FR1481436A - Composition magnétique pour la fabrication de milieux d'enregistrement magnétiques - Google Patents

Composition magnétique pour la fabrication de milieux d'enregistrement magnétiques

Info

Publication number
FR1481436A
FR1481436A FR63147A FR63147A FR1481436A FR 1481436 A FR1481436 A FR 1481436A FR 63147 A FR63147 A FR 63147A FR 63147 A FR63147 A FR 63147A FR 1481436 A FR1481436 A FR 1481436A
Authority
FR
France
Prior art keywords
magnetic
manufacture
recording media
composition
magnetic recording
Prior art date
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.)
Expired
Application number
FR63147A
Other languages
English (en)
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.)
Sony Corp
Original Assignee
Sony 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
Priority to DENDAT1241491D priority Critical patent/DE1241491C2/de
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of FR1481436A publication Critical patent/FR1481436A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L31/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
    • C08L31/02Homopolymers or copolymers of esters of monocarboxylic acids
    • C08L31/04Homopolymers or copolymers of vinyl acetate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/702Record 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
    • G11B5/7023Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/71Record 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 lubricant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
FR63147A 1965-05-26 1966-05-26 Composition magnétique pour la fabrication de milieux d'enregistrement magnétiques Expired FR1481436A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DENDAT1241491D DE1241491C2 (de) 1966-05-26 Magnetogrammtraegerschicht mit eisen-kobalt und eisen-kobalt-nickel- legierungen in einem binder aus copolymeren aus vinylchlorid und vinylacetat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3095365 1965-05-26

Publications (1)

Publication Number Publication Date
FR1481436A true FR1481436A (fr) 1967-05-19

Family

ID=12318030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63147A Expired FR1481436A (fr) 1965-05-26 1966-05-26 Composition magnétique pour la fabrication de milieux d'enregistrement magnétiques

Country Status (3)

Country Link
DE (1) DE1241491B (fr)
FR (1) FR1481436A (fr)
GB (1) GB1105424A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628929A (en) * 1949-07-15 1953-02-17 Minnesota Mining & Mfg Method and apparatus for transferring a magnetic sound track to movie film

Also Published As

Publication number Publication date
GB1105424A (en) 1968-03-06
DE1241491B (de) 1967-06-01

Similar Documents

Publication Publication Date Title
BE784786A (fr) Materiau pour feuilles d'enregistrement
CH462891A (fr) Support d'enregistrement magnétique
FR1412758A (fr) Disque d'enregistrement magnétique souple
BE744096A (fr) Support d'enregistrement magnetique
IT965906B (it) Cassetta di nastro magnetico
BE792309A (fr) Materiau d'enregistrement electrophotographique
BE807715A (fr) Pochette pour disques d'enregistrement phonographique et procede pour la fabrication de celle-ci
BE784312A (fr) Support d'enregistrement magnetique
BE761579A (fr) Milieu d'enregistrement magnetique
FR1462080A (fr) Composition magnétique applicable pour la fabrication de supports d'enregistrement magnétique
BE748938A (fr) Support d'enregistrement magnetique
FR1441543A (fr) Perfectionnements à la technique d'enregistrement des signaux de télévision
FR1457106A (fr) Composition magnétique pour des milieux d'enregistrement magnétique
FR1481436A (fr) Composition magnétique pour la fabrication de milieux d'enregistrement magnétiques
FR1517725A (fr) Perfectionnements aux supports magnétiques d'enregistrement
BE807421A (fr) Supports d'enregistrements magnetiques
IT967820B (it) Procedimento per la fabbricazione di composizioni magnetiche di ossido di cromo modificato con carbonio particolarmente per mezzi magnetici di registrazione
BE613245A (fr) Transducteur magnétique pour éléments d'informations multiples
BE756149A (fr) Support d'enregistrement magnetique
BE768176A (fr) Revetement pour enregistrement magnetique
FR1515476A (fr) Amplificateur d'enregistrement pour magnétoscope
BE781192A (fr) Supports d'enregistrements magnetiques
BE641790A (fr) Milieux d'enregistrement
FR1440892A (fr) Matérau d'enregistrement
FR1413253A (fr) Installation pour le transport de supports d'enregistrement réalisés sous forme de cartes