FR2574688B1 - Procede pour ameliorer les proprietes de manipulation d'une composition de poudre de tantale en flocons - Google Patents

Procede pour ameliorer les proprietes de manipulation d'une composition de poudre de tantale en flocons

Info

Publication number
FR2574688B1
FR2574688B1 FR858510422A FR8510422A FR2574688B1 FR 2574688 B1 FR2574688 B1 FR 2574688B1 FR 858510422 A FR858510422 A FR 858510422A FR 8510422 A FR8510422 A FR 8510422A FR 2574688 B1 FR2574688 B1 FR 2574688B1
Authority
FR
France
Prior art keywords
tantalus
improving
powder composition
handling properties
flake 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.)
Expired - Lifetime
Application number
FR858510422A
Other languages
English (en)
Other versions
FR2574688A1 (fr
Inventor
Marlyn F Getz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cabot Corp
Original Assignee
Cabot Corp
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 Corp filed Critical Cabot Corp
Publication of FR2574688A1 publication Critical patent/FR2574688A1/fr
Application granted granted Critical
Publication of FR2574688B1 publication Critical patent/FR2574688B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06Metallic powder characterised by the shape of the particles
    • 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
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14Treatment of metallic powder
    • B22F1/148Agglomerating
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/045Alloys based on refractory metals
    • 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
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
FR858510422A 1984-12-18 1985-07-08 Procede pour ameliorer les proprietes de manipulation d'une composition de poudre de tantale en flocons Expired - Lifetime FR2574688B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/683,243 US4555268A (en) 1984-12-18 1984-12-18 Method for improving handling properties of a flaked tantalum powder composition

Publications (2)

Publication Number Publication Date
FR2574688A1 FR2574688A1 (fr) 1986-06-20
FR2574688B1 true FR2574688B1 (fr) 1991-02-08

Family

ID=24743162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858510422A Expired - Lifetime FR2574688B1 (fr) 1984-12-18 1985-07-08 Procede pour ameliorer les proprietes de manipulation d'une composition de poudre de tantale en flocons

Country Status (10)

Country Link
US (1) US4555268A (fr)
JP (1) JPH0778241B2 (fr)
AT (1) AT392290B (fr)
AU (1) AU573500B2 (fr)
BE (1) BE902841A (fr)
DE (1) DE3527553A1 (fr)
ES (1) ES8608974A1 (fr)
FR (1) FR2574688B1 (fr)
GB (1) GB2168384B (fr)
NL (1) NL8501969A (fr)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555268A (en) * 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition
US4722756A (en) * 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
US4740238A (en) 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders
US5261942A (en) * 1987-11-30 1993-11-16 Cabot Corporation Tantalum powder and method of making same
US5580367A (en) * 1987-11-30 1996-12-03 Cabot Corporation Flaked tantalum powder and method of using same flaked tantalum powder
US4940490A (en) * 1987-11-30 1990-07-10 Cabot Corporation Tantalum powder
JP2665928B2 (ja) * 1988-03-25 1997-10-22 昭和キャボットスーパーメタル株式会社 タンタル粉末及びその製造法
US5082491A (en) * 1989-09-28 1992-01-21 V Tech Corporation Tantalum powder with improved capacitor anode processing characteristics
DE4003253A1 (de) * 1990-02-03 1991-08-08 Starck Hermann C Fa Hochkapazitive erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
US20030145682A1 (en) * 1994-08-01 2003-08-07 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
US7445658B2 (en) 1994-08-01 2008-11-04 Uchicago Argonne, Llc Titanium and titanium alloys
US7435282B2 (en) 1994-08-01 2008-10-14 International Titanium Powder, Llc Elemental material and alloy
US20030061907A1 (en) * 1994-08-01 2003-04-03 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
US6165623A (en) 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
MXPA01009477A (es) 1999-03-19 2002-06-04 Cabot Corp Elaboracion de polvo de niobio y de otros metales mediante molienda.
US6375704B1 (en) * 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
UA84126C2 (ru) * 2002-01-24 2008-09-25 Эйч. Си. Старк Инк. Провод конденсаторного сорта с более высокой прочностью на разрыв и твердостью
AU2003273279B2 (en) 2002-09-07 2007-05-03 Cristal Us, Inc. Process for separating ti from a ti slurry
AU2003263082A1 (en) 2002-10-07 2004-05-04 International Titanium Powder, Llc. System and method of producing metals and alloys
CN101010160A (zh) * 2004-06-28 2007-08-01 卡伯特公司 高电容钽片及其制备方法
US20070017319A1 (en) 2005-07-21 2007-01-25 International Titanium Powder, Llc. Titanium alloy
CN101277775A (zh) 2005-10-06 2008-10-01 国际钛金属粉末公司 硼化钛
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
US7753989B2 (en) 2006-12-22 2010-07-13 Cristal Us, Inc. Direct passivation of metal powder
US9127333B2 (en) 2007-04-25 2015-09-08 Lance Jacobsen Liquid injection of VCL4 into superheated TiCL4 for the production of Ti-V alloy powder
CA2661469A1 (fr) * 2008-04-11 2009-10-11 Andre Foucault Appareil de reeducation des jambes
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
CN101491834B (zh) * 2009-03-05 2012-06-20 宁夏东方钽业股份有限公司 钽粉的制备方法
US8512422B2 (en) 2010-06-23 2013-08-20 Avx Corporation Solid electrolytic capacitor containing an improved manganese oxide electrolyte
US8619410B2 (en) 2010-06-23 2013-12-31 Avx Corporation Solid electrolytic capacitor for use in high voltage applications
US8687347B2 (en) 2011-01-12 2014-04-01 Avx Corporation Planar anode for use in a wet electrolytic capacitor
US9105401B2 (en) 2011-12-02 2015-08-11 Avx Corporation Wet electrolytic capacitor containing a gelled working electrolyte
JP5933397B2 (ja) 2012-08-30 2016-06-08 エイヴィーエックス コーポレイション 固体電解コンデンサの製造方法および固体電解コンデンサ
US9514890B2 (en) 2013-03-13 2016-12-06 Kemet Electronics Corporation Low energy milling to produce flake powders
GB2512481B (en) 2013-03-15 2018-05-30 Avx Corp Wet electrolytic capacitor for use at high temperatures
GB2512486B (en) 2013-03-15 2018-07-18 Avx Corp Wet electrolytic capacitor
US9824826B2 (en) 2013-05-13 2017-11-21 Avx Corporation Solid electrolytic capacitor containing conductive polymer particles
GB2514486B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing a pre-coat layer
GB2516529B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing a multi-layered adhesion coating
US9165718B2 (en) 2013-09-16 2015-10-20 Avx Corporation Wet electrolytic capacitor containing a hydrogen protection layer
US9183991B2 (en) 2013-09-16 2015-11-10 Avx Corporation Electro-polymerized coating for a wet electrolytic capacitor
US10403444B2 (en) 2013-09-16 2019-09-03 Avx Corporation Wet electrolytic capacitor containing a composite coating
US9236193B2 (en) 2013-10-02 2016-01-12 Avx Corporation Solid electrolytic capacitor for use under high temperature and humidity conditions
CN103773969B (zh) * 2013-12-25 2016-01-20 西安西工大超晶科技发展有限责任公司 一种含钽的钛合金真空自耗熔炼用电极的制备方法
MX2015014640A (es) 2013-12-25 2016-03-01 Ningxia Orient Tantalum Ind Co Polvo de tantalo grado capacitor de alta capacitancia especifica con propiedades electricas mejoradas y proceso para hacer el mismo.
EP3184205B1 (fr) * 2014-08-20 2020-05-27 Ningxia Orient Tantalum Industry Co., Ltd. Procédé de préparation de poudre de tantale composite
US10014108B2 (en) 2015-03-13 2018-07-03 Avx Corporation Low profile multi-anode assembly
US9928963B2 (en) 2015-03-13 2018-03-27 Avx Corporation Thermally conductive encapsulant material for a capacitor assembly
US9754730B2 (en) 2015-03-13 2017-09-05 Avx Corporation Low profile multi-anode assembly in cylindrical housing
US9870868B1 (en) 2016-06-28 2018-01-16 Avx Corporation Wet electrolytic capacitor for use in a subcutaneous implantable cardioverter-defibrillator
US9870869B1 (en) 2016-06-28 2018-01-16 Avx Corporation Wet electrolytic capacitor
CN106392060B (zh) * 2016-10-12 2019-02-12 宁夏东方钽业股份有限公司 一种混合钽粉及其制备方法
US20220080502A1 (en) * 2020-09-14 2022-03-17 Kemet Electronics Corporation Freeze Drying and Tumble Drying of Flake Powder
JP2022115591A (ja) 2021-01-28 2022-08-09 パナソニックIpマネジメント株式会社 電解コンデンサおよびその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1314285A (fr) * 1962-02-08 1963-01-04 Starck Hermann C Fa Procédé de fabrication d'une poudre de tantale métallique appropriée pour la fabrication des condensateurs électrolytiques
US3779716A (en) * 1972-01-18 1973-12-18 Atomic Energy Commission Tantalum carbide-tantalum fiber composite material
US4017302A (en) * 1976-02-04 1977-04-12 Fansteel Inc. Tantalum metal powder
DE3130392C2 (de) * 1981-07-31 1985-10-17 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Herstellung reiner agglomerierter Ventilmetallpulver für Elektrolytkondensatoren, deren Verwendung und Verfahren zur Herstellung von Sinteranoden
US4441927A (en) * 1982-11-16 1984-04-10 Cabot Corporation Tantalum powder composition
US4555268A (en) * 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition

Also Published As

Publication number Publication date
NL8501969A (nl) 1986-07-16
AT392290B (de) 1991-02-25
GB2168384B (en) 1988-03-16
ES545440A0 (es) 1986-09-01
JPH0778241B2 (ja) 1995-08-23
DE3527553A1 (de) 1986-06-19
ATA227985A (de) 1990-08-15
DE3527553C2 (fr) 1992-02-13
AU4455585A (en) 1986-06-26
JPS61149401A (ja) 1986-07-08
GB8516376D0 (en) 1985-07-31
BE902841A (fr) 1985-11-04
FR2574688A1 (fr) 1986-06-20
AU573500B2 (en) 1988-06-09
US4555268A (en) 1985-11-26
ES8608974A1 (es) 1986-09-01
GB2168384A (en) 1986-06-18

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