KR100751267B1 - 니오브 소결체, 그 제조방법, 및 그것을 사용한 콘덴서 - Google Patents
니오브 소결체, 그 제조방법, 및 그것을 사용한 콘덴서 Download PDFInfo
- Publication number
- KR100751267B1 KR100751267B1 KR1020027014039A KR20027014039A KR100751267B1 KR 100751267 B1 KR100751267 B1 KR 100751267B1 KR 1020027014039 A KR1020027014039 A KR 1020027014039A KR 20027014039 A KR20027014039 A KR 20027014039A KR 100751267 B1 KR100751267 B1 KR 100751267B1
- Authority
- KR
- South Korea
- Prior art keywords
- niobium
- sintered body
- capacitor
- niobium powder
- powder
- Prior art date
Links
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 229910052758 niobium Inorganic materials 0.000 title claims abstract description 70
- 239000010955 niobium Substances 0.000 title claims abstract description 69
- 239000003990 capacitor Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 238000005245 sintering Methods 0.000 claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 31
- 239000011164 primary particle Substances 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 48
- 239000004065 semiconductor Substances 0.000 claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 8
- 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 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 239000002019 doping agent Substances 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 229920000128 polypyrrole Polymers 0.000 claims description 5
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 4
- 229920000123 polythiophene Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229920001940 conductive polymer Polymers 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- PCCVSPMFGIFTHU-UHFFFAOYSA-N tetracyanoquinodimethane Chemical compound N#CC(C#N)=C1C=CC(=C(C#N)C#N)C=C1 PCCVSPMFGIFTHU-UHFFFAOYSA-N 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000843 powder Substances 0.000 description 8
- 229910052715 tantalum Inorganic materials 0.000 description 8
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-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
- 239000011230 binding agent Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000005121 nitriding Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 0 CC(*)(*)*(*)c1c(*)c(*)c(C(C)(*)*)c(*)c1* Chemical compound CC(*)(*)*(*)c1c(*)c(*)c(C(C)(*)*)c(*)c1* 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- ROSDCCJGGBNDNL-UHFFFAOYSA-N [Ta].[Pb] Chemical compound [Ta].[Pb] ROSDCCJGGBNDNL-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- -1 polyoxyphenylene Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- YMUICPQENGUHJM-UHFFFAOYSA-N 2-methylpropyl(tripropyl)azanium Chemical compound CCC[N+](CCC)(CCC)CC(C)C YMUICPQENGUHJM-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- PYLYNBWPKVWXJC-UHFFFAOYSA-N [Nb].[Pb] Chemical compound [Nb].[Pb] PYLYNBWPKVWXJC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002821 niobium Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000414 polyfuran Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000003481 tantalum Chemical class 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0068—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only nitrides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (16)
- 니오브 분말을 소결하여 제작되는 니오브 소결체로서,단위질량당 용량(C:㎌/g)과 형성전압(V:볼트(V))의 곱(CV)이 90,000㎌/g이상이고, 니오브 분말의 일차입자의 평균입자직경(D50:㎛)과 누설전류(LC:㎂/g)의 곱을 상기 CV값으로 나눔으로써 얻어지는 값이 5 ×10-4㎛·㎂/(㎌·V)이하인 것을 특징으로 하는 니오브 소결체.
- 제1항에 있어서, 상기 니오브 분말을 부분적으로 질소화시키는 것을 특징으로 하는 니오브 소결체.
- 제2항에 있어서, 상기 니오브 분말내의 질소함량은 20질량ppm∼200,000질량 ppm의 범위내에 있는 것을 특징으로 하는 니오브 소결체.
- 제3항에 있어서, 상기 니오브 분말내의 질소함량은 500질량ppm∼7,000질량 ppm의 범위내에 있는 것을 특징으로 하는 니오브 소결체.
- 고온에서 니오브 분말을 소결하는 단계를 포함하는 니오브 소결체의 제조방법으로서,500℃∼2,000℃의 온도에서 니오브 분말을 소결하고 최고 소결온도에서 60분∼150분 동안 두는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제5항에 있어서, 900℃∼1500℃의 온도에서 상기 니오브 분말을 소결하고 최고 소결온도에서 80분∼130분 동안 두는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제5항 또는 제6항에 있어서, 상기 니오브 분말이 3㎛이하의 평균입자직경을 갖는 일차입자를 갖도록 과립화하는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제7항에 있어서, 상기 니오브 분말이 3㎛∼0.1㎛의 평균입자직경을 갖는 일차입자를 갖도록 과립화하는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제5항 또는 제6항에 있어서, 상기 니오브 분말을 부분적으로 질소화시키는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제9항에 있어서, 상기 니오브 분말내의 질소함량은 20질량ppm∼200,000질량 ppm의 범위내에 있는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제10항에 있어서, 상기 니오브 분말내의 질소함량은 500질량ppm∼7,000질량 ppm의 범위내에 있는 것을 특징으로 하는 니오브 소결체의 제조방법.
- 제1항 내지 제4항 중 어느 한 항에 기재된 니오브 소결체를 함유하는 전극, 상기 소결체의 표면상에 제공된 유전체, 및 상기 유전체상에 제공된 상대전극(counter electrode)을 포함하는 것을 특징으로 하는 콘덴서.
- 제12항에 있어서, 상기 유전체는 전해산화에 의해 형성된 산화니오브를 포함하는 것을 특징으로 하는 콘덴서.
- 제12항에 있어서, 상기 상대전극은 전해질 용액, 유기반도체, 및 무기반도체로 이루어지는 군에서 선택되는 하나 이상의 물질을 포함하는 것을 특징으로 하는 콘덴서.
- 제14항에 있어서, 상기 상대전극은, 벤조피롤린 사량체 및 클로라닐을 함유하는 유기반도체, 주성분으로서 테트라티오테트라센을 함유하는 유기반도체, 주성분으로서 테트라시아노퀴노디메탄을 함유하는 유기반도체, 및 주성분으로서 일반식(1) 또는 (2)으로 표시되는 반복단위를 두개 이상 갖는 중합체에 도핑제를 도핑함으로써 제작된 전기전도성 중합체를 함유하는 유기반도체로 이루어지는 군에서 선택되는 유기반도체를 포함하는 것을 특징으로 하는 콘덴서.(여기서 R1∼R4는 같거나 달라도 좋고, 각각 독립적으로 수소원자, 1개∼6개의 탄소원자를 갖는 알킬기, 또는 1개∼6개의 탄소원자를 갖는 알콕실기를 표시하고; X는 산소원자, 황원자, 또는 질소원자를 표시하고; X가 질소원자일 때만 존재하는 R5는 수소원자 또는 1개∼6개의 탄소원자를 갖는 알킬기를 표시하고, R1과 R2, R3과 R4는 독립적으로 결합하여 환을 형성하여도 좋다.)
- 제15항에 있어서, 상기 유기반도체는 폴리피롤, 폴리티오펜, 및 그 치환유도체로 이루어지는 군에서 선택되는 하나 이상의 물질인 것을 특징으로 하는 콘덴서.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000121244 | 2000-04-21 | ||
JPJP-P-2000-00121244 | 2000-04-21 | ||
US23343800P | 2000-09-18 | 2000-09-18 | |
US60/233,438 | 2000-09-18 | ||
PCT/JP2001/003389 WO2001082318A2 (en) | 2000-04-21 | 2001-04-20 | Niobium sintered body, production method therefor, and capacitor using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020093052A KR20020093052A (ko) | 2002-12-12 |
KR100751267B1 true KR100751267B1 (ko) | 2007-08-23 |
Family
ID=26590574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027014039A KR100751267B1 (ko) | 2000-04-21 | 2001-04-20 | 니오브 소결체, 그 제조방법, 및 그것을 사용한 콘덴서 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6835225B2 (ko) |
EP (1) | EP1275125B1 (ko) |
KR (1) | KR100751267B1 (ko) |
CN (1) | CN100339917C (ko) |
AU (1) | AU2001248805A1 (ko) |
WO (1) | WO2001082318A2 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100524166B1 (ko) * | 2001-05-15 | 2005-10-25 | 쇼와 덴코 가부시키가이샤 | 일산화 니오브분말, 일산화 니오브 소결체 및 일산화니오브 소결체를 사용한 콘덴서 |
GB2410251B8 (en) * | 2002-03-12 | 2018-07-25 | Starck H C Gmbh | Valve metal powders and process for producing them |
DE10307716B4 (de) | 2002-03-12 | 2021-11-18 | Taniobis Gmbh | Ventilmetall-Pulver und Verfahren zu deren Herstellung |
JP2004143477A (ja) * | 2002-10-22 | 2004-05-20 | Cabot Supermetal Kk | ニオブ粉末およびその製造方法、並びにそれを用いた固体電解コンデンサ |
BR0204587A (pt) | 2002-11-04 | 2004-06-29 | Cbmm Sa | Processo de produção de pó de nióbio e/ou de tântalo de elevada área superficial |
EP1620868A2 (en) | 2003-04-25 | 2006-02-01 | Cabot Corporation | A method of forming sintered valve metal material |
JP5289669B2 (ja) * | 2005-06-10 | 2013-09-11 | ローム株式会社 | Nb化合物の微粉末の製造方法、Nb化合物の微粉末を用いた固体電解コンデンサの製造方法 |
WO2007020458A1 (en) | 2005-08-19 | 2007-02-22 | Avx Limited | Polymer based solid state capacitors and a method of manufacturing them |
GB0517952D0 (en) * | 2005-09-02 | 2005-10-12 | Avx Ltd | Method of forming anode bodies for solid state capacitors |
GB0622463D0 (en) * | 2006-11-10 | 2006-12-20 | Avx Ltd | Powder modification in the manufacture of solid state capacitor anodes |
US7649730B2 (en) | 2007-03-20 | 2010-01-19 | Avx Corporation | Wet electrolytic capacitor containing a plurality of thin powder-formed anodes |
US7760487B2 (en) * | 2007-10-22 | 2010-07-20 | Avx Corporation | Doped ceramic powder for use in forming capacitor anodes |
US7760488B2 (en) * | 2008-01-22 | 2010-07-20 | Avx Corporation | Sintered anode pellet treated with a surfactant for use in an electrolytic capacitor |
US7852615B2 (en) * | 2008-01-22 | 2010-12-14 | Avx Corporation | Electrolytic capacitor anode treated with an organometallic compound |
US7768773B2 (en) * | 2008-01-22 | 2010-08-03 | Avx Corporation | Sintered anode pellet etched with an organic acid for use in an electrolytic capacitor |
JP5581607B2 (ja) * | 2008-06-05 | 2014-09-03 | 住友化学株式会社 | 高分子化合物及びそれを用いた有機トランジスタ |
KR101062741B1 (ko) * | 2009-01-06 | 2011-09-06 | 주식회사 하이닉스반도체 | Dll 회로 및 그 제어 방법 |
US8203827B2 (en) * | 2009-02-20 | 2012-06-19 | Avx Corporation | Anode for a solid electrolytic capacitor containing a non-metallic surface treatment |
GB2514486B (en) * | 2013-05-13 | 2018-08-29 | Avx Corp | Solid electrolytic capacitor containing a pre-coat layer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999057739A1 (en) * | 1998-05-04 | 1999-11-11 | Cabot Corporation | Nitrided niobium powders and niobium electrolytic capacitors |
WO2000008662A1 (fr) * | 1998-08-05 | 2000-02-17 | Showa Denko Kabushiki Kaisha | Agglomere de niobium pour condensateur et procede de production |
WO2000056486A1 (en) * | 1999-03-19 | 2000-09-28 | Cabot Corporation | Making niobium and other metal powders by milling |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4084965A (en) | 1977-01-05 | 1978-04-18 | Fansteel Inc. | Columbium powder and method of making the same |
JPS55157226A (en) | 1979-05-25 | 1980-12-06 | Matsushita Electric Ind Co Ltd | Method of manufacturing sintered element for capacitor |
SV1997000092A (es) * | 1996-11-07 | 1998-08-17 | Cabot Corp | Polvos de niobio y condensadores electroliticos de niobio |
JP3254163B2 (ja) * | 1997-02-28 | 2002-02-04 | 昭和電工株式会社 | コンデンサ |
DE19847012A1 (de) * | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobpulver und Verfahren zu dessen Herstellung |
US6540810B2 (en) * | 2000-04-21 | 2003-04-01 | Showa Denko Kabushiki Kaisha | Niobium powder for capacitor, sintered body using the powder and capacitor using the same |
-
2001
- 2001-04-20 US US10/258,122 patent/US6835225B2/en not_active Expired - Lifetime
- 2001-04-20 CN CNB018082963A patent/CN100339917C/zh not_active Expired - Fee Related
- 2001-04-20 WO PCT/JP2001/003389 patent/WO2001082318A2/en active IP Right Grant
- 2001-04-20 KR KR1020027014039A patent/KR100751267B1/ko active IP Right Grant
- 2001-04-20 AU AU2001248805A patent/AU2001248805A1/en not_active Abandoned
- 2001-04-20 EP EP01921942A patent/EP1275125B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999057739A1 (en) * | 1998-05-04 | 1999-11-11 | Cabot Corporation | Nitrided niobium powders and niobium electrolytic capacitors |
US6051044A (en) | 1998-05-04 | 2000-04-18 | Cabot Corporation | Nitrided niobium powders and niobium electrolytic capacitors |
WO2000008662A1 (fr) * | 1998-08-05 | 2000-02-17 | Showa Denko Kabushiki Kaisha | Agglomere de niobium pour condensateur et procede de production |
WO2000056486A1 (en) * | 1999-03-19 | 2000-09-28 | Cabot Corporation | Making niobium and other metal powders by milling |
Also Published As
Publication number | Publication date |
---|---|
EP1275125B1 (en) | 2007-02-21 |
WO2001082318A3 (en) | 2002-06-13 |
CN1507643A (zh) | 2004-06-23 |
AU2001248805A1 (en) | 2001-11-07 |
US20030172774A1 (en) | 2003-09-18 |
KR20020093052A (ko) | 2002-12-12 |
WO2001082318A2 (en) | 2001-11-01 |
US6835225B2 (en) | 2004-12-28 |
EP1275125A2 (en) | 2003-01-15 |
CN100339917C (zh) | 2007-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100751267B1 (ko) | 니오브 소결체, 그 제조방법, 및 그것을 사용한 콘덴서 | |
JP4655689B2 (ja) | 固体電解コンデンサ及びその用途 | |
JP4809463B2 (ja) | タンタル焼結体の製造方法及びコンデンサの製造方法 | |
JP5283240B2 (ja) | コンデンサ用ニオブ、及び該ニオブ焼結体を用いたコンデンサ | |
US6689185B2 (en) | Niobium powder for capacitor, sintered body using the powder and capacitor using the same | |
EP1275124B1 (en) | Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body | |
EP1501956B1 (en) | Niobium powder, sintered body thereof and capacitor using the same | |
KR100812687B1 (ko) | 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터 | |
JP4521849B2 (ja) | コンデンサ用ニオブ粉と該ニオブ粉を用いた焼結体および該焼結体を用いたコンデンサ | |
EP1328952B1 (en) | Powder for capacitor, sintered body and capacitor using the sintered body | |
EP1281460B1 (en) | Niobium powder, sintered compact thereof and capacitor | |
JP4707164B2 (ja) | コンデンサ用ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ | |
JP4697832B2 (ja) | ニオブ焼結体、その製造方法及びその焼結体を用いたコンデンサ | |
JP4647744B2 (ja) | コンデンサ用ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ | |
JP2010265549A (ja) | コンデンサ用ニオブ粉 | |
JP4930958B2 (ja) | コンデンサの製造方法 | |
KR20020093042A (ko) | 니오브가루, 그 소결체 및 콘덴서 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120724 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20130719 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140721 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150716 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160721 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170720 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180801 Year of fee payment: 12 |