FR2169147A1 - Magnetic information layers prodn - on polyester tape by electrodepositing thin cobalt-phosphorus-(nickel)layer - Google Patents

Magnetic information layers prodn - on polyester tape by electrodepositing thin cobalt-phosphorus-(nickel)layer

Info

Publication number
FR2169147A1
FR2169147A1 FR7302259A FR7302259A FR2169147A1 FR 2169147 A1 FR2169147 A1 FR 2169147A1 FR 7302259 A FR7302259 A FR 7302259A FR 7302259 A FR7302259 A FR 7302259A FR 2169147 A1 FR2169147 A1 FR 2169147A1
Authority
FR
France
Prior art keywords
delta
pref
current density
prodn
cathode
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.)
Granted
Application number
FR7302259A
Other languages
English (en)
French (fr)
Other versions
FR2169147B3 (ref
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.)
Berlin Brandenburg Academy of Sciences and Humanities
Original Assignee
Berlin Brandenburg Academy of Sciences and Humanities
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 Berlin Brandenburg Academy of Sciences and Humanities filed Critical Berlin Brandenburg Academy of Sciences and Humanities
Publication of FR2169147A1 publication Critical patent/FR2169147A1/fr
Application granted granted Critical
Publication of FR2169147B3 publication Critical patent/FR2169147B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
    • H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
FR7302259A 1972-01-27 1973-01-23 Magnetic information layers prodn - on polyester tape by electrodepositing thin cobalt-phosphorus-(nickel)layer Granted FR2169147A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD160540A DD106414A1 (ref) 1972-01-27 1972-01-27

Publications (2)

Publication Number Publication Date
FR2169147A1 true FR2169147A1 (en) 1973-09-07
FR2169147B3 FR2169147B3 (ref) 1976-01-30

Family

ID=5485164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302259A Granted FR2169147A1 (en) 1972-01-27 1973-01-23 Magnetic information layers prodn - on polyester tape by electrodepositing thin cobalt-phosphorus-(nickel)layer

Country Status (7)

Country Link
DD (1) DD106414A1 (ref)
DE (1) DE2301210A1 (ref)
FR (1) FR2169147A1 (ref)
NL (1) NL7300122A (ref)
PL (1) PL85485B1 (ref)
SE (1) SE379801B (ref)
SU (1) SU496335A1 (ref)

Also Published As

Publication number Publication date
DD106414A1 (ref) 1974-06-12
FR2169147B3 (ref) 1976-01-30
DE2301210A1 (de) 1973-09-20
SU496335A1 (ru) 1975-12-25
SE379801B (ref) 1975-10-20
NL7300122A (ref) 1973-07-31
PL85485B1 (ref) 1976-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse