CZ305376B6 - Nitridovaný práškový kov s nízkým elektrochemickým potenciálem, způsob jeho výroby a anoda kondenzátoru s jeho obsahem - Google Patents

Nitridovaný práškový kov s nízkým elektrochemickým potenciálem, způsob jeho výroby a anoda kondenzátoru s jeho obsahem Download PDF

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Publication number
CZ305376B6
CZ305376B6 CZ2002-2943A CZ20022943A CZ305376B6 CZ 305376 B6 CZ305376 B6 CZ 305376B6 CZ 20022943 A CZ20022943 A CZ 20022943A CZ 305376 B6 CZ305376 B6 CZ 305376B6
Authority
CZ
Czechia
Prior art keywords
electrochemical potential
metal
low electrochemical
nitrided
ppm
Prior art date
Application number
CZ2002-2943A
Other languages
Czech (cs)
English (en)
Other versions
CZ20022943A3 (cs
Inventor
Bhamidipaty K. D. P. Rao
Shi Yuan
Original Assignee
Cabot Corporation
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 Cabot Corporation filed Critical Cabot Corporation
Publication of CZ20022943A3 publication Critical patent/CZ20022943A3/cs
Publication of CZ305376B6 publication Critical patent/CZ305376B6/cs

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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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/12—Metallic powder containing non-metallic particles
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • 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
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Powder Metallurgy (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
CZ2002-2943A 2000-03-01 2001-02-28 Nitridovaný práškový kov s nízkým elektrochemickým potenciálem, způsob jeho výroby a anoda kondenzátoru s jeho obsahem CZ305376B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18597900P 2000-03-01 2000-03-01

Publications (2)

Publication Number Publication Date
CZ20022943A3 CZ20022943A3 (cs) 2003-08-13
CZ305376B6 true CZ305376B6 (cs) 2015-08-26

Family

ID=22683158

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ2002-2943A CZ305376B6 (cs) 2000-03-01 2001-02-28 Nitridovaný práškový kov s nízkým elektrochemickým potenciálem, způsob jeho výroby a anoda kondenzátoru s jeho obsahem

Country Status (15)

Country Link
US (2) US6679934B2 (cg-RX-API-DMAC7.html)
EP (1) EP1259346A2 (cg-RX-API-DMAC7.html)
JP (1) JP4261105B2 (cg-RX-API-DMAC7.html)
KR (1) KR20020091109A (cg-RX-API-DMAC7.html)
CN (1) CN100491022C (cg-RX-API-DMAC7.html)
AU (2) AU2001239946B2 (cg-RX-API-DMAC7.html)
BR (1) BR0108905A (cg-RX-API-DMAC7.html)
CA (1) CA2401779A1 (cg-RX-API-DMAC7.html)
CZ (1) CZ305376B6 (cg-RX-API-DMAC7.html)
HK (1) HK1053078A1 (cg-RX-API-DMAC7.html)
IL (2) IL151549A0 (cg-RX-API-DMAC7.html)
MX (1) MXPA02008557A (cg-RX-API-DMAC7.html)
RU (1) RU2246376C2 (cg-RX-API-DMAC7.html)
TW (1) TW539585B (cg-RX-API-DMAC7.html)
WO (1) WO2001064374A2 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ306436B6 (cs) * 2006-05-05 2017-01-25 Cabot Corporation Tantalový prášek a způsob jeho výroby a anoda elektrolytického kondenzátoru

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US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
US6375704B1 (en) * 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
US6432161B1 (en) * 2000-02-08 2002-08-13 Cabot Supermetals K.K. Nitrogen-containing metal powder, production process thereof, and porous sintered body and solid electrolytic capacitor using the metal powder
IL151549A0 (en) 2000-03-01 2003-04-10 Cabot Corp Nitrided valve metals and processes for making the same
JP3718412B2 (ja) * 2000-06-01 2005-11-24 キャボットスーパーメタル株式会社 ニオブまたはタンタル粉末およびその製造方法
US6554884B1 (en) 2000-10-24 2003-04-29 H.C. Starck, Inc. Tantalum and tantalum nitride powder mixtures for electrolytic capacitors substrates
JP3624898B2 (ja) * 2002-04-26 2005-03-02 昭和電工株式会社 ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ
JP2004076063A (ja) * 2002-08-13 2004-03-11 Kawatetsu Mining Co Ltd ニオブ合金粉末、固体電解コンデンサ用アノード及び固体電解コンデンサ
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
US7157073B2 (en) 2003-05-02 2007-01-02 Reading Alloys, Inc. Production of high-purity niobium monoxide and capacitor production therefrom
WO2004103906A2 (en) 2003-05-19 2004-12-02 Cabot Corporation Methods of making a niobium metal oxide and oxygen reduced niobium oxides
US7803235B2 (en) * 2004-01-08 2010-09-28 Cabot Corporation Passivation of tantalum and other metal powders using oxygen
US7085127B2 (en) * 2004-03-02 2006-08-01 Vishay Sprague, Inc. Surface mount chip capacitor
US7088573B2 (en) * 2004-03-02 2006-08-08 Vishay Sprague, Inc. Surface mount MELF capacitor
US20050225927A1 (en) * 2004-04-06 2005-10-13 Tagusagawa Solon Y Processes for the production of niobium oxides with controlled tantalum content and capacitors made therefrom
EP1736261B1 (en) * 2004-04-15 2008-12-17 JFE Mineral Company, Ltd. Tantalum powder and solid electrolytic capacitor utilizing the same
US20060070492A1 (en) * 2004-06-28 2006-04-06 Yongjian Qiu High capacitance tantalum flakes and methods of producing the same
US8057883B2 (en) * 2007-05-30 2011-11-15 Kemet Electronics Corporation Abrasive process for modifying corners, edges, and surfaces of capacitor anode bodies
JP4868601B2 (ja) * 2007-12-05 2012-02-01 Ｎｅｃトーキン株式会社 固体電解コンデンサ及びその製造方法
JP2009164412A (ja) * 2008-01-08 2009-07-23 Kobe Steel Ltd 多孔質金属薄膜およびその製造方法、ならびにコンデンサ
CN100528418C (zh) * 2008-01-11 2009-08-19 宁夏东方钽业股份有限公司 含氮均匀的阀金属粉末及其制造方法,阀金属坯块和阀金属烧结体以及电解电容器的阳极
RU2445188C2 (ru) * 2009-12-28 2012-03-20 Открытое акционерное общество "Русполимет" Способ получения изделий из стальных гранул методом порошковой металлургии с равномерным распределением азота в объеме изделия
US9764388B2 (en) * 2013-12-10 2017-09-19 Ningxia Orient Tantalum Industry Co., Ltd. Method for preparing tantalum powder of capacitor grade with high nitrogen content, tantalum powder of capacitor grade prepared thereby, and anode and capacitor prepared from tantalum powder
IL264192B2 (en) * 2016-07-13 2023-12-01 Ningxia Orient Tantalum Ind Co Ltd Flaked tantalum powder and preparation method thereof
JP6815246B2 (ja) * 2017-03-27 2021-01-20 太平洋セメント株式会社 窒化タンタル粒子
CN107857240B (zh) * 2017-11-30 2021-03-30 株洲硬质合金集团有限公司 氮化铌粉末的生产方法
CN111906315B (zh) * 2020-07-17 2022-04-05 歌尔光学科技有限公司 粉末冶金方法

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US4423004A (en) * 1983-03-24 1983-12-27 Sprague Electric Company Treatment of tantalum powder
EP0634762A1 (en) * 1990-09-13 1995-01-18 Matsushita Electric Industrial Co., Ltd. A method for producing a solid electrolytic capacitor
WO1999057739A1 (en) * 1998-05-04 1999-11-11 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors

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Publication number Priority date Publication date Assignee Title
US3427132A (en) * 1967-04-12 1969-02-11 Nat Res Corp Tantalum nitride powder and method for its preparation
CS164421B1 (cg-RX-API-DMAC7.html) * 1972-03-06 1975-11-07
US4423004A (en) * 1983-03-24 1983-12-27 Sprague Electric Company Treatment of tantalum powder
EP0634762A1 (en) * 1990-09-13 1995-01-18 Matsushita Electric Industrial Co., Ltd. A method for producing a solid electrolytic capacitor
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ306436B6 (cs) * 2006-05-05 2017-01-25 Cabot Corporation Tantalový prášek a způsob jeho výroby a anoda elektrolytického kondenzátoru

Also Published As

Publication number Publication date
US6679934B2 (en) 2004-01-20
CZ20022943A3 (cs) 2003-08-13
AU2001239946B2 (en) 2004-12-16
MXPA02008557A (es) 2003-04-14
CN1426334A (zh) 2003-06-25
EP1259346A2 (en) 2002-11-27
CN100491022C (zh) 2009-05-27
TW539585B (en) 2003-07-01
KR20020091109A (ko) 2002-12-05
WO2001064374A9 (en) 2003-01-03
IL151549A (en) 2006-10-05
IL151549A0 (en) 2003-04-10
CA2401779A1 (en) 2001-09-07
JP2003525350A (ja) 2003-08-26
US20020088507A1 (en) 2002-07-11
WO2001064374A3 (en) 2002-03-21
US7144546B2 (en) 2006-12-05
JP4261105B2 (ja) 2009-04-30
US20040108018A1 (en) 2004-06-10
HK1053078A1 (zh) 2003-10-10
RU2246376C2 (ru) 2005-02-20
WO2001064374A2 (en) 2001-09-07
AU3994601A (en) 2001-09-12
BR0108905A (pt) 2003-03-18

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