JPS5979428A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS5979428A
JPS5979428A JP19019082A JP19019082A JPS5979428A JP S5979428 A JPS5979428 A JP S5979428A JP 19019082 A JP19019082 A JP 19019082A JP 19019082 A JP19019082 A JP 19019082A JP S5979428 A JPS5979428 A JP S5979428A
Authority
JP
Japan
Prior art keywords
magnetic recording
recording medium
polyurethane resin
resin
magnetic
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.)
Granted
Application number
JP19019082A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0456369B2 (enExample
Inventor
Tsumoru Ohata
積 大畠
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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP19019082A priority Critical patent/JPS5979428A/ja
Publication of JPS5979428A publication Critical patent/JPS5979428A/ja
Publication of JPH0456369B2 publication Critical patent/JPH0456369B2/ja
Granted 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP19019082A 1982-10-29 1982-10-29 磁気記録媒体 Granted JPS5979428A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19019082A JPS5979428A (ja) 1982-10-29 1982-10-29 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19019082A JPS5979428A (ja) 1982-10-29 1982-10-29 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5979428A true JPS5979428A (ja) 1984-05-08
JPH0456369B2 JPH0456369B2 (enExample) 1992-09-08

Family

ID=16253944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19019082A Granted JPS5979428A (ja) 1982-10-29 1982-10-29 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5979428A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994028544A1 (en) * 1993-05-24 1994-12-08 Tdk Corporation Magnetic recording medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51118403A (en) * 1975-04-10 1976-10-18 Sony Corp Magnetic recording media
JPS5740743A (en) * 1980-08-23 1982-03-06 Sony Corp Magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51118403A (en) * 1975-04-10 1976-10-18 Sony Corp Magnetic recording media
JPS5740743A (en) * 1980-08-23 1982-03-06 Sony Corp Magnetic recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994028544A1 (en) * 1993-05-24 1994-12-08 Tdk Corporation Magnetic recording medium
US5451464A (en) * 1993-05-24 1995-09-19 Tdk Corporation Magnetic recording medium having a magnetic layer comprising ferromagnetic powders and binder which is two polyurethane resins with specified glass transition temperatures

Also Published As

Publication number Publication date
JPH0456369B2 (enExample) 1992-09-08

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