IT996425B - PROCEDURE FOR THE PRODUCTION OF MAGNETIC DISCS WITH MAGNETIC LAYERS - Google Patents

PROCEDURE FOR THE PRODUCTION OF MAGNETIC DISCS WITH MAGNETIC LAYERS

Info

Publication number
IT996425B
IT996425B IT5360873A IT5360873A IT996425B IT 996425 B IT996425 B IT 996425B IT 5360873 A IT5360873 A IT 5360873A IT 5360873 A IT5360873 A IT 5360873A IT 996425 B IT996425 B IT 996425B
Authority
IT
Italy
Prior art keywords
magnetic
procedure
production
discs
layers
Prior art date
Application number
IT5360873A
Other languages
Italian (it)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT996425B publication Critical patent/IT996425B/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
IT5360873A 1972-11-10 1973-11-09 PROCEDURE FOR THE PRODUCTION OF MAGNETIC DISCS WITH MAGNETIC LAYERS IT996425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722254981 DE2254981A1 (en) 1972-11-10 1972-11-10 METHOD OF MANUFACTURING MAGNETIC PLATES WITH THIN MAGNETIC LAYERS

Publications (1)

Publication Number Publication Date
IT996425B true IT996425B (en) 1975-12-10

Family

ID=5861309

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5360873A IT996425B (en) 1972-11-10 1973-11-09 PROCEDURE FOR THE PRODUCTION OF MAGNETIC DISCS WITH MAGNETIC LAYERS

Country Status (7)

Country Link
JP (1) JPS50803A (en)
BE (1) BE807105A (en)
DE (1) DE2254981A1 (en)
FR (1) FR2206548B1 (en)
GB (1) GB1448593A (en)
IT (1) IT996425B (en)
NL (1) NL7315209A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067682A (en) * 1975-08-01 1978-01-10 Nichols Engineering & Research Corporation Oil burner system
JPS5260308U (en) * 1975-10-28 1977-05-02
JPS5613525A (en) * 1979-07-16 1981-02-09 Tdk Corp Magnetic recording medium
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium
DE3407721A1 (en) * 1984-03-02 1985-09-12 Basf Ag, 6700 Ludwigshafen MAGNETIC RECORDING CARRIERS
FR2638000B1 (en) * 1988-10-18 1990-12-14 Kodak Pathe LARGE CAPACITY MAGNETIC MEMORY CARD AND MANUFACTURING METHOD

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804393A1 (en) * 1968-10-22 1970-05-27 Basf Ag Process for the production of magnetic recording media
CH506155A (en) * 1969-04-14 1971-04-15 Ibm Magnetic data storage device

Also Published As

Publication number Publication date
FR2206548B1 (en) 1979-02-23
GB1448593A (en) 1976-09-08
DE2254981A1 (en) 1974-06-12
NL7315209A (en) 1974-05-14
JPS50803A (en) 1975-01-07
FR2206548A1 (en) 1974-06-07
BE807105A (en) 1974-05-09

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