BE620155A - - Google Patents

Info

Publication number
BE620155A
BE620155A BE620155DA BE620155A BE 620155 A BE620155 A BE 620155A BE 620155D A BE620155D A BE 620155DA BE 620155 A BE620155 A BE 620155A
Authority
BE
Belgium
Application number
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.)
Publication of BE620155A publication Critical patent/BE620155A/xx
Priority to FR904201A priority Critical patent/FR1329192A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/32Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
BE620155D 1962-07-17 BE620155A (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR904201A FR1329192A (fr) 1962-07-17 1962-07-17 Support d'enregistrement de grande densité

Publications (1)

Publication Number Publication Date
BE620155A true BE620155A (xx)

Family

ID=8783343

Family Applications (1)

Application Number Title Priority Date Filing Date
BE620155D BE620155A (xx) 1962-07-17

Country Status (3)

Country Link
BE (1) BE620155A (xx)
FR (1) FR1329192A (xx)
NL (1) NL280980A (xx)

Also Published As

Publication number Publication date
NL280980A (xx)
FR1329192A (fr) 1963-06-07

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