JPS56850B1 - - Google Patents

Info

Publication number
JPS56850B1
JPS56850B1 JP2739571A JP2739571A JPS56850B1 JP S56850 B1 JPS56850 B1 JP S56850B1 JP 2739571 A JP2739571 A JP 2739571A JP 2739571 A JP2739571 A JP 2739571A JP S56850 B1 JPS56850 B1 JP S56850B1
Authority
JP
Japan
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.)
Pending
Application number
JP2739571A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP2739571A priority Critical patent/JPS56850B1/ja
Priority to GB1901072A priority patent/GB1366034A/en
Priority to CA140,518A priority patent/CA981533A/en
Priority to FR7214925A priority patent/FR2134565B1/fr
Priority to DE19722220544 priority patent/DE2220544A1/de
Priority to NL7205642A priority patent/NL7205642A/xx
Priority to IT23538/72A priority patent/IT953770B/it
Publication of JPS56850B1 publication Critical patent/JPS56850B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
    • 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • 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
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7371—Non-magnetic single underlayer comprising nickel
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated 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
    • G11B5/62—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)
  • Paints Or Removers (AREA)
JP2739571A 1971-04-26 1971-04-26 Pending JPS56850B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2739571A JPS56850B1 (it) 1971-04-26 1971-04-26
GB1901072A GB1366034A (en) 1971-04-26 1972-04-24 Magnetic recording medium
CA140,518A CA981533A (en) 1971-04-26 1972-04-25 Magnetic recording medium
FR7214925A FR2134565B1 (it) 1971-04-26 1972-04-26
DE19722220544 DE2220544A1 (de) 1971-04-26 1972-04-26 Magnetisches Aufzeichnungsmedium
NL7205642A NL7205642A (it) 1971-04-26 1972-04-26
IT23538/72A IT953770B (it) 1971-04-26 1972-04-26 Mezzo magnetico di registrazione

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2739571A JPS56850B1 (it) 1971-04-26 1971-04-26

Publications (1)

Publication Number Publication Date
JPS56850B1 true JPS56850B1 (it) 1981-01-09

Family

ID=12219857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2739571A Pending JPS56850B1 (it) 1971-04-26 1971-04-26

Country Status (7)

Country Link
JP (1) JPS56850B1 (it)
CA (1) CA981533A (it)
DE (1) DE2220544A1 (it)
FR (1) FR2134565B1 (it)
GB (1) GB1366034A (it)
IT (1) IT953770B (it)
NL (1) NL7205642A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1536818A (en) * 1976-09-14 1978-12-20 Dainippon Printing Co Ltd Magnetic sable recording structure
JPH0610873B2 (ja) * 1984-02-08 1994-02-09 日立マクセル株式会社 磁気デイスク
US4698251A (en) * 1985-01-22 1987-10-06 Victor Company Of Japan, Limited Magnetic recording medium and method of producing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273334A (fr) * 1960-11-14 1961-10-06 Agfa Ag Support d'enregistrement magnétique à deux couches possédant une conductivité électrique améliorée
US3150939A (en) * 1961-07-17 1964-09-29 Ibm High density record carrier
DE1521152A1 (de) * 1965-07-16 1969-04-24 Basf Ag Metallisierung von Kunststoffoberflaechen
FR1473728A (fr) * 1966-04-01 1967-03-17 Wolfen Filmfab Veb Procédé et dispositif de production d'un matériau d'enregistrement magnétisable,de préférence sous forme de bande

Also Published As

Publication number Publication date
NL7205642A (it) 1972-10-30
FR2134565B1 (it) 1974-12-20
FR2134565A1 (it) 1972-12-08
CA981533A (en) 1976-01-13
DE2220544A1 (de) 1972-11-09
IT953770B (it) 1973-08-10
GB1366034A (en) 1974-09-04

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