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RU2010116085A - POWDER VENTAL METAL - Google Patents

POWDER VENTAL METAL Download PDF

Info

Publication number
RU2010116085A
RU2010116085A RU2010116085/02A RU2010116085A RU2010116085A RU 2010116085 A RU2010116085 A RU 2010116085A RU 2010116085/02 A RU2010116085/02 A RU 2010116085/02A RU 2010116085 A RU2010116085 A RU 2010116085A RU 2010116085 A RU2010116085 A RU 2010116085A
Authority
RU
Russia
Prior art keywords
powder
valve metal
metal
vental
metal powder
Prior art date
Application number
RU2010116085/02A
Other languages
Russian (ru)
Inventor
Йосуа ЛЕФФЕЛЬХОЛЬЦ (DE)
Йосуа ЛЕФФЕЛЬХОЛЬЦ
Ульрих БАРТМАНН (DE)
Ульрих БАРТМАНН
Original Assignee
Х.К. Штарк Гмбх (De)
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 (De), Х.К. Штарк Гмбх filed Critical Х.К. Штарк Гмбх (De)
Publication of RU2010116085A publication Critical patent/RU2010116085A/en

Links

Classifications

    • 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
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • 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
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • 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
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • 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
    • 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
    • H01G9/15—Solid electrolytic capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Powder Metallurgy (AREA)

Abstract

1. Порошок вентильного металла, отличающийся тем, что отношение суммы примесей натрия, калия и магния к удельной электрической емкости порошка вентильного металла составляет менее 1 млн. доли/10000 мкФВ/г. ! 2. Порошок вентильного металла по п.1, отличающийся тем, что представляет собой ниобиевый или танталовый порошок. 1. Powder of valve metal, characterized in that the ratio of the sum of impurities of sodium, potassium and magnesium to the specific electric capacity of the powder of valve metal is less than 1 ppm / 10000 μFV / g. ! 2. A valve metal powder according to claim 1, characterized in that it is a niobium or tantalum powder.

Claims (2)

1. Порошок вентильного металла, отличающийся тем, что отношение суммы примесей натрия, калия и магния к удельной электрической емкости порошка вентильного металла составляет менее 1 млн. доли/10000 мкФВ/г.1. Valve metal powder, characterized in that the ratio of the sum of the impurities of sodium, potassium and magnesium to the specific electric capacity of the valve metal powder is less than 1 million fractions / 10000 μFV / g. 2. Порошок вентильного металла по п.1, отличающийся тем, что представляет собой ниобиевый или танталовый порошок. 2. Valve metal powder according to claim 1, characterized in that it is a niobium or tantalum powder.
RU2010116085/02A 2004-09-08 2010-04-23 POWDER VENTAL METAL RU2010116085A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004043343.7 2004-09-08
DE102004043343A DE102004043343A1 (en) 2004-09-08 2004-09-08 Deoxidation of valve metal powders

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU2007112796/02A Division RU2404881C2 (en) 2004-09-08 2005-08-26 Reclamation of barrier metal powders

Publications (1)

Publication Number Publication Date
RU2010116085A true RU2010116085A (en) 2011-10-27

Family

ID=35445804

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2007112796/02A RU2404881C2 (en) 2004-09-08 2005-08-26 Reclamation of barrier metal powders
RU2010116085/02A RU2010116085A (en) 2004-09-08 2010-04-23 POWDER VENTAL METAL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
RU2007112796/02A RU2404881C2 (en) 2004-09-08 2005-08-26 Reclamation of barrier metal powders

Country Status (15)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574741B (en) * 2009-06-25 2011-05-18 宁夏东方钽业股份有限公司 Preparation method of tantalum powder for capacitor
US10737320B2 (en) 2014-02-27 2020-08-11 Ningxia Orient Tantalum Industry Co., Ltd. High-purity tantalum powder and preparation method thereof
FR3038623B1 (en) * 2015-07-10 2017-06-30 Fives PROCESS FOR REMOVING OXIDES PRESENT AT THE SURFACE OF NODULES OF A METAL POWDER BEFORE USING THE SAME IN AN INDUSTRIAL PROCESS
CN107236868B (en) 2017-05-23 2019-02-26 东北大学 A method for preparing high melting point metal powder by multistage deep reduction
CN112828279B (en) * 2020-12-31 2022-08-12 昆明理工大学 A kind of metal powder gas phase deoxidation method
CN119287185B (en) * 2024-12-13 2025-03-14 河北睿阳稀有金属制品有限公司 A method for preparing low-oxygen high-purity metal hafnium

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL252366A (en) * 1958-06-13
US4141720A (en) * 1978-05-16 1979-02-27 Nrc, Inc. Tantalum powder reclaiming
JPH06104869B2 (en) * 1985-05-27 1994-12-21 マーティン，ウィリアム，レジナルド，バルマー Chemical method
US4722756A (en) * 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
US4923531A (en) * 1988-09-23 1990-05-08 Rmi Company Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier
US5022935A (en) * 1988-09-23 1991-06-11 Rmi Titanium Company Deoxidation of a refractory metal
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
WO2000067936A1 (en) * 1998-05-06 2000-11-16 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
DE19847012A1 (en) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobium powder and process for its manufacture
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 (en) * 1999-11-09 2001-05-10 Starck H C Gmbh Co Kg Capacitor powder
DE10030387A1 (en) * 2000-06-21 2002-01-03 Starck H C Gmbh Co Kg capacitor powder
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
JP2003013115A (en) * 2001-06-28 2003-01-15 Sumitomo Metal Mining Co Ltd Method for producing niobium and / or tantalum powder
CN1169643C (en) * 2001-09-29 2004-10-06 宁夏东方钽业股份有限公司 Preparation method of high specific surface area tantalum powder and/or niobium powder
JP3610942B2 (en) * 2001-10-12 2005-01-19 住友金属鉱山株式会社 Method for producing niobium and / or tantalum powder
DE10307716B4 (en) * 2002-03-12 2021-11-18 Taniobis Gmbh Valve metal powders and processes for their manufacture
US6802884B2 (en) * 2002-05-21 2004-10-12 H.C. Starck, Inc. Tantalum-silicon and niobium-silicon substrates for capacitor anodes
BR0204587A (en) * 2002-11-04 2004-06-29 Cbmm Sa High Surface Area Niobium and / or Tantalum Powder Production Process

Also Published As

Publication number Publication date
DE102004043343A1 (en) 2006-03-23
IL181782A0 (en) 2007-07-04
CN101052488A (en) 2007-10-10
AU2005281918A1 (en) 2006-03-16
KR20070098988A (en) 2007-10-08
ZA200701902B (en) 2008-08-27
TW200624200A (en) 2006-07-16
RU2404881C2 (en) 2010-11-27
US20080011124A1 (en) 2008-01-17
JP2008512568A (en) 2008-04-24
EP1793950A2 (en) 2007-06-13
MX2007002717A (en) 2008-03-11
SV2006002222A (en) 2006-05-25
BRPI0515172A (en) 2008-07-08
WO2006027119A2 (en) 2006-03-16
RU2007112796A (en) 2008-10-20
WO2006027119A3 (en) 2006-06-15

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Legal Events

Date Code Title Description
FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20130424