NL7205642A - - Google Patents

Info

Publication number
NL7205642A
NL7205642A NL7205642A NL7205642A NL7205642A NL 7205642 A NL7205642 A NL 7205642A NL 7205642 A NL7205642 A NL 7205642A NL 7205642 A NL7205642 A NL 7205642A NL 7205642 A NL7205642 A NL 7205642A
Authority
NL
Netherlands
Application number
NL7205642A
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
Publication of NL7205642A publication Critical patent/NL7205642A/xx

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)
  • Paints Or Removers (AREA)
  • Chemically Coating (AREA)
NL7205642A 1971-04-26 1972-04-26 NL7205642A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7205642A true NL7205642A (enrdf_load_stackoverflow) 1972-10-30

Family

ID=12219857

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205642A NL7205642A (enrdf_load_stackoverflow) 1971-04-26 1972-04-26

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1091347A (en) * 1976-09-14 1980-12-09 Makoto Honda Magnetic 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
GB1366034A (en) 1974-09-04
FR2134565B1 (enrdf_load_stackoverflow) 1974-12-20
CA981533A (en) 1976-01-13
DE2220544A1 (de) 1972-11-09
FR2134565A1 (enrdf_load_stackoverflow) 1972-12-08
IT953770B (it) 1973-08-10
JPS56850B1 (enrdf_load_stackoverflow) 1981-01-09

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed