FR1132409A - Surfaces d'enregistrement magnétique - Google Patents

Surfaces d'enregistrement magnétique

Info

Publication number
FR1132409A
FR1132409A FR1132409DA FR1132409A FR 1132409 A FR1132409 A FR 1132409A FR 1132409D A FR1132409D A FR 1132409DA FR 1132409 A FR1132409 A FR 1132409A
Authority
FR
France
Prior art keywords
magnetic recording
recording surfaces
magnetic
recording
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.)
Expired
Application number
Other languages
English (en)
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of FR1132409A publication Critical patent/FR1132409A/fr
Expired 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
    • G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
FR1132409D 1954-04-27 1955-04-27 Surfaces d'enregistrement magnétique Expired FR1132409A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1132409X 1954-04-27

Publications (1)

Publication Number Publication Date
FR1132409A true FR1132409A (fr) 1957-03-11

Family

ID=10876439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1132409D Expired FR1132409A (fr) 1954-04-27 1955-04-27 Surfaces d'enregistrement magnétique

Country Status (1)

Country Link
FR (1) FR1132409A (fr)

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