JPS6255207B2 - - Google Patents

Info

Publication number
JPS6255207B2
JPS6255207B2 JP58036653A JP3665383A JPS6255207B2 JP S6255207 B2 JPS6255207 B2 JP S6255207B2 JP 58036653 A JP58036653 A JP 58036653A JP 3665383 A JP3665383 A JP 3665383A JP S6255207 B2 JPS6255207 B2 JP S6255207B2
Authority
JP
Japan
Prior art keywords
film
base material
magnetic
composition
thin film
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
JP58036653A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59162622A (ja
Inventor
Kyuzo Nakamura
Yoshifumi Oota
Hiroki Yamada
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 JP58036653A priority Critical patent/JPS59162622A/ja
Priority to EP84301530A priority patent/EP0122030B1/en
Priority to DE8484301530T priority patent/DE3465647D1/de
Publication of JPS59162622A publication Critical patent/JPS59162622A/ja
Publication of JPS6255207B2 publication Critical patent/JPS6255207B2/ja
Priority to US07/412,535 priority patent/US5024854A/en
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
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP58036653A 1983-03-08 1983-03-08 垂直磁気記録体並にその製造法 Granted JPS59162622A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58036653A JPS59162622A (ja) 1983-03-08 1983-03-08 垂直磁気記録体並にその製造法
EP84301530A EP0122030B1 (en) 1983-03-08 1984-03-08 A magnetic recording member and a manufacturing method for such a member
DE8484301530T DE3465647D1 (en) 1983-03-08 1984-03-08 A magnetic recording member and a manufacturing method for such a member
US07/412,535 US5024854A (en) 1983-03-08 1989-09-22 Method of manufacturing perpendicular type magnetic recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58036653A JPS59162622A (ja) 1983-03-08 1983-03-08 垂直磁気記録体並にその製造法

Publications (2)

Publication Number Publication Date
JPS59162622A JPS59162622A (ja) 1984-09-13
JPS6255207B2 true JPS6255207B2 (en]) 1987-11-18

Family

ID=12475810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58036653A Granted JPS59162622A (ja) 1983-03-08 1983-03-08 垂直磁気記録体並にその製造法

Country Status (1)

Country Link
JP (1) JPS59162622A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS615425A (ja) * 1984-06-19 1986-01-11 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS6199924A (ja) * 1984-10-19 1986-05-19 Matsushita Electric Ind Co Ltd 磁気記録媒体
JP2579184B2 (ja) * 1987-03-30 1997-02-05 日立マクセル株式会社 磁気記録媒体
JP2546268B2 (ja) * 1987-05-22 1996-10-23 ソニー株式会社 垂直磁気記録媒体
US5792564A (en) * 1993-03-10 1998-08-11 Kabushiki Kaisha Toshiba Perpendicular recording medium and magnetic recording apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654635A (en) * 1979-10-08 1981-05-14 Nippon Telegr & Teleph Corp <Ntt> Vertical magnetic recording medium
JPS5724022A (en) * 1980-07-16 1982-02-08 Toshiba Corp Production of magnetic recording substance
JPS5832264B2 (ja) * 1980-07-25 1983-07-12 中屋商事株式会社 蝶番
JPS57113417A (en) * 1980-12-29 1982-07-14 Sony Corp Magnetic recording medium
JPS59140629A (ja) * 1983-01-31 1984-08-13 Hitachi Ltd 垂直磁気記録媒体の製造方法

Also Published As

Publication number Publication date
JPS59162622A (ja) 1984-09-13

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