ATE478419T1 - Magnetooptische schaltanordnung und verfahren zum schalten eines magnetisierbaren mediums - Google Patents

Magnetooptische schaltanordnung und verfahren zum schalten eines magnetisierbaren mediums

Info

Publication number
ATE478419T1
ATE478419T1 AT06757783T AT06757783T ATE478419T1 AT E478419 T1 ATE478419 T1 AT E478419T1 AT 06757783 T AT06757783 T AT 06757783T AT 06757783 T AT06757783 T AT 06757783T AT E478419 T1 ATE478419 T1 AT E478419T1
Authority
AT
Austria
Prior art keywords
medium
switching
magnetizable medium
angular momentum
magnetizable
Prior art date
Application number
AT06757783T
Other languages
English (en)
Inventor
Theodorus Henricus Maria Rasing
Andrei Ivanovitch Kiriliouk
Alexey Voldemarovitsj Kimel
Claudiu Daniel Stanciu
Fredrik Hansteen
Akiyoshi Itoh
Arata Tsukamoto
Original Assignee
Stichting Katholieke Univ
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 Stichting Katholieke Univ filed Critical Stichting Katholieke Univ
Application granted granted Critical
Publication of ATE478419T1 publication Critical patent/ATE478419T1/de

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Classifications

    • 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
    • G11B11/10532—Heads
    • G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
    • G11B11/10539—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording using electromagnetic beams, e.g. polarised light
    • 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
    • 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
    • G11B11/10506—Recording by modulating only the light beam of the transducer
    • 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
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • 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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • 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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
    • G11B11/10589—Details
    • G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
AT06757783T 2006-05-24 2006-05-24 Magnetooptische schaltanordnung und verfahren zum schalten eines magnetisierbaren mediums ATE478419T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2006/000264 WO2007136243A1 (en) 2006-05-24 2006-05-24 Magneto-optical switching device and method for switching a magnetizable medium

Publications (1)

Publication Number Publication Date
ATE478419T1 true ATE478419T1 (de) 2010-09-15

Family

ID=37460074

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06757783T ATE478419T1 (de) 2006-05-24 2006-05-24 Magnetooptische schaltanordnung und verfahren zum schalten eines magnetisierbaren mediums

Country Status (10)

Country Link
US (2) US8054713B2 (de)
EP (1) EP2030202B1 (de)
JP (1) JP5732194B2 (de)
KR (1) KR101276501B1 (de)
CN (1) CN101529514B (de)
AT (1) ATE478419T1 (de)
CA (1) CA2653437C (de)
DE (1) DE602006016347D1 (de)
IL (1) IL195450A (de)
WO (1) WO2007136243A1 (de)

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US8463091B2 (en) 2007-10-15 2013-06-11 Telescent Inc. Methods to reconfigure all-fiber optical cross-connects
CN102119473B (zh) 2008-06-09 2012-07-04 惠普开发有限公司 用于光学信号路由的圆柱形谐振器
DE102010003811A1 (de) 2010-04-09 2011-10-13 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Verfahren und Anordnung zur Manipulation von in einem magnetischen Medium gespeicherten Domäneninformationen
JP5812380B2 (ja) * 2010-07-16 2015-11-11 学校法人日本大学 情報記録ヘッド、情報記録装置、情報記録方法及び光デバイス
WO2012019806A1 (de) * 2010-08-12 2012-02-16 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Verfahren und anordnung zur anregung von spinwellen in magnetischen festkörpern
US9103729B1 (en) * 2011-09-30 2015-08-11 Seagate Technology Llc Method and apparatus for determining curie temperature distribution of a sample of magnetic material
RU2510084C1 (ru) * 2012-08-29 2014-03-20 Общество с ограниченной ответственностью "Росбиоквант", (ООО "Росбиоквант") Способ записи и воспроизведения информации
WO2014102728A1 (en) 2012-12-26 2014-07-03 Kalyoncu Yemliha Bilal A three dimensional opto-magnetic data storage system and method
US9280996B2 (en) * 2013-12-13 2016-03-08 HGST Netherlands B.V. All-optical magnetic recording system using FeMnPt media
US10345526B2 (en) * 2014-12-14 2019-07-09 Telescent Inc. High reliability robotic cross-connect systems
US9916868B1 (en) 2015-05-22 2018-03-13 Seagate Technology Llc Heat-assisted rotating disk magnetometer for ultra-high anisotropy magnetic measurements
US9336832B1 (en) 2015-05-22 2016-05-10 Seagate Technology Llc Heat-assisted rotating disk magnetometer for ultra-high anisotropy magnetic measurements
CN106969534A (zh) * 2017-03-24 2017-07-21 张模辉 一种光磁转换系统及方法
JPWO2022124205A1 (de) 2020-12-08 2022-06-16

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EP0316188A3 (de) 1987-11-12 1990-10-31 MOVID Information Technology, Inc. Verfahren und Vorrichtung zum gleizeitigen Löschen und erneutem Einschreiben von digitalen Daten in ein magnetooptisches Speichermedium mit Verfahren zum gleichzeitigen streifenweisen Löschen und Einschreiben verlängerter Domänen und ein einzelköpfiges magnetooptisches Verfahren zum gleichzeitigen Löschen und Einschreiben
JP2636957B2 (ja) * 1990-08-10 1997-08-06 シャープ株式会社 磁気記録再生装置
JP3079795B2 (ja) * 1992-09-18 2000-08-21 株式会社日立製作所 光記録再生装置、光ピックアップおよびレ−ザ光源
JPH08250331A (ja) * 1995-03-08 1996-09-27 Toshiba Corp 磁性体の磁化方向制御方法およびそれを利用した磁気デバイス
JP3207094B2 (ja) * 1995-08-21 2001-09-10 松下電器産業株式会社 磁気抵抗効果素子及びメモリー素子
US6388912B1 (en) 2000-03-30 2002-05-14 Intel Corporation Quantum magnetic memory
JP2002097099A (ja) * 2000-09-21 2002-04-02 Rikogaku Shinkokai 円偏光励起磁性半導体およびそれを用いた光記録媒体
JP4350312B2 (ja) * 2001-01-12 2009-10-21 キヤノン株式会社 磁壁移動型光磁気記録媒体および情報再生方法
JP2005317178A (ja) * 2004-03-29 2005-11-10 Sharp Corp 記録再生装置、記録媒体、記録再生装置の駆動方法、半導体レーザの寿命予測方法、プログラム、プログラム記録媒体、半導体レーザ
KR100725387B1 (ko) 2004-08-24 2007-06-08 삼성전자주식회사 데이터 방송에서의 전송 코드 세트 시그널링 방법 및 장치
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Also Published As

Publication number Publication date
IL195450A0 (en) 2009-08-03
CN101529514A (zh) 2009-09-09
CN101529514B (zh) 2013-01-23
EP2030202A1 (de) 2009-03-04
DE602006016347D1 (de) 2010-09-30
CA2653437C (en) 2014-07-15
US20120257483A1 (en) 2012-10-11
US8054713B2 (en) 2011-11-08
WO2007136243A1 (en) 2007-11-29
EP2030202B1 (de) 2010-08-18
US20110058458A1 (en) 2011-03-10
KR20090086904A (ko) 2009-08-14
CA2653437A1 (en) 2007-11-29
JP2009538490A (ja) 2009-11-05
KR101276501B1 (ko) 2013-06-18
JP5732194B2 (ja) 2015-06-10
US8345516B2 (en) 2013-01-01
IL195450A (en) 2013-11-28

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