DE3873951T2 - Metallflocken enthaltendes tantalpulver. - Google Patents

Metallflocken enthaltendes tantalpulver.

Info

Publication number
DE3873951T2
DE3873951T2 DE8888101765T DE3873951T DE3873951T2 DE 3873951 T2 DE3873951 T2 DE 3873951T2 DE 8888101765 T DE8888101765 T DE 8888101765T DE 3873951 T DE3873951 T DE 3873951T DE 3873951 T2 DE3873951 T2 DE 3873951T2
Authority
DE
Germany
Prior art keywords
containing metal
powder containing
metal flakes
tantal
tantal 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
DE8888101765T
Other languages
English (en)
Other versions
DE3873951D1 (de
Inventor
Edward Karl Schiele
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.)
Taniobis Co Ltd
Original Assignee
TANTALUM PRODUCTION Inc N D GE
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 TANTALUM PRODUCTION Inc N D GE filed Critical TANTALUM PRODUCTION Inc N D GE
Application granted granted Critical
Publication of DE3873951D1 publication Critical patent/DE3873951D1/de
Publication of DE3873951T2 publication Critical patent/DE3873951T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/045—Alloys based on refractory metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE8888101765T 1987-03-26 1988-02-05 Metallflocken enthaltendes tantalpulver. Expired - Lifetime DE3873951T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/030,334 US4740238A (en) 1987-03-26 1987-03-26 Platelet-containing tantalum powders

Publications (2)

Publication Number Publication Date
DE3873951D1 DE3873951D1 (de) 1992-10-01
DE3873951T2 true DE3873951T2 (de) 1993-03-25

Family

ID=21853729

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888101765T Expired - Lifetime DE3873951T2 (de) 1987-03-26 1988-02-05 Metallflocken enthaltendes tantalpulver.

Country Status (5)

Country Link
US (1) US4740238A (de)
EP (1) EP0284738B1 (de)
JP (1) JPS63238203A (de)
DE (1) DE3873951T2 (de)
ES (1) ES2033947T3 (de)

Families Citing this family (30)

* 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
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
DE3820960A1 (de) * 1988-06-22 1989-12-28 Starck Hermann C Fa Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
ES2020131A6 (es) * 1989-06-26 1991-07-16 Cabot Corp Procedimiento para la produccion de polvos de tantalo, niobio y sus aleaciones.
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
DE4214722C2 (de) * 1992-05-04 1994-08-25 Starck H C Gmbh Co Kg Feinteilige Metallpulver
US5993513A (en) 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
US5954856A (en) * 1996-04-25 1999-09-21 Cabot Corporation Method of making tantalum metal powder with controlled size distribution and products made therefrom
KR100484686B1 (ko) * 1996-04-25 2005-06-16 캐보트 코포레이션 탄탈륨분말의크기조절방법,크기분포가조절된탄탈륨금속분말의제조방법및그로부터제조되는생성물
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
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
CZ303685B6 (cs) 1998-05-06 2013-03-06 H. C. Starck Inc. Práskový niob ve forme aglomerovaných primárních cástic, anoda kondenzátoru z tohoto práskového niobu a kondenzátor
BRPI9917635B1 (pt) * 1998-05-06 2017-06-06 Starck H C Gmbh Co Kg pó de nióbio na forma de partículas aglomeradas primárias e método para a obtenção de um anodo de capacitor
US6576038B1 (en) 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
JP3871824B2 (ja) 1999-02-03 2007-01-24 キャボットスーパーメタル株式会社 高容量コンデンサー用タンタル粉末
RU2243856C2 (ru) * 1999-03-19 2005-01-10 Кабот Корпорейшн Получение порошков ниобия и других металлов размалыванием
US6558447B1 (en) 1999-05-05 2003-05-06 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
US6375704B1 (en) 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
US6849104B2 (en) * 2000-10-10 2005-02-01 H. C. Starck Inc. Metalothermic reduction of refractory metal oxides
PT1390172E (pt) * 2001-05-04 2009-04-14 Starck H C Inc Redução metalotérmica de óxidos metálicos refractários
EP2214853A4 (de) * 2007-10-15 2013-05-22 Hi Temp Specialty Metals Inc Verfahren zur herstellung von tantalpulver unter verwendung von zurückgewonnenen altstoffen als ausgangsmaterial
US9514890B2 (en) 2013-03-13 2016-12-06 Kemet Electronics Corporation Low energy milling to produce flake powders
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.
CN103878364B (zh) * 2014-04-23 2017-03-29 宁夏东方钽业股份有限公司 一种改善了耐电压性能的中压钽粉的制备方法
EP3184205B1 (de) * 2014-08-20 2020-05-27 Ningxia Orient Tantalum Industry Co., Ltd. Herstellungsverfahren für ein komposittantalpulver
US10192688B2 (en) * 2016-08-12 2019-01-29 Composite Material Technology, Inc. Electrolytic capacitor and method for improved electrolytic capacitor anodes
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295951A (en) * 1965-02-02 1967-01-03 Nat Res Corp Production of metals
JPS5241465B1 (de) * 1967-10-25 1977-10-18
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
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
US4502884A (en) * 1983-10-27 1985-03-05 Cabot Corporation Method for producing fiber-shaped tantalum powder and the powder produced thereby
US4555268A (en) 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
JPS62278210A (ja) * 1986-03-04 1987-12-03 キヤボツト　コ−ポレ−シヨン コンデンサ−グレ−ドタンタル粉末の製法

Also Published As

Publication number Publication date
ES2033947T3 (es) 1993-04-01
EP0284738A2 (de) 1988-10-05
US4740238A (en) 1988-04-26
EP0284738B1 (de) 1992-08-26
EP0284738A3 (en) 1989-08-23
JPS63238203A (ja) 1988-10-04
DE3873951D1 (de) 1992-10-01

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Legal Events

Date Code Title Description
8180 Miscellaneous part 1

Free format text: DER PATENTINHABER LAUTET RICHTIG: TANTALUM PRODUCTION INC. (N.D.GES.D.STAATES DELAWARE) MUSKOGEE, OKLA, US

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: H.C. STARCK (THAILAND) CO. LTD., TAYONG, TH

8328 Change in the person/name/address of the agent

Free format text: STEILING, L., DIPL.-CHEM. DR., PAT.-ASS., 51373 LEVERKUSEN