラス相及び前記非酸化物系化合物結晶相の合計量に対して、
前記非酸化物系化合物結晶相の配合率が20質量%以上であり且つ60質量%以下である、
ガラス-セラミックス複合材料によって達成される。
酸化アルミニウム(Al2O3)、酸化マグネシウム(MgO)又は酸化亜鉛(ZnO)の少なくとも一方、酸化珪素(SiO2)、及び酸化硼素(B2O3)を主成分として含んでなるガラス相と、
窒化アルミニウム(AlN)、炭化珪素(SiC)、及び窒化珪素(Si3N4)の群から選ばれる少なくとも1種の非酸化物系化合物結晶相と、
を焼成してなるガラス-セラミックス複合材料であって、
前記ガラス相の総量に対して、
酸化アルミニウム(Al2O3)の配合率が12質量%以上であり且つ40質量%以下であり、
酸化マグネシウム(MgO)の配合率が12質量%以上であるか又は酸化亜鉛(ZnO)の配合率が8質量%以上であり、且つ酸化マグネシウム(MgO)及び酸化亜鉛(ZnO)の配合率が何れも40質量%以下であり、
酸化珪素(SiO2)の配合率が15質量%以上であり且つ60質量%以下であり、
前記ガラス相及び前記非酸化物系化合物結晶相の合計量に対して、
前記非酸化物系化合物結晶相の配合率が20質量%以上であり且つ60質量%以下である、
ガラス-セラミックス複合材料である。
酸化アルミニウム(Al2O3)、酸化マグネシウム(MgO)又は酸化亜鉛(ZnO)の少なくとも一方、酸化珪素(SiO2)、及び酸化硼素(B2O3)を主成分として含んでなるガラス相と、
窒化アルミニウム(AlN)、炭化珪素(SiC)、及び窒化珪素(Si3N4)の群から選ばれる少なくとも1種の非酸化物系化合物結晶相と、
を焼成してなるガラス-セラミックス複合材料である。
前記ガラス相の総量に対して、
酸化アルミニウム(Al2O3)の配合率が12質量%以上であり且つ40質量%以下であり、
酸化マグネシウム(MgO)の配合率が12質量%以上であるか又は酸化亜鉛(ZnO)の配合率が8質量%以上であり、且つ酸化マグネシウム(MgO)及び酸化亜鉛(ZnO)の配合率が何れも40質量%以下であり、
酸化珪素(SiO2)の配合率が15質量%以上であり且つ60質量%以下である、
ように、各種原料成分が配合される。
本発明の前記第1の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化アルミニウム(Al2O3)の配合率が16質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第2の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化アルミニウム(Al2O3)の配合率が20質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第1の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化マグネシウム(MgO)の配合率が13質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第4の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化マグネシウム(MgO)の配合率が15質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第1の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化亜鉛(ZnO)の配合率が9質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第6の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化亜鉛(ZnO)の配合率が15質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第1の実施態様に係るガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化珪素(SiO2)の配合率が20質量%以上であり且つ60質量%以下である、
ガラス-セラミックス複合材料である。
本発明の前記第1乃至前記第8の実施態様の何れか1つに係るガラス-セラミックス複合材料であって、
酸化硼素(B2O3)、酸化リチウム(Li2O)、酸化ナトリウム(Na2O)、及び酸化カリウム(K2O)の群から選ばれる少なくとも1種の物質を含んでなる融剤成分の前記ガラス相における配合率が前記ガラス相の総量に対して5質量%未満である、
ガラス-セラミックス複合材料である。
表1に列挙する種々の組成を有するガラス-セラミックス複合材料を評価用サンプル(試験片)として調製した。大別すると、全ての構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲に入る評価用サンプルを実施例(E01乃至E26)とし、何れかの構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲から逸脱する評価用サンプルを比較例(C01乃至C15)とした。
上記のようにして得られた各種評価用サンプル(試験片)の各々につき、熱伝導率を測定した。熱伝導率の測定方法としては、非定常法の代表的な方法である「レーザーフラッシュ法」を採用した。尚、「レーザーフラッシュ法」の詳細については、当業者に周知であるので、ここでの説明は割愛するが、表1に列挙する熱伝導率は、「レーザーフラッシュ法」によって測定される熱拡散率に各種評価用サンプルの比熱及び密度を乗ずることによって求めた。斯くして求めた各種評価用サンプルの熱伝導率を、それぞれの評価用サンプルの組成と共に、以下の表1に列挙する。
表1に示すように、非酸化物系化合物結晶相(フィラー粒子)の配合率が同じ評価用サンプル間での比較結果から、全ての構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲に入る評価用サンプル(実施例)の熱伝導率は、何れかの構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲から逸脱する評価用サンプル(比較例)よりも20%以上大きいことが確認された。
表2に列挙する種々の組成を有するガラス-セラミックス複合材料を評価用サンプル(試験片)として調製した。大別すると、ガラス相における融剤成分の配合率がガラス相の総量に対して5質量%未満である種々のガラス-セラミックス複合材料において、全ての構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲に入る評価用サンプルを実施例(E31乃至E42)とし、何れかの構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲から逸脱する評価用サンプルを比較例(C31乃至C39)とした。
上記のようにして得られた各種評価用サンプル(試験片)の各々につき、熱伝導率を測定した。実施例1と同様に、熱伝導率の測定方法としては、非定常法の代表的な方法である「レーザーフラッシュ法」を採用した。尚、「レーザーフラッシュ法」の詳細については、当業者に周知であるので、ここでの説明は割愛するが、表2に列挙する熱伝導率は、「レーザーフラッシュ法」によって測定される熱拡散率に各種評価用サンプルの比熱及び密度を乗ずることによって求めた。斯くして求めた各種評価用サンプルの熱伝導率を、それぞれの評価用サンプルの組成と共に、以下の表2に列挙する。
表2に示すように、非酸化物系化合物結晶相(フィラー粒子)の配合率が同じ評価用サンプル間での比較結果から、ガラス相における融剤成分の配合率をガラス相の総量に対して5質量%未満とした本実施例においては、全ての構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲に入る評価用サンプル(実施例)の熱伝導率は、何れかの構成成分の配合率が本発明に係るガラス-セラミックス複合材料として望ましい範囲から逸脱する評価用サンプル(比較例)よりも30%以上大きく、ガラス相における融剤成分の配合率がより高い範囲(5質量%以上、35質量%以下)にある場合(実施例1)と比較して、より効果的に熱伝導率を高めることができることが確認された。
Claims (9)
- 酸化アルミニウム(Al2O3)、酸化マグネシウム(MgO)又は酸化亜鉛(ZnO)の少なくとも一方、酸化珪素(SiO2)、及び酸化硼素(B2O3)を主成分として含んでなるガラス相と、
窒化アルミニウム(AlN)、炭化珪素(SiC)、及び窒化珪素(Si3N4)の群から選ばれる少なくとも1種の非酸化物系化合物結晶相と、
を焼成してなるガラス-セラミックス複合材料であって、
前記ガラス相の総量に対して、
酸化アルミニウム(Al2O3)の配合率が12質量%以上であり且つ40質量%以下であり、
酸化マグネシウム(MgO)の配合率が12質量%以上であるか又は酸化亜鉛(ZnO)の配合率が8質量%以上であり、且つ酸化マグネシウム(MgO)及び酸化亜鉛(ZnO)の配合率が何れも40質量%以下であり、
酸化珪素(SiO2)の配合率が15質量%以上であり且つ60質量%以下であり、
前記ガラス相及び前記非酸化物系化合物結晶相の合計量に対して、
前記非酸化物系化合物結晶相の配合率が20質量%以上であり且つ60質量%以下である、
ガラス-セラミックス複合材料。 - 請求項1に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化アルミニウム(Al2O3)の配合率が16質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項2に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化アルミニウム(Al2O3)の配合率が20質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項1に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化マグネシウム(MgO)の配合率が13質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項2に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化マグネシウム(MgO)の配合率が15質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項1に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化亜鉛(ZnO)の配合率が9質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項2に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化亜鉛(ZnO)の配合率が15質量%以上であり且つ40質量%以下である、
ガラス-セラミックス複合材料。 - 請求項1に記載のガラス-セラミックス複合材料であって、
前記ガラス相の総量に対する酸化珪素(SiO2)の配合率が20質量%以上であり且つ60質量%以下である、
ガラス-セラミックス複合材料。 - 請求項1乃至8の何れか1項に記載のガラス-セラミックス複合材料であって、
酸化硼素(B2O3)、酸化リチウム(Li2O)、酸化ナトリウム(Na2O)、及び酸化カリウム(K2O)の群から選ばれる少なくとも1種の物質を含んでなる融剤成分の前記ガラス相における配合率が前記ガラス相の総量に対して5質量%未満である、
ガラス-セラミックス複合材料。
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| EP13836158.9A EP2894137A4 (en) | 2012-09-10 | 2013-03-26 | CERAMIC COMPOSITE |
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| WO2021060001A1 (ja) * | 2019-09-24 | 2021-04-01 | 日本電気硝子株式会社 | 半導体素子被覆用ガラス及びこれを用いた半導体被覆用材料 |
| WO2021199625A1 (ja) * | 2020-03-31 | 2021-10-07 | 日本電気硝子株式会社 | 半導体素子被覆用ガラス及びこれを用いた半導体被覆用材料 |
| WO2021256409A1 (ja) * | 2020-06-17 | 2021-12-23 | 株式会社村田製作所 | ガラスセラミックス及び積層セラミック電子部品 |
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| CN116409937B (zh) * | 2023-04-23 | 2024-08-27 | 广东省先进陶瓷材料科技有限公司 | 一种封接材料及其制备方法和应用 |
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| WO2021256409A1 (ja) * | 2020-06-17 | 2021-12-23 | 株式会社村田製作所 | ガラスセラミックス及び積層セラミック電子部品 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2894137A1 (en) | 2015-07-15 |
| JPWO2014038230A1 (ja) | 2016-08-08 |
| US9212085B2 (en) | 2015-12-15 |
| US20140206522A1 (en) | 2014-07-24 |
| EP2894137A4 (en) | 2016-04-20 |
| JP5857121B2 (ja) | 2016-02-10 |
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