JPH0531205B2 - - Google Patents

Info

Publication number
JPH0531205B2
JPH0531205B2 JP58073531A JP7353183A JPH0531205B2 JP H0531205 B2 JPH0531205 B2 JP H0531205B2 JP 58073531 A JP58073531 A JP 58073531A JP 7353183 A JP7353183 A JP 7353183A JP H0531205 B2 JPH0531205 B2 JP H0531205B2
Authority
JP
Japan
Prior art keywords
substrate
thin film
film layer
magnetic
coercive force
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 - Lifetime
Application number
JP58073531A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59198526A (ja
Inventor
Toshiaki Izumi
Kyoshi Noguchi
Misao Kinoshita
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 JP58073531A priority Critical patent/JPS59198526A/ja
Priority to US06/603,668 priority patent/US4599280A/en
Publication of JPS59198526A publication Critical patent/JPS59198526A/ja
Publication of JPH0531205B2 publication Critical patent/JPH0531205B2/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
    • G11B5/658—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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP58073531A 1983-04-25 1983-04-26 磁気記録媒体 Granted JPS59198526A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58073531A JPS59198526A (ja) 1983-04-26 1983-04-26 磁気記録媒体
US06/603,668 US4599280A (en) 1983-04-25 1984-04-25 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58073531A JPS59198526A (ja) 1983-04-26 1983-04-26 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59198526A JPS59198526A (ja) 1984-11-10
JPH0531205B2 true JPH0531205B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-05-12

Family

ID=13520903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58073531A Granted JPS59198526A (ja) 1983-04-25 1983-04-26 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59198526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004326888A (ja) 2003-04-23 2004-11-18 Sony Corp 磁気記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54603A (en) * 1977-06-03 1979-01-06 Ulvac Corp Magnetic recording medium
JPS5683838A (en) * 1979-12-13 1981-07-08 Matsushita Electric Ind Co Ltd Magnetic recording medium and magnetic recording and reproducing device using it
JPS56143519A (en) * 1980-04-08 1981-11-09 Tdk Corp Magnetic recording medium and manufacturing device
JPS5720919A (en) * 1980-07-15 1982-02-03 Tdk Corp Magnetic recording medium and its manufacture
IT1195277B (it) * 1981-10-02 1988-10-12 Chimosa Chimica Organica Spa Piperidil derivati di composti triazinici macrociclici,aventi attivita' stabilizzante per i polimeri e processi per la loro preparazione

Also Published As

Publication number Publication date
JPS59198526A (ja) 1984-11-10

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