RU2404881C2 - Восстановление порошков вентильных металлов - Google Patents

Восстановление порошков вентильных металлов Download PDF

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Publication number
RU2404881C2
RU2404881C2 RU2007112796/02A RU2007112796A RU2404881C2 RU 2404881 C2 RU2404881 C2 RU 2404881C2 RU 2007112796/02 A RU2007112796/02 A RU 2007112796/02A RU 2007112796 A RU2007112796 A RU 2007112796A RU 2404881 C2 RU2404881 C2 RU 2404881C2
Authority
RU
Russia
Prior art keywords
powder
tantalum
valve metal
temperature
lanthanum
Prior art date
Application number
RU2007112796/02A
Other languages
English (en)
Russian (ru)
Other versions
RU2007112796A (ru
Inventor
Йосуа ЛЕФФЕЛЬХОЛЬЦ (DE)
Йосуа ЛЕФФЕЛЬХОЛЬЦ
Ульрих БАРТМАНН (DE)
Ульрих БАРТМАНН
Original Assignee
Х.К.Штарк ГмБХ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Х.К.Штарк ГмБХ filed Critical Х.К.Штарк ГмБХ
Publication of RU2007112796A publication Critical patent/RU2007112796A/ru
Application granted granted Critical
Publication of RU2404881C2 publication Critical patent/RU2404881C2/ru

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/12Dry methods smelting of sulfides or formation of mattes by gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/04Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052Sintered electrodes
    • H01G9/0525Powder therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/15Solid electrolytic capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials 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)
  • Powder Metallurgy (AREA)
RU2007112796/02A 2004-09-08 2005-08-26 Восстановление порошков вентильных металлов RU2404881C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004043343A DE102004043343A1 (de) 2004-09-08 2004-09-08 Desoxidation von Ventilmetallpulvern
DE102004043343.7 2004-09-08

Related Child Applications (1)

Application Number Title Priority Date Filing Date
RU2010116085/02A Division RU2010116085A (ru) 2004-09-08 2010-04-23 Порошковый вентильный металл

Publications (2)

Publication Number Publication Date
RU2007112796A RU2007112796A (ru) 2008-10-20
RU2404881C2 true RU2404881C2 (ru) 2010-11-27

Family

ID=35445804

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2007112796/02A RU2404881C2 (ru) 2004-09-08 2005-08-26 Восстановление порошков вентильных металлов
RU2010116085/02A RU2010116085A (ru) 2004-09-08 2010-04-23 Порошковый вентильный металл

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU2010116085/02A RU2010116085A (ru) 2004-09-08 2010-04-23 Порошковый вентильный металл

Country Status (15)

Country Link
US (1) US20080011124A1 (zh)
EP (1) EP1793950A2 (zh)
JP (1) JP2008512568A (zh)
KR (1) KR20070098988A (zh)
CN (1) CN101052488A (zh)
AU (1) AU2005281918A1 (zh)
BR (1) BRPI0515172A (zh)
DE (1) DE102004043343A1 (zh)
IL (1) IL181782A0 (zh)
MX (1) MX2007002717A (zh)
RU (2) RU2404881C2 (zh)
SV (1) SV2006002222A (zh)
TW (1) TW200624200A (zh)
WO (1) WO2006027119A2 (zh)
ZA (1) ZA200701902B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2015127613A1 (zh) * 2014-02-27 2015-09-03 宁夏东方钽业股份有限公司 一种高纯钽粉及其制备方法
FR3038623B1 (fr) * 2015-07-10 2017-06-30 Fives Procede permettant de retirer les oxydes presents a la surface des nodules d'une poudre metallique avant l'utilisation de celle-ci dans un procede industriel
CN107236868B (zh) 2017-05-23 2019-02-26 东北大学 一种多级深度还原制备高熔点金属粉的方法
CN112828279B (zh) * 2020-12-31 2022-08-12 昆明理工大学 一种金属粉末气相脱氧方法

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NL252366A (zh) * 1958-06-13
US4141720A (en) * 1978-05-16 1979-02-27 Nrc, Inc. Tantalum powder reclaiming
WO1986007097A1 (en) * 1985-05-27 1986-12-04 The University Of Melbourne Metal halide reduction with molten sodium/potassium alloy
US4722756A (en) * 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
US5022935A (en) * 1988-09-23 1991-06-11 Rmi Titanium Company Deoxidation of a refractory metal
US4923531A (en) * 1988-09-23 1990-05-08 Rmi Company Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier
WO1991018121A1 (en) * 1990-05-17 1991-11-28 Cabot Corporation Method of producing high surface area low metal impurity tantalum powder
US5448447A (en) * 1993-04-26 1995-09-05 Cabot Corporation Process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom
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
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
US6051326A (en) * 1997-04-26 2000-04-18 Cabot Corporation Valve metal compositions and method
DE19847012A1 (de) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
US6558447B1 (en) * 1999-05-05 2003-05-06 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
DE19953946A1 (de) * 1999-11-09 2001-05-10 Starck H C Gmbh Co Kg Kondensatorpulver
DE10030387A1 (de) * 2000-06-21 2002-01-03 Starck H C Gmbh Co Kg Kondensatorpulver
US20030104923A1 (en) * 2001-05-15 2003-06-05 Showa Denko K.K. Niobium oxide powder, niobium oxide sintered body and capacitor using the sintered body
CN1169643C (zh) * 2001-09-29 2004-10-06 宁夏东方钽业股份有限公司 高比表面积钽粉和/或铌粉的制备方法
JP3610942B2 (ja) * 2001-10-12 2005-01-19 住友金属鉱山株式会社 ニオブおよび/またはタンタルの粉末の製造法
DE10307716B4 (de) * 2002-03-12 2021-11-18 Taniobis Gmbh Ventilmetall-Pulver und Verfahren zu deren Herstellung
US6802884B2 (en) * 2002-05-21 2004-10-12 H.C. Starck, Inc. Tantalum-silicon and niobium-silicon substrates for capacitor anodes
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ТРИФОНОВ Д.Н. Редкоземельные элементы. - М.: издательство Академии наук СССР, 1960, с.87-88. СЕРЕБРЕННИКОВ В.В. Химия редкоземельных элементов. Том 1, книга первая. - Томск: издательство Томского университета, 1959, с.9. *

Also Published As

Publication number Publication date
WO2006027119A2 (de) 2006-03-16
AU2005281918A1 (en) 2006-03-16
EP1793950A2 (de) 2007-06-13
SV2006002222A (es) 2006-05-25
RU2007112796A (ru) 2008-10-20
MX2007002717A (es) 2008-03-11
ZA200701902B (en) 2008-08-27
DE102004043343A1 (de) 2006-03-23
BRPI0515172A (pt) 2008-07-08
US20080011124A1 (en) 2008-01-17
CN101052488A (zh) 2007-10-10
WO2006027119A3 (de) 2006-06-15
JP2008512568A (ja) 2008-04-24
IL181782A0 (en) 2007-07-04
TW200624200A (en) 2006-07-16
RU2010116085A (ru) 2011-10-27
KR20070098988A (ko) 2007-10-08

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20100827