FR1081522A - Support pour enregistrement magnétique, en particulier en lorme de bande ou de film - Google Patents

Support pour enregistrement magnétique, en particulier en lorme de bande ou de film

Info

Publication number
FR1081522A
FR1081522A FR1081522DA FR1081522A FR 1081522 A FR1081522 A FR 1081522A FR 1081522D A FR1081522D A FR 1081522DA FR 1081522 A FR1081522 A FR 1081522A
Authority
FR
France
Prior art keywords
tape
recording medium
magnetic recording
film form
film
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1081522A publication Critical patent/FR1081522A/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
    • G11B5/706—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 composition of the magnetic material
    • G11B5/70626—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 composition of the magnetic material containing non-metallic substances
    • G11B5/70642—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 composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites
FR1081522D 1952-07-30 1953-07-22 Support pour enregistrement magnétique, en particulier en lorme de bande ou de film Expired FR1081522A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1081522X 1952-07-30

Publications (1)

Publication Number Publication Date
FR1081522A true FR1081522A (fr) 1954-12-21

Family

ID=7720925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081522D Expired FR1081522A (fr) 1952-07-30 1953-07-22 Support pour enregistrement magnétique, en particulier en lorme de bande ou de film

Country Status (1)

Country Link
FR (1) FR1081522A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052210A2 (fr) * 1980-11-14 1982-05-26 BASF Aktiengesellschaft Procédé de fabrication de ferrite de baryum sous forme de fines particules fortement coercitives

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052210A2 (fr) * 1980-11-14 1982-05-26 BASF Aktiengesellschaft Procédé de fabrication de ferrite de baryum sous forme de fines particules fortement coercitives
EP0052210A3 (en) * 1980-11-14 1983-09-07 Basf Aktiengesellschaft Method of producing fine barium ferrite particles having a high coercivity, and their use in the production of magnetic record carriers

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