NL8803168A - Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze. - Google Patents

Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze. Download PDF

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Publication number
NL8803168A
NL8803168A NL8803168A NL8803168A NL8803168A NL 8803168 A NL8803168 A NL 8803168A NL 8803168 A NL8803168 A NL 8803168A NL 8803168 A NL8803168 A NL 8803168A NL 8803168 A NL8803168 A NL 8803168A
Authority
NL
Netherlands
Prior art keywords
recording
layers
layer
thickness
multilayer
Prior art date
Application number
NL8803168A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8803168A priority Critical patent/NL8803168A/nl
Priority to US07/384,587 priority patent/US5109375A/en
Priority to DE68921726T priority patent/DE68921726T2/de
Priority to ES89203214T priority patent/ES2072291T3/es
Priority to AT89203214T priority patent/ATE120025T1/de
Priority to EP89203214A priority patent/EP0376375B1/en
Priority to HU896701A priority patent/HUT55156A/hu
Priority to SU894742828A priority patent/RU2040047C1/ru
Priority to JP1331397A priority patent/JPH02263344A/ja
Priority to KR1019890019217A priority patent/KR0168626B1/ko
Priority to YU02446/89A priority patent/YU244689A/xx
Publication of NL8803168A publication Critical patent/NL8803168A/nl

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • 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
NL8803168A 1988-12-24 1988-12-24 Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze. NL8803168A (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL8803168A NL8803168A (nl) 1988-12-24 1988-12-24 Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.
US07/384,587 US5109375A (en) 1988-12-24 1989-07-24 Record carrier for thermo-magnetic recording and magneto-optical readout of information
DE68921726T DE68921726T2 (de) 1988-12-24 1989-12-18 Methode zur thermomagnetischen Aufzeichnung von Informationen und optische Wiedergabe der aufgezeichneten Informationen sowie ein Schreibelement, passend zur Verwendung bei dieser Methode.
ES89203214T ES2072291T3 (es) 1988-12-24 1989-12-18 Metodo de registro termomagnetico de informacion y de lectura de informacion almacenada, y tambien un elemento de registro adecuado para uso en este metodo.
AT89203214T ATE120025T1 (de) 1988-12-24 1989-12-18 Methode zur thermomagnetischen aufzeichnung von informationen und optische wiedergabe der aufgezeichneten informationen sowie ein schreibelement, passend zur verwendung bei dieser methode.
EP89203214A EP0376375B1 (en) 1988-12-24 1989-12-18 Method of thermomagnetic recording of information and optical read-out of the stored information, and also a recording element suitable for use in this method
HU896701A HUT55156A (en) 1988-12-24 1989-12-20 Method for thermomagnetic recording of information and for optical reading
SU894742828A RU2040047C1 (ru) 1988-12-24 1989-12-21 Носитель для термомагнитной записи и оптического воспроизведения хранимой информации и способ его изготовления
JP1331397A JPH02263344A (ja) 1988-12-24 1989-12-22 情報の熱磁気的記録と蓄積された情報の光学的読出し方法
KR1019890019217A KR0168626B1 (ko) 1988-12-24 1989-12-22 정보의 열자기적 기록 및 기억의 정보의 광학적 판독 방법과, 그 방법에 사용하기 적합한 기록 소자 및 기록 소자 제조방법
YU02446/89A YU244689A (en) 1988-12-24 1989-12-25 Process for thermo-magnetic writing of information and optical reading of saved information, and writing element suitable for use in this process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8803168A NL8803168A (nl) 1988-12-24 1988-12-24 Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.
NL8803168 1988-12-24

Publications (1)

Publication Number Publication Date
NL8803168A true NL8803168A (nl) 1990-07-16

Family

ID=19853439

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8803168A NL8803168A (nl) 1988-12-24 1988-12-24 Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.

Country Status (11)

Country Link
US (1) US5109375A (es)
EP (1) EP0376375B1 (es)
JP (1) JPH02263344A (es)
KR (1) KR0168626B1 (es)
AT (1) ATE120025T1 (es)
DE (1) DE68921726T2 (es)
ES (1) ES2072291T3 (es)
HU (1) HUT55156A (es)
NL (1) NL8803168A (es)
RU (1) RU2040047C1 (es)
YU (1) YU244689A (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5082749A (en) * 1990-03-15 1992-01-21 E. I. Du Pont De Nemours And Company Platinum or palladium/cobalt multilayer on a zinc oxide or indium oxide layer for magneto-optical recording
US5346740A (en) * 1990-09-25 1994-09-13 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
JP2903729B2 (ja) * 1990-12-20 1999-06-14 ソニー株式会社 光磁気記録媒体
JPH056820A (ja) * 1990-12-28 1993-01-14 Sony Corp 光磁気記録媒体
EP0498657A3 (en) * 1991-02-08 1993-03-03 Canon Kabushiki Kaisha Optical recording medium, method of reproducing recorded data of optical recording medium, and system for reproducing recorded data of optical recording medium
US5305300A (en) * 1991-02-13 1994-04-19 Sharp Kabushiki Kaisha Magneto optical storage device using a multi-layer film of Pt/Co laminated sections
JPH0573990A (ja) * 1991-03-07 1993-03-26 Hitachi Ltd 光記録方法、光記録再生方法、光記録材料及び光記録装置
CA2069056C (en) * 1991-05-23 1996-03-05 Kenji Ohta Magneto-optical storage device and manufacturing method thereof
JP3029485B2 (ja) * 1991-07-22 2000-04-04 キヤノン株式会社 光磁気記録媒体
JPH05198029A (ja) * 1991-09-03 1993-08-06 Philips Gloeilampenfab:Nv 光磁気記録媒体
GB9216074D0 (en) * 1992-07-28 1992-09-09 Johnson Matthey Plc Magneto-optical recording materials system
EP0762412A1 (en) * 1995-08-25 1997-03-12 Eastman Kodak Company Optical storage medium including multiple data levels made of Co/Pt magneto-optical recording media
US6243350B1 (en) * 1996-05-01 2001-06-05 Terastor Corporation Optical storage systems with flying optical heads for near-field recording and reading
EP1239307A1 (en) * 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
AT413777B (de) * 2001-03-21 2006-05-15 Clearjet Gmbh Vorrichtung zur bearbeitung blattförmiger informationsträger
US20020192506A1 (en) 2001-06-04 2002-12-19 International Business Machines Corporation `Thermal Spring' magnetic recording media for writing using magnetic and thermal gradients

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117747A (ja) * 1984-11-12 1986-06-05 Nippon Kogaku Kk <Nikon> ２層膜光磁気記録媒体
US4587176A (en) * 1985-01-14 1986-05-06 E. I. Du Pont De Nemours And Company Layered coherent structures for magnetic recording
US4731300A (en) * 1985-03-07 1988-03-15 Victor Company Of Japan, Ltd. Perpendicular magnetic recording medium and manufacturing method thereof
US4635076A (en) * 1985-03-14 1987-01-06 Minnesota Mining And Manufacturing Company Two-sided optical recording medium
US4678721A (en) * 1986-04-07 1987-07-07 U.S. Philips Corporation Magnetic recording medium
US4789606A (en) * 1986-04-17 1988-12-06 Fuji Photo Film Co., Ltd. Magneto-optical recording medium
JPH0782674B2 (ja) * 1986-11-06 1995-09-06 キヤノン株式会社 光磁気メモリ用媒体
DE3727093A1 (de) * 1987-08-14 1989-02-23 Basf Ag Flaechenfoermiges, mehrschichtiges, laseroptisches aufzeichnungsmaterial
DE3866314D1 (de) * 1987-08-26 1992-01-02 Sony Corp Magnetooptischer aufzeichnungstraeger.
JPH01149246A (ja) * 1987-12-04 1989-06-12 Sony Corp 光磁気記録媒体
EP0367685A3 (en) * 1988-10-31 1991-08-07 Eastman Kodak Company Magnetooptical recording element

Also Published As

Publication number Publication date
ES2072291T3 (es) 1995-07-16
DE68921726T2 (de) 1995-09-14
JPH02263344A (ja) 1990-10-26
EP0376375B1 (en) 1995-03-15
ATE120025T1 (de) 1995-04-15
YU244689A (en) 1990-12-31
KR900010695A (ko) 1990-07-09
KR0168626B1 (ko) 1999-03-20
EP0376375A1 (en) 1990-07-04
RU2040047C1 (ru) 1995-07-20
HU896701D0 (en) 1990-02-28
HUT55156A (en) 1991-04-29
DE68921726D1 (de) 1995-04-20
US5109375A (en) 1992-04-28

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