JPS61120330A - 面内記録型磁気記録体 - Google Patents

面内記録型磁気記録体

Info

Publication number
JPS61120330A
JPS61120330A JP59238627A JP23862784A JPS61120330A JP S61120330 A JPS61120330 A JP S61120330A JP 59238627 A JP59238627 A JP 59238627A JP 23862784 A JP23862784 A JP 23862784A JP S61120330 A JPS61120330 A JP S61120330A
Authority
JP
Japan
Prior art keywords
film
magnetic
coercive force
magnetic recording
recording body
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
JP59238627A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0322647B2 (enExample
Inventor
Kyuzo Nakamura
久三 中村
Yoshifumi Oota
太田　賀文
Hiroki Yamada
太起 山田
Michio Ishikawa
道夫 石川
Noriaki Tani
典明 谷
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.)
Ulvac Inc
Original Assignee
Ulvac Inc
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 Ulvac Inc filed Critical Ulvac Inc
Priority to JP59238627A priority Critical patent/JPS61120330A/ja
Priority to DE8585114327T priority patent/DE3582017D1/de
Priority to EP85114327A priority patent/EP0183120B1/en
Publication of JPS61120330A publication Critical patent/JPS61120330A/ja
Priority to US07/089,022 priority patent/US5198309A/en
Publication of JPH0322647B2 publication Critical patent/JPH0322647B2/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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
    • 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
    • G11B5/706—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 composition of the magnetic material
    • G11B5/70605—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 composition of the magnetic material metals or alloys
    • G11B5/70621—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 composition of the magnetic material metals or alloys containing Co metal or alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
JP59238627A 1984-11-14 1984-11-14 面内記録型磁気記録体 Granted JPS61120330A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59238627A JPS61120330A (ja) 1984-11-14 1984-11-14 面内記録型磁気記録体
DE8585114327T DE3582017D1 (de) 1984-11-14 1985-11-11 Magnetisches aufzeichnungselement.
EP85114327A EP0183120B1 (en) 1984-11-14 1985-11-11 Magnetic recording member
US07/089,022 US5198309A (en) 1984-11-14 1987-08-24 Magnetic recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59238627A JPS61120330A (ja) 1984-11-14 1984-11-14 面内記録型磁気記録体

Publications (2)

Publication Number Publication Date
JPS61120330A true JPS61120330A (ja) 1986-06-07
JPH0322647B2 JPH0322647B2 (enExample) 1991-03-27

Family

ID=17032953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59238627A Granted JPS61120330A (ja) 1984-11-14 1984-11-14 面内記録型磁気記録体

Country Status (3)

Country Link
EP (1) EP0183120B1 (enExample)
JP (1) JPS61120330A (enExample)
DE (1) DE3582017D1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02161617A (ja) * 1988-03-15 1990-06-21 Ulvac Corp 面内記録型磁気記録体の製造方法
US4941920A (en) * 1987-11-25 1990-07-17 Hitachi Metals, Ltd. Sintered target member and method of producing same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726464A1 (de) * 1987-08-08 1989-02-16 Basf Ag Verfahren zur herstellung magnetischer aufzeichnungstraeger

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578919A (en) * 1980-06-18 1982-01-18 Toshiba Corp Manufacture of magnetic recording body
JPS5728309A (en) * 1980-07-28 1982-02-16 Tdk Corp Magnetic recording medium
JPS5812312A (ja) * 1981-07-16 1983-01-24 Akai Electric Co Ltd 磁気記録媒体用材料

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56107506A (en) * 1980-01-30 1981-08-26 Anelva Corp Magnetic thin-film
JPS5961013A (ja) * 1982-09-29 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578919A (en) * 1980-06-18 1982-01-18 Toshiba Corp Manufacture of magnetic recording body
JPS5728309A (en) * 1980-07-28 1982-02-16 Tdk Corp Magnetic recording medium
JPS5812312A (ja) * 1981-07-16 1983-01-24 Akai Electric Co Ltd 磁気記録媒体用材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941920A (en) * 1987-11-25 1990-07-17 Hitachi Metals, Ltd. Sintered target member and method of producing same
JPH02161617A (ja) * 1988-03-15 1990-06-21 Ulvac Corp 面内記録型磁気記録体の製造方法

Also Published As

Publication number Publication date
DE3582017D1 (de) 1991-04-11
EP0183120A3 (en) 1988-03-02
JPH0322647B2 (enExample) 1991-03-27
EP0183120A2 (en) 1986-06-04
EP0183120B1 (en) 1991-03-06

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