IT948737B - Perfezionamento nei nastri di regi strazione magnetica a doppio stra to - Google Patents

Perfezionamento nei nastri di regi strazione magnetica a doppio stra to

Info

Publication number
IT948737B
IT948737B IT4857672A IT4857672A IT948737B IT 948737 B IT948737 B IT 948737B IT 4857672 A IT4857672 A IT 4857672A IT 4857672 A IT4857672 A IT 4857672A IT 948737 B IT948737 B IT 948737B
Authority
IT
Italy
Prior art keywords
improvement
magnetic strip
strip tapes
double stretch
stretch magnetic
Prior art date
Application number
IT4857672A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT948737B publication Critical patent/IT948737B/it

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
IT4857672A 1971-02-26 1972-02-25 Perfezionamento nei nastri di regi strazione magnetica a doppio stra to IT948737B (it)

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
IT948737B true IT948737B (it) 1973-06-11

Family

ID=26817106

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4857672A IT948737B (it) 1971-02-26 1972-02-25 Perfezionamento nei nastri di regi strazione magnetica a doppio stra to

Country Status (11)

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

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
WO1983001145A1 (en) * 1981-09-28 1983-03-31 Kubota, Isao Magnetic recording medium
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
AR192622A1 (es) 1973-02-28
JPS5228364B1 (ja) 1977-07-26
FR2126451B1 (ja) 1975-10-24
GB1366192A (en) 1974-09-11
SE382274B (sv) 1976-01-19
DE2208792A1 (de) 1973-03-08
NL7202051A (ja) 1972-08-29
CA963321A (en) 1975-02-25
DE2208792B2 (de) 1976-08-19
BE779893A (fr) 1972-08-25
ES399853A1 (es) 1975-09-16
FR2126451A1 (ja) 1972-10-06

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