FR2561258B1 - - Google Patents

Info

Publication number
FR2561258B1
FR2561258B1 FR8503936A FR8503936A FR2561258B1 FR 2561258 B1 FR2561258 B1 FR 2561258B1 FR 8503936 A FR8503936 A FR 8503936A FR 8503936 A FR8503936 A FR 8503936A FR 2561258 B1 FR2561258 B1 FR 2561258B1
Authority
FR
France
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
FR8503936A
Other languages
French (fr)
Other versions
FR2561258A1 (fr
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 filed Critical
Publication of FR2561258A1 publication Critical patent/FR2561258A1/fr
Application granted granted Critical
Publication of FR2561258B1 publication Critical patent/FR2561258B1/fr
Granted 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
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR8503936A 1984-03-19 1985-03-18 Procede pour reduire la teneur en oxygene du tantale Granted FR2561258A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/591,293 US4508563A (en) 1984-03-19 1984-03-19 Reducing the oxygen content of tantalum

Publications (2)

Publication Number Publication Date
FR2561258A1 FR2561258A1 (fr) 1985-09-20
FR2561258B1 true FR2561258B1 (forum.php) 1993-02-26

Family

ID=24365899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8503936A Granted FR2561258A1 (fr) 1984-03-19 1985-03-18 Procede pour reduire la teneur en oxygene du tantale

Country Status (4)

Country Link
US (1) US4508563A (forum.php)
JP (1) JPS60217622A (forum.php)
CA (1) CA1228988A (forum.php)
FR (1) FR2561258A1 (forum.php)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
US4722756A (en) * 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
JPS6475632A (en) * 1987-09-18 1989-03-22 Tosoh Corp Recovering method for tantalum from scrap tantalum
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
ES2020131A6 (es) * 1989-06-26 1991-07-16 Cabot Corp Procedimiento para la produccion de polvos de tantalo, niobio y sus aleaciones.
US4960471A (en) * 1989-09-26 1990-10-02 Cabot Corporation Controlling the oxygen content in tantalum material
JP2505343B2 (ja) * 1992-03-17 1996-06-05 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方法
DE69516556T2 (de) * 1994-01-26 2000-09-07 H.C. Starck, Inc. Verfahren zum Nitrieren von Tantalpulver
US20030002043A1 (en) * 2001-04-10 2003-01-02 Kla-Tencor Corporation Periodic patterns and technique to control misalignment
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
CN101287857B (zh) * 2005-05-05 2011-07-13 H.C.施塔克有限公司 用于制造或再加工溅射靶和x-射线阳极的涂覆方法
US8802191B2 (en) * 2005-05-05 2014-08-12 H. C. Starck Gmbh Method for coating a substrate surface and coated product
DE112007001100T5 (de) * 2006-05-05 2009-05-14 Cabot Corp., Boston Tantalpulver mit glatter Oberfläche und Verfahren zur Herstellung desselben
US20080078268A1 (en) * 2006-10-03 2008-04-03 H.C. Starck Inc. Process for preparing metal powders having low oxygen content, powders so-produced and uses thereof
JP5377319B2 (ja) * 2006-11-07 2013-12-25 ハー．ツェー．スタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング 基材のコーティング方法及びコーティング製品
US20080145688A1 (en) 2006-12-13 2008-06-19 H.C. Starck Inc. Method of joining tantalum clade steel structures
US8197894B2 (en) 2007-05-04 2012-06-12 H.C. Starck Gmbh Methods of forming sputtering targets
US8246903B2 (en) 2008-09-09 2012-08-21 H.C. Starck Inc. Dynamic dehydriding of refractory metal powders
US8043655B2 (en) * 2008-10-06 2011-10-25 H.C. Starck, Inc. Low-energy method of manufacturing bulk metallic structures with submicron grain sizes
US8824122B2 (en) 2010-11-01 2014-09-02 Avx Corporation Solid electrolytic capacitor for use in high voltage and high temperature applications
US9412568B2 (en) 2011-09-29 2016-08-09 H.C. Starck, Inc. Large-area sputtering targets
DE102013101443B4 (de) 2012-03-01 2025-05-28 KYOCERA AVX Components Corporation (n. d. Ges. d. Staates Delaware) Verfahren zum Ausbilden eines Ultrahochspannungs-Festelektrolytkondensators
US9548163B2 (en) 2012-07-19 2017-01-17 Avx Corporation Solid electrolytic capacitor with improved performance at high voltages
DE102013213720A1 (de) 2012-07-19 2014-01-23 Avx Corporation Temperaturstabiler Festelektrolytkondensator
CN103578768B (zh) 2012-07-19 2017-10-31 Avx公司 用在电解电容器固体电解质中的非离子表面活性剂
DE102013213723A1 (de) 2012-07-19 2014-01-23 Avx Corporation Festelektrolytkondensator mit erhöhter Feucht-zu-Trocken-Kapazität
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
GB2512480B (en) 2013-03-13 2018-05-30 Avx Corp Solid electrolytic capacitor for use in extreme conditions
US9324503B2 (en) 2013-03-15 2016-04-26 Avx Corporation Solid electrolytic capacitor
US9824826B2 (en) 2013-05-13 2017-11-21 Avx Corporation Solid electrolytic capacitor containing conductive polymer particles
GB2516529B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing a multi-layered adhesion coating
GB2514486B (en) 2013-05-13 2018-08-29 Avx Corp Solid electrolytic capacitor containing a pre-coat layer
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
US10431389B2 (en) 2016-11-14 2019-10-01 Avx Corporation Solid electrolytic capacitor for high voltage environments
US11081288B1 (en) 2018-08-10 2021-08-03 Avx Corporation Solid electrolytic capacitor having a reduced anomalous charging characteristic
US11380492B1 (en) 2018-12-11 2022-07-05 KYOCERA AVX Components Corporation Solid electrolytic capacitor
US11756742B1 (en) 2019-12-10 2023-09-12 KYOCERA AVX Components Corporation Tantalum capacitor with improved leakage current stability at high temperatures
US11763998B1 (en) 2020-06-03 2023-09-19 KYOCERA AVX Components Corporation Solid electrolytic capacitor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492060A (en) * 1937-04-19 1938-09-14 Alexis Behr Improvements in or relating to electrodes for electrolytic condensers and the like
CH420632A (de) * 1959-10-21 1966-09-15 Ciba Geigy Verfahren zur Gewinnung der Metalle Niob und Tantal
DE1139982B (de) * 1959-10-21 1962-11-22 Ciba Geigy Verfahren zur Gewinnung von Niob und Tantal bzw. ihrer Legierungen
CH377613A (de) * 1959-12-02 1964-05-15 Ciba Geigy Verfahren zum Schutz der Oberfläche von Niob und Tantal
CH396213A (de) * 1961-01-10 1965-07-31 Ciba Geigy Verfahren zur Herstellung von Anoden für Elektrolytkondensatoren
GB1123015A (en) * 1964-08-07 1968-08-07 Union Carbide Corp A process for producing sintered anodes
GB1094283A (en) * 1965-05-25 1967-12-06 Ciba Ltd Method for the manufacture of tantalum and/or niobium powder
US3751333A (en) * 1970-06-11 1973-08-07 C Drummond Nuclear reactor core monitoring system
US3697255A (en) * 1970-11-17 1972-10-10 Western Electric Co Scrap tantalum reclamation process
DE2517180C3 (de) * 1975-04-18 1979-04-19 Fa. Hermann C. Starck Berlin, 1000 Berlin Verfahren zur kontinuierlichen Herstellung von feinem hochkapazitiven Erdsäuremetallpulver für Elektrolytkondensatoren

Also Published As

Publication number Publication date
US4508563A (en) 1985-04-02
JPS60217622A (ja) 1985-10-31
CA1228988A (en) 1987-11-10
FR2561258A1 (fr) 1985-09-20

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 38/85

ST Notification of lapse