DE3684282D1 - Magnetooptisches speicherelement. - Google Patents

Magnetooptisches speicherelement.

Info

Publication number
DE3684282D1
DE3684282D1 DE8686310145T DE3684282T DE3684282D1 DE 3684282 D1 DE3684282 D1 DE 3684282D1 DE 8686310145 T DE8686310145 T DE 8686310145T DE 3684282 T DE3684282 T DE 3684282T DE 3684282 D1 DE3684282 D1 DE 3684282D1
Authority
DE
Germany
Prior art keywords
storage element
magnetooptic storage
magnetooptic
storage
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
DE8686310145T
Other languages
English (en)
Inventor
Yoshiteru Murakami
Akira Takahashi
Hiroyuki Katayama
Kenji Ohta
Michinobu Mieda
Tomoyuki Miyake
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.)
Sharp Corp
Original Assignee
Sharp Corp
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
Priority claimed from JP29607685A external-priority patent/JPS62154249A/ja
Priority claimed from JP7634286A external-priority patent/JPS62232740A/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE3684282D1 publication Critical patent/DE3684282D1/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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
DE8686310145T 1985-12-25 1986-12-24 Magnetooptisches speicherelement. Expired - Lifetime DE3684282D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29607685A JPS62154249A (ja) 1985-12-25 1985-12-25 磁気光学記憶素子
JP7634286A JPS62232740A (ja) 1986-04-01 1986-04-01 磁気光学記憶素子

Publications (1)

Publication Number Publication Date
DE3684282D1 true DE3684282D1 (de) 1992-04-16

Family

ID=26417483

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686310145T Expired - Lifetime DE3684282D1 (de) 1985-12-25 1986-12-24 Magnetooptisches speicherelement.

Country Status (3)

Country Link
US (1) US4786559A (de)
EP (1) EP0228909B1 (de)
DE (1) DE3684282D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625590B1 (fr) * 1987-12-30 1995-05-19 Bull Sa Milieu magneto-optique d'enregistrement resistant a la corrosion en atmosphere humide
JPH0224853A (ja) * 1988-07-13 1990-01-26 Matsushita Electric Ind Co Ltd 光磁気記録媒体
US5170390A (en) * 1988-08-22 1992-12-08 Sharp Kabushiki Kaisha Optical recording element and driving system
CA1333820C (en) * 1988-09-13 1995-01-03 Masahiko Sekiya Magneto-optical recording medium
US4892634A (en) * 1988-10-03 1990-01-09 Eastman Kodak Company Method of preparing thermo-magneto-optic recording elements
JPH02223040A (ja) * 1988-11-04 1990-09-05 Fuji Photo Film Co Ltd 光磁気記録媒体
KR900008471A (ko) * 1988-11-07 1990-06-04 미다 가쓰시게 광자기 디스크
US5055353A (en) * 1989-05-16 1991-10-08 Fuji Photo Film Co., Ltd. Magneto-optical recording medium
US5914198A (en) * 1989-06-05 1999-06-22 Hitachi, Ltd. Magneto-optical recording medium having dielectric layers with different indices of refraction
US5055364A (en) * 1989-11-13 1991-10-08 Eastman Kodak Company Magnetooptical recording element
CA2038785C (en) * 1990-03-27 1998-09-29 Atsushi Oyamatsu Magneto-optical recording medium
JPH04205742A (ja) * 1990-11-29 1992-07-27 Matsushita Electric Ind Co Ltd 光磁気記録媒体
JP3292890B2 (ja) * 1992-08-10 2002-06-17 株式会社リコー 光反射放熱用材料を用いた相変化形光記録媒体
JP2960824B2 (ja) * 1992-09-30 1999-10-12 ティーディーケイ株式会社 光磁気記録媒体
EP0598377B1 (de) * 1992-11-17 1999-09-22 Mitsubishi Chemical Corporation Magnetooptischer Aufzeichnungträger und Verfahren zur Aufzeichnung und Wiedergabe von optischer Information
JPH073435A (ja) * 1993-04-22 1995-01-06 Mitsubishi Materials Corp 高耐食性Ａｇ−Ｍｇ合金、および、その薄膜
US7028347B2 (en) 2004-09-01 2006-04-18 Sanderson Dilworth D Digital electronic volume/flow control sensor toilet

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809159A (nl) * 1977-09-29 1979-04-02 Philips Nv Informatieregistratie element met kleurstof bevattende hulplaag.
JPS57195388A (en) * 1981-05-26 1982-12-01 Ricoh Co Ltd Recording medium
US4649451A (en) * 1982-09-27 1987-03-10 Canon Kabushiki Kaisha Magneto-optical recording medium having alternately-layered high and low refractive index layers
US4430252A (en) * 1982-12-10 1984-02-07 Exxon Research & Engineering Co. Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method
DE3382791T2 (de) * 1982-12-15 1995-12-07 Sharp Kk Magneto-optischer Speicher.
JPS6034133A (ja) * 1983-08-04 1985-02-21 Yojigen Soshikinou Kousanshiya:Kk 濃厚飼料の製造方法
CA1224270A (en) * 1983-09-16 1987-07-14 Junji Hirokane Magneto-optic memory element
JPS60145543A (ja) * 1984-01-06 1985-08-01 Fuji Photo Film Co Ltd 光磁気デイスク
JPS6192455A (ja) * 1984-10-11 1986-05-10 Canon Inc 光学的記録媒体
JPH0619856B2 (ja) * 1984-11-09 1994-03-16 株式会社日立製作所 情報記録媒体
JPH0697514B2 (ja) * 1985-02-21 1994-11-30 シャープ株式会社 磁気光学記憶素子
US4670345A (en) * 1985-02-22 1987-06-02 Asahi Kasei Kogyo Kabushiki Kaisha Information recording medium

Also Published As

Publication number Publication date
EP0228909A2 (de) 1987-07-15
EP0228909B1 (de) 1992-03-11
US4786559A (en) 1988-11-22
EP0228909A3 (en) 1988-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee