ATE128783T1 - Magneto-optische speichermediumstrukturen. - Google Patents

Magneto-optische speichermediumstrukturen.

Info

Publication number
ATE128783T1
ATE128783T1 AT90123487T AT90123487T ATE128783T1 AT E128783 T1 ATE128783 T1 AT E128783T1 AT 90123487 T AT90123487 T AT 90123487T AT 90123487 T AT90123487 T AT 90123487T AT E128783 T1 ATE128783 T1 AT E128783T1
Authority
AT
Austria
Prior art keywords
magneto
storage medium
optical storage
medium structures
sio2
Prior art date
Application number
AT90123487T
Other languages
English (en)
Inventor
Christopher Vincent Jahnes
Fletcher Jones
Joseph Skinner Logan
Michael Allen Russak
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE128783T1 publication Critical patent/ATE128783T1/de

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
    • 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

Landscapes

  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Holo Graphy (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Glass Compositions (AREA)
AT90123487T 1990-01-31 1990-12-07 Magneto-optische speichermediumstrukturen. ATE128783T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47301390A 1990-01-31 1990-01-31

Publications (1)

Publication Number Publication Date
ATE128783T1 true ATE128783T1 (de) 1995-10-15

Family

ID=23877828

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90123487T ATE128783T1 (de) 1990-01-31 1990-12-07 Magneto-optische speichermediumstrukturen.

Country Status (6)

Country Link
US (1) US6214482B1 (de)
EP (1) EP0439737B1 (de)
JP (1) JP2558011B2 (de)
AT (1) ATE128783T1 (de)
CA (1) CA2032866C (de)
DE (1) DE69022841T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07169127A (ja) * 1993-10-01 1995-07-04 Minnesota Mining & Mfg Co <3M> 非晶質希土類酸化物
US6243350B1 (en) * 1996-05-01 2001-06-05 Terastor Corporation Optical storage systems with flying optical heads for near-field recording and reading
US6579425B2 (en) * 2001-07-16 2003-06-17 Sharp Laboratories Of America, Inc. System and method for forming base coat and thin film layers by sequential sputter depositing
US7706103B2 (en) 2006-07-25 2010-04-27 Seagate Technology Llc Electric field assisted writing using a multiferroic recording media

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268369A (en) 1977-07-18 1981-05-19 Ampex Corporation Process of making silicon dioxide films for use as wear resistant coatings in video and digital magnetic recording
JPS5761553A (en) * 1980-09-25 1982-04-14 Toray Industries Laminated film
US4810868A (en) * 1985-08-06 1989-03-07 Drexler Technology Corporation Frasable optical wallet-size data card
US4569881A (en) 1983-05-17 1986-02-11 Minnesota Mining And Manufacturing Company Multi-layer amorphous magneto optical recording medium
JPS6042247A (ja) * 1983-08-16 1985-03-06 Asahi Glass Co Ltd 低膨張性ガラス
CA1224270A (en) * 1983-09-16 1987-07-14 Junji Hirokane Magneto-optic memory element
US4680742A (en) * 1984-07-07 1987-07-14 Kyocera Corporation Magneto-optical recording element
JPS6134747A (ja) * 1984-07-27 1986-02-19 Hitachi Ltd 光磁気多層膜媒体
JPS6150236A (ja) * 1984-08-18 1986-03-12 Canon Inc 磁気記録媒体の製造方法
JPS61131224A (ja) * 1984-11-30 1986-06-18 Toshiba Corp 磁気記録媒体
DE3686530T2 (de) * 1985-06-18 1993-04-08 Daicel Chem Aufzeichnungstraeger, versehen mit hochdichter information.
JPS621112A (ja) 1985-06-26 1987-01-07 Hitachi Maxell Ltd 磁気記録媒体
JPH0777044B2 (ja) * 1985-07-24 1995-08-16 ダイセル化学工業株式会社 光磁気デイスク
JPS62175949A (ja) * 1985-10-15 1987-08-01 Nippon Kogaku Kk <Nikon> 複合酸化物で保護された光磁気記録媒体
KR920010028B1 (ko) * 1986-04-10 1992-11-13 세이꼬 엡슨 가부시끼가이샤 광기록 매체
JPS62267944A (ja) * 1986-05-16 1987-11-20 Hitachi Ltd 磁気記録媒体
JPS62289946A (ja) * 1986-06-09 1987-12-16 Konica Corp 光磁気記録媒体
JPS6352351A (ja) * 1986-08-22 1988-03-05 Nippon Telegr & Teleph Corp <Ntt> 保護膜部材及びそれを用いた光磁気デイスク媒体
US4849304A (en) * 1986-12-17 1989-07-18 Tdk Corporation Optical recording medium
JP2523291B2 (ja) * 1986-12-17 1996-08-07 ティーディーケイ株式会社 光記録媒体
JPS63171455A (ja) * 1987-01-09 1988-07-15 Toyobo Co Ltd 光磁気記録媒体用保護膜
JP2509291B2 (ja) * 1988-01-21 1996-06-19 日本板硝子株式会社 ガラス基板
EP0368194B1 (de) * 1988-11-07 1998-06-17 Hitachi, Ltd. Magneto-optisches Speichermedium
JPH02226531A (ja) * 1989-02-27 1990-09-10 Hitachi Ltd 光デイスクの構造
US5192626A (en) * 1988-12-14 1993-03-09 Teijin Limited Optical recording medium

Also Published As

Publication number Publication date
EP0439737B1 (de) 1995-10-04
DE69022841T2 (de) 1996-05-30
US6214482B1 (en) 2001-04-10
CA2032866C (en) 1994-09-06
CA2032866A1 (en) 1991-08-01
JP2558011B2 (ja) 1996-11-27
EP0439737A1 (de) 1991-08-07
JPH03242843A (ja) 1991-10-29
DE69022841D1 (de) 1995-11-09

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee