DK58174C - Fremgangsmaade og Anlæg til Forøgelse af den virksomme Overflade af Aluminiumelektroder til elektrolytiske Kondensatorer. - Google Patents

Fremgangsmaade og Anlæg til Forøgelse af den virksomme Overflade af Aluminiumelektroder til elektrolytiske Kondensatorer.

Info

Publication number
DK58174C
DK58174C DK58174DA DK58174C DK 58174 C DK58174 C DK 58174C DK 58174D A DK58174D A DK 58174DA DK 58174 C DK58174 C DK 58174C
Authority
DK
Denmark
Prior art keywords
plant
increasing
effective surface
electrolytic capacitors
aluminum electrodes
Prior art date
Application number
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK58174C publication Critical patent/DK58174C/da

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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/20—Acidic compositions for etching aluminium or alloys thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • ing And Chemical Polishing (AREA)
  • Weting (AREA)
  • Battery Electrode And Active Subsutance (AREA)
DK58174D 1938-05-20 1939-05-16 Fremgangsmaade og Anlæg til Forøgelse af den virksomme Overflade af Aluminiumelektroder til elektrolytiske Kondensatorer. DK58174C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1938N0041992 DE695770C (de) 1938-05-20 1938-05-20 Verfahren zur Vergroesserung der wirksamen Oberflaeche von Aluminiumelektroden fuer elektrolytische Kondensatoren durch Beizen

Publications (1)

Publication Number Publication Date
DK58174C true DK58174C (da) 1940-11-18

Family

ID=7348479

Family Applications (1)

Application Number Title Priority Date Filing Date
DK58174D DK58174C (da) 1938-05-20 1939-05-16 Fremgangsmaade og Anlæg til Forøgelse af den virksomme Overflade af Aluminiumelektroder til elektrolytiske Kondensatorer.

Country Status (5)

Country Link
CH (1) CH215004A (da)
DE (1) DE695770C (da)
DK (1) DK58174C (da)
FR (1) FR854921A (da)
GB (1) GB520372A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976026C (de) * 1951-02-15 1963-01-17 Aluminium Walzwerke Singen Verfahren zum Aufrauhen von Aluminiumfolien
DE1122177B (de) * 1954-07-09 1962-01-18 Siemens Ag Verfahren zur Herstellung aufgerauhter Elektroden, insbesondere Aluminiumelektroden fuer Elektrolytkondensatoren
US2853445A (en) * 1956-04-06 1958-09-23 Aerovox Corp Process of etching aluminum foil for electrolytic capacitor

Also Published As

Publication number Publication date
CH215004A (de) 1941-05-31
FR854921A (fr) 1940-04-27
GB520372A (en) 1940-04-22
DE695770C (de) 1940-09-02

Similar Documents

Publication Publication Date Title
FR809390A (fr) Condensateurs électrolytiques
DK58174C (da) Fremgangsmaade og Anlæg til Forøgelse af den virksomme Overflade af Aluminiumelektroder til elektrolytiske Kondensatorer.
SU52400A1 (ru) Способ окрашивани металлических поверхностей
CH231075A (de) Verfahren zum elektrolytischen Ätzen von kupfernen Tiefdruckzylindern und -platten.
CH208853A (de) Verfahren zur Erhöhung der oligodynamischen Wirkung von Metallen.
FR756845A (fr) Condensateur électrolytique
DK52759C (da) Fremgangsmaade til Bearbejdning af Overfladen af Elektroder til elektrolytiske Kondensatorer.
FR860145A (fr) Condensateur électrolytique
DK55138C (da) Fremgangsmaade til elektrolytisk Fremstilling af Hyposulfit.
FR799921A (fr) Condensateur électrolytique
FR812388A (fr) Condensateur électrolytique
DK52360C (da) Fremgangsmaade til Fremstilling af Desoksymorfin C og Dihydrodesoksmorfin D.
FR861076A (fr) Condensateur électrolytique
ES143960A1 (es) Procedimiento de construcción de portadas metálicas desmontables.
FR832696A (fr) Condensateur électrolytique
FR862803A (fr) Condensateurs électrolytiques
DK59893C (da) Trykform og Fremgangsmaade til dens Fremstilling.
DK61223C (da) Fremgangsmaade til Fremstilling af 21-Aldehyder af den mættede eller umættede Pregnanrække.
DK60203C (da) Fremgangsmaade til Fremstilling af 21-Aldehyder af den mættede eller umættede Pregnanrække.
FR799920A (fr) Condensateur électrolytique
FR799348A (fr) Condensateur électrolytique
DK58332C (da) Indkapslet elektrolytisk Kondensator of Fremgangsmaade til dens Fremstilling.
DK58722C (da) Fremgangsmaade til Indføring af Bly i Staal.
DK57825C (da) Fremgangsmaade til Fremstilling af N-substituerede Tioformamider.
DK64036C (da) Fremgangsmaade til Fremstilling af Dispergatorer.