CN1251325A - 铌粉和一种生产铌和/或钽粉的方法 - Google Patents
铌粉和一种生产铌和/或钽粉的方法 Download PDFInfo
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- CN1251325A CN1251325A CN99121352A CN99121352A CN1251325A CN 1251325 A CN1251325 A CN 1251325A CN 99121352 A CN99121352 A CN 99121352A CN 99121352 A CN99121352 A CN 99121352A CN 1251325 A CN1251325 A CN 1251325A
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- Prior art keywords
- reduction
- niobium
- powder
- stage
- oxide compound
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- 239000010955 niobium Substances 0.000 title claims abstract description 32
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052758 niobium Inorganic materials 0.000 title claims abstract description 22
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- ZYTNDGXGVOZJBT-UHFFFAOYSA-N niobium Chemical compound [Nb].[Nb].[Nb] ZYTNDGXGVOZJBT-UHFFFAOYSA-N 0.000 title description 3
- 230000009467 reduction Effects 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 27
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 14
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 8
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 3
- 239000011707 mineral Substances 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims abstract description 3
- 238000006722 reduction reaction Methods 0.000 claims description 44
- 239000011777 magnesium Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 24
- 230000002829 reductive effect Effects 0.000 claims description 23
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 22
- 229910052749 magnesium Inorganic materials 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000000155 melt Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000002019 doping agent Substances 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract description 3
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract description 3
- 150000007513 acids Chemical class 0.000 abstract 1
- 229910000484 niobium oxide Inorganic materials 0.000 abstract 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 abstract 1
- 229910001936 tantalum oxide Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 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 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 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 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- ROSDCCJGGBNDNL-UHFFFAOYSA-N [Ta].[Pb] Chemical compound [Ta].[Pb] ROSDCCJGGBNDNL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
-
- 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
- C22B34/24—Obtaining niobium or tantalum
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/18—Reducing step-by-step
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Powder Metallurgy (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
实施例 | 1 2 3 4 5 6 |
Mg屑 (g)还原温度(℃)Nb2O5NbOx:xFSSS1)(μm)SG2)(g/inch3)BET3)(m2/g)Mastersizer4)(μm)D10D50D90分析结果(ppm):CMgOTa其它金属(总的) | 480 400 342 570 342 342890 750 750 750 750 750350 350 600 1000 600 3001.44 0.97 0.65 1.28 0.98 0.742.13 1.19 1.59 0.39 0.70 0.516.0 11.9 17.0 12.4 18.7 14.332.4 50.1 24.5 59.9 8.0 18.4934.4 62.9 40.5 4.1 3.16 10.7138.5 301.3 202.0 108.7 175.16 198.7270.8 567.8 438.2 333.3 407.1 427.8120 203 206 208 129 1169300 1660 18250 55600 42800 116n.d. 11,200 1180 7690 1500 1600<200 <200 <200 <200 <200 <500 |
实施例 | 1 | 2 | 3 | 4 | 5 | 6 |
1.掺杂(ppm)PNH4Cl | 150 | 15010,000 | 150 | 150 | 150 | 150 |
2.还原Mg屑;(g)温度(℃)时间(hours) | 508002 | 308002 | 308002 | 408002 | 308002 | 308002 |
3.掺杂(ppm P)Mg屑温度 | 505800 | 505800 | 505800 | 505800 | 505800 | 505800 |
分析结果BETm2/gMg ppmO ppmN ppm | 3.53n.d.56,000n.d. | 2.03350014,500>30,000 | 4130020,000n.d. | 1.56220015,000n.d. | 5.24880030,000n.d. | 7.86710045,000n.d. |
实施例 | 1 | 2 | 3a | 3b | 4 | 5 | 6a | 6b |
制备Nb粉末的实施例 | 1 | 2 | 3 | 3 | 4 | 5 | 5+6 | 6 |
烧结条件烧结密度g/cm3温度℃ ℃时间min | 3.39130010 | 3.65125030 | 5125020 | 5125020 | 3.5115020 | 3.7115020 | 3.18115020 | 3.6115020 |
成形电压V | 40 | 16 | 40 | 16 | 40 | 16 | 40 | 16 |
比容量μFV/g比漏电流μA/μFV | 127,026.67 | 40,5181.6 | 23,0432.01 | 29,7252.7 | 74,6224.7 | 213,8040.85 | 357,6640.78 | 356,5211.62 |
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19847012A DE19847012A1 (de) | 1998-10-13 | 1998-10-13 | Niobpulver und Verfahren zu dessen Herstellung |
DE19847012.6 | 1998-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1251325A true CN1251325A (zh) | 2000-04-26 |
CN1180910C CN1180910C (zh) | 2004-12-22 |
Family
ID=7884220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991213521A Expired - Lifetime CN1180910C (zh) | 1998-10-13 | 1999-10-13 | 铌粉和一种生产铌和/或钽粉的方法 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6136062A (zh) |
EP (1) | EP0997542B1 (zh) |
JP (3) | JP4215911B2 (zh) |
KR (1) | KR100625726B1 (zh) |
CN (1) | CN1180910C (zh) |
AT (1) | ATE235571T1 (zh) |
AU (1) | AU755289B2 (zh) |
BR (1) | BR9904431A (zh) |
CA (1) | CA2285786C (zh) |
DE (2) | DE19847012A1 (zh) |
EE (1) | EE04160B1 (zh) |
HK (1) | HK1027522A1 (zh) |
IL (1) | IL132317A (zh) |
PT (1) | PT997542E (zh) |
RU (1) | RU2238821C2 (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003068435A1 (fr) * | 2001-09-29 | 2003-08-21 | Ningxia Orient Tantalum Industry Co., Ltd | Procede de preparation de poudre de tantale et/ou de poudre de niobium a surface active specifique elevee |
CN1328409C (zh) * | 2000-05-22 | 2007-07-25 | 卡伯特公司 | 铌溅射靶及其制造方法 |
CN100471968C (zh) * | 2002-06-04 | 2009-03-25 | 卡伯特超金属株式会社 | 金属的回收方法 |
CN100577574C (zh) * | 2007-08-25 | 2010-01-06 | 宁夏东方钽业股份有限公司 | 低价氧化铌或铌粉的制备方法 |
CN1720114B (zh) * | 2002-11-01 | 2011-03-23 | 卡伯特超金属株式会社 | 金属粉末的制造方法以及其中使用的原料或稀释盐的评价方法 |
CN101574741B (zh) * | 2009-06-25 | 2011-05-18 | 宁夏东方钽业股份有限公司 | 电容器用钽粉的制备方法 |
CN102294472A (zh) * | 2004-10-08 | 2011-12-28 | H.C.施塔克股份有限公司 | 制备电子管金属粉末的方法 |
CN1853830B (zh) * | 2001-05-04 | 2012-02-22 | H·C·施塔克公司 | 一种高纯钽粉末以及含有该粉末的丸粒和电容器 |
CN102773478A (zh) * | 2012-07-10 | 2012-11-14 | 中国振华(集团)新云电子元器件有限责任公司 | 一种提高钽块机械强度的烧结方法 |
WO2023109170A1 (zh) | 2021-12-15 | 2023-06-22 | 宁夏东方钽业股份有限公司 | 采用碱土金属还原氧化钽生产电容器用钽粉的方法 |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US20030145682A1 (en) * | 1994-08-01 | 2003-08-07 | Kroftt-Brakston International, Inc. | Gel of elemental material or alloy and liquid metal and salt |
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- 1999-09-30 AT AT99119076T patent/ATE235571T1/de active
- 1999-09-30 PT PT99119076T patent/PT997542E/pt unknown
- 1999-09-30 EP EP99119076A patent/EP0997542B1/de not_active Expired - Lifetime
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Cited By (13)
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CN1328409C (zh) * | 2000-05-22 | 2007-07-25 | 卡伯特公司 | 铌溅射靶及其制造方法 |
CN1853830B (zh) * | 2001-05-04 | 2012-02-22 | H·C·施塔克公司 | 一种高纯钽粉末以及含有该粉末的丸粒和电容器 |
GB2396161B (en) * | 2001-09-29 | 2004-11-24 | Ningxia Orient Tantalum Indust | Process for the production of high specific surface area tantalum and/or niobium powders |
GB2396161A (en) * | 2001-09-29 | 2004-06-16 | Ningxia Orient Tantalum Indust | A process for preparing tantalum powder and/or niobium powder having high specific surface area |
WO2003068435A1 (fr) * | 2001-09-29 | 2003-08-21 | Ningxia Orient Tantalum Industry Co., Ltd | Procede de preparation de poudre de tantale et/ou de poudre de niobium a surface active specifique elevee |
CN100471968C (zh) * | 2002-06-04 | 2009-03-25 | 卡伯特超金属株式会社 | 金属的回收方法 |
CN1720114B (zh) * | 2002-11-01 | 2011-03-23 | 卡伯特超金属株式会社 | 金属粉末的制造方法以及其中使用的原料或稀释盐的评价方法 |
CN102294472A (zh) * | 2004-10-08 | 2011-12-28 | H.C.施塔克股份有限公司 | 制备电子管金属粉末的方法 |
CN102294472B (zh) * | 2004-10-08 | 2015-09-30 | H.C.施塔克股份有限公司 | 制备电子管金属粉末的方法 |
CN100577574C (zh) * | 2007-08-25 | 2010-01-06 | 宁夏东方钽业股份有限公司 | 低价氧化铌或铌粉的制备方法 |
CN101574741B (zh) * | 2009-06-25 | 2011-05-18 | 宁夏东方钽业股份有限公司 | 电容器用钽粉的制备方法 |
CN102773478A (zh) * | 2012-07-10 | 2012-11-14 | 中国振华(集团)新云电子元器件有限责任公司 | 一种提高钽块机械强度的烧结方法 |
WO2023109170A1 (zh) | 2021-12-15 | 2023-06-22 | 宁夏东方钽业股份有限公司 | 采用碱土金属还原氧化钽生产电容器用钽粉的方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4215911B2 (ja) | 2009-01-28 |
BR9904431A (pt) | 2000-08-08 |
CA2285786C (en) | 2009-12-01 |
CA2285786A1 (en) | 2000-04-13 |
EP0997542A1 (de) | 2000-05-03 |
IL132317A0 (en) | 2001-03-19 |
KR20000028989A (ko) | 2000-05-25 |
IL132317A (en) | 2003-07-06 |
EP0997542B1 (de) | 2003-03-26 |
JP4381401B2 (ja) | 2009-12-09 |
US6136062A (en) | 2000-10-24 |
HK1027522A1 (en) | 2001-01-19 |
DE19847012A1 (de) | 2000-04-20 |
CN1180910C (zh) | 2004-12-22 |
EE9900504A (et) | 2000-06-15 |
JP2007230865A (ja) | 2007-09-13 |
RU2238821C2 (ru) | 2004-10-27 |
AU755289B2 (en) | 2002-12-12 |
PT997542E (pt) | 2003-08-29 |
JP2000119710A (ja) | 2000-04-25 |
KR100625726B1 (ko) | 2006-09-20 |
DE59904709D1 (de) | 2003-04-30 |
JP2006336112A (ja) | 2006-12-14 |
EE04160B1 (et) | 2003-10-15 |
ATE235571T1 (de) | 2003-04-15 |
AU5012799A (en) | 2000-04-20 |
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