WO2014156831A1 - 発光素子実装用基板および発光素子モジュール - Google Patents
発光素子実装用基板および発光素子モジュール Download PDFInfo
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- WO2014156831A1 WO2014156831A1 PCT/JP2014/057329 JP2014057329W WO2014156831A1 WO 2014156831 A1 WO2014156831 A1 WO 2014156831A1 JP 2014057329 W JP2014057329 W JP 2014057329W WO 2014156831 A1 WO2014156831 A1 WO 2014156831A1
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- Prior art keywords
- emitting element
- light emitting
- zirconia
- light
- crystal
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- 239000000758 substrate Substances 0.000 title claims abstract description 63
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 226
- 239000013078 crystal Substances 0.000 claims abstract description 123
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 51
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 16
- 241000446313 Lamella Species 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 16
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 229910020068 MgAl Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 description 46
- 238000013001 point bending Methods 0.000 description 14
- 238000010304 firing Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 238000005245 sintering Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000008187 granular material Substances 0.000 description 8
- 238000009616 inductively coupled plasma Methods 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 239000000347 magnesium hydroxide Substances 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 3
- 235000019646 color tone Nutrition 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
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- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004451 qualitative analysis Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- -1 respectively Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 229910003440 dysprosium oxide Inorganic materials 0.000 description 1
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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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
- C04B35/10—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 aluminium oxide
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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Definitions
- the present invention relates to a light emitting element mounting substrate and a light emitting element module.
- LEDs Light-emitting elements that have the advantages of high brightness, long life, and low power consumption, such as light sources for general lighting and light-emitting display boards, as well as liquid crystal backlights for mobile phones, personal computers and televisions ) Is widely used.
- Patent Document 1 proposes a reflector made of a ceramic obtained by firing a mixture of alumina and zirconia as a light-emitting element mounting base made of such a ceramic material.
- the present invention has been devised to satisfy the above requirements, and an object thereof is to provide a light emitting element mounting substrate having a high reflectance in the visible light region and a light emitting element module having high reliability and high luminance. To do.
- the substrate for mounting a light emitting element of the present invention is a tetragonal zirconia crystal which is made of an alumina sintered body containing an alumina crystal and a zirconia crystal and a grain boundary phase, and is measured by an X-ray diffractometer using Cu K ⁇ rays.
- the light-emitting element module of the present invention is characterized in that the light-emitting element is mounted on the light-emitting element mounting substrate having the above-described configuration.
- the substrate for mounting a light-emitting element of the present invention is excellent in mechanical characteristics while having insulation, and has a high reflectance in the visible light region.
- the light emitting element module of the present invention has high luminance in addition to high reliability.
- FIG. 1 is a cross-sectional view illustrating an example of a configuration of a light emitting element module in which a light emitting element is mounted on a light emitting element mounting substrate of the present embodiment.
- an electrode 3 (3a, 3b) and an electrode pad 4 (4a, 4b) are formed on a surface 1a of a light emitting element mounting substrate 1 as a base, and on the electrode pad 4a.
- the light emitting element 2 is mounted on the light emitting element 2, and the light emitting element 2 and the electrode pad 4 b are electrically connected by the bonding wire 5.
- the light emitting element 2, the electrode 3, the electrode pad 4, and the bonding wire 5 are covered with a sealing member 6 made of resin or the like.
- the sealing member 6 has both the protection of the light emitting element 2 and the function of the lens.
- the light emitting element module 10 of the present embodiment is not limited to the example shown in FIG. 1 as long as the light emitting element 2 is mounted on the light emitting element mounting substrate 1 of the present embodiment.
- the surface 1 a of the light emitting element mounting substrate 1 is a mounting surface of the light emitting element 2.
- XRD X-ray diffractometer
- the light-emitting element mounting substrate 1 of the present embodiment satisfies the above-described configuration, so that it has excellent mechanical properties while having insulation, and has a high reflectance in the visible light region.
- the reason why the reflectance can be increased is not clear, but depending on the intensity ratio of the tetragonal zirconia crystal and the monoclinic zirconia crystal, that is, the difference in the abundance ratio, the tetragonal zirconia crystal and the monoclinic zirconia crystal are different.
- the difference in refractive index and the difference in refractive index between the zirconia crystal and the alumina crystal occur, and it is presumed that the amount of specularly reflected light increases due to the difference in refractive index.
- the intensity ratio I t / I m is preferable that a 15 or less (not including 0). Thereby, the light emitting element mounting substrate 1 having a higher reflectance is obtained.
- the alumina sintered body in the light emitting element mounting substrate 1 of this embodiment is a case where the highest peak is an alumina crystal in the chart showing the result of measurement by XRD using Cu K ⁇ rays.
- the identification of the highest peak may be collated with JCPDS card data.
- the alumina sintered body is, for example, a cross section where the crystals constituting the light emitting element mounting substrate 1 can be confirmed, and the area occupancy of alumina crystals when confirmed using, for example, a scanning electron microscope (SEM). It is over 50%.
- the content obtained by converting the Al amount measured by using an ICP (Inductively Coupled Plasma) emission spectroscopic analyzer (ICP) or a fluorescent X-ray analyzer (XRF) into Al 2 O 3 constitutes the sintered body. It exceeds 50% by mass of 100% by mass of all components.
- ICP Inductively Coupled Plasma
- XRF fluorescent X-ray analyzer
- the light emitting element mounting substrate 1 of this embodiment is as high reflectance in the visible light region, specifically, the intensity ratio I t / I m is 35 or less (not including 0) As a result, the reflectance at 500 nm is 93% or more.
- a spectrocolorimeter (Minolta CM-3700A) can be used under the conditions of a reference light source D65, a wavelength range of 360 to 740 nm, a visual field of 10 °, and an illumination diameter of 3 ⁇ 5 mm.
- the content of zirconia in which Zr is converted to ZrO 2 out of 100 mass% of all components constituting the alumina sintered body is 5 mass% or more and 35 mass% or less. It is preferable that When the content of zirconia is 5% by mass or more and 35% by mass or less, the reflectance can be further increased and the mechanical properties can be improved. Specifically, the reflectance at 500 nm can be 94% or more, and the three-point bending strength can be 400 MPa or more.
- the content of zirconia is determined by first crushing a part of the alumina sintered body, which is the light-emitting element mounting substrate 1, and dissolving and diluting the obtained powder in a solution such as hydrochloric acid. measured using, from content of the resulting Zr may be calculated in terms of ZrO 2.
- the three-point bending strength may be measured according to JIS R 1601-2008 (ISO 17565: 2003 (MOD)).
- the zirconia crystal is a lamellar structure zirconia crystal.
- the lamella texture zirconia crystal will be described with reference to the transmission electron microscope (TEM) photograph of FIG.
- the lamella texture zirconia crystal is one in which layers having different color tones appear to overlap as shown in FIG. Each of these layers has a cubic, tetragonal, or monoclinic crystal structure, and the adjacent layers have different crystal structures. .
- the area occupancy of the lamella texture zirconia crystal is high.
- the alumina crystal shown in FIG. 2 shows only a part of the crystal, the magnification is such that the entire crystal can be confirmed. Needless to say, the area occupancy of the alumina crystal exceeds 50% if lower.
- the light-emitting element mounting substrate 1 of this embodiment has an alumina crystal and a zirconia crystal (lamellar structure zirconia crystal in FIG. 2) and a grain boundary phase.
- the light-emitting element mounting substrate 1 When at least a part of the zirconia crystal is a lamella texture zirconia crystal, the light-emitting element mounting substrate 1 has a higher reflectance in the visible light region. This is presumably because the lamella textured zirconia crystal has a refractive index difference in the lamellar textured zirconia crystal due to the overlapping of layers having different crystal structures.
- the lamellar texture zirconia crystal is due to the stress caused by the difference in thermal expansion between the alumina crystal and the zirconia crystal acting as tensile stress or compressive stress on the zirconia crystal existing between the alumina crystals during firing. Inferred.
- the ratio of the number of lamella texture zirconia crystals to the number of zirconia crystals is preferably 50% or more.
- the ratio of the number of lamella texture zirconia crystals in the number of zirconia crystals is 50% or more, the reflectance can be further improved.
- a method for confirming lamella texture zirconia crystals will be described.
- a part of the light emitting element mounting substrate 1 is etched using a processing apparatus such as an ion thinning apparatus to obtain a measurement surface.
- a processing apparatus such as an ion thinning apparatus to obtain a measurement surface.
- the alumina crystal is observed white and the zirconia crystal is observed black.
- the presence or absence of lamella texture zirconia crystals can be confirmed by checking whether or not the layers with different color tones appear to overlap each other in the crystals observed in black. If it is difficult to specify whether the crystal is a zirconia crystal, it can be confirmed by detecting whether Zr and O are detected by using an attached EDS.
- the number of zirconia crystals in the specific field of view described above is X
- Y the ratio in one specific field of view is calculated by the formula of Y / X ⁇ 100
- the ratio in each specific field of view is determined at the remaining four positions (total of five positions), and the average value of these ratios is calculated.
- the light-emitting element mounting substrate 1 of the present embodiment preferably includes glass containing at least silicon oxide and magnesium oxide in the grain boundary phase, and the glass content is 1 mass% or more and 6 mass% or less. It is.
- the reflectance can be further improved while suppressing a decrease in thermal conductivity.
- the reason why the reflectance can be improved is that glass having a refractive index different from that of either the alumina crystal or the zirconia crystal is present in the grain boundary phase.
- the grain boundary phase in the present embodiment is a region other than the alumina crystal and the zirconia crystal, and the glass contains calcium oxide, boron oxide, zinc oxide, bismuth oxide, etc. in addition to silicon oxide and magnesium oxide. It may be a thing.
- content of glass is an occupation rate when all the components which comprise the alumina sintered compact which is the light emitting element mounting substrate 1 are 100 mass%.
- the presence of glass is obtained by cutting the light emitting element mounting substrate 1 and then mirror-processing the cross section, and observing a plurality of grain boundary phases at a magnification of 1 to 150,000 times with a TEM (transmission electron microscope). Can be confirmed. Or you may confirm by the presence or absence of a so-called broad halo pattern in the measurement by XRF. Furthermore, even if elements other than Al and Zr have been confirmed by qualitative analysis using EDS, XRF, ICP, etc. attached to SEM, there is glass even when no crystals other than alumina crystals and zirconia crystals are confirmed by XRD. Can be regarded as doing.
- the glass content is determined based on quantitative values of elements detected by qualitative analysis, for example, Si, Mg, Ca, B, Zn, Bi, respectively, SiO 2 , MgO, CaO, B 2 O 3 , ZnO, Bi 2 O. The sum of the values converted to 3 .
- silicon oxide is 50% by mass or more and 70% by mass or less
- magnesium oxide is 30% by mass or more and less than 50% by mass
- the total is preferably less than 10% by mass.
- the relative density of the alumina sintered body that is the light emitting element mounting substrate 1 of the present embodiment is 86% or more and 92% or less.
- the reflectance can be improved by the presence of pores on the surface of the light emitting element mounting substrate 1 while suppressing the deterioration of the mechanical characteristics.
- the relative density was measured by calculating the apparent density of the light emitting element mounting substrate made of an alumina sintered body in accordance with JIS R 1634-1998, and constituting the light emitting element mounting substrate 1 with this apparent density. What is necessary is just to divide
- MgAl 2 O 4 crystals exist in the grain boundary phase of the light emitting element mounting substrate 1 of the present embodiment.
- MgAl 2 O 4 crystals are present in the grain boundary phase, the growth of alumina crystals that occupy more than 50% of the area occupancy is suppressed, and a finer and more homogeneous crystal structure can be formed. Therefore, the mechanical characteristics can be further improved.
- Al 0.52 Zr 0.48 O 1.74 exists in the grain boundary phase of the light emitting element mounting substrate 1 of the present embodiment.
- Al 0.52 Zr 0.48 O 1.74 is present in the grain boundary phase, the grain growth of alumina crystals that occupy more than 50% in terms of area occupancy is suppressed, and a finer and more homogeneous crystal structure can be obtained. Since it can be formed, the mechanical properties can be further improved.
- the light emitting element module 10 of the present embodiment has the insulating and mechanical characteristics of the light emitting element mounting substrate 1 of the present embodiment because the main crystal is alumina and is made of an alumina sintered body containing zirconia. It has high reliability because of its excellent resistance. Moreover, since it has a high reflectance, the reflectance of the light emitted from the light emitting element is high, so that the light emitting element module 10 having high luminance in addition to high reliability is obtained.
- alumina (Al 2 O 3 ) powder and magnesium hydroxide (Mg (OH) 2 ) powder, silicon oxide (SiO 2 ) powder and calcium carbonate (CaCO 3 ) powder which are sintering aids are stabilized.
- a zirconia (ZrO 2 ) powder is prepared.
- the unstabilized zirconia powder means yttrium oxide (Y 2 O 3 ), dysprosium oxide (Dy 2 O 3 ), cerium oxide (CeO 2 ), calcium oxide (CaO), magnesium oxide (MgO).
- Y 2 O 3 yttrium oxide
- Dy 2 O 3 dysprosium oxide
- CeO 2 cerium oxide
- CaO calcium oxide
- zirconia powder that is not stabilized by a stabilizer such as
- the average particle size of the alumina powder may be less than 1 ⁇ m, and the average particle size of the magnesium hydroxide powder may be less than 1.5 ⁇ m.
- both alumina powder and zirconia powder may be used with a powder of less than 1 ⁇ m.
- the tetragonal zirconia is present due to the transformation or the sintering aid although the unstabilized zirconia powder is used. This is considered to be due to the solid solution of Ca in the calcium carbonate powder and Mg in the magnesium hydroxide powder.
- the sintering aid is 1 to 6% by mass
- the zirconia powder is 5 to 35% by mass
- the balance is the alumina powder. It is preferable to weigh as described above.
- a binder such as PVA (polyvinyl alcohol)
- a solvent 100% by weight of a solvent
- a dispersant 0.1 to 0.5% by weight of a dispersant
- a sheet is formed using this slurry by a doctor blade method, or a sheet is formed by a roll compaction method using granules obtained by spray granulating this slurry using a spray granulator (spray dryer).
- a molded product having a predetermined product shape or a product approximate shape is obtained by die pressing or laser processing.
- the molded body is formed with a slit so that a large number can be obtained.
- the obtained molded body is predetermined at a maximum temperature of 1400 ° C. or higher and 1600 ° C. or lower using a firing furnace (for example, a roller type tunnel furnace, a batch type atmospheric furnace, and a pusher type tunnel furnace) in an air (oxidation) atmosphere.
- a firing furnace for example, a roller type tunnel furnace, a batch type atmospheric furnace, and a pusher type tunnel furnace
- the substrate 1 for mounting the light emitting element of the present embodiment can be obtained by baking for a period of time.
- slits may be formed after firing.
- the crystallization temperature may be increased to 400 ° C./h or higher up to the maximum temperature.
- the rate of temperature increase up to the maximum temperature may be set to 500 ° C./h or more.
- the maximum temperature during firing may be 1400 ° C or more and 1500 ° C or less.
- the reflectance of the light emitting element mounting substrate 1 can be improved by performing heat treatment at a temperature of 500 ° C. or higher after firing. Can be improved reflectivity before and after the heat treatment, the intensity ratio I t / I m and the peak intensity I m tetragonal zirconia peak intensity I t and monoclinic zirconia in the substrate for mounting light emitting elements is small Therefore, it is considered that monoclinic zirconia is increased by heat treatment.
- the heat treatment temperature exceeds 1100 ° C., the transformation from monoclinic to tetragonal crystal occurs, and the heat treatment is accompanied by a considerable decrease in mechanical properties, so the upper limit of the temperature during this heat treatment is The temperature is preferably less than 1100 ° C.
- the zirconia content is small, for example, even if it is 5 to 10% by mass, the reflectance is about the same as when the content is nearly 30% by mass. Therefore, in order to reduce the material cost while exhibiting the effects peculiar to the present application, it is preferable that the content of zirconia is 5 to 10% by mass and heat treatment is performed.
- the cooling rate from the highest temperature during firing to room temperature may be set to 250 ° C./hour or more and 400 ° C./hour or less.
- electrodes 3 (3a, 3b) are formed on the surface 1a by thick film printing.
- electrode pads 4 (4a, 4b) are formed on the electrodes 3 by plating or the like.
- the light emitting element 2 made of a semiconductor is mounted on the electrode pad 4a.
- the light emitting element 2 and the electrode pad 4b are electrically connected with the bonding wire 5 by the joining using a conductive adhesive, or the joining by a solder bump.
- the electrode 3 and the electrode pad 4 are protected with overcoat glass, and finally covered with a sealing member 6 made of resin or the like, whereby the light emitting element module 10 of the present embodiment can be obtained.
- the unstabilized zirconia powder was weighed so that the content in 100% by mass of all the components constituting each sample was a value shown in Table 1. Further, regarding the magnesium hydroxide powder, silicon oxide powder and calcium carbonate powder, the content of 100% by mass of all components constituting each sample is 1.3% by mass in terms of MgO, 1.9% by mass in terms of SiO 2 , CaO It was weighed so as to be 0.3% by mass in terms of conversion. And it weighed so that an alumina powder might become the remainder, and it was set as the primary raw material.
- the preparation method was the same as (1) except that zirconia powder previously stabilized with 3 mol% Y 2 O 3 was used as the zirconia powder. Granules were obtained.
- the zirconia powder in (3) is sample No. Weighed out so that the content of zirconia was 20% by mass out of 100% by mass of all the components constituting 14.
- each of the granules obtained was pressed using a mold capable of obtaining a plate shape and a rod shape to obtain a plate and a rod shaped molded body.
- the plate-shaped molded body is for measuring peak intensity and reflectance
- the rod-shaped molded body is for measuring three-point bending strength.
- the obtained molded body was placed in a firing furnace in an air (oxidation) atmosphere and fired at a maximum temperature of 1500 ° C. After firing, grinding is performed to form a plate with a side of 10 mm and a thickness of 1.0 mm, and a rod shape with dimensions conforming to JIS R 1601-2008 (ISO 17565: 2003 (MOD)). Got with the body.
- CM-3700A manufactured by Minolta
- CM-3700A manufactured by Minolta
- a reference light source D65 a wavelength range of 360 to 740 nm
- a visual field of 10 ° a visual field of 10 °
- an illumination diameter 3 ⁇ 5 mm.
- measurement was performed in accordance with JIS R 1601-2008 (ISO 17565: 2003 (MOD)). Then, the value of the intensity ratio I t / I m, the reflectance in the visible light wavelength 500 nm, the value of the three-point bending strength shown in Table 1.
- the sample intensity ratio I t / I m is less than 35 (not including 0)
- No. Nos. 2 to 12 have a reflectivity at 500 nm of 93.0% or more, and were confirmed to have high reflectivity.
- Nos. 4 to 10 have a reflectivity at 500 nm of 94.0% or more and a three-point bending strength of 400 MPa or more, and it was found that a light-emitting element mounting substrate with high reflectivity and high strength can be obtained.
- sample no. A plate-like body and a rod-like body were obtained by the same production method as in No. 5. And it heat-processed at the temperature shown in Table 2, and measured the intensity ratio It / Im by XRD, a reflectance, and a three-point bending strength similarly to Example 1.
- FIG. The results are shown in Table 2.
- the reflectance can be improved by performing a heat treatment at a temperature of 500 ° C. or higher.
- heat treatment is performed at a temperature of 1100 ° C., it is not certain that the transformation from monoclinic to tetragonal crystal has started, but the numerical value of the strength ratio It / Im is larger than that at 1000 ° C. Since the reflectance was not improved and the rate of decrease in the three-point bending strength was increased, it was found that the heat treatment temperature was preferably 500 ° C. or higher and 1000 ° C. or lower.
- samples with different heating rates up to the maximum temperature during firing were prepared, the presence or absence of lamellar textured zirconia crystals, calculation of the ratio of the number of lamellar textured zirconia crystals to the number of zirconia crystals, and measurement of reflectance I did it.
- the sample of the plate-shaped object was produced with the production method similar to sample No. 2 of Example 1 except having changed the temperature increase rate to the maximum temperature at the time of baking. Further, the reflectance was measured by the same method as in Example 1.
- the surface etched using an ion thinning device is used as the measurement surface, and TEM (JEOL JEM-2010F) is used and the magnification is 50,000 times under the condition of an acceleration voltage of 200 kV. Observed and performed.
- the number of zirconia crystals in a specific field of view (14 ⁇ m ⁇ 12 ⁇ m) observed by TEM is X
- the number of (lamellar structure zirconia crystals) is Y
- the ratio in one specific visual field is obtained by the calculation formula of Y / X ⁇ 100
- the ratio in each specific visual field is obtained in the remaining four places (total of five places).
- the average value of the ratio was calculated as the ratio of the number of lamella texture zirconia crystals in the number of zirconia crystals. The results are shown in Table 3.
- the lamellar structure zirconia crystals exist and the reflectance can be increased by setting the temperature rising rate to the maximum temperature during firing to 400 ° C./h or more. Further, it was found that the reflectance can be further increased when the ratio of the number of lamella texture zirconia crystals in the number of zirconia crystals is 50% or more.
- sample No. 2 of Example 2 except having made sintering auxiliary agent content shown in Table 4.
- a sample was manufactured by the same manufacturing method as in 19.
- the reflectance was measured by the same method as in Example 1.
- the thermal conductivity was measured according to JIS R 1611-1997.
- glass containing at least magnesium oxide and silicon oxide is present in the grain boundary phase, and the glass content is 1% by mass or more and 6% by mass or less, thereby suppressing a decrease in thermal conductivity. It was found that the reflectance can be improved.
- Sample No. No. 39 is Sample No. 19 is the same sample as sample No.
- the sample was prepared by shortening the holding time at the maximum temperature as the temperature increased.
- the reflectance and the three-point bending strength were measured by the same method as in Example 1.
- the relative density was calculated for each sample. The results are shown in Table 5.
- the relative density is preferably 86% or more and 92% or less in order to improve the reflectance by the presence of pores on the surface of the light emitting element mounting substrate while suppressing the deterioration of the mechanical characteristics. It was.
- Example 2 Except that alumina powder having an average particle diameter of 0.8 ⁇ m and magnesium hydroxide powder having an average particle diameter of 1 ⁇ m were used as the primary material, the same production method as Sample No. 6 in Example 1 was used. Plates and rods were obtained. Then, in the same manner as in Example 1, measurement by XRD, reflectance, and three-point bending strength were performed.
- Example 2 the same as sample No. 6 in Example 1 except that alumina powder having an average particle diameter of 0.8 ⁇ m and unstabilized zirconia powder having an average particle diameter of 0.8 ⁇ m were used as the primary material.
- a plate-like body and a rod-like body were obtained by the production method. Then, in the same manner as in Example 1, measurement by XRD, reflectance, and three-point bending strength were performed.
- the light emitting element mounting substrate of the present invention is excellent in insulation and mechanical properties, and the light emitting element module in which the light emitting element is mounted on the light emitting element mounting substrate of the present invention is It was found that an excellent light emitting device module having high luminance in addition to high reliability was obtained.
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Abstract
Description
(1)試料No.1~12用の顆粒の作製
まず、平均粒径が1.0μmのアルミナ粉末と、平均粒径が1.0μmの水酸化マグネシウム粉末、平均粒径が1.0μmの酸化珪素粉末および平均粒径が1.0μmの炭酸カルシウム粉末からなる焼結助剤と、平均粒径が2.0μmの安定化されていないジルコニア粉末とを準備した。
(2)試料No.13用の顆粒の作製
(1)と比較して、ジルコニア粉末を添加しないこと以外は、(1)と同様の作製方法により顆粒を得た。
(3)試料No.14用の顆粒の作製
(1)と比較して、ジルコニア粉末として、予め3モル%のY2O3で安定化されたジルコニア粉末を用いたこと以外は、(1)と同様の作製方法により顆粒を得た。なお、(3)におけるジルコニア粉末は、試料No.14を構成する全成分100質量%のうちジルコニアの含有量が20質量%となるように秤量した。
1a:表面
2 :発光素子
3 :電極
4 :電極パッド
5 :ボンディングワイヤ
6 :封止部材
10 :発光素子モジュール
Claims (8)
- アルミナ結晶およびジルコニア結晶と、粒界相とを含むアルミナ質焼結体からなり、CuのKα線を用いたX線回折装置により測定される正方晶ジルコニア結晶のピーク強度It(2θ=30°~30.5°)と単斜晶ジルコニア結晶のピーク強度Im(2θ=28°~28.5°)との強度比It/Imが35(0を含まず)以下であることを特徴とする発光素子実装用基板。
- 前記アルミナ質焼結体を構成する全成分100質量%のうち、ZrをZrO2換算した含有量が、5質量%以上35質量%以下であることを特徴とする請求項1に記載の発光素子実装用基板。
- 前記ジルコニア結晶の少なくとも一部が、ラメラ組織ジルコニア結晶であることを特徴とする請求項1または請求項2に記載の発光素子実装用基板。
- 前記粒界相に、少なくとも酸化マグネシウムと酸化珪素とを含むガラスが存在し、該ガラスの含有量が1質量%以上6質量%以下であることを特徴とする請求項1乃至請求項3のいずれかに記載の発光素子実装用基板。
- 前記アルミナ質焼結体の相対密度が86%以上92%以下であることを特徴とする請求項1乃至請求項4のいずれかに記載の発光素子実装用基板。
- 前記粒界相に、MgAl2O4で表される結晶が存在することを特徴とする請求項1乃至請求項5のいずれかに記載の発光素子実装用基板。
- 前記粒界相に、Al0.52Zr0.48O1.74で表される結晶が存在することを特徴とする請求項1乃至請求項6のいずれかに記載の発光素子実装用基板。
- 請求項1乃至請求項7のいずれかに記載の発光素子実装用基板に発光素子が搭載されてなることを特徴とする発光素子モジュール。
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US14/778,990 US20160043283A1 (en) | 2013-03-26 | 2014-03-18 | Light-emitting element mounting substrate and light-emitting element module |
EP14775875.9A EP2980042B1 (en) | 2013-03-26 | 2014-03-18 | Substrate for mounting light-emitting element, and light-emitting element module |
CN201480018221.XA CN105073682A (zh) | 2013-03-26 | 2014-03-18 | 发光元件安装用基板和发光元件模组 |
JP2015508367A JP6034484B2 (ja) | 2013-03-26 | 2014-03-18 | 発光素子実装用基板および発光素子モジュール |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015050312A (ja) * | 2013-08-31 | 2015-03-16 | 京セラ株式会社 | 発光素子実装用基板およびこれを用いた発光素子モジュール |
JP2017079328A (ja) * | 2015-09-28 | 2017-04-27 | 京セラ株式会社 | 発光素子実装用基板、発光素子実装用回路基板、発光素子モジュールおよび発光素子実装用基板の製造方法 |
JPWO2016098767A1 (ja) * | 2014-12-16 | 2017-09-28 | 日本碍子株式会社 | セラミック素地及びその製造方法 |
JP2020158320A (ja) * | 2019-03-25 | 2020-10-01 | 京セラ株式会社 | 耐熱部材 |
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WO2019003775A1 (ja) * | 2017-06-29 | 2019-01-03 | 京セラ株式会社 | 回路基板およびこれを備える発光装置 |
CN110330317B (zh) * | 2019-07-23 | 2020-09-22 | 南充三环电子有限公司 | 一种氧化锆复合氧化铝陶瓷烧结体、其制备方法及应用 |
CN116120046B (zh) * | 2023-02-17 | 2024-02-02 | 江苏博睿光电股份有限公司 | 一种高反射率氧化铝陶瓷基板、制备方法及应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06116017A (ja) * | 1992-09-30 | 1994-04-26 | Ngk Insulators Ltd | 高靱性アルミナ−ジルコニア焼結体 |
JP2009046326A (ja) * | 2007-08-14 | 2009-03-05 | Sumitomo Metal Electronics Devices Inc | セラミックス焼結体およびそれを用いた反射体およびそれを用いた発光素子搭載用パッケージおよびそれを用いた発光装置 |
JP2011222674A (ja) | 2010-04-07 | 2011-11-04 | Kyoritsu Elex Co Ltd | 反射板の製造方法 |
JP2011241131A (ja) * | 2010-05-20 | 2011-12-01 | Sumitomo Metal Electronics Devices Inc | セラミック焼結体および光反射体および発光素子収納用パッケージ |
WO2012015015A1 (ja) * | 2010-07-29 | 2012-02-02 | 旭硝子株式会社 | ガラスセラミックス組成物、発光素子用基板、および発光装置 |
WO2012060341A1 (ja) * | 2010-11-01 | 2012-05-10 | 株式会社住友金属エレクトロデバイス | 電子部品素子収納用パッケージ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887384A (en) * | 1974-02-27 | 1975-06-03 | United Aircraft Corp | Tough refractory oxide eutectic article |
DE3688153T2 (de) * | 1985-07-03 | 1993-10-21 | Nissan Chemical Ind Ltd | Schuppenartige feine Kristalle des Zirkoniumoxydtyps und Verfahren zu deren Herstellung. |
EP2415728B1 (en) * | 2009-04-03 | 2017-05-10 | Sumitomo Metal (SMI) Electronics Devices. Inc. | Sintered ceramic and substrate comprising same for semiconductor device |
WO2012162250A2 (en) * | 2011-05-20 | 2012-11-29 | University Of Central Florida Research Foundation, Inc. | Surface modified materials for tailoring responses to electromagnetic fields |
JP2013032265A (ja) * | 2011-07-01 | 2013-02-14 | Maruwa Co Ltd | 半導体装置用アルミナジルコニア焼結基板及びその製造方法 |
-
2014
- 2014-03-18 CN CN201480018221.XA patent/CN105073682A/zh active Pending
- 2014-03-18 JP JP2015508367A patent/JP6034484B2/ja active Active
- 2014-03-18 WO PCT/JP2014/057329 patent/WO2014156831A1/ja active Application Filing
- 2014-03-18 EP EP14775875.9A patent/EP2980042B1/en active Active
- 2014-03-18 US US14/778,990 patent/US20160043283A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06116017A (ja) * | 1992-09-30 | 1994-04-26 | Ngk Insulators Ltd | 高靱性アルミナ−ジルコニア焼結体 |
JP2009046326A (ja) * | 2007-08-14 | 2009-03-05 | Sumitomo Metal Electronics Devices Inc | セラミックス焼結体およびそれを用いた反射体およびそれを用いた発光素子搭載用パッケージおよびそれを用いた発光装置 |
JP2011222674A (ja) | 2010-04-07 | 2011-11-04 | Kyoritsu Elex Co Ltd | 反射板の製造方法 |
JP2011241131A (ja) * | 2010-05-20 | 2011-12-01 | Sumitomo Metal Electronics Devices Inc | セラミック焼結体および光反射体および発光素子収納用パッケージ |
WO2012015015A1 (ja) * | 2010-07-29 | 2012-02-02 | 旭硝子株式会社 | ガラスセラミックス組成物、発光素子用基板、および発光装置 |
WO2012060341A1 (ja) * | 2010-11-01 | 2012-05-10 | 株式会社住友金属エレクトロデバイス | 電子部品素子収納用パッケージ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015050312A (ja) * | 2013-08-31 | 2015-03-16 | 京セラ株式会社 | 発光素子実装用基板およびこれを用いた発光素子モジュール |
JPWO2016098767A1 (ja) * | 2014-12-16 | 2017-09-28 | 日本碍子株式会社 | セラミック素地及びその製造方法 |
JP2017079328A (ja) * | 2015-09-28 | 2017-04-27 | 京セラ株式会社 | 発光素子実装用基板、発光素子実装用回路基板、発光素子モジュールおよび発光素子実装用基板の製造方法 |
JP2020158320A (ja) * | 2019-03-25 | 2020-10-01 | 京セラ株式会社 | 耐熱部材 |
JP7156987B2 (ja) | 2019-03-25 | 2022-10-19 | 京セラ株式会社 | 耐熱部材 |
Also Published As
Publication number | Publication date |
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CN105073682A (zh) | 2015-11-18 |
EP2980042A1 (en) | 2016-02-03 |
JP6034484B2 (ja) | 2016-11-30 |
EP2980042A4 (en) | 2016-11-23 |
US20160043283A1 (en) | 2016-02-11 |
JPWO2014156831A1 (ja) | 2017-02-16 |
EP2980042B1 (en) | 2019-10-09 |
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