JPH0559497B2 - - Google Patents

Info

Publication number
JPH0559497B2
JPH0559497B2 JP59223238A JP22323884A JPH0559497B2 JP H0559497 B2 JPH0559497 B2 JP H0559497B2 JP 59223238 A JP59223238 A JP 59223238A JP 22323884 A JP22323884 A JP 22323884A JP H0559497 B2 JPH0559497 B2 JP H0559497B2
Authority
JP
Japan
Prior art keywords
recording medium
magneto
magnetic field
external magnetic
magnetization
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
JP59223238A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61104442A (ja
Inventor
Sotaro Edokoro
Mitsuya Okada
Hisanori Bando
Takahito Terajima
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 JP59223238A priority Critical patent/JPS61104442A/ja
Publication of JPS61104442A publication Critical patent/JPS61104442A/ja
Publication of JPH0559497B2 publication Critical patent/JPH0559497B2/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
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
JP59223238A 1984-10-24 1984-10-24 光磁気記録媒体と光磁気記録方法 Granted JPS61104442A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59223238A JPS61104442A (ja) 1984-10-24 1984-10-24 光磁気記録媒体と光磁気記録方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59223238A JPS61104442A (ja) 1984-10-24 1984-10-24 光磁気記録媒体と光磁気記録方法

Publications (2)

Publication Number Publication Date
JPS61104442A JPS61104442A (ja) 1986-05-22
JPH0559497B2 true JPH0559497B2 (enrdf_load_stackoverflow) 1993-08-31

Family

ID=16794961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59223238A Granted JPS61104442A (ja) 1984-10-24 1984-10-24 光磁気記録媒体と光磁気記録方法

Country Status (1)

Country Link
JP (1) JPS61104442A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746444B2 (ja) * 1986-02-10 1995-05-17 キヤノン株式会社 光磁気メモリ用媒体及び該媒体を使用した記録方法
EP1768840B1 (en) * 2004-07-13 2014-09-03 The Regents of The University of California Exchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storage
CN111902867B (zh) * 2018-03-29 2022-07-29 国立大学法人东京大学 记录方法、记录装置、再生方法、再生装置、以及高速响应元件

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154339A (ja) * 1984-01-23 1985-08-14 Ricoh Co Ltd 光磁気記録媒体

Also Published As

Publication number Publication date
JPS61104442A (ja) 1986-05-22

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