CH429137A - Process for the production of magnetizable recording media - Google Patents

Process for the production of magnetizable recording media

Info

Publication number
CH429137A
CH429137A CH1721865A CH1721865A CH429137A CH 429137 A CH429137 A CH 429137A CH 1721865 A CH1721865 A CH 1721865A CH 1721865 A CH1721865 A CH 1721865A CH 429137 A CH429137 A CH 429137A
Authority
CH
Switzerland
Prior art keywords
production
recording media
magnetizable recording
magnetizable
media
Prior art date
Application number
CH1721865A
Other languages
German (de)
Inventor
Eugene Graham Arthur
Loren Dueltgen Roy
Lunsford Mitchell William
Eugene Sweazy Harry
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH429137A publication Critical patent/CH429137A/en

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
    • G11B5/68—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
    • G11B5/702—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 bonding agent
    • G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • 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
    • G11B5/842—Coating a support with a liquid magnetic dispersion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Laminated Bodies (AREA)
CH1721865A 1964-12-17 1965-12-13 Process for the production of magnetizable recording media CH429137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41924064A 1964-12-17 1964-12-17

Publications (1)

Publication Number Publication Date
CH429137A true CH429137A (en) 1967-01-31

Family

ID=23661406

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1721865A CH429137A (en) 1964-12-17 1965-12-13 Process for the production of magnetizable recording media

Country Status (7)

Country Link
BE (1) BE672461A (en)
CH (1) CH429137A (en)
DE (1) DE1504428C3 (en)
FR (1) FR1455733A (en)
GB (1) GB1121997A (en)
NL (1) NL144078B (en)
SE (1) SE331763B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU511749B2 (en) * 1977-01-07 1980-09-04 Commonwealth Scientific And Industrial Research Organisation Graft copolymers
FR2463477B1 (en) * 1979-08-06 1988-04-08 Sony Corp MAGNETIC RECORDING ELEMENT

Also Published As

Publication number Publication date
NL6516159A (en) 1966-06-20
NL144078B (en) 1974-11-15
GB1121997A (en) 1968-07-31
FR1455733A (en) 1966-10-14
BE672461A (en) 1966-03-16
DE1504428A1 (en) 1970-06-04
DE1504428C3 (en) 1974-06-12
SE331763B (en) 1971-01-11
DE1504428B2 (en) 1973-11-15

Similar Documents

Publication Publication Date Title
CH437424A (en) Process for the production of wear-resistant magnetic recording media
CH490500A (en) Process for the production of metallic particles
CH455289A (en) Process for the production of polyester
CH454163A (en) Process for the production of polyhalophenols
CH470345A (en) Process for the production of new styrylethanolamines
CH470340A (en) Process for the production of indanes
AT242391B (en) Process for the manufacture of parts for annular magnetic heads
CH458381A (en) Process for the production of new X-ray contrast media
CH468355A (en) Process for the production of isonitriles
AT261239B (en) Process for the production of ferromagnetic alloys
CH429137A (en) Process for the production of magnetizable recording media
CH456597A (en) Process for the production of penicillins
AT256808B (en) Process for the production of ɛ-caprolactam
CH476759A (en) Process for the production of penicillins
CH483450A (en) Process for the production of penicillins
AT260539B (en) Process for the production of sulfur-resin compounds
CH444911A (en) Process for the production of multiple magnetic heads
CH442261A (en) Process for the production of nitrite esters
AT277796B (en) Process for the production of polishing media
AT255393B (en) Process for the production of acetaldehyde
DD84694A1 (en) Process for the production of magnetic cores
AT251886B (en) Process for the production of polyimides containing azo groups
AT268636B (en) Process for the production of fiberboard
CH461472A (en) Process for the production of ninhydrin
CH445478A (en) Process for the production of cyclohexanone