CH460865A - Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers und nach diesem Verfahren hergestellter magnetischer Aufzeichnungsträger - Google Patents

Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers und nach diesem Verfahren hergestellter magnetischer Aufzeichnungsträger

Info

Publication number
CH460865A
CH460865A CH1010863A CH1010863A CH460865A CH 460865 A CH460865 A CH 460865A CH 1010863 A CH1010863 A CH 1010863A CH 1010863 A CH1010863 A CH 1010863A CH 460865 A CH460865 A CH 460865A
Authority
CH
Switzerland
Prior art keywords
recording medium
magnetic recording
producing
produced
medium produced
Prior art date
Application number
CH1010863A
Other languages
German (de)
English (en)
Inventor
M Luce Betty
Lee Berdan Betty
L Selker Milton
Original Assignee
Minnesota Mining & Mfg
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
Priority claimed from US288588A external-priority patent/US3245826A/en
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of CH460865A publication Critical patent/CH460865A/de

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
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
    • 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
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/22—Roughening, e.g. by etching
    • 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
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/22—Roughening, e.g. by etching
    • C23C18/26—Roughening, e.g. by etching using organic liquids
    • 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
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28—Sensitising or activating
    • 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
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
    • G11B5/70621—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Co metal or alloys
    • 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
    • G11B5/73—Base 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/858—Producing a magnetic layer by electro-plating or electroless plating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)
  • Magnetic Record Carriers (AREA)
CH1010863A 1962-08-20 1963-08-15 Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers und nach diesem Verfahren hergestellter magnetischer Aufzeichnungsträger CH460865A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21804062A 1962-08-20 1962-08-20
US288588A US3245826A (en) 1963-06-12 1963-06-12 Magnetic recording medium and method of manufacture

Publications (1)

Publication Number Publication Date
CH460865A true CH460865A (de) 1968-08-15

Family

ID=26912510

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1010863A CH460865A (de) 1962-08-20 1963-08-15 Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers und nach diesem Verfahren hergestellter magnetischer Aufzeichnungsträger

Country Status (6)

Country Link
JP (1) JPS5317533B1 (OSRAM)
CH (1) CH460865A (OSRAM)
DE (1) DE1521179B2 (OSRAM)
FR (1) FR1376605A (OSRAM)
GB (1) GB1045086A (OSRAM)
NL (1) NL296796A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1188796A (en) * 1981-04-14 1985-06-11 Kenji Yazawa Magnetic recording medium
US6645557B2 (en) * 2001-10-17 2003-11-11 Atotech Deutschland Gmbh Metallization of non-conductive surfaces with silver catalyst and electroless metal compositions

Also Published As

Publication number Publication date
NL296796A (OSRAM)
GB1045086A (en) 1966-10-05
JPS5317533B1 (OSRAM) 1978-06-09
DE1521179A1 (de) 1969-07-31
DE1521179B2 (de) 1972-08-31
FR1376605A (fr) 1964-10-31

Similar Documents

Publication Publication Date Title
AT371279B (de) Informationstraeger und verfahren zur herstellung eines informationstraegers
CH437424A (de) Verfahren zur Herstellung verschleissfester magnetischer Aufzeichnungsträger
CH521612A (de) Verfahren zur Herstellung eines bandförmigen elektrofotografischen Aufzeichnungsträgers
CH439511A (de) Verfahren und Vorrichtung zur Herstellung von Magnetaufzeichnungsmaterialien
CH369359A (de) Verfahren zur Herstellung eines flächenförmigen Vervielfältigungsmittels und nach diesem Verfahren hergestelltes Vervielfältigungsmittel
CH424867A (de) Verfahren zur Herstellung ringförmiger Mehrspur-Magnetköpfe
AT251308B (de) Verfahren zur Herstellung eines Magnetaufzeichnungsbandes
CH427065A (de) Verfahren zur Herstellung eines weichmagnetischen Mangan-Zink-Ferroferrit-Sinterkörpers und nach diesem Verfahren hergestellter Sinterkörper
CH372851A (de) Verfahren zur Herstellung eines Mehrfach-Magnettonkopfes und nach diesem Verfahren hergestellter Mehrfach-Magnettonkopf
CH408226A (de) Verfahren zur Herstellung eines Magnetkerns und nach dem Verfahren hergestellter Magnetkern
AT264462B (de) Verfahren zur Herstellung eines homöoporösen Kohlenstoffkörpers
CH412378A (de) Verfahren zur Herstellung von Teilen ringförmiger Magnetköpfe
AT254548B (de) Verfahren zur Herstellung eines aus mehreren plattenförmigen Köpfen aufgebauten Mehrspur-Magnetkopfes
CH489866A (de) Verfahren und Einrichtung zur Herstellung von Kopien eines magnetischen Original-Aufzeichnungsträgers
CH428013A (de) Verfahren zur Herstellung eines Magnetkernes und nach diesem Verfahren hergestellter Magnetkern
AT334725B (de) Verfahren zur herstellung eines eiersatzes
CH426940A (de) Verfahren zur Herstellung einer Magnetschicht und nach dem Verfahren hergestellte Magnetschicht
CH437558A (de) Verfahren zur Herstellung eines Magnetkerns und nach diesem Verfahren hergestellter Magnetkern
AT273523B (de) Verfahren zur Herstellung eines Magnetkopfes
CH417993A (de) Verfahren zur Herstellung von Teilen ringförmiger Magnettonköpfe
ATA220571A (de) Verfahren zur herstellung eines magnettonbandlackes
CH544955A (de) Verfahren zur Herstellung eines elektrophotographischen Aufzeichnungsträgers, und nach diesem Verfahren hergestellter elektrophotographischer Aufzeichnungsträger
CH522243A (de) Elektrophotographischer Aufzeichnungsträger und Verfahren zur Herstellung eines solchen Aufzeichnungsträgers
CH432035A (de) Verfahren zur Herstellung eines Mehrspurmagnetkopfes und nach dem Verfahren hergestellter Mehrspurmagnetkopf
AT273524B (de) Verfahren zur Herstellung eines flußempfindlichen Ein- oder Mehrspurmagnetkopfes