DE3635423A1 - Magnetisches aufzeichnungsmedium mit einer verbesserten magnetischen aufzeichnungsschicht aus einem magnetpulver, dispergiert in einem vinylalkohol/vinylchloridharz - Google Patents

Magnetisches aufzeichnungsmedium mit einer verbesserten magnetischen aufzeichnungsschicht aus einem magnetpulver, dispergiert in einem vinylalkohol/vinylchloridharz

Info

Publication number
DE3635423A1
DE3635423A1 DE19863635423 DE3635423A DE3635423A1 DE 3635423 A1 DE3635423 A1 DE 3635423A1 DE 19863635423 DE19863635423 DE 19863635423 DE 3635423 A DE3635423 A DE 3635423A DE 3635423 A1 DE3635423 A1 DE 3635423A1
Authority
DE
Germany
Prior art keywords
magnetic
magnetic recording
vinyl alcohol
weight
recording medium
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.)
Ceased
Application number
DE19863635423
Other languages
German (de)
English (en)
Inventor
Kumiko Ojima
Yukio Matsumoto
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3635423A1 publication Critical patent/DE3635423A1/de
Ceased 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
    • 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
    • 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
    • G11B5/7021—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 a polyurethane or a polyisocyanate
    • G11B5/7022—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 a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE19863635423 1985-10-18 1986-10-17 Magnetisches aufzeichnungsmedium mit einer verbesserten magnetischen aufzeichnungsschicht aus einem magnetpulver, dispergiert in einem vinylalkohol/vinylchloridharz Ceased DE3635423A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60231366A JPS6292235A (ja) 1985-10-18 1985-10-18 磁気記録媒体

Publications (1)

Publication Number Publication Date
DE3635423A1 true DE3635423A1 (de) 1987-04-23

Family

ID=16922491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863635423 Ceased DE3635423A1 (de) 1985-10-18 1986-10-17 Magnetisches aufzeichnungsmedium mit einer verbesserten magnetischen aufzeichnungsschicht aus einem magnetpulver, dispergiert in einem vinylalkohol/vinylchloridharz

Country Status (3)

Country Link
JP (1) JPS6292235A (ko)
KR (1) KR900004752B1 (ko)
DE (1) DE3635423A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041736A1 (de) * 1989-12-28 1991-07-04 Konishiroku Photo Ind Magnetaufzeichnungsmedium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023799A1 (de) * 1979-06-25 1981-01-22 Tdk Electronics Co Ltd Magnetisches aufzeichnungsmedium
DE3208865A1 (de) * 1981-03-12 1982-09-23 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023799A1 (de) * 1979-06-25 1981-01-22 Tdk Electronics Co Ltd Magnetisches aufzeichnungsmedium
DE3208865A1 (de) * 1981-03-12 1982-09-23 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Magnetisches aufzeichnungsmaterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041736A1 (de) * 1989-12-28 1991-07-04 Konishiroku Photo Ind Magnetaufzeichnungsmedium

Also Published As

Publication number Publication date
KR870004404A (ko) 1987-05-09
JPS6292235A (ja) 1987-04-27
KR900004752B1 (ko) 1990-07-05

Similar Documents

Publication Publication Date Title
DE3219779C2 (ko)
DE3219780C2 (ko)
DE2534301C2 (de) Magnetisches Aufzeichnungsmaterial
DE2326258C2 (de) Magnetischer Aufzeichnungsträger
DE2647941A1 (de) Magnetband
EP0014902B1 (de) Verfahren zur Herstellung von nadelförmigem kobalthaltigem magnetischem Eisenoxid
DE3328595C2 (ko)
DE3718957C2 (ko)
DE3128004C2 (ko)
EP0014903B1 (de) Verfahren zur Herstellung von nadelförmigem kobalthaltigem magnetischem Eisenoxid
DE3217212C2 (de) Magnetisches Aufzeichnungsmedium
DE3138278C2 (ko)
DE3540077C2 (ko)
DE3327278C2 (de) Magnetaufzeichnungsmaterial
DE3323596A1 (de) Magnetisches aufzeichnungsmaterial
DE3328719C2 (de) Magnetisches Aufzeichnungsmaterial
DE3219778A1 (de) Magnetisches aufzeichnungsmaterial
DE3635423A1 (de) Magnetisches aufzeichnungsmedium mit einer verbesserten magnetischen aufzeichnungsschicht aus einem magnetpulver, dispergiert in einem vinylalkohol/vinylchloridharz
DE3624762C2 (ko)
DE3339244A1 (de) Magnetisches aufzeichnungsmaterial
DE3534943A1 (de) Magnetisches aufzeichnungsmedium
DE3634283A1 (de) Eisencarbid enthaltendes magnetaufzeichnungsmedium
DE3214609A1 (de) Magnetisches aufzeichnungsmedium fuer hohe aufzeichnungsdichte
DE3617878C2 (de) Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht, welche russ mit definierten ph-bereichen und definierten bereichen der faerbekraft enthaelt
DE3842496A1 (de) Magnetaufzeichnungsmedium

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection