DE69918439D1 - Magnetkopfwicklung, magnetkopf und magneto-optisches aufzeichnungsgerät - Google Patents

Magnetkopfwicklung, magnetkopf und magneto-optisches aufzeichnungsgerät

Info

Publication number
DE69918439D1
DE69918439D1 DE69918439T DE69918439T DE69918439D1 DE 69918439 D1 DE69918439 D1 DE 69918439D1 DE 69918439 T DE69918439 T DE 69918439T DE 69918439 T DE69918439 T DE 69918439T DE 69918439 D1 DE69918439 D1 DE 69918439D1
Authority
DE
Germany
Prior art keywords
magnetic head
magneto
recording device
optical recording
winding
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
DE69918439T
Other languages
English (en)
Other versions
DE69918439T2 (de
Inventor
Kazuyoshi Ishii
Kozo Yoshida
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69918439D1 publication Critical patent/DE69918439D1/de
Publication of DE69918439T2 publication Critical patent/DE69918439T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
    • 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
    • G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
    • G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
    • 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
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/17—Construction or disposition of windings
DE69918439T 1998-05-07 1999-04-30 Magnetkopfwicklung, magnetkopf und magneto-optisches aufzeichnungsgerät Expired - Lifetime DE69918439T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP12473698 1998-05-07
JP12473698 1998-05-07
JP25715698 1998-09-10
JP25715698 1998-09-10
JP10833799A JP3507360B2 (ja) 1998-05-07 1999-04-15 磁気ヘッド用平面コイル部品、光磁気記録用磁気ヘッドおよび光磁気記録装置
JP10833799 1999-04-15
PCT/JP1999/002318 WO1999057718A1 (fr) 1998-05-07 1999-04-30 Bobine pour tete magnetique, tete magnetique, et enregistreur magneto-optique

Publications (2)

Publication Number Publication Date
DE69918439D1 true DE69918439D1 (de) 2004-08-05
DE69918439T2 DE69918439T2 (de) 2005-08-18

Family

ID=27311209

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918439T Expired - Lifetime DE69918439T2 (de) 1998-05-07 1999-04-30 Magnetkopfwicklung, magnetkopf und magneto-optisches aufzeichnungsgerät

Country Status (9)

Country Link
US (1) US6584045B1 (de)
EP (1) EP1085505B1 (de)
JP (1) JP3507360B2 (de)
KR (1) KR100377703B1 (de)
CN (1) CN1300418A (de)
AU (1) AU3627699A (de)
DE (1) DE69918439T2 (de)
TW (1) TW468167B (de)
WO (1) WO1999057718A1 (de)

Families Citing this family (20)

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Publication number Priority date Publication date Assignee Title
JP2003051144A (ja) * 2001-08-03 2003-02-21 Fujitsu Ltd 磁気ヘッド
WO2003032307A2 (en) * 2001-10-05 2003-04-17 Koninklijke Philips Electronics N.V. Method of manufacturing a digital magneto-optical signal write/read head and write/read head manufactured according to the method
KR100438582B1 (ko) * 2001-12-24 2004-07-02 엘지전자 주식회사 광자기 기록/재생기의 슬라이더 헤드장치
JP4087849B2 (ja) * 2002-12-24 2008-05-21 富士通株式会社 光磁気記録媒体の製造方法
WO2004061837A1 (ja) 2002-12-26 2004-07-22 Fujitsu Limited 磁界発生機および光磁気情報記憶装置
JP2004227712A (ja) * 2003-01-24 2004-08-12 Canon Inc 磁気ヘッド支持機構
US7583171B2 (en) * 2003-04-25 2009-09-01 Fujitsu Limited Magnetic field generator, photomagnetic information storing system, and photomagnetic information storing apparatus
JP2005141810A (ja) * 2003-11-05 2005-06-02 Fujitsu Ltd 光磁気ヘッドおよび光磁気ディスク装置
JP2005149665A (ja) * 2003-11-19 2005-06-09 Fujitsu Ltd 光磁気ヘッドおよび光磁気ディスク装置
AU2003289046A1 (en) * 2003-12-11 2005-06-29 Fujitsu Limited Magnetooptic head
US7489597B2 (en) * 2004-09-27 2009-02-10 Sharp Kabushiki Kaisha Electromagnetic field generating element, information recording/reproducing head, and information recording/reproducing apparatus
JP4095623B2 (ja) * 2005-04-05 2008-06-04 株式会社日立製作所 磁気光融合記録装置用ヘッド及びその製造方法
JP2007323744A (ja) * 2006-06-01 2007-12-13 Funai Electric Co Ltd 光ピックアップ
KR101133397B1 (ko) * 2010-04-05 2012-04-09 삼성전기주식회사 평면형 트랜스포머 및 이의 제조 방법
JP6162505B2 (ja) * 2013-06-28 2017-07-12 東芝メディカルシステムズ株式会社 傾斜磁場コイル及び磁気共鳴イメージング装置
CN205211518U (zh) * 2013-11-28 2016-05-04 株式会社村田制作所 电磁体、相机镜头驱动装置
US20150245548A1 (en) * 2014-02-26 2015-08-27 Sparton Corporation Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials
US10070547B2 (en) * 2014-02-26 2018-09-04 Sparton Corporation Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials
CN105814653B (zh) * 2014-11-17 2018-06-22 日本梅克特隆株式会社 多件同时加工印刷布线板和线圈图案的检查方法
JP7327646B2 (ja) * 2020-03-12 2023-08-16 ヤマハ株式会社 変位センサーおよび演奏操作装置

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JPS6348603A (ja) 1986-08-15 1988-03-01 Hitachi Ltd 光磁気デイスク装置用電磁コイル
JPH02235203A (ja) * 1989-03-09 1990-09-18 Canon Inc バイアス磁界発生器
US5293360A (en) 1989-03-09 1994-03-08 Canon Kabushiki Kaisha Magnetic field generating device
JPH0384705A (ja) * 1989-08-29 1991-04-10 Canon Inc 変調磁界発生装置
JP2847564B2 (ja) 1990-04-26 1999-01-20 コニカ株式会社 光磁気記録装置
JPH0474335A (ja) * 1990-07-17 1992-03-09 Sony Corp 磁界変調型オーバーライト磁気ヘッド
JP2889411B2 (ja) 1991-10-31 1999-05-10 キヤノン株式会社 磁気ヘッド駆動装置
US5485433A (en) 1991-12-19 1996-01-16 Canon Kabushiki Kaisha Information recording method and apparatus for determining whether recording has been correctly performed
JP3188339B2 (ja) 1992-03-06 2001-07-16 キヤノン株式会社 磁気ヘッド駆動装置および光磁気記録装置
JP3139723B2 (ja) 1992-05-15 2001-03-05 キヤノン株式会社 光磁気記録装置
JP3211999B2 (ja) 1992-06-26 2001-09-25 キヤノン株式会社 光磁気記録装置
DE69321679T2 (de) 1992-08-28 1999-04-22 Canon K.K., Tokio/Tokyo Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung
JPH06195796A (ja) 1992-08-28 1994-07-15 Canon Inc 光磁気記録用磁気ヘッドおよび光磁気記録装置
JPH0684225A (ja) 1992-09-04 1994-03-25 Canon Inc 磁界発生装置の製造方法
EP0592219B1 (de) 1992-10-09 2001-07-25 Canon Kabushiki Kaisha Magnetkopf für magnetooptische Aufzeichnung und magnetooptisches Aufzeichnungsgerät
JP2980273B2 (ja) 1992-12-21 1999-11-22 キヤノン株式会社 光磁気記録装置
JP3179276B2 (ja) 1993-03-26 2001-06-25 キヤノン株式会社 磁気ヘッド駆動方法および光磁気記録方法
JPH06301914A (ja) 1993-04-14 1994-10-28 Canon Inc 磁気ヘッド用コイルの巻回方法および磁気ヘッド
JPH06309610A (ja) 1993-04-28 1994-11-04 Sony Corp 磁気ヘッド
JP3365435B2 (ja) 1993-06-23 2003-01-14 キヤノン株式会社 光磁気記録装置
JPH0863824A (ja) * 1994-06-14 1996-03-08 Canon Inc 光磁気記録用磁気ヘッド、及びその製造方法、及び光磁気記録装置
JP3542386B2 (ja) 1994-10-13 2004-07-14 キヤノン株式会社 磁気ヘッドおよび光磁気記録装置
JPH1092045A (ja) 1996-09-18 1998-04-10 Canon Inc 信号再生装置
JPH10255207A (ja) 1997-03-07 1998-09-25 Canon Inc 光磁気記録用磁気ヘッドおよび光磁気記録装置
JPH10255206A (ja) 1997-03-07 1998-09-25 Canon Inc 光磁気記録用磁気ヘッドおよびその製造方法および光磁気記録装置
JPH1186203A (ja) 1997-09-03 1999-03-30 Canon Inc 磁気ヘッド駆動装置及び光磁気記録装置
JP2000048422A (ja) * 1998-07-30 2000-02-18 Canon Inc 光磁気記録用磁気ヘッドおよび光磁気記録装置

Also Published As

Publication number Publication date
US6584045B1 (en) 2003-06-24
KR20010043348A (ko) 2001-05-25
JP3507360B2 (ja) 2004-03-15
DE69918439T2 (de) 2005-08-18
AU3627699A (en) 1999-11-23
EP1085505A1 (de) 2001-03-21
WO1999057718A1 (fr) 1999-11-11
EP1085505A4 (de) 2002-07-17
CN1300418A (zh) 2001-06-20
KR100377703B1 (ko) 2003-03-29
TW468167B (en) 2001-12-11
EP1085505B1 (de) 2004-06-30
JP2000149211A (ja) 2000-05-30

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