BE804556A - Compositions de ferreites et bandes magnetiques d'enregistrement comportant ces ferrites - Google Patents

Compositions de ferreites et bandes magnetiques d'enregistrement comportant ces ferrites

Info

Publication number
BE804556A
BE804556A BE135400A BE135400A BE804556A BE 804556 A BE804556 A BE 804556A BE 135400 A BE135400 A BE 135400A BE 135400 A BE135400 A BE 135400A BE 804556 A BE804556 A BE 804556A
Authority
BE
Belgium
Prior art keywords
ferreites
ferrites
compositions
magnetic recording
bands containing
Prior art date
Application number
BE135400A
Other languages
English (en)
French (fr)
Inventor
J W Robinson
G Kaganowicz
J L Cooper E F Hockings
I Gordon
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of BE804556A publication Critical patent/BE804556A/xx

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
    • 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
    • G11B5/714—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 dimension of the magnetic particles
BE135400A 1972-09-07 1973-09-06 Compositions de ferreites et bandes magnetiques d'enregistrement comportant ces ferrites BE804556A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28692672A 1972-09-07 1972-09-07

Publications (1)

Publication Number Publication Date
BE804556A true BE804556A (fr) 1974-01-02

Family

ID=23100740

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135400A BE804556A (fr) 1972-09-07 1973-09-06 Compositions de ferreites et bandes magnetiques d'enregistrement comportant ces ferrites

Country Status (11)

Country Link
JP (1) JPS547076B2 (enExample)
AU (1) AU469886B2 (enExample)
BE (1) BE804556A (enExample)
CA (1) CA1021148A (enExample)
DE (1) DE2343701A1 (enExample)
ES (1) ES418329A1 (enExample)
FR (1) FR2198908B1 (enExample)
GB (1) GB1436135A (enExample)
IT (1) IT993890B (enExample)
NL (1) NL7312283A (enExample)
SE (1) SE393889B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916403A1 (de) 1979-04-23 1980-11-06 Basf Ag Nadelfoermiges magnetisches eisenoxid und verfahren zu seiner herstellung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654163A (en) * 1968-02-27 1972-04-04 Sony Corp Cobalt ferrite magnetic powder for tape recording

Also Published As

Publication number Publication date
FR2198908B1 (enExample) 1978-11-10
JPS4969103A (enExample) 1974-07-04
IT993890B (it) 1975-09-30
CA1021148A (en) 1977-11-22
AU469886B2 (en) 1976-02-26
SE393889B (sv) 1977-05-23
FR2198908A1 (enExample) 1974-04-05
JPS547076B2 (enExample) 1979-04-03
AU5959273A (en) 1975-02-27
NL7312283A (enExample) 1974-03-11
DE2343701A1 (de) 1974-03-14
ES418329A1 (es) 1976-03-16
GB1436135A (en) 1976-05-19

Similar Documents

Publication Publication Date Title
JPS5282211A (en) Method of recording information
BE796501A (fr) Jeu d'elements pour meubles
BE787255A (fr) Plaque d'immatriculation
AT348035B (de) Magnetaufzeichnungs- und wiedergabegeraet
BE788832A (fr) Appareils d'enregistrement et de reproduction magnetique
NL173217C (nl) Bandopneem- en/of weergeefapparaat.
BE796359A (fr) Composition d'oeuf synthetique
IT1052457B (it) Composizione e procedimento di registrazione di informazioni
BE780710R (fr) Systeme d'enregistrement et de reproduction
BE785338A (fr) Compositions anti-seborrheiques et procede de
JPS56108706A (en) Modification of fragrance
PH9827A (en) Derivatives of 1-phenoxy-3-amino-propane-2-ol and composition thereof
BE788599A (fr) Composition d'oxyde de polyphenylene modifie
NL176110C (nl) Magnetische opneem- en/of weergeefinrichting.
BE788679A (fr) Composition de photopolymere
SE415414B (sv) Inspelnings- och avspelningsapparat
AT328202B (de) Aufzeichnungs- und/oder wiedergabegerat
BE812539A (nl) Magnetisch registreermateriaal
JPS5649390A (en) Manufacture of 1 oxide of 33cephem compound
BE804556A (fr) Compositions de ferreites et bandes magnetiques d'enregistrement comportant ces ferrites
BE787288R (fr) Plaque d'insonorisation et d'isolation
BR7305955D0 (pt) Aparelho de gravacao e reproducao magnetica
NL180789C (nl) Magnetische opneem- en/of weergeefinrichting.
JPS5227760A (en) Production of novel compound and composition
BE796747A (fr) Composition d'adhesif reticulable