CA980505A - Plating bath and method of magnetic film deposition - Google Patents

Plating bath and method of magnetic film deposition

Info

Publication number
CA980505A
CA980505A CA143,652A CA143652A CA980505A CA 980505 A CA980505 A CA 980505A CA 143652 A CA143652 A CA 143652A CA 980505 A CA980505 A CA 980505A
Authority
CA
Canada
Prior art keywords
plating bath
film deposition
magnetic film
deposition
magnetic
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
CA143,652A
Other languages
English (en)
Other versions
CA143652S (en
Inventor
Betty W. Tung
Henry J. White
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.)
Control Data Corp
Original Assignee
Control Data Corp
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 Control Data Corp filed Critical Control Data Corp
Application granted granted Critical
Publication of CA980505A publication Critical patent/CA980505A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • C23C18/00—Chemical 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
    • C23C18/16—Chemical 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
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)
  • Magnetic Record Carriers (AREA)
CA143,652A 1971-07-29 1972-06-01 Plating bath and method of magnetic film deposition Expired CA980505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16710671A 1971-07-29 1971-07-29

Publications (1)

Publication Number Publication Date
CA980505A true CA980505A (en) 1975-12-30

Family

ID=22605960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,652A Expired CA980505A (en) 1971-07-29 1972-06-01 Plating bath and method of magnetic film deposition

Country Status (5)

Country Link
CA (1) CA980505A (OSRAM)
DE (1) DE2236580A1 (OSRAM)
FR (1) FR2147239B3 (OSRAM)
GB (1) GB1359945A (OSRAM)
IT (1) IT963522B (OSRAM)

Also Published As

Publication number Publication date
FR2147239B3 (OSRAM) 1975-09-05
DE2236580A1 (de) 1973-02-08
GB1359945A (en) 1974-07-17
FR2147239A1 (OSRAM) 1973-03-09
IT963522B (it) 1974-01-21

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