KR101159625B1 - 니오브분, 니오브 입자화물, 니오브 소결체 및 콘덴서 및그들의 제조방법 - Google Patents
니오브분, 니오브 입자화물, 니오브 소결체 및 콘덴서 및그들의 제조방법 Download PDFInfo
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- KR101159625B1 KR101159625B1 KR1020077008220A KR20077008220A KR101159625B1 KR 101159625 B1 KR101159625 B1 KR 101159625B1 KR 1020077008220 A KR1020077008220 A KR 1020077008220A KR 20077008220 A KR20077008220 A KR 20077008220A KR 101159625 B1 KR101159625 B1 KR 101159625B1
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- KR
- South Korea
- Prior art keywords
- niobium
- powder
- hydrogenated
- alloy powder
- capacitors
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 239000003990 capacitor Substances 0.000 title claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000008187 granular material Substances 0.000 title claims description 11
- 239000010955 niobium Substances 0.000 title description 44
- 229910052758 niobium Inorganic materials 0.000 title description 43
- 239000000843 powder Substances 0.000 claims abstract description 163
- 229910001257 Nb alloy Inorganic materials 0.000 claims abstract description 115
- -1 niobium hydride Chemical compound 0.000 claims abstract description 77
- 238000000227 grinding Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 27
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 19
- 239000000956 alloy Substances 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 15
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002821 niobium Chemical class 0.000 claims description 60
- 239000002245 particle Substances 0.000 claims description 54
- 239000002002 slurry Substances 0.000 claims description 38
- 229910052760 oxygen Inorganic materials 0.000 claims description 28
- 239000001301 oxygen Substances 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 238000010298 pulverizing process Methods 0.000 claims description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000002612 dispersion medium Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 7
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 6
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000013618 particulate matter Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 150000001247 metal acetylides Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 2
- 239000011324 bead Substances 0.000 abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 28
- 239000007864 aqueous solution Substances 0.000 description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 150000001450 anions Chemical class 0.000 description 15
- 239000001257 hydrogen Substances 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 14
- 239000007800 oxidant agent Substances 0.000 description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 12
- 229920001940 conductive polymer Polymers 0.000 description 10
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 229910052709 silver Inorganic materials 0.000 description 8
- 239000004332 silver Substances 0.000 description 8
- 229910052715 tantalum Inorganic materials 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
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- 229920005989 resin Polymers 0.000 description 5
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- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical class [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 3
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 3
- FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 description 2
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
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- 235000011054 acetic acid Nutrition 0.000 description 2
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- 150000001298 alcohols Chemical class 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
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- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
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- 125000001302 tertiary amino group Chemical group 0.000 description 1
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- PCCVSPMFGIFTHU-UHFFFAOYSA-N tetracyanoquinodimethane Chemical group N#CC(C#N)=C1C=CC(=C(C#N)C#N)C=C1 PCCVSPMFGIFTHU-UHFFFAOYSA-N 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Disintegrating Or Milling (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (25)
- 분산매로서 물의 존재 하, 분쇄 조재로서 밀도 2~3.6g/㎤, 파괴인성값이 1.5㎫?m1/2이상이며, 또한 금속 질화물, 금속 탄화물, 금속 붕화물 및 질화규소로 이루어지는 군에서 선택되는 1개이상을 함유하는 화합물인 재료를 사용해서 수소화 니오브 또는 수소화 니오브 합금을 분쇄하는 공정을 포함하는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 삭제
- 제1항에 있어서, 분쇄 조재가 질화규소, 또는 질화규소를 함유하는 화합물인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 제1항 또는 제3항 중 어느 한 항에 있어서, -200~30℃의 온도 범위에서 수소화 니오브 또는 수소화 니오브 합금을 분쇄하는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 제1항에 있어서, 수소화 니오브 또는 수소화 니오브 합금을 분쇄 중, 수소화 니오브 또는 수소화 니오브 합금의 평균 입자지름이 1㎛일 때의 수소화 니오브 또는 수소화 니오브 합금 및 분산매로 이루어지는 슬러리의 점도가 20℃에 있어서 0.03㎩?s이하인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 제1항에 있어서, 분쇄 종료시, 수소화 니오브 또는 수소화 니오브 합금 및 분산매로 이루어지는 슬러리의 20℃에 있어서의 틱소트로피 지수가 0.8이하인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 제1항, 제3항, 제5항 또는 제6항 중 어느 한 항에 있어서, 수소화 니오브분 또는 수소화 니오브 합금분을 분쇄한 후, 100~1000℃의 온도에서 탈수소하는 공정을 포함하는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 삭제
- 제1항, 제3항, 제5항 또는 제6항 중 어느 한 항에 있어서, 수소화 니오브 또는 수소화 니오브 합금의 평균 입자지름이 0.6㎛이하로 될 때까지 분쇄하는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분의 제조방법.
- 제1항, 제3항, 제5항 또는 제6항 중 어느 한 항에 기재된 제조방법으로 얻어지는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, 평균 입자지름이 0.01~10㎛인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, BET 비표면적이 0.5~40㎡/g인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, 부피 밀도가 0.5~4g/ml인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, 세공 지름의 구멍 지름 분포 피크가 0.01~7㎛인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, 콘덴서용 니오브분의 산소함유량(질량%)을 비표면적(㎡/g)으로 나눈 값이 1.5%/(㎡/g)이하인 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 있어서, 콘덴서용 니오브분이, 붕소, 질소, 탄소 및 유황의 원소로 이루어지는 군에서 선택된 1종이상의 원소를 더 함유하는 것을 특징으로 하는 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분.
- 제10항에 기재된 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분을 입자화해서 얻어지는 평균 입자지름이 10~500㎛인 것을 특징으로 하는 입자화물.
- 제17항에 있어서, BET 비표면적이 0.5~40㎡/g인 것을 특징으로 하는 입자화물.
- 제17항에 있어서, 세공 지름의 구멍 지름 분포 피크가 0.01~500㎛의 범위 내에 있는 것을 특징으로 하는 입자화물.
- 제17항에 있어서, 부피 밀도가 0.05~4g/ml인 것을 특징으로 하는 입자화물.
- 제17항에 있어서, 산소 농도가 14질량%이하인 것을 특징으로 하는 입자화물.
- 제10항에 기재된 콘덴서용 니오브분, 니오브 합금분, 수소화 니오브분, 또는 수소화 니오브 합금분을 소결해서 얻어지는 것을 특징으로 하는 소결체.
- 제22항에 기재된 소결체를 한쪽의 전극으로 하고, 상기 소결체 표면 상에 형성된 유전체와, 상기 유전체 상에 설치된 다른 쪽의 전극으로 구성된 것을 특징으로 하는 콘덴서.
- 제23항에 있어서, 유전체의 주성분이 산화니오브인 것을 특징으로 하는 콘덴 서.
- 제17항에 기재된 입자화물을 소결해서 얻어지는 것을 특징으로 하는 소결체.
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PCT/JP2005/018740 WO2006038720A1 (ja) | 2004-10-06 | 2005-10-05 | ニオブ粉、ニオブ造粒物、ニオブ焼結体及びコンデンサ並びにそれらの製造方法 |
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US9390829B2 (en) | 2010-01-25 | 2016-07-12 | Hitachi Chemical Company, Ltd. | Paste composition for electrode and photovoltaic cell |
CN102744415B (zh) * | 2012-07-18 | 2014-03-19 | 江西智诚新材料科技有限公司 | 用钽铌电容器废料制取冶金级粉末的方法及碳化氢化装置 |
TW201446360A (zh) * | 2012-12-27 | 2014-12-16 | Showa Denko Kk | 鈮電容器陽極用化學合成體及其製造方法 |
WO2015016066A1 (ja) * | 2013-08-01 | 2015-02-05 | 昭和電工株式会社 | 固体電解コンデンサ素子の陽極体及びその製造方法 |
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US6780218B2 (en) * | 2001-06-20 | 2004-08-24 | Showa Denko Kabushiki Kaisha | Production process for niobium powder |
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EP1808244B1 (en) | 2010-09-22 |
KR20070053322A (ko) | 2007-05-23 |
DE602005023762D1 (de) | 2010-11-04 |
EP1808244A4 (en) | 2009-08-05 |
CN101035641A (zh) | 2007-09-12 |
CN101035641B (zh) | 2012-05-09 |
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ATE482042T1 (de) | 2010-10-15 |
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