IT1091695B - Procedimento per l ossidazione anodica di anodi sinterizzati per condensatori al tantalio - Google Patents

Procedimento per l ossidazione anodica di anodi sinterizzati per condensatori al tantalio

Info

Publication number
IT1091695B
IT1091695B IT69972/77A IT6997277A IT1091695B IT 1091695 B IT1091695 B IT 1091695B IT 69972/77 A IT69972/77 A IT 69972/77A IT 6997277 A IT6997277 A IT 6997277A IT 1091695 B IT1091695 B IT 1091695B
Authority
IT
Italy
Prior art keywords
procedure
anodic oxidation
tantalum capacitors
sintered anodes
anodes
Prior art date
Application number
IT69972/77A
Other languages
English (en)
Original Assignee
Lignes Telegraph Telephon
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 FR7700329A external-priority patent/FR2376908A1/fr
Priority claimed from FR7723982A external-priority patent/FR2399724A2/fr
Application filed by Lignes Telegraph Telephon filed Critical Lignes Telegraph Telephon
Application granted granted Critical
Publication of IT1091695B publication Critical patent/IT1091695B/it

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
    • H01G9/0029—Processes of manufacture
    • H01G9/0032—Processes of manufacture formation of the dielectric layer
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/26—Anodisation of refractory metals or alloys based thereon
    • 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
    • Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
    • Y10S205/917—Treatment of workpiece between coating steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
IT69972/77A 1977-01-07 1977-12-30 Procedimento per l ossidazione anodica di anodi sinterizzati per condensatori al tantalio IT1091695B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7700329A FR2376908A1 (fr) 1977-01-07 1977-01-07 Perfectionnement au traitement de surface des anodes de condensateurs au tantale
FR7723982A FR2399724A2 (fr) 1977-08-04 1977-08-04 Perfectionnement au traitement de surface des anodes de condensateurs au tantale

Publications (1)

Publication Number Publication Date
IT1091695B true IT1091695B (it) 1985-07-06

Family

ID=26219796

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69972/77A IT1091695B (it) 1977-01-07 1977-12-30 Procedimento per l ossidazione anodica di anodi sinterizzati per condensatori al tantalio

Country Status (5)

Country Link
US (1) US4135990A (it)
DE (1) DE2758807A1 (it)
GB (1) GB1542226A (it)
IT (1) IT1091695B (it)
NL (1) NL7714173A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001196274A (ja) * 2000-01-12 2001-07-19 Nec Corp 固体電解コンデンサ用陽極体の製造方法
JP2011500962A (ja) * 2007-10-15 2011-01-06 ハイ−テンプ・スペシャルティー・メタルス・インコーポレーテッド 再生スクラップを原材料として使用したタンタル粉末の生産方法
CN112768260A (zh) * 2020-12-28 2021-05-07 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) 电容器预老练装置及电容器预老练方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989447A (en) * 1961-06-20 Manufacture of dry electrolytic devices
US3079536A (en) * 1959-09-21 1963-02-26 Bell Telephone Labor Inc Film-forming metal capacitors

Also Published As

Publication number Publication date
GB1542226A (en) 1979-03-14
DE2758807A1 (de) 1978-07-13
NL7714173A (nl) 1978-07-11
US4135990A (en) 1979-01-23

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