SE393889B - Ferrit for anvendning i magnetupptagningsband - Google Patents

Ferrit for anvendning i magnetupptagningsband

Info

Publication number
SE393889B
SE393889B SE7312024A SE7312024A SE393889B SE 393889 B SE393889 B SE 393889B SE 7312024 A SE7312024 A SE 7312024A SE 7312024 A SE7312024 A SE 7312024A SE 393889 B SE393889 B SE 393889B
Authority
SE
Sweden
Prior art keywords
ferrit
magnetic recording
recording band
band
magnetic
Prior art date
Application number
SE7312024A
Other languages
English (en)
Swedish (sv)
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 SE393889B publication Critical patent/SE393889B/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
SE7312024A 1972-09-07 1973-09-04 Ferrit for anvendning i magnetupptagningsband SE393889B (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE393889B true SE393889B (sv) 1977-05-23

Family

ID=23100740

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7312024A SE393889B (sv) 1972-09-07 1973-09-04 Ferrit for anvendning i magnetupptagningsband

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
BE804556A (fr) 1974-01-02
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

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