JPS615204B2 - - Google Patents

Info

Publication number
JPS615204B2
JPS615204B2 JP55022222A JP2222280A JPS615204B2 JP S615204 B2 JPS615204 B2 JP S615204B2 JP 55022222 A JP55022222 A JP 55022222A JP 2222280 A JP2222280 A JP 2222280A JP S615204 B2 JPS615204 B2 JP S615204B2
Authority
JP
Japan
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
JP55022222A
Other languages
Japanese (ja)
Other versions
JPS56119934A (en
Inventor
Masamitsu Kawakami
Yasuo Imaoka
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP2222280A priority Critical patent/JPS56119934A/en
Publication of JPS56119934A publication Critical patent/JPS56119934A/en
Publication of JPS615204B2 publication Critical patent/JPS615204B2/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic 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
    • G11B5/716—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 two or more magnetic layers
JP2222280A 1980-02-26 1980-02-26 Magnetic recording medium and its production Granted JPS56119934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2222280A JPS56119934A (en) 1980-02-26 1980-02-26 Magnetic recording medium and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2222280A JPS56119934A (en) 1980-02-26 1980-02-26 Magnetic recording medium and its production

Publications (2)

Publication Number Publication Date
JPS56119934A JPS56119934A (en) 1981-09-19
JPS615204B2 true JPS615204B2 (en) 1986-02-17

Family

ID=12076765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2222280A Granted JPS56119934A (en) 1980-02-26 1980-02-26 Magnetic recording medium and its production

Country Status (1)

Country Link
JP (1) JPS56119934A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58125233A (en) * 1982-01-22 1983-07-26 Masamitsu Kawakami Magnetic recording body
US4746580A (en) * 1983-03-31 1988-05-24 International Business Machines Corporation Read-only magnetic recording media
JP2008142895A (en) 2006-12-05 2008-06-26 Fujifilm Corp Mold structure
JP2008217908A (en) 2007-03-05 2008-09-18 Fuji Electric Device Technology Co Ltd Magnetic recording medium and manufacturing method therefor
EP1975703A3 (en) 2007-03-30 2008-12-03 Fujifilm Corporation Mold structure, imprinting method using the same, magnetic recording medium and production method thereof
EP1975704A3 (en) 2007-03-30 2008-12-10 Fujifilm Corporation Mold structure, imprinting method using the same, magnetic recording medium and production method thereof
JP2009117013A (en) 2007-11-09 2009-05-28 Fuji Electric Device Technology Co Ltd Method for manufacturing magnetic recording medium
JP2011070753A (en) 2009-08-27 2011-04-07 Fuji Electric Device Technology Co Ltd Method of manufacturing discrete track medium type perpendicular magnetic recording medium

Also Published As

Publication number Publication date
JPS56119934A (en) 1981-09-19

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