FR2313730A1 - PROCESS FOR THE MANUFACTURING OF MAGNETOGRAM SUPPORTS - Google Patents

PROCESS FOR THE MANUFACTURING OF MAGNETOGRAM SUPPORTS

Info

Publication number
FR2313730A1
FR2313730A1 FR7616847A FR7616847A FR2313730A1 FR 2313730 A1 FR2313730 A1 FR 2313730A1 FR 7616847 A FR7616847 A FR 7616847A FR 7616847 A FR7616847 A FR 7616847A FR 2313730 A1 FR2313730 A1 FR 2313730A1
Authority
FR
France
Prior art keywords
magnetogram
supports
manufacturing
magnetogram supports
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
FR7616847A
Other languages
French (fr)
Other versions
FR2313730B1 (en
Inventor
Robert Becker
Wilfried Schefter
Christoph Schneider
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Publication of FR2313730A1 publication Critical patent/FR2313730A1/en
Application granted granted Critical
Publication of FR2313730B1 publication Critical patent/FR2313730B1/fr
Granted legal-status Critical Current

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
    • G11B5/7021—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 a polyurethane or a polyisocyanate
    • G11B5/7022—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 a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
    • 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
    • G11B5/712—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 surface treatment or coating of magnetic particles
FR7616847A 1975-06-04 1976-06-03 PROCESS FOR THE MANUFACTURING OF MAGNETOGRAM SUPPORTS Granted FR2313730A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18643375A DD121563A1 (en) 1975-06-04 1975-06-04

Publications (2)

Publication Number Publication Date
FR2313730A1 true FR2313730A1 (en) 1976-12-31
FR2313730B1 FR2313730B1 (en) 1978-05-19

Family

ID=5500528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616847A Granted FR2313730A1 (en) 1975-06-04 1976-06-03 PROCESS FOR THE MANUFACTURING OF MAGNETOGRAM SUPPORTS

Country Status (6)

Country Link
BE (1) BE840423A (en)
DD (1) DD121563A1 (en)
DE (1) DE2610696A1 (en)
FR (1) FR2313730A1 (en)
GB (1) GB1548176A (en)
SU (1) SU610165A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714589C2 (en) * 1977-04-01 1986-07-17 Basf Ag, 6700 Ludwigshafen Process for the production of magnetogram carriers
JPS5570936A (en) * 1978-11-24 1980-05-28 Tdk Corp Magnetic recording media
DE102004049592A1 (en) * 2004-10-12 2006-05-04 Bayer Materialscience Ag Soft-touch lacquer-coated, deformable plastic composite films and plastic composite elements and their production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1548176A (en) 1979-07-04
BE840423A (en) 1976-08-02
FR2313730B1 (en) 1978-05-19
SU610165A1 (en) 1978-06-05
DD121563A1 (en) 1976-08-05
DE2610696A1 (en) 1976-12-23

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Legal Events

Date Code Title Description
ST Notification of lapse