CA1156598A - Treating etched aluminum electrolytic capacitor foil - Google Patents

Treating etched aluminum electrolytic capacitor foil

Info

Publication number
CA1156598A
CA1156598A CA000349588A CA349588A CA1156598A CA 1156598 A CA1156598 A CA 1156598A CA 000349588 A CA000349588 A CA 000349588A CA 349588 A CA349588 A CA 349588A CA 1156598 A CA1156598 A CA 1156598A
Authority
CA
Canada
Prior art keywords
foil
process according
sec
minutes
solution
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
CA000349588A
Other languages
English (en)
French (fr)
Inventor
John J. Randall, Jr.
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 CA1156598A publication Critical patent/CA1156598A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/16—Pretreatment, e.g. desmutting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)
CA000349588A 1979-05-02 1980-04-10 Treating etched aluminum electrolytic capacitor foil Expired CA1156598A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US035,145 1979-05-02
US06/035,145 US4204919A (en) 1979-05-02 1979-05-02 Treating etched aluminum electrolytic capacitor foil

Publications (1)

Publication Number Publication Date
CA1156598A true CA1156598A (en) 1983-11-08

Family

ID=21880933

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349588A Expired CA1156598A (en) 1979-05-02 1980-04-10 Treating etched aluminum electrolytic capacitor foil

Country Status (5)

Country Link
US (1) US4204919A (enExample)
JP (1) JPS55153319A (enExample)
CA (1) CA1156598A (enExample)
DE (1) DE3016451C2 (enExample)
GB (1) GB2048313B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462842A (en) * 1979-08-13 1984-07-31 Showa Aluminum Corporation Surface treatment process for imparting hydrophilic properties to aluminum articles
JPS5989796A (ja) * 1982-11-12 1984-05-24 Hitachi Condenser Co Ltd 電解コンデンサ用アルミ箔の製造方法
US4470885A (en) * 1983-02-07 1984-09-11 Sprague Electric Company Process for treating aluminum electrolytic capacitor foil
JPS6137977A (ja) * 1984-07-28 1986-02-22 Marcon Electronics Co Ltd 電解コンデンサ用アルミ箔の化成方法
US4537665A (en) * 1984-09-04 1985-08-27 Sprague Electric Company Production of aluminum foil capacitor electrodes
NL8500473A (nl) * 1985-02-20 1986-09-16 Philips Nv Werkwijze voor de vervaardiging van een elektrolytische wikkelcondensator.
CS253788B1 (en) * 1985-08-13 1987-12-17 Ivan Emmer Method for electric moisture-content sensor production
EP0224444B1 (de) * 1985-11-25 1990-05-09 Alusuisse-Lonza Services Ag Verfahren zur Herstellung einer teildurchlässigen Membran
JPH0782968B2 (ja) * 1988-08-03 1995-09-06 信英通信工業株式会社 アルミニウム電解コンデンサ用電極箔の製造方法
US5124022A (en) * 1989-08-23 1992-06-23 Aluminum Company Of America Electrolytic capacitor and method of making same
EP0471351B1 (en) * 1990-08-16 1995-01-04 Fuji Photo Film Co., Ltd. Method for preparing substrate for lithographic printing plates, substrate for lithographic printing plates prepared by the method and presensitized plate comprising the substrate
US5359261A (en) * 1990-12-28 1994-10-25 Stanley Electric Co., Ltd. Electroluminescence display
CA2249896A1 (en) * 1997-10-14 1999-04-14 Shell Canada Limited Method of thermally insulating a wellbore
US20040140221A1 (en) * 2003-01-21 2004-07-22 Kinard John Tony Method of anodizing aluminum utilizing stabilized silicate solutions
US8345409B2 (en) * 2010-03-31 2013-01-01 Nippon Chemi-Con Corporation Solid electrolytic capacitor
CN106245087A (zh) * 2016-09-14 2016-12-21 南通海星电子股份有限公司 铝电解电容器用低压化成箔的前处理方法
CN115110130B (zh) * 2022-06-30 2024-04-02 乳源瑶族自治县东阳光化成箔有限公司 一种无磷低压化成箔的化成方法及制得的化成箔

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18833E (en) 1933-05-16 Process of treating aluminum
US1946153A (en) * 1931-06-20 1934-02-06 Aluminum Co Of America Protecting aluminum from corrosion
US2126954A (en) * 1935-06-03 1938-08-16 Aluminum Co Of America Method of stabilizing coating on aluminum
GB518733A (en) 1938-08-30 1940-03-06 British Insulated Cables Ltd Improvements in electrolytic devices
US2396685A (en) * 1940-11-07 1946-03-19 Aerovox Corp Art of aluminum etching
NL202898A (enExample) * 1954-12-16
US2853445A (en) * 1956-04-06 1958-09-23 Aerovox Corp Process of etching aluminum foil for electrolytic capacitor
US2981647A (en) * 1958-09-04 1961-04-25 Bell Telephone Labor Inc Fabrication of electrolytic capacitor
NL6606084A (enExample) 1966-05-05 1967-11-06
NL7110786A (enExample) * 1971-08-05 1973-02-07
USRE28015E (en) 1972-09-13 1974-05-21 Aluminum electrode electrolytic capacitor construction
US4113579A (en) * 1977-04-28 1978-09-12 Sprague Electric Company Process for producing an aluminum electrolytic capacitor having a stable oxide film

Also Published As

Publication number Publication date
JPS55153319A (en) 1980-11-29
GB2048313A (en) 1980-12-10
GB2048313B (en) 1983-05-18
DE3016451A1 (de) 1980-11-13
US4204919A (en) 1980-05-27
DE3016451C2 (de) 1987-04-09
JPS6349364B2 (enExample) 1988-10-04

Similar Documents

Publication Publication Date Title
CA1156598A (en) Treating etched aluminum electrolytic capacitor foil
CA1151102A (en) Electrochemical removal of surface copper from aluminum foil
CA1252062A (en) Anodization of aluminum electrolytic capacitor foil
DE2058954C2 (de) Verfahren zur Herstellung eines Naßelektrolytkondensators
US4113579A (en) Process for producing an aluminum electrolytic capacitor having a stable oxide film
US2859148A (en) Method of producing a bohmite layer on etched aluminum foils
US2563431A (en) Method of improving the resistance
JPS5970800A (ja) アルミニウムコンデンサ箔のエツチング法
CA1121700A (en) Producing hydrous oxide of controlled thickness on aluminum capacitor foil
US3790453A (en) Corrosion protected anodized aluminum surfaces
RU93033138A (ru) Способ электролитического покрытия металлов анодным искровым осаждением и электролит для осуществления способа
CA1225063A (en) Process for anodizing aluminum foil
US4319972A (en) AC Etching of aluminum capacitor foil
US4455200A (en) Method for etching aluminum foil for electrolytic capacitors
US4470885A (en) Process for treating aluminum electrolytic capacitor foil
USRE31743E (en) AC Etching of aluminum capacitor foil
CN119121365A (zh) 一种低压腐蚀箔的后处理方法
US2993847A (en) Aluminum treating process
US4381231A (en) DC Etching of aluminum electrolytic capacitor foil
US4279714A (en) AC Etching of aluminum capacitor
EP0127774B1 (de) Verfahren zum Schutz von anodisch oxidiertem Aluminium
DE2836878C2 (de) Verfahren zur anodischen Herstellung hydrophober Oxidschichten auf Aluminium- Folien für Elektrolytkondensatoren
DE4232636C2 (de) Verfahren zum Herstellen von Elektrodenfolien für, insbesondere Hochvolt-, Elektrolytkondensatoren
WO1999045177A2 (en) Anodic spark coating
JPS58135624A (ja) アルミニウム固体電解コンデンサの製造方法

Legal Events

Date Code Title Description
MKEX Expiry