DE2500546B2 - - Google Patents

Info

Publication number
DE2500546B2
DE2500546B2 DE2500546A DE2500546A DE2500546B2 DE 2500546 B2 DE2500546 B2 DE 2500546B2 DE 2500546 A DE2500546 A DE 2500546A DE 2500546 A DE2500546 A DE 2500546A DE 2500546 B2 DE2500546 B2 DE 2500546B2
Authority
DE
Germany
Prior art keywords
layer
weight
percent
conductive
intermediate layer
Prior art date
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.)
Granted
Application number
DE2500546A
Other languages
German (de)
English (en)
Other versions
DE2500546A1 (de
DE2500546C3 (de
Inventor
Winfried 6702 Bad Duerkheim Gutermann
Hans-Joerg Dipl.- Ing. Dr. 6713 Freinsheim Hartmann
Wulf Dipl.-Ing. Dr. 6700 Ludwigshafen Muenzner
Hermann 6700 Ludwigshafen Roller
Manfred Dipl.-Ing. Dr. 6719 Neuleiningen Wollnik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Priority to DE2500546A priority Critical patent/DE2500546C3/de
Publication of DE2500546A1 publication Critical patent/DE2500546A1/de
Publication of DE2500546B2 publication Critical patent/DE2500546B2/de
Application granted granted Critical
Publication of DE2500546C3 publication Critical patent/DE2500546C3/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/735Base 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 characterised by the back layer
    • G11B5/7356Base 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 characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/733Base 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 characterised by the addition of non-magnetic particles
    • G11B5/7334Base layer characterised by composition or structure

Landscapes

  • Paints Or Removers (AREA)
DE2500546A 1975-01-08 1975-01-08 Verfahren zur Herstellung von flexiblen Schichtmagnetogrammträgern mit leitfähiger abriebfester Rückseitenbeschichtung Expired DE2500546C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2500546A DE2500546C3 (de) 1975-01-08 1975-01-08 Verfahren zur Herstellung von flexiblen Schichtmagnetogrammträgern mit leitfähiger abriebfester Rückseitenbeschichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2500546A DE2500546C3 (de) 1975-01-08 1975-01-08 Verfahren zur Herstellung von flexiblen Schichtmagnetogrammträgern mit leitfähiger abriebfester Rückseitenbeschichtung

Publications (3)

Publication Number Publication Date
DE2500546A1 DE2500546A1 (de) 1976-07-15
DE2500546B2 true DE2500546B2 (enExample) 1979-04-19
DE2500546C3 DE2500546C3 (de) 1979-11-29

Family

ID=5936095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2500546A Expired DE2500546C3 (de) 1975-01-08 1975-01-08 Verfahren zur Herstellung von flexiblen Schichtmagnetogrammträgern mit leitfähiger abriebfester Rückseitenbeschichtung

Country Status (1)

Country Link
DE (1) DE2500546C3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714783A1 (de) * 1987-05-04 1988-11-24 Rainer Kuenstler Druckfarbe und verwendung derselben

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328935A (en) 1980-06-12 1982-05-11 Minnesota Mining And Manufacturing Company Flexible magnetic recording tape having low-friction backside coating
DE3230394A1 (de) * 1982-08-14 1984-02-16 Basf Ag, 6700 Ludwigshafen Flexible schichtmagnetogrammtraeger mit rueckschicht
DE3405960A1 (de) * 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetischen aufzeichnungstraegern mit rueckschicht sowie danach hergestellte magnetische aufzeichnungstraeger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714783A1 (de) * 1987-05-04 1988-11-24 Rainer Kuenstler Druckfarbe und verwendung derselben

Also Published As

Publication number Publication date
DE2500546A1 (de) 1976-07-15
DE2500546C3 (de) 1979-11-29

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee