DE60324314D1 - Herstellungsverfahren für metallpulver und verfahren zur evaluierung von rohmaterial oder salzverdünnung zur verwendung darin - Google Patents
Herstellungsverfahren für metallpulver und verfahren zur evaluierung von rohmaterial oder salzverdünnung zur verwendung darinInfo
- Publication number
- DE60324314D1 DE60324314D1 DE60324314T DE60324314T DE60324314D1 DE 60324314 D1 DE60324314 D1 DE 60324314D1 DE 60324314 T DE60324314 T DE 60324314T DE 60324314 T DE60324314 T DE 60324314T DE 60324314 D1 DE60324314 D1 DE 60324314D1
- Authority
- DE
- Germany
- Prior art keywords
- tantalum
- salt
- raw material
- niobium
- metal powder
- 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.)
- Revoked
Links
- 150000003839 salts Chemical class 0.000 title abstract 7
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 239000002184 metal Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000010790 dilution Methods 0.000 title 1
- 239000012895 dilution Substances 0.000 title 1
- 239000002994 raw material Substances 0.000 title 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 5
- 229910052715 tantalum Inorganic materials 0.000 abstract 5
- 239000003085 diluting agent Substances 0.000 abstract 3
- WTKKCYNZRWIVKL-UHFFFAOYSA-N tantalum Chemical compound [Ta+5] WTKKCYNZRWIVKL-UHFFFAOYSA-N 0.000 abstract 3
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 239000010955 niobium Substances 0.000 abstract 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 2
- 238000001159 Fisher's combined probability test Methods 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 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
-
- 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
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002319848A JP4236906B2 (ja) | 2002-11-01 | 2002-11-01 | 金属粉末の製造方法およびこれに使用する原料または希釈塩の評価方法 |
| PCT/JP2003/013879 WO2004039523A1 (ja) | 2002-11-01 | 2003-10-29 | 金属粉末の製造方法およびこれに使用する原料または希釈塩の評価方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60324314D1 true DE60324314D1 (de) | 2008-12-04 |
Family
ID=32211825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60324314T Revoked DE60324314D1 (de) | 2002-11-01 | 2003-10-29 | Herstellungsverfahren für metallpulver und verfahren zur evaluierung von rohmaterial oder salzverdünnung zur verwendung darin |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20060005664A1 (de) |
| EP (1) | EP1563932B1 (de) |
| JP (1) | JP4236906B2 (de) |
| CN (1) | CN1720114B (de) |
| AT (1) | ATE411859T1 (de) |
| AU (1) | AU2003280614A1 (de) |
| DE (1) | DE60324314D1 (de) |
| WO (1) | WO2004039523A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100085024A (ko) * | 2007-10-15 | 2010-07-28 | 하이-템프 스페설티 메탈스, 인코포레이티드 | 재생 폐물을 원료 물질로 사용한 탄탈륨 분말 제조방법 |
| CN102380619A (zh) * | 2011-10-10 | 2012-03-21 | 肇庆多罗山蓝宝石稀有金属有限公司 | 一种降低钠还原法生产的钽粉中杂质含量的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2517180C3 (de) * | 1975-04-18 | 1979-04-19 | Fa. Hermann C. Starck Berlin, 1000 Berlin | Verfahren zur kontinuierlichen Herstellung von feinem hochkapazitiven Erdsäuremetallpulver für Elektrolytkondensatoren |
| US4149876A (en) * | 1978-06-06 | 1979-04-17 | Fansteel Inc. | Process for producing tantalum and columbium powder |
| US5234491A (en) * | 1990-05-17 | 1993-08-10 | Cabot Corporation | Method of producing high surface area, low metal impurity |
| JPH04329808A (ja) * | 1991-04-30 | 1992-11-18 | Showa Kiyabotsuto Suupaa Metal Kk | タンタル粉末の製造方法 |
| US5442978A (en) * | 1994-05-19 | 1995-08-22 | H. C. Starck, Inc. | Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions |
| DE19847012A1 (de) * | 1998-10-13 | 2000-04-20 | Starck H C Gmbh Co Kg | Niobpulver und Verfahren zu dessen 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 |
-
2002
- 2002-11-01 JP JP2002319848A patent/JP4236906B2/ja not_active Expired - Lifetime
-
2003
- 2003-10-29 US US10/532,750 patent/US20060005664A1/en not_active Abandoned
- 2003-10-29 AT AT03769986T patent/ATE411859T1/de not_active IP Right Cessation
- 2003-10-29 DE DE60324314T patent/DE60324314D1/de not_active Revoked
- 2003-10-29 CN CN2003801046337A patent/CN1720114B/zh not_active Expired - Lifetime
- 2003-10-29 AU AU2003280614A patent/AU2003280614A1/en not_active Abandoned
- 2003-10-29 WO PCT/JP2003/013879 patent/WO2004039523A1/ja not_active Ceased
- 2003-10-29 EP EP03769986A patent/EP1563932B1/de not_active Revoked
Also Published As
| Publication number | Publication date |
|---|---|
| EP1563932A4 (de) | 2006-10-25 |
| WO2004039523A1 (ja) | 2004-05-13 |
| ATE411859T1 (de) | 2008-11-15 |
| JP2004156060A (ja) | 2004-06-03 |
| EP1563932A1 (de) | 2005-08-17 |
| US20060005664A1 (en) | 2006-01-12 |
| CN1720114A (zh) | 2006-01-11 |
| EP1563932B1 (de) | 2008-10-22 |
| JP4236906B2 (ja) | 2009-03-11 |
| AU2003280614A1 (en) | 2004-05-25 |
| CN1720114B (zh) | 2011-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |