JPH0566646B2 - - Google Patents

Info

Publication number
JPH0566646B2
JPH0566646B2 JP58015664A JP1566483A JPH0566646B2 JP H0566646 B2 JPH0566646 B2 JP H0566646B2 JP 58015664 A JP58015664 A JP 58015664A JP 1566483 A JP1566483 A JP 1566483A JP H0566646 B2 JPH0566646 B2 JP H0566646B2
Authority
JP
Japan
Prior art keywords
magnetic
thin film
film
servo
magnetic thin
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
JP58015664A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59142744A (ja
Inventor
Masahiro Yanagisawa
Hideo Tanaka
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58015664A priority Critical patent/JPS59142744A/ja
Publication of JPS59142744A publication Critical patent/JPS59142744A/ja
Publication of JPH0566646B2 publication Critical patent/JPH0566646B2/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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
JP58015664A 1983-02-02 1983-02-02 磁気記憶体 Granted JPS59142744A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58015664A JPS59142744A (ja) 1983-02-02 1983-02-02 磁気記憶体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58015664A JPS59142744A (ja) 1983-02-02 1983-02-02 磁気記憶体

Publications (2)

Publication Number Publication Date
JPS59142744A JPS59142744A (ja) 1984-08-16
JPH0566646B2 true JPH0566646B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-22

Family

ID=11895003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58015664A Granted JPS59142744A (ja) 1983-02-02 1983-02-02 磁気記憶体

Country Status (1)

Country Link
JP (1) JPS59142744A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051288A (en) * 1989-03-16 1991-09-24 International Business Machines Corporation Thin film magnetic recording disk comprising alternating layers of a CoNi or CoPt alloy and a non-magnetic spacer layer
JPH08221734A (ja) * 1995-02-20 1996-08-30 Fujitsu Ltd 磁気記録媒体及び磁気記録装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048045B2 (ja) * 1976-08-17 1985-10-25 松下電器産業株式会社 磁気記録媒体
JPS5893B2 (ja) * 1978-12-04 1983-01-05 松下電器産業株式会社 熱転写用磁気記録媒体
JPS57149706A (en) * 1981-03-12 1982-09-16 Tdk Corp Magnetic recording medium
US4438066A (en) * 1981-06-30 1984-03-20 International Business Machines Corporation Zero to low magnetostriction, high coercivity, polycrystalline, Co-Pt magnetic recording media

Also Published As

Publication number Publication date
JPS59142744A (ja) 1984-08-16

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