FR2625122B1 - Poudre de tantale en paillettes, procede pour sa fabrication - Google Patents

Poudre de tantale en paillettes, procede pour sa fabrication

Info

Publication number
FR2625122B1
FR2625122B1 FR888815708A FR8815708A FR2625122B1 FR 2625122 B1 FR2625122 B1 FR 2625122B1 FR 888815708 A FR888815708 A FR 888815708A FR 8815708 A FR8815708 A FR 8815708A FR 2625122 B1 FR2625122 B1 FR 2625122B1
Authority
FR
France
Prior art keywords
tantalus
sequins
powder
manufacture
tantalus 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 - Fee Related
Application number
FR888815708A
Other languages
English (en)
French (fr)
Other versions
FR2625122A1 (fr
Inventor
James Allen Fife
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 FR2625122A1 publication Critical patent/FR2625122A1/fr
Application granted granted Critical
Publication of FR2625122B1 publication Critical patent/FR2625122B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/068—Flake-like particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/954—Producing flakes or crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Conductive Materials (AREA)
FR888815708A 1987-11-30 1988-11-30 Poudre de tantale en paillettes, procede pour sa fabrication Expired - Fee Related FR2625122B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12670687A 1987-11-30 1987-11-30
US07/209,746 US4940490A (en) 1987-11-30 1988-06-21 Tantalum powder

Publications (2)

Publication Number Publication Date
FR2625122A1 FR2625122A1 (fr) 1989-06-30
FR2625122B1 true FR2625122B1 (fr) 1992-09-18

Family

ID=26824953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888815708A Expired - Fee Related FR2625122B1 (fr) 1987-11-30 1988-11-30 Poudre de tantale en paillettes, procede pour sa fabrication

Country Status (8)

Country Link
US (1) US4940490A (enExample)
JP (1) JP2713365B2 (enExample)
KR (1) KR910001727B1 (enExample)
CA (1) CA1335334C (enExample)
DE (1) DE3840361A1 (enExample)
ES (1) ES2009419A6 (enExample)
FR (1) FR2625122B1 (enExample)
GB (1) GB2212817B (enExample)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211741A (en) * 1987-11-30 1993-05-18 Cabot Corporation Flaked tantalum powder
DE69126973T2 (de) * 1990-05-17 1998-02-12 Cabot Corp Herstellungsverfahren von tantalpulver mit grosser spezifischer oberfläche und geringer metallischer verunreinigung
US20030145682A1 (en) * 1994-08-01 2003-08-07 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
WO1996004407A1 (en) * 1994-08-01 1996-02-15 Kroftt-Brakston International, Inc. Method of making metals and other elements
US20030061907A1 (en) * 1994-08-01 2003-04-03 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
JP3434041B2 (ja) * 1994-09-28 2003-08-04 スタルクヴイテック株式会社 タンタル粉末及びそれを用いた電解コンデンサ
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
KR100484686B1 (ko) * 1996-04-25 2005-06-16 캐보트 코포레이션 탄탈륨분말의크기조절방법,크기분포가조절된탄탈륨금속분말의제조방법및그로부터제조되는생성물
US5954856A (en) * 1996-04-25 1999-09-21 Cabot Corporation Method of making tantalum metal powder with controlled size distribution and products made therefrom
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
CZ300529B6 (cs) * 1997-02-19 2009-06-10 H.C. Starck Gmbh Práškový tantal, zpusob jeho výroby a z nej vyrobené anody a kondezátory
US6444008B1 (en) 1998-03-19 2002-09-03 Cabot Corporation Paint and coating compositions containing tantalum and/or niobium powders
US6051044A (en) 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
EP2055412B1 (en) * 1998-05-06 2012-08-22 H.C. Starck GmbH Niobium or tantalum based powder produced by the reduction of the oxides with a gaseous metal
US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
IL145498A (en) 1999-03-19 2005-05-17 Cabot Corp Making niobium and other metal powders by milling
US6375704B1 (en) 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
AU2003273279B2 (en) * 2002-09-07 2007-05-03 Cristal Us, Inc. Process for separating ti from a ti slurry
UA79310C2 (en) * 2002-09-07 2007-06-11 Int Titanium Powder Llc Methods for production of alloys or ceramics with the use of armstrong method and device for their realization
US20050284824A1 (en) * 2002-09-07 2005-12-29 International Titanium Powder, Llc Filter cake treatment apparatus and method
AU2003263082A1 (en) * 2002-10-07 2004-05-04 International Titanium Powder, Llc. System and method of producing metals and alloys
US20060107790A1 (en) * 2002-10-07 2006-05-25 International Titanium Powder, Llc System and method of producing metals and alloys
JP4773355B2 (ja) 2003-05-19 2011-09-14 キャボット コーポレイション ニオブ酸化物及び酸素が低減したニオブ酸化物の製造方法
DE10331785B4 (de) * 2003-07-11 2007-08-23 H. C. Starck Gmbh & Co. Kg Verfahren zur Herstellung feiner Metall-, Legierungs-und Verbundpulver
US20070180951A1 (en) * 2003-09-03 2007-08-09 Armstrong Donn R Separation system, method and apparatus
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
WO2007044635A2 (en) 2005-10-06 2007-04-19 International Titanium Powder, Llc Titanium or titanium alloy with titanium boride dispersion
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
DE112007001100T5 (de) * 2006-05-05 2009-05-14 Cabot Corp., Boston Tantalpulver mit glatter Oberfläche und Verfahren zur Herstellung desselben
US20080031766A1 (en) * 2006-06-16 2008-02-07 International Titanium Powder, Llc Attrited titanium 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
US20080233420A1 (en) * 2007-03-23 2008-09-25 Mccracken Colin G Production of high-purity tantalum flake powder
US20080229880A1 (en) * 2007-03-23 2008-09-25 Reading Alloys, Inc. Production of high-purity tantalum flake 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
EP2214853A4 (en) * 2007-10-15 2013-05-22 Hi Temp Specialty Metals Inc PROCESS FOR PREPARING TANTALUM POWDER USING RECYCLED AGENTS AS AN EXISTING MATERIAL
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
US8430944B2 (en) * 2008-12-22 2013-04-30 Global Advanced Metals, Usa, Inc. Fine particle recovery methods for valve metal powders
US8687347B2 (en) 2011-01-12 2014-04-01 Avx Corporation Planar anode for use in a wet electrolytic capacitor
US9514890B2 (en) * 2013-03-13 2016-12-06 Kemet Electronics Corporation Low energy milling to produce flake powders
USRE48439E1 (en) 2013-09-06 2021-02-16 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
US9312075B1 (en) 2013-09-06 2016-04-12 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
US9633796B2 (en) 2013-09-06 2017-04-25 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
EP3089180B1 (en) 2013-12-25 2019-11-06 Ningxia Orient Tantalum Industry Co., Ltd. Capacitor grade high specific volume tantalum powder improving electrical performance and preparation method therefor
MX2017001990A (es) 2014-08-20 2017-05-23 Ningxia Orient Tantalum Ind Co Ltd Polvo de tantalo compuesto y proceso para preparar el mismo y anodo capacitor preparado a partir del polvo de tantalo.
US10192688B2 (en) 2016-08-12 2019-01-29 Composite Material Technology, Inc. Electrolytic capacitor and method for improved electrolytic capacitor anodes
US10230110B2 (en) 2016-09-01 2019-03-12 Composite Materials Technology, Inc. Nano-scale/nanostructured Si coating on valve metal substrate for LIB anodes
US20180144874A1 (en) 2016-10-21 2018-05-24 Global Advanced Metals, Usa, Inc. Tantalum Powder, Anode, And Capacitor Including Same, And Manufacturing Methods Thereof
WO2020027874A2 (en) 2018-03-05 2020-02-06 Global Advanced Metals Usa, Inc. Spherical tantalum powder, products containing the same, and methods of making the same
WO2019236160A2 (en) 2018-03-05 2019-12-12 Global Advanced Metals Usa, Inc. Powder metallurgy sputtering targets and methods of producing same
IL318772A (en) 2018-03-05 2025-04-01 Global Advanced Metals Usa Inc Anodes containing spherical powder and capacitors
CN113165066A (zh) 2018-12-12 2021-07-23 全球先进金属美国股份有限公司 球形铌合金粉末、包含其的产品、和其生产方法
US11450486B2 (en) * 2020-04-03 2022-09-20 Greatbatch Ltd. Electrolytic capacitor having a tantalum anode
US12119186B2 (en) 2020-04-03 2024-10-15 Greatbatch Ltd. Electrolytic capacitor having an anode formed from a tantalum powder with a relatively low specific charge
CN112404439A (zh) * 2020-11-18 2021-02-26 贵州振华电子信息产业技术研究有限公司 一种电容器用高压钽粉及其制备方法和电容器
CN112620636B (zh) * 2020-12-15 2021-09-03 江门富祥电子材料有限公司 一种耐高压片形钽粉的生产方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH460261A (de) * 1965-05-26 1968-07-31 Ciba Geigy Verfahren zur Herstellung von Tantalpulver
US4017302A (en) * 1976-02-04 1977-04-12 Fansteel Inc. Tantalum metal powder
US4482374A (en) * 1982-06-07 1984-11-13 Mpd Technology Corporation Production of electrically conductive metal flake
US4486225A (en) * 1982-06-07 1984-12-04 Mpd Technology Corporation Production of highly reflective metal flake
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
US4740238A (en) * 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders

Also Published As

Publication number Publication date
KR910001727B1 (ko) 1991-03-22
DE3840361C2 (enExample) 1991-12-12
JP2713365B2 (ja) 1998-02-16
GB8827970D0 (en) 1989-01-05
FR2625122A1 (fr) 1989-06-30
GB2212817A (en) 1989-08-02
GB2212817B (en) 1992-01-02
DE3840361A1 (de) 1989-06-08
CA1335334C (en) 1995-04-25
KR890008870A (ko) 1989-07-12
JPH02125804A (ja) 1990-05-14
US4940490A (en) 1990-07-10
ES2009419A6 (es) 1989-09-16

Similar Documents

Publication Publication Date Title
FR2625122B1 (fr) Poudre de tantale en paillettes, procede pour sa fabrication
FR2595278B1 (fr) Procede de production de poudre de tantale
BE879208A (fr) Procede de fabrication d'articles decoratifs
DE68913860D1 (de) Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen.
BE878902A (fr) Procede de production d'alkylene-glycols
FR2643657B1 (fr) Tissu tridimensionnel et procede pour sa fabrication
BE894484A (fr) Projectile perfectionne, a aptitudes multiples, et procede pour sa fabrication
DE3172006D1 (en) Novel quinazoline-dione compounds, process for production thereof and pharmaceutical use thereof
DE69004501D1 (de) Materialbehandlungsverfahren.
FR2490975B1 (fr) Procede de production d'objets en forme
FR2472578B1 (fr) Composition de nitrocellulose et procede pour sa production
DE3371199D1 (en) Novel 6-nitroprostaglandin derivatives, process for production thereof, and use thereof
IT9020580A0 (it) procedimento per la produzione
EP0214995A4 (en) Immunotoxin and method of making.
FI913864L (fi) Produktionsprocess.
FR2625649B1 (fr) Procede de dephospholipidation du petit-lait
FR2630105B1 (fr) Procede de fabrication des dialkyldisulfures inferieurs
TR23494A (tr) Ferrokrom ueretme islemi
FR2618779B1 (fr) Nouveau procede de preparation des 1,2,4-triazol-3-ones
MA21966A1 (fr) Procede de production de tetrathiocarbonates .
FR2644477B1 (fr) Procede pour la production de ferrosilicium
FR2576829B1 (fr) Parpaing ajoure et procede et machine pour sa fabrication
DE3886188D1 (de) Vorrichtung zum Herstellen von plattenförmigen Formmassen.
FR2652768B1 (fr) Procede de fabrication de moules.
FR2572331B1 (fr) Article embouti composite et procede pour sa fabrication

Legal Events

Date Code Title Description
ST Notification of lapse