BE779893A - Bande a deux couches pour l'enregistrement - Google Patents

Bande a deux couches pour l'enregistrement

Info

Publication number
BE779893A
BE779893A BE779893A BE779893A BE779893A BE 779893 A BE779893 A BE 779893A BE 779893 A BE779893 A BE 779893A BE 779893 A BE779893 A BE 779893A BE 779893 A BE779893 A BE 779893A
Authority
BE
Belgium
Prior art keywords
recording
layer tape
tape
layer
Prior art date
Application number
BE779893A
Other languages
English (en)
French (fr)
Inventor
K J Perrington
P J Vogelgesang
J K Knudsen
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BE779893A publication Critical patent/BE779893A/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
    • G11B5/716—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 two or more magnetic layers
BE779893A 1971-02-26 1972-02-25 Bande a deux couches pour l'enregistrement BE779893A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11919071A 1971-02-26 1971-02-26
US17411371A 1971-08-23 1971-08-23

Publications (1)

Publication Number Publication Date
BE779893A true BE779893A (fr) 1972-08-25

Family

ID=26817106

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779893A BE779893A (fr) 1971-02-26 1972-02-25 Bande a deux couches pour l'enregistrement

Country Status (11)

Country Link
JP (1) JPS5228364B1 (enrdf_load_stackoverflow)
AR (1) AR192622A1 (enrdf_load_stackoverflow)
BE (1) BE779893A (enrdf_load_stackoverflow)
CA (1) CA963321A (enrdf_load_stackoverflow)
DE (1) DE2208792B2 (enrdf_load_stackoverflow)
ES (1) ES399853A1 (enrdf_load_stackoverflow)
FR (1) FR2126451B1 (enrdf_load_stackoverflow)
GB (1) GB1366192A (enrdf_load_stackoverflow)
IT (1) IT948737B (enrdf_load_stackoverflow)
NL (1) NL7202051A (enrdf_load_stackoverflow)
SE (1) SE382274B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843815B2 (ja) * 1975-10-23 1983-09-29 富士写真フイルム株式会社 ジキキロクテ−プ
JPS5817539A (ja) * 1981-07-21 1983-02-01 Sony Corp 磁気記録媒体
NL8220324A (nl) * 1981-09-28 1983-08-01 Sony Corp Magnetisch registreermedium.
DE3420466A1 (de) * 1984-06-01 1985-12-05 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetogrammtraegern
JPH0727631B2 (ja) * 1987-09-21 1995-03-29 富士写真フイルム株式会社 磁気記録媒体
JP2581570B2 (ja) * 1987-10-19 1997-02-12 富士写真フイルム株式会社 ビデオ用磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671269A (en) * 1949-11-02 1952-04-30 Brush Dev Co Improvements in or relating to multi-layer magnetic record members

Also Published As

Publication number Publication date
JPS5228364B1 (enrdf_load_stackoverflow) 1977-07-26
AR192622A1 (es) 1973-02-28
FR2126451B1 (enrdf_load_stackoverflow) 1975-10-24
SE382274B (sv) 1976-01-19
ES399853A1 (es) 1975-09-16
DE2208792B2 (de) 1976-08-19
IT948737B (it) 1973-06-11
NL7202051A (enrdf_load_stackoverflow) 1972-08-29
DE2208792A1 (de) 1973-03-08
CA963321A (en) 1975-02-25
FR2126451A1 (enrdf_load_stackoverflow) 1972-10-06
GB1366192A (en) 1974-09-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MINNESOTA MINING AND MFG CY

Effective date: 19900228