CH354310A - Process for the production of insulating oxide layers on objects made of aluminum - Google Patents

Process for the production of insulating oxide layers on objects made of aluminum

Info

Publication number
CH354310A
CH354310A CH354310DA CH354310A CH 354310 A CH354310 A CH 354310A CH 354310D A CH354310D A CH 354310DA CH 354310 A CH354310 A CH 354310A
Authority
CH
Switzerland
Prior art keywords
aluminum
production
oxide layers
insulating oxide
objects made
Prior art date
Application number
Other languages
German (de)
Inventor
Basler Robert
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
Publication of CH354310A publication Critical patent/CH354310A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon
CH354310D 1956-05-18 1957-05-16 Process for the production of insulating oxide layers on objects made of aluminum CH354310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP16295A DE1091402B (en) 1956-05-18 1956-05-18 Process for the chemical production of dielectric oxide layers on electrodes made of aluminum

Publications (1)

Publication Number Publication Date
CH354310A true CH354310A (en) 1961-05-15

Family

ID=7365957

Family Applications (1)

Application Number Title Priority Date Filing Date
CH354310D CH354310A (en) 1956-05-18 1957-05-16 Process for the production of insulating oxide layers on objects made of aluminum

Country Status (4)

Country Link
CH (1) CH354310A (en)
DE (1) DE1091402B (en)
FR (1) FR1175275A (en)
GB (1) GB823457A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO146439C (en) * 1979-11-09 1982-09-29 Inst Energiteknik PROCEDURE FOR THE PREPARATION OF A DARK COLOR, WAVE LENGTH SELECTIVE ALUMINUM OIL

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB571307A (en) * 1943-11-08 1945-08-20 Buttons Ltd Improvements relating to protective treatment for metal surfaces
DE866435C (en) * 1951-08-23 1953-02-09 Edelstahlwerke J C Soeding & H Process for surface treatment, especially of wires made of resistance alloys

Also Published As

Publication number Publication date
GB823457A (en) 1959-11-11
FR1175275A (en) 1959-03-23
DE1091402B (en) 1960-10-20

Similar Documents

Publication Publication Date Title
AT283076B (en) PROCESS FOR CREATING A BOEHMIT LAYER ON ALUMINUM SURFACES
CH362748A (en) Process for the production of thin dielectric films on substrates
CH361193A (en) Process for the direct production of positives
CH352567A (en) Process for the production of antihalation layers
CH359284A (en) Process for the production of laminated safety glass films
CH410392A (en) Process for the production of interlayer films
CH411516A (en) Process for the production of oxalate coatings of increased layer thickness on metals
AT188906B (en) Process for the production of laminated foams
CH346415A (en) Process for the production of mica layers by electrophoresis
CH354310A (en) Process for the production of insulating oxide layers on objects made of aluminum
CH372470A (en) Process for the production of aluminum
CH360809A (en) Process for the production of pure polyvinyl alcohol
CH371079A (en) Process for the production of multilayer nonwovens
CH370202A (en) Process for increasing the conductivity of non-metallic thin layers applied to substrates
CH372524A (en) Process for applying highly heat-resistant protective layers to metallic surfaces
CH427300A (en) Process for the production of aluminum
CH429135A (en) Process for the production of coated foils
CH401970A (en) Process for the production of aluminum trialkyls
CH383007A (en) Process for the production of pure polyvinyl alcohol
CH376273A (en) Process for the production of polyvinyl alcohol
CH360980A (en) Process for the production of fine-grained aluminum oxide
CH321139A (en) Process for the production of direct positives
CH353250A (en) Process for the production of antihalation layers
CH505770A (en) Process for the production of ethynyl carbinols
AT200107B (en) Process for the production of aluminum oxide