CA1034796A - Method for making a porous tantalum pellet - Google Patents

Method for making a porous tantalum pellet

Info

Publication number
CA1034796A
CA1034796A CA283,753A CA283753A CA1034796A CA 1034796 A CA1034796 A CA 1034796A CA 283753 A CA283753 A CA 283753A CA 1034796 A CA1034796 A CA 1034796A
Authority
CA
Canada
Prior art keywords
making
porous tantalum
tantalum pellet
pellet
porous
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
Application number
CA283,753A
Other languages
English (en)
French (fr)
Inventor
Walter J. Bernard
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.)
Sprague Electric Co
Original Assignee
Sprague Electric Co
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 Sprague Electric Co filed Critical Sprague Electric Co
Application granted granted Critical
Publication of CA1034796A publication Critical patent/CA1034796A/en
Expired 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
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F2003/026—Mold wall lubrication or article surface lubrication
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
CA283,753A 1976-08-09 1977-07-29 Method for making a porous tantalum pellet Expired CA1034796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/713,012 US4059442A (en) 1976-08-09 1976-08-09 Method for making a porous tantalum pellet

Publications (1)

Publication Number Publication Date
CA1034796A true CA1034796A (en) 1978-07-18

Family

ID=24864420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA283,753A Expired CA1034796A (en) 1976-08-09 1977-07-29 Method for making a porous tantalum pellet

Country Status (4)

Country Link
US (1) US4059442A (ja)
JP (1) JPS5321019A (ja)
CA (1) CA1034796A (ja)
GB (1) GB1525900A (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4423004A (en) 1983-03-24 1983-12-27 Sprague Electric Company Treatment of tantalum powder
JPS60123018A (ja) * 1983-12-08 1985-07-01 松下電器産業株式会社 焼結型電解蓄電器の製造方法
GB8502021D0 (en) * 1985-01-26 1985-02-27 Imi Titanium Ltd Formation of porous bodies
DE3603515C1 (de) * 1986-02-05 1987-04-09 Bayern Chemie Gmbh Flugchemie Temperaturstrahler
US4664883A (en) * 1986-06-17 1987-05-12 Emhart Industries, Inc. Method of making electrolytic capacitor anodes
US5184286A (en) * 1992-03-18 1993-02-02 Martin Marietta Energy Systems, Inc. Process for manufacturing tantalum capacitors
CN1068640C (zh) * 1997-09-24 2001-07-18 山东虎山实业集团有限公司 细旦丙纶短纤维的生产制造工艺
US6416730B1 (en) 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
US6576099B2 (en) 2000-03-23 2003-06-10 Cabot Corporation Oxygen reduced niobium oxides
CZ302745B6 (cs) * 2000-03-23 2011-10-12 Cabot Corporation Lisovaná anoda obsahující práškový oxid niobu a zpusob její výroby
JP2004513514A (ja) * 2000-11-06 2004-04-30 キャボット　コーポレイション 酸素を低減した改質バルブ金属酸化物
US6447570B1 (en) * 2000-11-30 2002-09-10 Vishay Sprague, Inc. Sintered Tantalum and Niobium capacitor pellets doped with Nitrogen, and method of making the same
US7655214B2 (en) * 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
US7445679B2 (en) * 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
CN101676217A (zh) * 2003-05-19 2010-03-24 卡伯特公司 生产铌金属氧化物的方法和氧还原的铌氧化物
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
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
CN102465211B (zh) * 2010-11-17 2014-01-08 重庆润泽医药有限公司 一种医用金属植入材料多孔钽的制备方法
CN103740965B (zh) * 2010-11-17 2015-04-08 重庆润泽医药有限公司 医用金属植入材料多孔钽的制备方法
US9412568B2 (en) 2011-09-29 2016-08-09 H.C. Starck, Inc. Large-area sputtering targets
CN103740964B (zh) * 2011-09-29 2015-04-08 重庆润泽医药有限公司 医用多孔金属植入材料的制备方法
CN112276079B (zh) * 2020-06-22 2021-09-10 江门富祥电子材料有限公司 一种钽坯块烧结及脱粘结剂的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299326A (en) * 1963-02-18 1967-01-17 Union Carbide Corp Solid electrolytic capacitor with porous sintered electrode of thermally pretreated anodizable metal particles
CH460261A (de) * 1965-05-26 1968-07-31 Ciba Geigy Verfahren zur Herstellung von Tantalpulver
US3496425A (en) * 1968-02-23 1970-02-17 Trw Inc Art of forming powder compacts of uniform interconnected porosity
US3697255A (en) * 1970-11-17 1972-10-10 Western Electric Co Scrap tantalum reclamation process
US3843360A (en) * 1971-05-20 1974-10-22 Showa Denko Kk Sintered tantalum for electrodes of capacitors

Also Published As

Publication number Publication date
GB1525900A (en) 1978-09-20
JPS6115124B2 (ja) 1986-04-22
JPS5321019A (en) 1978-02-27
US4059442A (en) 1977-11-22

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