DE2533850C3 - Magnetisches Aufzeichnungsmaterial sowie Verfahren zur Herstellung desselben - Google Patents

Magnetisches Aufzeichnungsmaterial sowie Verfahren zur Herstellung desselben

Info

Publication number
DE2533850C3
DE2533850C3 DE2533850A DE2533850A DE2533850C3 DE 2533850 C3 DE2533850 C3 DE 2533850C3 DE 2533850 A DE2533850 A DE 2533850A DE 2533850 A DE2533850 A DE 2533850A DE 2533850 C3 DE2533850 C3 DE 2533850C3
Authority
DE
Germany
Prior art keywords
magnetic
layer
binder
particles
dispersion
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
DE2533850A
Other languages
German (de)
English (en)
Other versions
DE2533850A1 (de
DE2533850B2 (de
Inventor
Claude Jeanine Paris Masson
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE2533850A1 publication Critical patent/DE2533850A1/de
Publication of DE2533850B2 publication Critical patent/DE2533850B2/de
Application granted granted Critical
Publication of DE2533850C3 publication Critical patent/DE2533850C3/de
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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31931—Polyene monomer-containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE2533850A 1974-07-30 1975-07-29 Magnetisches Aufzeichnungsmaterial sowie Verfahren zur Herstellung desselben Expired DE2533850C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7426355A FR2280950A1 (fr) 1974-07-30 1974-07-30 Nouvelle bande magnetique a incurvation transversale amelioree

Publications (3)

Publication Number Publication Date
DE2533850A1 DE2533850A1 (de) 1976-02-19
DE2533850B2 DE2533850B2 (de) 1977-08-18
DE2533850C3 true DE2533850C3 (de) 1978-04-20

Family

ID=9141852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2533850A Expired DE2533850C3 (de) 1974-07-30 1975-07-29 Magnetisches Aufzeichnungsmaterial sowie Verfahren zur Herstellung desselben

Country Status (6)

Country Link
US (1) US4032682A (US08087162-20120103-C00010.png)
JP (1) JPS5439127B2 (US08087162-20120103-C00010.png)
BE (1) BE831937A (US08087162-20120103-C00010.png)
DE (1) DE2533850C3 (US08087162-20120103-C00010.png)
FR (1) FR2280950A1 (US08087162-20120103-C00010.png)
GB (1) GB1508859A (US08087162-20120103-C00010.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044805B2 (ja) * 1976-08-27 1985-10-05 日本ビクター株式会社 磁気記録媒体の製造方法
FR2382325A1 (fr) * 1977-03-02 1978-09-29 Kodak Pathe Produit comprenant une couche d'enregistrement magnetique transparente
US4132835A (en) * 1977-03-25 1979-01-02 Frye Copysystems, Inc. Pressure sensitive magnetic image transfer media
DE3113859A1 (de) * 1980-04-07 1982-01-28 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial
US4546035A (en) * 1983-06-27 1985-10-08 International Business Machines Corporation Polymeric additives for magnetic coating materials
DE3325556A1 (de) * 1983-07-15 1985-01-24 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetischen aufzeichnungstraegern mit rueckschicht
DE3325555A1 (de) * 1983-07-15 1985-01-24 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetischen aufzeichnungstraegern
DE3405960A1 (de) * 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetischen aufzeichnungstraegern mit rueckschicht sowie danach hergestellte magnetische aufzeichnungstraeger
NL8402136A (nl) * 1984-07-05 1986-02-03 Pd Magnetics Bv Magnetisch registratie element en methode voor de vervaardiging ervan.
US4626463A (en) * 1984-09-26 1986-12-02 Minnesota Mining And Manufacturing Company Diskette having wear-resistant magnetizable layer
US4693908A (en) * 1985-08-19 1987-09-15 International Business Machines Corporation Magnetic recording disk with improved lubricant retention
US4769166A (en) * 1987-06-01 1988-09-06 United Technologies Automotive, Inc. Expandable magnetic sealant
US5240768A (en) * 1987-06-12 1993-08-31 Minnesota Mining And Manufacturing Company Articles containing metal fibers
JP3439541B2 (ja) * 1994-09-07 2003-08-25 富士写真フイルム株式会社 磁気記録媒体

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665262A (en) * 1950-08-04 1954-01-05 Interchem Corp Coating compositions for recording media
US3240621A (en) * 1960-11-14 1966-03-15 Dictaphone Corp High viscosity dispersions of magnetic pigments
US3216846A (en) * 1963-01-21 1965-11-09 Gevaert Photo Prod Nv Process for producing a magnetic recording material
NL134708C (US08087162-20120103-C00010.png) * 1963-11-07
US3398011A (en) * 1964-09-10 1968-08-20 Reeves Ind Inc Method of lubricating a coated magnetic record member
US3427191A (en) * 1965-03-03 1969-02-11 Nat Distillers Chem Corp Magnetic recording tape
US3484318A (en) * 1966-06-23 1969-12-16 Ibm Method of concurrently producing visible and magnetizable indicia
US3473960A (en) * 1966-12-12 1969-10-21 Ampex Surface finishing of magnetic tape by solvent exchange
DE1948324C3 (de) * 1968-09-26 1974-04-25 Fuji Photo Film Co., Ltd., Ashigara, Kanagawa (Japan) Magnetisches Aufzeichnungsmaterial
NL7003810A (US08087162-20120103-C00010.png) * 1970-03-18 1971-09-21
US3761311A (en) * 1971-08-23 1973-09-25 Minnesota Mining & Mfg Dual layer magnetic recording tape

Also Published As

Publication number Publication date
DE2533850A1 (de) 1976-02-19
DE2533850B2 (de) 1977-08-18
US4032682A (en) 1977-06-28
GB1508859A (en) 1978-04-26
JPS5136913A (US08087162-20120103-C00010.png) 1976-03-29
FR2280950A1 (fr) 1976-02-27
JPS5439127B2 (US08087162-20120103-C00010.png) 1979-11-26
FR2280950B1 (US08087162-20120103-C00010.png) 1977-10-14
BE831937A (fr) 1976-01-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EI Miscellaneous see part 3
XX Miscellaneous:

Free format text: PRIORITAETSAKTENZEICHEN AENDERN IN 7426355

8339 Ceased/non-payment of the annual fee