FR2209158A1 - - Google Patents

Info

Publication number
FR2209158A1
FR2209158A1 FR7334685A FR7334685A FR2209158A1 FR 2209158 A1 FR2209158 A1 FR 2209158A1 FR 7334685 A FR7334685 A FR 7334685A FR 7334685 A FR7334685 A FR 7334685A FR 2209158 A1 FR2209158 A1 FR 2209158A1
Authority
FR
France
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.)
Granted
Application number
FR7334685A
Other languages
French (fr)
Other versions
FR2209158B1 (it
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.)
SECI
Original Assignee
SECI
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 SECI filed Critical SECI
Publication of FR2209158A1 publication Critical patent/FR2209158A1/fr
Application granted granted Critical
Publication of FR2209158B1 publication Critical patent/FR2209158B1/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
    • G11B5/702—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 bonding agent
    • G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
FR7334685A 1972-09-27 1973-09-27 Expired FR2209158B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2975172A IT967927B (it) 1972-09-27 1972-09-27 Procedimento di fabbricazione di elementi per la registrazione magnetica

Publications (2)

Publication Number Publication Date
FR2209158A1 true FR2209158A1 (it) 1974-06-28
FR2209158B1 FR2209158B1 (it) 1977-09-09

Family

ID=11228371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7334685A Expired FR2209158B1 (it) 1972-09-27 1973-09-27

Country Status (10)

Country Link
JP (1) JPS49134307A (it)
AT (1) AT325323B (it)
BE (1) BE805410A (it)
CA (1) CA1002821A (it)
DE (1) DE2348661A1 (it)
ES (1) ES419135A1 (it)
FR (1) FR2209158B1 (it)
GB (1) GB1445876A (it)
IT (1) IT967927B (it)
NL (1) NL7313308A (it)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2057846A5 (en) * 1969-08-01 1971-05-21 Rca Corp Magnetic recording elements

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2057846A5 (en) * 1969-08-01 1971-05-21 Rca Corp Magnetic recording elements

Also Published As

Publication number Publication date
FR2209158B1 (it) 1977-09-09
ES419135A1 (es) 1976-06-16
AT325323B (de) 1975-10-10
GB1445876A (en) 1976-08-11
NL7313308A (it) 1974-03-29
DE2348661A1 (de) 1974-04-11
IT967927B (it) 1974-03-11
BE805410A (fr) 1974-01-16
JPS49134307A (it) 1974-12-24
CA1002821A (en) 1977-01-04

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Legal Events

Date Code Title Description
ST Notification of lapse