DE3108677C2 - "Optisch durchscheinender polykristalliner Sinterkörper und Verfahren zu seiner Herstellung" - Google Patents
"Optisch durchscheinender polykristalliner Sinterkörper und Verfahren zu seiner Herstellung"Info
- Publication number
- DE3108677C2 DE3108677C2 DE3108677A DE3108677A DE3108677C2 DE 3108677 C2 DE3108677 C2 DE 3108677C2 DE 3108677 A DE3108677 A DE 3108677A DE 3108677 A DE3108677 A DE 3108677A DE 3108677 C2 DE3108677 C2 DE 3108677C2
- Authority
- DE
- Germany
- Prior art keywords
- percent
- weight
- sintered body
- range
- mgo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 63
- 238000005245 sintering Methods 0.000 claims description 55
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 49
- 230000003287 optical effect Effects 0.000 claims description 33
- 239000011777 magnesium Substances 0.000 claims description 28
- 239000001257 hydrogen Substances 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 239000000654 additive Substances 0.000 claims description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 24
- 229910052749 magnesium Inorganic materials 0.000 claims description 24
- 229910052726 zirconium Inorganic materials 0.000 claims description 24
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 23
- 230000000996 additive effect Effects 0.000 claims description 21
- 229910052735 hafnium Inorganic materials 0.000 claims description 21
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 20
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 19
- 239000002243 precursor Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 14
- 239000006185 dispersion Substances 0.000 claims description 12
- 239000007970 homogeneous dispersion Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 3
- 230000009931 harmful effect Effects 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 129
- 238000002474 experimental method Methods 0.000 description 70
- 239000000395 magnesium oxide Substances 0.000 description 69
- 239000000843 powder Substances 0.000 description 30
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 28
- 238000012360 testing method Methods 0.000 description 20
- 239000000523 sample Substances 0.000 description 15
- 235000019359 magnesium stearate Nutrition 0.000 description 14
- 238000002834 transmittance Methods 0.000 description 13
- VRQWWCJWSIOWHG-UHFFFAOYSA-J octadecanoate;zirconium(4+) Chemical compound [Zr+4].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O VRQWWCJWSIOWHG-UHFFFAOYSA-J 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 238000007792 addition Methods 0.000 description 8
- 230000035699 permeability Effects 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- -1 magnesium aluminate Chemical class 0.000 description 6
- 238000003801 milling Methods 0.000 description 6
- 238000000399 optical microscopy Methods 0.000 description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical compound Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910052596 spinel Inorganic materials 0.000 description 4
- 239000011029 spinel Substances 0.000 description 4
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004993 emission spectroscopy Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000004876 x-ray fluorescence Methods 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- 241000689227 Cora <basidiomycete fungus> Species 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ISSXKNWTCLRPJY-UHFFFAOYSA-N O.O.[O-2].[Zr+4].[O-2] Chemical compound O.O.[O-2].[Zr+4].[O-2] ISSXKNWTCLRPJY-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003580 lung surfactant Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- CEPSBUIWVLQEKQ-UHFFFAOYSA-N n-(3,3-diphenylpropyl)-6-fluoropyridine-3-carboxamide Chemical compound C1=NC(F)=CC=C1C(=O)NCCC(C=1C=CC=CC=1)C1=CC=CC=C1 CEPSBUIWVLQEKQ-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 125000000369 oxido group Chemical group [*]=O 0.000 description 1
- GGROONUBGIWGGS-UHFFFAOYSA-N oxygen(2-);zirconium(4+);hydrate Chemical compound O.[O-2].[O-2].[Zr+4] GGROONUBGIWGGS-UHFFFAOYSA-N 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009707 resistance sintering Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
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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
- C04B35/111—Fine ceramics
- C04B35/115—Translucent or transparent products
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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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/449—Organic acids, e.g. EDTA, citrate, acetate, oxalate
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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
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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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
- C04B2235/74—Physical characteristics
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
- C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
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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
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
- C04B2235/81—Materials characterised by the absence of phases other than the main phase, i.e. single phase materials
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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
- C04B2235/87—Grain boundary phases intentionally being absent
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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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9615—Linear firing shrinkage
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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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9623—Ceramic setters properties
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/129,471 US4285732A (en) | 1980-03-11 | 1980-03-11 | Alumina ceramic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3108677A1 DE3108677A1 (de) | 1982-01-07 |
| DE3108677C2 true DE3108677C2 (de) | 1982-12-02 |
Family
ID=22440120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3108677A Expired DE3108677C2 (de) | 1980-03-11 | 1981-03-07 | "Optisch durchscheinender polykristalliner Sinterkörper und Verfahren zu seiner Herstellung" |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4285732A (OSRAM) |
| JP (1) | JPS596831B2 (OSRAM) |
| DE (1) | DE3108677C2 (OSRAM) |
| FR (1) | FR2501190A1 (OSRAM) |
| GB (1) | GB2071073B (OSRAM) |
| NL (1) | NL8101128A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006011224B4 (de) * | 2006-03-10 | 2009-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schlicker sowie damit hergestellter keramischer Verbundwerkstoff |
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| HU185242B (en) * | 1981-02-18 | 1984-12-28 | Egyesuelt Izzolampa | Method for producing light-passing alumina sintered bodies advantageously cylinder-symmetrical ones |
| DE3315092A1 (de) * | 1982-04-26 | 1983-10-27 | Toshiba Ceramics Co., Ltd., Tokyo | Lichtdurchlaessiges aluminiumoxidkeramikrohr und verfahren zu seiner herstellung |
| CA1209193A (en) * | 1982-11-26 | 1986-08-05 | General Electric Company | High pressure sodium lamp having improved coloring rendition |
| US4580075A (en) * | 1982-11-26 | 1986-04-01 | General Electric Company | High pressure sodium lamp having improved coloring rendition |
| CA1207372A (en) * | 1982-11-26 | 1986-07-08 | General Electric Company | High pressure sodium lamp having improved efficacy |
| US4567396A (en) * | 1982-11-26 | 1986-01-28 | General Electric Company | Increased efficacy high pressure sodium lamp yielded by increased wall temperature operation |
| JPS59128268A (ja) * | 1983-01-14 | 1984-07-24 | 呉羽化学工業株式会社 | 複合セラミック粉体及びその製造方法 |
| DE3376001D1 (en) * | 1983-08-26 | 1988-04-21 | Hoechst Ceram Tec Ag | Process and apparatus for producing sintered polycrystalline translucent tubes |
| US4690727A (en) * | 1984-10-31 | 1987-09-01 | General Electric Company | Glaze polishing polycrystalline alumina material |
| US4633137A (en) * | 1984-10-31 | 1986-12-30 | General Electric Company | Glaze polished polycrystalline alumina material |
| US4797238A (en) * | 1985-11-27 | 1989-01-10 | Gte Laboratories Incorporated | Rapid-sintering of alumina |
| US4762655A (en) * | 1985-11-27 | 1988-08-09 | Gte Laboratories Incorporated | Method of sintering translucent alumina |
| GB8617656D0 (en) * | 1986-07-18 | 1986-08-28 | Alcan Int Ltd | Alumina |
| JPS63128749A (ja) * | 1986-11-19 | 1988-06-01 | Nec Corp | 密着形イメ−ジセンサ |
| US4837069A (en) * | 1987-01-07 | 1989-06-06 | Minnesota Mining And Manufacturing Company | Transparent alumina microspheres |
| US5064369A (en) * | 1987-01-27 | 1991-11-12 | Tomy, Inc. | Orthodontic device |
| NL8700844A (nl) * | 1987-04-10 | 1988-11-01 | Philips Nv | Ceramisch lichtdoorlatend materiaal, werkwijze voor het vervaardigen van een dergelijk materiaal en hogedrukontladingslamp voorzien van een dergelijk materiaal. |
| US4921819A (en) * | 1987-09-24 | 1990-05-01 | E. I. Dupont De Nemours And Company | Hafnia modified alumina fibers |
| US4948538A (en) * | 1988-10-11 | 1990-08-14 | Gte Laboratories Incorporated | Method of making translucent alumina articles |
| FR2639936B1 (fr) * | 1988-12-06 | 1991-01-25 | Thomson Csf | Piece en ceramique a plusieurs proprietes ameliorees et procede de fabrication d'une telle piece |
| EP0462780A1 (en) * | 1990-06-18 | 1991-12-27 | General Electric Company | Shield for high pressure discharge lamps |
| DE69303414T2 (de) * | 1992-04-22 | 1997-01-23 | Sumitomo Chemical Co | Polykristalliner, lichtdurchlässiger Aluminiumoxidkörper und Verfahren zu seiner Herstellung |
| US5844350A (en) * | 1992-12-18 | 1998-12-01 | General Electric Company | Coated arc tube for sodium vapor lamp |
| US5427051A (en) * | 1993-05-21 | 1995-06-27 | General Electric Company | Solid state formation of sapphire using a localized energy source |
| US5540182A (en) * | 1993-09-24 | 1996-07-30 | General Electric Company | Conversion of polycrystalline material to single crystal material using bodies having a selected surface topography |
| US5451553A (en) | 1993-09-24 | 1995-09-19 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire |
| ATE155452T1 (de) * | 1993-12-10 | 1997-08-15 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe mit keramischer entladungsröhre, dafür geeigneter keramischer körper und verfahren zu seiner herstellung |
| US5376606A (en) * | 1993-12-30 | 1994-12-27 | Korea Institute Of Science And Technology | Light-transmissive polycrystalline alumina ceramics |
| US5487353A (en) * | 1994-02-14 | 1996-01-30 | General Electric Company | Conversion of doped polycrystalline material to single crystal |
| US5587346A (en) * | 1995-06-16 | 1996-12-24 | Osram Sylvania, Inc. | Translucent polycrystalline alumina |
| US5631201A (en) * | 1996-07-29 | 1997-05-20 | Osram Sylvania Inc. | Translucent polycrystalline alumina and method of making same |
| US5682082A (en) * | 1996-07-29 | 1997-10-28 | Osram Sylvania Inc. | Translucent polycrystalline alumina and method of making same |
| US7297037B2 (en) * | 1998-04-28 | 2007-11-20 | General Electric Company | Ceramic discharge chamber for a discharge lamp |
| US6583563B1 (en) | 1998-04-28 | 2003-06-24 | General Electric Company | Ceramic discharge chamber for a discharge lamp |
| US6214427B1 (en) | 1998-08-28 | 2001-04-10 | General Electric Company | Method of making an electronic device having a single crystal substrate formed by solid state crystal conversion |
| US6126887A (en) * | 1999-07-30 | 2000-10-03 | General Electric Company | Method of manufacture of ceramic ARC tubes |
| JP2001064075A (ja) | 1999-08-30 | 2001-03-13 | Sumitomo Chem Co Ltd | 透光性アルミナ焼結体およびその製造方法 |
| JP4613408B2 (ja) * | 1999-10-15 | 2011-01-19 | 日本碍子株式会社 | 高圧放電灯用発光管の製造方法 |
| TW478006B (en) * | 1999-12-23 | 2002-03-01 | Gen Electric | Single ended ceramic arc discharge lamp and method of making same |
| US6592808B1 (en) * | 1999-12-30 | 2003-07-15 | General Electric Company | Cermet sintering of ceramic discharge chambers |
| US6346495B1 (en) | 1999-12-30 | 2002-02-12 | General Electric Company | Die pressing arctube bodies |
| DE10019184A1 (de) * | 2000-04-17 | 2001-10-25 | Treibacher Schleifmittel Gmbh | Formkörper |
| JP2001322867A (ja) * | 2000-05-09 | 2001-11-20 | Matsushita Electric Ind Co Ltd | 透光性焼結体と、これを用いた発光管及び放電灯 |
| US6399528B1 (en) | 2000-09-01 | 2002-06-04 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Porous aluminum oxide structures and processes for their production |
| US6475942B1 (en) * | 2000-09-05 | 2002-11-05 | General Electric Company | Conversion of polycrystalline alumina to single crystal sapphire using molybdenum doping |
| WO2002071442A1 (en) * | 2000-11-06 | 2002-09-12 | General Electric Company | Ceramic discharge chamber for a discharge lamp and methods of making it |
| US6878456B2 (en) | 2001-12-28 | 2005-04-12 | 3M Innovative Properties Co. | Polycrystalline translucent alumina-based ceramic material, uses, and methods |
| US6648638B2 (en) | 2001-12-28 | 2003-11-18 | 3M Innovative Properties Company | Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods |
| DE60212454T2 (de) * | 2002-01-04 | 2007-02-01 | Koninklijke Philips Electronics N.V. | Gesinterte formkörper und elektrische lampe |
| TWI334408B (en) * | 2002-05-28 | 2010-12-11 | Nat Inst Of Advanced Ind Scien | Brittle material formed of ultrafine particles |
| CN100369859C (zh) * | 2002-07-10 | 2008-02-20 | 皇家飞利浦电子股份有限公司 | 透光多晶氧化铝及形成方法 |
| US20040120886A1 (en) * | 2002-12-20 | 2004-06-24 | General Electric Company | Chlorine treatment for producing alumina ceramics with low transition metal impurities |
| EP1507180A1 (fr) * | 2003-08-11 | 2005-02-16 | Montres Rado S.A. | Elément de fermeture ou d'habillage transparent et inrayable pour une montre et montre munie d'un tel élément |
| US6844285B1 (en) | 2003-09-03 | 2005-01-18 | Osram Sylvania Inc. | Transparent polycrystalline yttrium aluminum garnet |
| CN1317224C (zh) * | 2004-05-11 | 2007-05-23 | 山东轻工业学院 | 氧化铝系多相复合结构陶瓷材料及其生产方法 |
| ATE486051T1 (de) * | 2004-07-02 | 2010-11-15 | Konoshima Chemical | Lichtdurchlässiges lutetiumoxid-sinterprodukt und herstellungsverfahren dafür |
| EP1805119B1 (en) * | 2004-10-01 | 2015-07-01 | Ceranova Corporation | Polycrystalline alumina articles and methods of manufacture |
| JP4880904B2 (ja) * | 2005-02-15 | 2012-02-22 | 新光電気工業株式会社 | 放電管 |
| US20060202627A1 (en) * | 2005-03-09 | 2006-09-14 | General Electric Company | Ceramic arctubes for discharge lamps |
| FR2886289B1 (fr) * | 2005-05-26 | 2008-05-09 | Saint Gobain Ct Recherches | Produit d'alumine frittee transparent au rayonnement infrarouge |
| GB2428867A (en) * | 2005-08-05 | 2007-02-07 | Gen Electric | A one-piece end plug with tapered leg portion for a ceramic arc tube |
| US7330122B2 (en) | 2005-08-10 | 2008-02-12 | Remotemdx, Inc. | Remote tracking and communication device |
| US20080283522A1 (en) | 2007-05-14 | 2008-11-20 | Shuyl Qin | Translucent polycrystalline alumina ceramic |
| US7678725B2 (en) * | 2007-05-14 | 2010-03-16 | General Electric Company | Translucent polycrystalline alumina ceramic |
| US8278233B2 (en) * | 2009-09-09 | 2012-10-02 | Ngk Insulators, Ltd. | Translucent polycrystalline sintered body, method for producing the same, and arc tube for high-intensity discharge lamp |
| US8319431B2 (en) | 2010-06-25 | 2012-11-27 | General Electric Company | Ceramic arc tube for a discharge lamp and method of making same |
| US20120306365A1 (en) * | 2011-06-06 | 2012-12-06 | General Electric Company | Polycrystalline transluscent alumina for high intensity discharge lamps |
| AR088684A1 (es) * | 2011-11-07 | 2014-06-25 | Ceramtec Etec Gmbh | Ceramica transparente |
| US9658520B2 (en) | 2012-10-01 | 2017-05-23 | Koninklijke Philips N.V. | Wavelength converting element comprising ceramic capsule |
| EP3107116B1 (en) * | 2014-02-12 | 2018-12-26 | NGK Insulators, Ltd. | Handle substrate of composite substrate for semiconductor, and composite substrate for semiconductor |
| RU2735350C2 (ru) | 2015-06-16 | 2020-10-30 | Керамтек-Этек Гмбх | Прозрачный керамический материал в качестве компонента небьющихся оптических стекол |
| KR20200113032A (ko) * | 2015-10-06 | 2020-10-05 | 엔테그리스, 아이엔씨. | 고체 전구체의 저온 소결 |
| RU2684540C1 (ru) * | 2018-06-13 | 2019-04-09 | Федеральное государственное бюджетное учреждение науки Институт электрофизики Уральского отделения Российской академии наук (ИЭФ УрО РАН) | Способ допирования MgO-nAl2O3 керамик ионами железа |
| JP7062087B2 (ja) * | 2018-12-06 | 2022-05-02 | 日本碍子株式会社 | セラミックス焼結体及び半導体装置用基板 |
| CN111302777A (zh) * | 2020-02-26 | 2020-06-19 | 深圳市商德先进陶瓷股份有限公司 | 氧化铝陶瓷及其制备方法和陶瓷轴承 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026210A (en) * | 1961-01-03 | 1962-03-20 | Gen Electric | Transparent alumina and method of preparation |
| US3026177A (en) * | 1961-04-25 | 1962-03-20 | Gen Electric | Process for producing transparent polycrystalline alumina |
| GB1264914A (OSRAM) * | 1968-07-10 | 1972-02-23 | ||
| NL7204638A (OSRAM) * | 1972-04-07 | 1973-10-09 | ||
| SU531795A1 (ru) * | 1975-03-31 | 1976-10-15 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Химикотехнологический Институт Им.Д.И.Менделеева | Способ изготовлени изделий из прозрачной керамики |
| GB1595518A (en) * | 1977-03-11 | 1981-08-12 | Gen Electric | Polycrystalline alumina material |
| JPS6022670B2 (ja) * | 1978-05-12 | 1985-06-03 | 日本碍子株式会社 | 多結晶透明アルミナ及びその製造法ならびに高圧蒸気放射灯用発光管 |
-
1980
- 1980-03-11 US US06/129,471 patent/US4285732A/en not_active Expired - Lifetime
-
1981
- 1981-02-03 GB GB8103315A patent/GB2071073B/en not_active Expired
- 1981-03-07 DE DE3108677A patent/DE3108677C2/de not_active Expired
- 1981-03-09 NL NL8101128A patent/NL8101128A/nl not_active Application Discontinuation
- 1981-03-09 FR FR8104609A patent/FR2501190A1/fr active Granted
- 1981-03-10 JP JP56033255A patent/JPS596831B2/ja not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006011224B4 (de) * | 2006-03-10 | 2009-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schlicker sowie damit hergestellter keramischer Verbundwerkstoff |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56140072A (en) | 1981-11-02 |
| NL8101128A (nl) | 1981-10-01 |
| GB2071073A (en) | 1981-09-16 |
| DE3108677A1 (de) | 1982-01-07 |
| JPS596831B2 (ja) | 1984-02-14 |
| US4285732A (en) | 1981-08-25 |
| GB2071073B (en) | 1984-01-04 |
| FR2501190B1 (OSRAM) | 1983-12-23 |
| FR2501190A1 (fr) | 1982-09-10 |
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| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |