KR20050085803A - 바륨 티타네이트 및 이 재료를 사용한 전자부품 - Google Patents
바륨 티타네이트 및 이 재료를 사용한 전자부품 Download PDFInfo
- Publication number
- KR20050085803A KR20050085803A KR1020057011445A KR20057011445A KR20050085803A KR 20050085803 A KR20050085803 A KR 20050085803A KR 1020057011445 A KR1020057011445 A KR 1020057011445A KR 20057011445 A KR20057011445 A KR 20057011445A KR 20050085803 A KR20050085803 A KR 20050085803A
- Authority
- KR
- South Korea
- Prior art keywords
- barium titanate
- particles
- dielectric
- titanium dioxide
- barium
- Prior art date
Links
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 229910002113 barium titanate Inorganic materials 0.000 title claims abstract description 171
- 239000000463 material Substances 0.000 title claims description 15
- 239000002245 particle Substances 0.000 claims abstract description 111
- 239000013078 crystal Substances 0.000 claims abstract description 33
- 239000003990 capacitor Substances 0.000 claims abstract description 32
- 239000003989 dielectric material Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 62
- 239000002002 slurry Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 17
- 230000007547 defect Effects 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052788 barium Inorganic materials 0.000 claims description 8
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 238000010183 spectrum analysis Methods 0.000 claims description 2
- 239000011800 void material Substances 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 157
- 239000004408 titanium dioxide Substances 0.000 description 62
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 49
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 34
- 239000010408 film Substances 0.000 description 23
- 239000011230 binding agent Substances 0.000 description 19
- 125000005587 carbonate group Chemical group 0.000 description 19
- 238000010521 absorption reaction Methods 0.000 description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 12
- 150000007514 bases Chemical class 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 230000000996 additive effect Effects 0.000 description 11
- 238000012844 infrared spectroscopy analysis Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 9
- 239000012670 alkaline solution Substances 0.000 description 8
- 150000001553 barium compounds Chemical class 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 150000003608 titanium Chemical class 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 239000003929 acidic solution Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 239000011164 primary particle Substances 0.000 description 6
- 150000001450 anions Chemical class 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- 239000003985 ceramic capacitor Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- -1 titanium alkoxide Chemical class 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical group [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 2
- 229910001863 barium hydroxide Inorganic materials 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- ZUDYPQRUOYEARG-UHFFFAOYSA-L barium(2+);dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Ba+2] ZUDYPQRUOYEARG-UHFFFAOYSA-L 0.000 description 2
- 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 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 150000003609 titanium compounds Chemical class 0.000 description 2
- 229910000348 titanium sulfate Inorganic materials 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- CRQJERFKOCCFPE-UHFFFAOYSA-N 5-methyl-1,3-bis(piperidin-1-ylmethyl)-1,3,5-triazinane-2-thione Chemical compound S=C1N(CN2CCCCC2)CN(C)CN1CN1CCCCC1 CRQJERFKOCCFPE-UHFFFAOYSA-N 0.000 description 1
- 241000408939 Atalopedes campestris Species 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 101100422634 Postia placenta (strain ATCC 44394 / Madison 698-R) STS-02 gene Proteins 0.000 description 1
- 238000003991 Rietveld refinement Methods 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002003 electrode paste Substances 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QKKWJYSVXDGOOJ-UHFFFAOYSA-N oxalic acid;oxotitanium Chemical compound [Ti]=O.OC(=O)C(O)=O QKKWJYSVXDGOOJ-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- ZFHSIBJQGYOTQN-UHFFFAOYSA-N oxygen(2-) phosphane titanium(4+) Chemical compound [O-2].[O-2].[Ti+4].P ZFHSIBJQGYOTQN-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
- C01G23/006—Alkaline earth titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
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Abstract
Description
점화 온도(℃) | BET(m2/g) | 감소된 입경(㎛) | a축 길이(nm) | c축 길이(nm) | c/a |
300 | 42.0 | 0.024 | 0.40102 | 0.40222 | 1.0030 |
500 | 40.3 | 0.025 | 0.40087 | 0.40230 | 1.0036 |
600 | 32.5 | 0.031 | 0.40068 | 0.40197 | 1.0032 |
700 | 20.2 | 0.049 | 0.40037 | 0.40170 | 1.0033 |
800 | 13.6 | 0.074 | 0.39986 | 0.40225 | 1.0060 |
900 | 6.4 | 0.157 | 0.39944 | 0.40295 | 1.0088 |
1000 | 2.1 | 0.471 | 0.39943 | 0.40286 | 1.0086 |
Claims (21)
- 입자의 형태가 단결정이고, 상기 입자는 총 입자수에 대해 20%이상의 양에 1nm이상의 직경을 갖는 공극이 없는 입자를 포함하는 것을 특징으로 하는 바륨 티타네이트.
- 제1항에 있어서, 상기 입자는 총 입자수에 대해 50%이상의 양에 1nm이상의 직경을 갖는 공극이 없는 입자를 포함하는 것을 특징으로 하는 바륨 티타네이트.
- 제1항에 있어서, 상기 입자는 총 입자수에 대해 80%이상의 양에 1nm이상의 직경을 갖는 공극이 없는 입자를 포함하는 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 입자는 0.1m2/g이상의 BET 비표면적을 갖는 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 700℃에서 열처리후 입자의 적외선 스펙트럼 분석에 의해 3500cm-1 근처에서 급격한 피크 결함이 없는 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, Sn, Zr, Ca, Sr, Pb, Ho, Nd, Y, La, Ce, Mg, Bi, Ni, Al, Si, Zn, B, Nb, W, Mn, Fe, Cu 및 Dy로 구성되는 그룹으로부터 선택된 하나 이상의 원소를 함유하고, 상기 하나 이상의 원소는 전체 BaTiO3에 대해 5몰% 미만(0몰% 포함)의 양인 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 분말 형태인 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 습식 공정에 의해 합성되는 것을 특징으로 하는 바륨 티타네이트.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 슬러리.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 페이스트.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 유전 재료.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 유전 세라믹.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 압전 재료.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 압전 세라믹.
- 제1항 내지 제3항 중 어느 한 항에 기재된 바륨 티타네이트를 함유하는 유전막 재료.
- 제11항에 기재된 유전 재료를 함유하는 캐패시터.
- 제13항에 기재된 압전 재료를 함유하는 캐패시터.
- 제15항에 기재된 유전막을 함유하는 캐패시터.
- 제15항에 기재된 유전막을 함유하는 집적 캐패시터.
- 제15항에 기재된 유전막을 함유하는 인쇄된 기판.
- 제16항에 기재된 캐패시터를 포함하는 전자 장치.
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---|---|---|---|---|
JPH07291607A (ja) * | 1994-04-21 | 1995-11-07 | Murata Mfg Co Ltd | セラミックス粉体の製造方法 |
JP3391269B2 (ja) * | 1998-01-20 | 2003-03-31 | 株式会社村田製作所 | 誘電体セラミックおよびその製造方法、ならびに、積層セラミック電子部品およびその製造方法 |
WO2000035811A1 (fr) * | 1998-12-11 | 2000-06-22 | Showa Denko K.K. | Oxyde composite de type perovskite renfermant du titane |
US7431911B2 (en) * | 2001-07-04 | 2008-10-07 | Showa Denko K.K. | Barium titanate and production and process thereof |
US20030059366A1 (en) * | 2001-09-21 | 2003-03-27 | Cabot Corporation | Dispersible barium titanate-based particles and methods of forming the same |
-
2003
- 2003-12-17 TW TW092135842A patent/TWI228493B/zh not_active IP Right Cessation
- 2003-12-18 KR KR1020057011445A patent/KR100692282B1/ko active IP Right Grant
- 2003-12-18 EP EP03780908A patent/EP1572590B1/en not_active Expired - Lifetime
- 2003-12-18 DE DE60306551T patent/DE60306551T2/de not_active Expired - Lifetime
- 2003-12-18 US US10/539,593 patent/US20060172880A1/en not_active Abandoned
- 2003-12-18 WO PCT/JP2003/016278 patent/WO2004054931A1/en active IP Right Grant
- 2003-12-18 AT AT03780908T patent/ATE331692T1/de not_active IP Right Cessation
- 2003-12-18 AU AU2003288756A patent/AU2003288756A1/en not_active Abandoned
-
2009
- 2009-07-27 US US12/510,205 patent/US20090285748A1/en not_active Abandoned
-
2013
- 2013-05-16 US US13/895,412 patent/US20130251997A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1572590A1 (en) | 2005-09-14 |
EP1572590B1 (en) | 2006-06-28 |
DE60306551T2 (de) | 2007-06-28 |
AU2003288756A1 (en) | 2004-07-09 |
US20130251997A1 (en) | 2013-09-26 |
DE60306551D1 (de) | 2006-08-10 |
KR100692282B1 (ko) | 2007-03-12 |
WO2004054931A1 (en) | 2004-07-01 |
TW200420497A (en) | 2004-10-16 |
ATE331692T1 (de) | 2006-07-15 |
US20090285748A1 (en) | 2009-11-19 |
TWI228493B (en) | 2005-03-01 |
US20060172880A1 (en) | 2006-08-03 |
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