JP2001512530A - タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード - Google Patents
タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノードInfo
- Publication number
- JP2001512530A JP2001512530A JP53620598A JP53620598A JP2001512530A JP 2001512530 A JP2001512530 A JP 2001512530A JP 53620598 A JP53620598 A JP 53620598A JP 53620598 A JP53620598 A JP 53620598A JP 2001512530 A JP2001512530 A JP 2001512530A
- Authority
- JP
- Japan
- Prior art keywords
- tantalum powder
- ppm
- tantalum
- powder
- anode
- 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.)
- Granted
Links
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 13
- 239000011164 primary particle Substances 0.000 claims abstract description 8
- 239000011163 secondary particle Substances 0.000 claims abstract description 6
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 5
- 239000011737 fluorine Substances 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 31
- 239000001301 oxygen Substances 0.000 claims description 31
- 229910052760 oxygen Inorganic materials 0.000 claims description 31
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 24
- 239000011574 phosphorus Substances 0.000 claims description 21
- 229910052698 phosphorus Inorganic materials 0.000 claims description 21
- 238000006392 deoxygenation reaction Methods 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 7
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 13
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 44
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 37
- 239000011777 magnesium Substances 0.000 description 30
- 229910052749 magnesium Inorganic materials 0.000 description 25
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 238000006722 reduction reaction Methods 0.000 description 14
- 230000009467 reduction Effects 0.000 description 13
- 229910052715 tantalum Inorganic materials 0.000 description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 12
- 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 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 238000002386 leaching Methods 0.000 description 11
- 229910012375 magnesium hydride Inorganic materials 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 9
- 239000011591 potassium Substances 0.000 description 9
- 229910052700 potassium Inorganic materials 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 8
- 238000005245 sintering Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 239000008240 homogeneous mixture Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- LWNCNSOPVUCKJL-UHFFFAOYSA-N [Mg].[P] Chemical compound [Mg].[P] LWNCNSOPVUCKJL-UHFFFAOYSA-N 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910000095 alkaline earth hydride Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001669 calcium Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- OHZZTXYKLXZFSZ-UHFFFAOYSA-I manganese(3+) 5,10,15-tris(1-methylpyridin-1-ium-4-yl)-20-(1-methylpyridin-4-ylidene)porphyrin-22-ide pentachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mn+3].C1=CN(C)C=CC1=C1C(C=C2)=NC2=C(C=2C=C[N+](C)=CC=2)C([N-]2)=CC=C2C(C=2C=C[N+](C)=CC=2)=C(C=C2)N=C2C(C=2C=C[N+](C)=CC=2)=C2N=C1C=C2 OHZZTXYKLXZFSZ-UHFFFAOYSA-I 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. アルカリ及びフッ素を含有せず、一次粒子サイズが50〜300nmであ り、二次粒子サイズのD50値(ASTM−B−288)が10μmを超えるタ ンタル粉体。 2. リンの含量が30〜3000ppmである請求項1に記載のタンタル粉体 。 3. 酸素の含量が4000〜20000ppmでありそして窒素の含量が10 0〜15000ppmである請求項1又は2に記載のタンタル粉体。 4. BET比表面積が2から6m2/gである請求項1〜3のいずれかに記載 のタンタル粉体。 5. アルカリ含量が2ppm未満である請求項1〜4のいずれかに記載のタン タル粉体。 6. フッ素含量が20ppm未満、好ましくは5ppm未満である請求項1〜 5のいずれかに記載のタンタル粉体。 7. 1000℃と1300℃の間の温度で焼結し、16ボルトで電気化学的に 形成した後に、比電荷が120000〜180000μFV/gであり、漏れ電 流が2nA/μFV未満であるタンタル粉体。 8. プレスした密度が5g/cm3で重量が0.521gのアノードについて Chatillonに従って測定した、アノードの破壊強度が、3kgと8kg の間、好ましくは4kgと7kgの間であることを特徴とする、請求項1〜7の 1項以上に記載のタンタル粉体から得ることができるプレスしたアノード。 9. 比電荷が80000〜170000μFV/gであることを特徴 とする、請求項1〜5の1項以上に記載のプレスしたタンタル粉体を1150〜 1300℃の温度で焼結しそして16〜30ボルトで電気化学的に形成すること によって得られる焼結したアノード。 10. タンタル塩化物とアルカリ土類金属水素化物の混合物を不活性ガス雰囲 気下での点火によって反応させ、そして生成したタンタル粉体を鉱酸を用いて洗 浄することによって単離し乾燥することを特徴とする、請求項1〜7の1項以上 に記載のタンタル粉体の製造方法。 11. 混合物がリン又は窒素を含有する物質を添加物として含有することを特 徴とする請求項10に記載の方法。 12. 単離され、乾燥されたタンタル粉体を脱酸素反応にかけることを特徴と する請求項10又は11のいずれかに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19706416 | 1997-02-19 | ||
DE19706416.7 | 1997-02-19 | ||
PCT/EP1998/000698 WO1998037248A1 (de) | 1997-02-19 | 1998-02-09 | Tantal-pulver, verfahren zu seiner herstellung, sowie daraus erhältliche sinteranoden |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006003789A Division JP4137125B2 (ja) | 1997-02-19 | 2006-01-11 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001512530A true JP2001512530A (ja) | 2001-08-21 |
JP3817742B2 JP3817742B2 (ja) | 2006-09-06 |
Family
ID=7820742
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53620598A Expired - Lifetime JP3817742B2 (ja) | 1997-02-19 | 1998-02-09 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
JP2006003789A Expired - Lifetime JP4137125B2 (ja) | 1997-02-19 | 2006-01-11 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
JP2007190615A Expired - Lifetime JP4616313B2 (ja) | 1997-02-19 | 2007-07-23 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
JP2007190605A Expired - Lifetime JP4974799B2 (ja) | 1997-02-19 | 2007-07-23 | タンタル粉体 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006003789A Expired - Lifetime JP4137125B2 (ja) | 1997-02-19 | 2006-01-11 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
JP2007190615A Expired - Lifetime JP4616313B2 (ja) | 1997-02-19 | 2007-07-23 | タンタル粉体、その製造方法、及びそれから得ることができる焼結したアノード |
JP2007190605A Expired - Lifetime JP4974799B2 (ja) | 1997-02-19 | 2007-07-23 | タンタル粉体 |
Country Status (13)
Country | Link |
---|---|
US (1) | US6193779B1 (ja) |
EP (1) | EP0964936B1 (ja) |
JP (4) | JP3817742B2 (ja) |
KR (1) | KR100511027B1 (ja) |
CN (2) | CN1080319C (ja) |
AU (1) | AU6396398A (ja) |
BR (1) | BR9807239A (ja) |
CZ (2) | CZ304759B6 (ja) |
DE (1) | DE59801634D1 (ja) |
HK (2) | HK1026459A1 (ja) |
IL (2) | IL131248A (ja) |
PT (1) | PT964936E (ja) |
WO (1) | WO1998037248A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003041099A1 (fr) * | 2001-11-08 | 2003-05-15 | Matsushita Electric Industrial Co., Ltd. | Condensateur et procede de production associe |
JP2009536266A (ja) * | 2006-05-05 | 2009-10-08 | キャボット コーポレイション | タンタル粉末およびその製造方法 |
JP2010265520A (ja) * | 2009-05-15 | 2010-11-25 | Cabot Supermetal Kk | タンタル混合粉末及びその製造方法、並びにタンタルペレット及びその製造方法。 |
JP2012518083A (ja) * | 2009-02-13 | 2012-08-09 | メタリシス リミテッド | 金属粉末の製造方法 |
Families Citing this family (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69521432T2 (de) * | 1994-08-01 | 2002-05-29 | Internat Titanium Powder L L C | Verfahren zur herstellung von metallen und anderen elementen |
US20030145682A1 (en) * | 1994-08-01 | 2003-08-07 | Kroftt-Brakston International, Inc. | Gel of elemental material or alloy and liquid metal and salt |
US7445658B2 (en) | 1994-08-01 | 2008-11-04 | Uchicago Argonne, Llc | Titanium and titanium alloys |
US20030061907A1 (en) * | 1994-08-01 | 2003-04-03 | Kroftt-Brakston International, Inc. | Gel of elemental material or alloy and liquid metal and salt |
US7435282B2 (en) | 1994-08-01 | 2008-10-14 | International Titanium Powder, Llc | Elemental material and alloy |
US6576038B1 (en) * | 1998-05-22 | 2003-06-10 | Cabot Corporation | Method to agglomerate metal particles and metal particles having improved properties |
DE19847012A1 (de) * | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobpulver und Verfahren zu dessen Herstellung |
JP3871824B2 (ja) * | 1999-02-03 | 2007-01-24 | キャボットスーパーメタル株式会社 | 高容量コンデンサー用タンタル粉末 |
JP2000306781A (ja) * | 1999-04-21 | 2000-11-02 | Showa Kyabotto Super Metal Kk | 電解コンデンサ用金属粉末ならびにこれを用いた電解コンデンサ用陽極体および電解コンデンサ |
US6375704B1 (en) † | 1999-05-12 | 2002-04-23 | Cabot Corporation | High capacitance niobium powders and electrolytic capacitor anodes |
US6358625B1 (en) * | 1999-10-11 | 2002-03-19 | H. C. Starck, Inc. | Refractory metals with improved adhesion strength |
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WO2003041099A1 (fr) * | 2001-11-08 | 2003-05-15 | Matsushita Electric Industrial Co., Ltd. | Condensateur et procede de production associe |
JP2009536266A (ja) * | 2006-05-05 | 2009-10-08 | キャボット コーポレイション | タンタル粉末およびその製造方法 |
JP2014139344A (ja) * | 2006-05-05 | 2014-07-31 | Cabot Corp | タンタル粉末およびその製造方法 |
JP2012518083A (ja) * | 2009-02-13 | 2012-08-09 | メタリシス リミテッド | 金属粉末の製造方法 |
US9393623B2 (en) | 2009-02-13 | 2016-07-19 | Metalysis Limited | Method for producing metal powders |
US9579725B2 (en) | 2009-02-13 | 2017-02-28 | Metalysis Limited | Method for producing metal powders |
JP2010265520A (ja) * | 2009-05-15 | 2010-11-25 | Cabot Supermetal Kk | タンタル混合粉末及びその製造方法、並びにタンタルペレット及びその製造方法。 |
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CZ304759B6 (cs) | 2014-09-24 |
HK1047188B (zh) | 2007-01-19 |
JP4616313B2 (ja) | 2011-01-19 |
CN1080319C (zh) | 2002-03-06 |
JP4137125B2 (ja) | 2008-08-20 |
IL131248A (en) | 2002-09-12 |
HK1026459A1 (en) | 2000-12-15 |
JP2006183150A (ja) | 2006-07-13 |
CN1258785C (zh) | 2006-06-07 |
KR20000071175A (ko) | 2000-11-25 |
EP0964936A1 (de) | 1999-12-22 |
CZ301097B6 (cs) | 2009-11-04 |
JP3817742B2 (ja) | 2006-09-06 |
IL146669A0 (en) | 2002-07-25 |
CZ296199A3 (cs) | 2000-08-16 |
BR9807239A (pt) | 2000-04-25 |
JP2007335885A (ja) | 2007-12-27 |
CN1247575A (zh) | 2000-03-15 |
EP0964936B1 (de) | 2001-10-04 |
KR100511027B1 (ko) | 2005-08-31 |
US6193779B1 (en) | 2001-02-27 |
WO1998037248A1 (de) | 1998-08-27 |
JP2007335884A (ja) | 2007-12-27 |
IL131248A0 (en) | 2001-01-28 |
JP4974799B2 (ja) | 2012-07-11 |
CN1368744A (zh) | 2002-09-11 |
AU6396398A (en) | 1998-09-09 |
HK1047188A1 (en) | 2003-02-07 |
IL146669A (en) | 2007-02-11 |
DE59801634D1 (de) | 2001-11-08 |
PT964936E (pt) | 2002-03-28 |
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