FR1540937A - Process for preparing powdered metallic tantalum - Google Patents

Process for preparing powdered metallic tantalum

Info

Publication number
FR1540937A
FR1540937A FR92636A FR92636A FR1540937A FR 1540937 A FR1540937 A FR 1540937A FR 92636 A FR92636 A FR 92636A FR 92636 A FR92636 A FR 92636A FR 1540937 A FR1540937 A FR 1540937A
Authority
FR
France
Prior art keywords
powdered metallic
metallic tantalum
preparing powdered
preparing
tantalum
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
FR92636A
Other languages
French (fr)
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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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
Priority claimed from CH143866A external-priority patent/CH457869A/en
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to FR92636A priority Critical patent/FR1540937A/en
Application granted granted Critical
Publication of FR1540937A publication Critical patent/FR1540937A/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
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR92636A 1966-02-02 1967-01-26 Process for preparing powdered metallic tantalum Expired FR1540937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR92636A FR1540937A (en) 1966-02-02 1967-01-26 Process for preparing powdered metallic tantalum

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH143866A CH457869A (en) 1966-02-02 1966-02-02 Process for the production of tantalum metal powder, in particular for capacitor purposes
FR92636A FR1540937A (en) 1966-02-02 1967-01-26 Process for preparing powdered metallic tantalum

Publications (1)

Publication Number Publication Date
FR1540937A true FR1540937A (en) 1968-10-04

Family

ID=25687652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR92636A Expired FR1540937A (en) 1966-02-02 1967-01-26 Process for preparing powdered metallic tantalum

Country Status (1)

Country Link
FR (1) FR1540937A (en)

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