CA1169021A - Ac etching of aluminum capacitor foil - Google Patents

Ac etching of aluminum capacitor foil

Info

Publication number
CA1169021A
CA1169021A CA000385454A CA385454A CA1169021A CA 1169021 A CA1169021 A CA 1169021A CA 000385454 A CA000385454 A CA 000385454A CA 385454 A CA385454 A CA 385454A CA 1169021 A CA1169021 A CA 1169021A
Authority
CA
Canada
Prior art keywords
foil
etching
aluminum
hydrochloric acid
etch
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
CA000385454A
Other languages
English (en)
French (fr)
Inventor
Mulk R. Arora
Jr. Randall John J.
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 CA1169021A publication Critical patent/CA1169021A/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
    • H01G9/055—Etched foil electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/04—Etching of light metals

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)
  • ing And Chemical Polishing (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
CA000385454A 1980-09-15 1981-09-09 Ac etching of aluminum capacitor foil Expired CA1169021A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US187,241 1980-09-15
US06/187,241 US4279714A (en) 1980-09-15 1980-09-15 AC Etching of aluminum capacitor

Publications (1)

Publication Number Publication Date
CA1169021A true CA1169021A (en) 1984-06-12

Family

ID=22688170

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000385454A Expired CA1169021A (en) 1980-09-15 1981-09-09 Ac etching of aluminum capacitor foil

Country Status (4)

Country Link
US (1) US4279714A (enExample)
JP (1) JPS5782500A (enExample)
CA (1) CA1169021A (enExample)
FR (1) FR2490249A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332652A (en) * 1980-11-28 1982-06-01 Sprague Electric Company AC Etching of aluminum capacitor foil
DE3217552A1 (de) * 1982-05-10 1983-11-10 Hoechst Ag, 6230 Frankfurt Verfahren zur elektrochemischen aufrauhung von aluminium fuer druckplattentraeger
US4820390A (en) * 1987-07-06 1989-04-11 The Interlake Companies, Inc. Apparatus and method for continuous electrochemical machining of strip material
US5715133A (en) * 1995-06-21 1998-02-03 Philips Electronics North America Corporation Method of producing aluminum foil for electrolytic capacitors and product thereof
JP2594807Y2 (ja) * 1995-07-14 1999-05-10 タイコ−株式会社 シート体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193485A (en) * 1960-09-20 1965-07-06 Plessey Co Ltd Electrolytic treatment of aluminium for increasing the effective surface
GB1392191A (en) * 1971-07-09 1975-04-30 Alcan Res & Dev Process for electrograining aluminium
JPS494698A (enExample) * 1972-05-10 1974-01-16
JPS4940537A (enExample) * 1972-08-18 1974-04-16
JPS5339169A (en) * 1976-09-21 1978-04-10 Fujitsu Ltd Detecting system of velocity
NL162000C (nl) * 1977-09-02 1980-04-15 Nedschroef Octrooi Maats Machine voor het afbramen van gestuikte schroefbouten en soortgelijke produkten met een kop.
JPS5443177A (en) * 1977-09-12 1979-04-05 Nippon Kasei Chem Toxic gas absorbing and removing method
JPS5512877A (en) * 1978-07-13 1980-01-29 Unitika Ltd Production of crimped yarn with flocks

Also Published As

Publication number Publication date
JPS6131200B2 (enExample) 1986-07-18
US4279714A (en) 1981-07-21
FR2490249A1 (fr) 1982-03-19
FR2490249B1 (enExample) 1985-04-19
JPS5782500A (en) 1982-05-22

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Legal Events

Date Code Title Description
MKEX Expiry