KR910002755B1 - 부상형 자기헤드를 가지는 광자기 기억장치 - Google Patents

부상형 자기헤드를 가지는 광자기 기억장치 Download PDF

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KR910002755B1
KR910002755B1 KR1019880001464A KR880001464A KR910002755B1 KR 910002755 B1 KR910002755 B1 KR 910002755B1 KR 1019880001464 A KR1019880001464 A KR 1019880001464A KR 880001464 A KR880001464 A KR 880001464A KR 910002755 B1 KR910002755 B1 KR 910002755B1
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South Korea
Prior art keywords
magneto
recording
optical
magnetic field
head
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Expired
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KR1019880001464A
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English (en)
Korean (ko)
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KR880011753A (ko
Inventor
다게시 나가오
마사히로 오지마
요시노리 미야무라
도요지 오구와기
요우이지 가와구보
요시노리 다게우지
유우소우 야마구찌
Original Assignee
가부시기가이샤 히다찌세이사꾸쇼
미다 가쓰시게
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Publication of KR880011753A publication Critical patent/KR880011753A/ko
Application granted granted Critical
Publication of KR910002755B1 publication Critical patent/KR910002755B1/ko
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    • 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
    • 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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • G11B11/10504—Recording
    • G11B11/10508—Recording by modulating only the magnetic field at the transducer
    • 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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • G11B11/10517—Overwriting or erasing
    • 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
    • G11B11/10532—Heads
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/1058—Flying heads
KR1019880001464A 1987-03-06 1988-02-15 부상형 자기헤드를 가지는 광자기 기억장치 Expired KR910002755B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62050040A JP2575687B2 (ja) 1987-03-06 1987-03-06 光磁気記憶装置
JP87-50040 1987-03-06
JP62-50040 1987-03-06

Publications (2)

Publication Number Publication Date
KR880011753A KR880011753A (ko) 1988-10-31
KR910002755B1 true KR910002755B1 (ko) 1991-05-04

Family

ID=12847886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880001464A Expired KR910002755B1 (ko) 1987-03-06 1988-02-15 부상형 자기헤드를 가지는 광자기 기억장치

Country Status (3)

Country Link
JP (1) JP2575687B2 (enrdf_load_stackoverflow)
KR (1) KR910002755B1 (enrdf_load_stackoverflow)
DE (1) DE3804733A1 (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69031395T2 (de) 1989-02-23 1998-01-15 Fuji Photo Film Co Ltd Harzzusammensetzung und Verpackungsmaterial für lichtempfindliches Material
JPH02226563A (ja) * 1989-02-27 1990-09-10 Hitachi Ltd 高浮上磁気ヘッド
DE69019860T2 (de) * 1989-03-31 1995-12-14 Hitachi Ltd Magnettooptisches Aufzeichnungsgerät.
US5321672A (en) * 1989-04-19 1994-06-14 Hitachi, Ltd. Method of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domains
JP2746306B2 (ja) * 1989-05-26 1998-05-06 キヤノン株式会社 光磁気記録再生装置
JPH0340250A (ja) * 1989-07-06 1991-02-21 Matsushita Electric Ind Co Ltd 光磁気ディスクおよび光磁気ディスク装置
US5172364A (en) * 1989-08-01 1992-12-15 Mitsubishi Denki Kabushiki Kaisha Magneto-optic recording apparatus with controlled magnetic field generation
JP2574903B2 (ja) * 1989-10-11 1997-01-22 シャープ株式会社 光磁気記録装置
JP2730223B2 (ja) * 1989-11-15 1998-03-25 松下電器産業株式会社 光磁気ディスク
JP2730224B2 (ja) * 1989-11-15 1998-03-25 松下電器産業株式会社 光磁気ディスク
JPH0775042B2 (ja) * 1990-06-13 1995-08-09 シャープ株式会社 光磁気記録再生装置
EP0592219B1 (en) * 1992-10-09 2001-07-25 Canon Kabushiki Kaisha Magnetic head for magneto-optical recording, and magneto-optical recording apparatus
JPH07176103A (ja) * 1993-12-20 1995-07-14 Canon Inc 光磁気記録再生システムならびにこれに用いる磁気ヘッド及び光磁気記録媒体
JP2827869B2 (ja) * 1993-12-28 1998-11-25 日本電気株式会社 光磁気記録媒体の再生方法
JP2658866B2 (ja) * 1994-03-04 1997-09-30 株式会社日立製作所 光磁気記憶方法
US6404705B1 (en) 1997-03-14 2002-06-11 Hitachi Maxell, Ltd. Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads
KR100708097B1 (ko) * 2000-07-24 2007-04-16 삼성전자주식회사 스윙암 구동방식의 광기록재생장치 및 이광기록재생장치에 적용되는 광디스크

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH065585B2 (ja) * 1984-02-15 1994-01-19 株式会社日立製作所 光磁気記憶装置
JPH0648806B2 (ja) * 1985-10-09 1994-06-22 松下電器産業株式会社 信号多重装置

Also Published As

Publication number Publication date
KR880011753A (ko) 1988-10-31
DE3804733C2 (enrdf_load_stackoverflow) 1992-08-06
JPS63217548A (ja) 1988-09-09
DE3804733A1 (de) 1988-09-15
JP2575687B2 (ja) 1997-01-29

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