CA980185A - Magnetic recording members - Google Patents

Magnetic recording members

Info

Publication number
CA980185A
CA980185A CA149,818A CA149818A CA980185A CA 980185 A CA980185 A CA 980185A CA 149818 A CA149818 A CA 149818A CA 980185 A CA980185 A CA 980185A
Authority
CA
Canada
Prior art keywords
magnetic recording
recording members
members
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
CA149,818A
Other versions
CA149818S (en
Inventor
Goro Akashi
Yasuyuki Yamada
Kazuhiko Morita
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA980185A publication Critical patent/CA980185A/en
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
    • G11B5/7021—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
CA149,818A 1971-08-21 1972-08-17 Magnetic recording members Expired CA980185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6392771A JPS4830403A (en) 1971-08-21 1971-08-21

Publications (1)

Publication Number Publication Date
CA980185A true CA980185A (en) 1975-12-23

Family

ID=13243450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,818A Expired CA980185A (en) 1971-08-21 1972-08-17 Magnetic recording members

Country Status (4)

Country Link
JP (1) JPS4830403A (en)
CA (1) CA980185A (en)
DE (1) DE2240984A1 (en)
GB (1) GB1405284A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585453B2 (en) * 1978-02-10 1983-01-31 日本ビクター株式会社 magnetic recording medium
JPS5625230A (en) * 1979-08-06 1981-03-11 Sony Corp Magnetic recording medium
JPS5744223A (en) * 1980-08-28 1982-03-12 Toyo Ink Mfg Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
DE2240984A1 (en) 1973-03-01
JPS4830403A (en) 1973-04-21
GB1405284A (en) 1975-09-10

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