DE68914806D1 - Optischer Aufzeichnungsträger. - Google Patents

Optischer Aufzeichnungsträger.

Info

Publication number
DE68914806D1
DE68914806D1 DE68914806T DE68914806T DE68914806D1 DE 68914806 D1 DE68914806 D1 DE 68914806D1 DE 68914806 T DE68914806 T DE 68914806T DE 68914806 T DE68914806 T DE 68914806T DE 68914806 D1 DE68914806 D1 DE 68914806D1
Authority
DE
Germany
Prior art keywords
record carrier
optical record
optical
carrier
record
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 - Fee Related
Application number
DE68914806T
Other languages
English (en)
Other versions
DE68914806T2 (de
Inventor
Kusato Hirota
Gentaro Ohbayashi
Toshiharu Nakanishi
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE68914806D1 publication Critical patent/DE68914806D1/de
Application granted granted Critical
Publication of DE68914806T2 publication Critical patent/DE68914806T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • G11B7/00557—Erasing involving phase-change media
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2595—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on gold
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE68914806T 1988-12-16 1989-12-15 Optischer Aufzeichnungsträger. Expired - Fee Related DE68914806T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31928488 1988-12-16

Publications (2)

Publication Number Publication Date
DE68914806D1 true DE68914806D1 (de) 1994-05-26
DE68914806T2 DE68914806T2 (de) 1994-08-04

Family

ID=18108487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914806T Expired - Fee Related DE68914806T2 (de) 1988-12-16 1989-12-15 Optischer Aufzeichnungsträger.

Country Status (5)

Country Link
US (1) US5063097A (de)
EP (1) EP0373955B1 (de)
JP (1) JP3011200B2 (de)
DE (1) DE68914806T2 (de)
HK (1) HK1005326A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258972A (en) * 1990-06-25 1993-11-02 Msc Technology Corporation Magnetic damping disc for improved CD player performance
US5335219A (en) * 1991-01-18 1994-08-02 Ovshinsky Stanford R Homogeneous composition of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements
US5234737A (en) * 1991-01-28 1993-08-10 Fuji Xerox Co., Ltd. Phase change optical recording medium
JPH05151619A (ja) * 1991-10-01 1993-06-18 Ricoh Co Ltd 光情報記録媒体及び記録方法
JPH05144082A (ja) * 1991-11-26 1993-06-11 Matsushita Electric Ind Co Ltd 光記録媒体と光記録媒体用保護膜
US5362538A (en) * 1992-10-21 1994-11-08 Toray Industries, Inc. Optical recording medium
US5750228A (en) * 1993-02-22 1998-05-12 Matsushita Electric Industrial Co., Ltd. Optical information storage medium
JP3287648B2 (ja) * 1993-06-07 2002-06-04 株式会社リコー 相変化型情報記録媒体の記録同時ベリファイ方法及び相変化型情報記録ドライブ装置
JP2999916B2 (ja) * 1994-03-31 2000-01-17 ティーディーケイ株式会社 光記録方法および光記録媒体
EP0766862A1 (de) * 1994-06-23 1997-04-09 Koninklijke Philips Electronics N.V. Optische informationsträger
JPH0863785A (ja) * 1994-08-26 1996-03-08 Hitachi Ltd 光記録媒体およびそれに用いる情報処理装置
US5949751A (en) * 1995-09-07 1999-09-07 Pioneer Electronic Corporation Optical recording medium and a method for reproducing information recorded from same
US5591501A (en) * 1995-12-20 1997-01-07 Energy Conversion Devices, Inc. Optical recording medium having a plurality of discrete phase change data recording points
US6143468A (en) * 1996-10-04 2000-11-07 Mitsubishi Chemical Corporation Optical information recording medium and optical recording method
JPH11167722A (ja) * 1997-10-01 1999-06-22 Tdk Corp 光記録媒体、その記録方法およびその記録装置
KR19990042064A (ko) * 1997-11-25 1999-06-15 윤종용 귀금속 반사층을 구비한 상변화 광디스크
EP0957476B1 (de) * 1998-05-13 2005-05-11 Ricoh Company, Ltd. Optisches Aufzeichnungsmedium vom Phasenwechsel-Typ
GB9818821D0 (en) 1998-08-29 1998-10-21 Ciba Sc Holding Ag Novel monophase solid solutions
JP2002536778A (ja) * 1999-02-12 2002-10-29 ゼネラル・エレクトリック・カンパニイ データ記憶媒体
US20030157292A1 (en) * 1999-06-23 2003-08-21 Dataplay, Inc. Miniature optical disk for data storage
US6946171B1 (en) 1999-09-22 2005-09-20 Guardian Industries Corp. Vacuum IG pillar with lubricating and/or reflective coating
US7161894B2 (en) * 2001-06-21 2007-01-09 Quantum Corporation Optical recording article
DE602004014378D1 (de) * 2003-06-26 2008-07-24 Koninkl Philips Electronics Nv Phasenwechselaufzeichnungsmedium welches bei geringer geschwindigkeit löschbar und bei hoher geschwindigkeit beschreibbar ist und gerät zur verwendung eines solchen mediums
WO2005081256A1 (en) * 2004-02-19 2005-09-01 Agency For Science, Technology And Research Electrically writeable and erasable memory medium
US8828785B2 (en) * 2012-09-12 2014-09-09 International Business Machines Corporation Single-crystal phase change material on insulator for reduced cell variability

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530441A (en) * 1969-01-15 1970-09-22 Energy Conversion Devices Inc Method and apparatus for storing and retrieving information
NL8102283A (nl) * 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
NL8200415A (nl) * 1982-02-04 1983-09-01 Philips Nv Optische uitleesbare informatieschijf.
JPS59185048A (ja) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd 光学情報記録部材及び記録方法
JPS60155495A (ja) * 1984-01-26 1985-08-15 Sony Corp 光学情報記録媒体
NL8403817A (nl) * 1984-12-17 1986-07-16 Philips Nv Optisch registratie element en methode voor het registreren van informatie.
DE3671122D1 (de) * 1985-02-22 1990-06-13 Asahi Chemical Ind Informationsaufzeichnungsmedium.
CN1010519B (zh) * 1985-09-25 1990-11-21 松下电器产业株式会社 可逆的光学情报记录介质
JP2585520B2 (ja) * 1985-12-27 1997-02-26 株式会社日立製作所 相変化記録媒体
JPS62196181A (ja) * 1986-01-27 1987-08-29 Nippon Columbia Co Ltd 光情報記録媒体
JP2615627B2 (ja) * 1987-07-01 1997-06-04 松下電器産業株式会社 光学式情報記録媒体
JP2746896B2 (ja) * 1988-02-17 1998-05-06 旭化成工業株式会社 光学記録媒体

Also Published As

Publication number Publication date
EP0373955B1 (de) 1994-04-20
JP3011200B2 (ja) 2000-02-21
US5063097A (en) 1991-11-05
JPH11139000A (ja) 1999-05-25
EP0373955A1 (de) 1990-06-20
DE68914806T2 (de) 1994-08-04
HK1005326A1 (en) 1998-12-31

Similar Documents

Publication Publication Date Title
DE3769862D1 (de) Optischer informationsaufzeichnungstraeger.
DE68914806D1 (de) Optischer Aufzeichnungsträger.
FI891846A0 (fi) Optisk avbrytare.
DE68920541D1 (de) Optischer Modulator.
DE68917682D1 (de) Plattenkassette.
DE68911730D1 (de) Optisches Wiedergabegerät.
DE68915631D1 (de) Plattenkassette.
DE68913784D1 (de) Plattenkassette.
NL192639B (nl) Optisch registratiemedium.
DE69025788D1 (de) Aufzeichnungsträger
FI912295A0 (fi) Optisk hastighetsbestaemning.
DE3876717D1 (de) Optischer informationsaufzeichnungstraeger.
DE69023353D1 (de) Optischer Aufzeichnungsträger.
DE3777964D1 (de) Kartenfoermiger optischer aufzeichnungstraeger.
DE68924123D1 (de) Optischer Aufzeichnungsträger.
DE68921461D1 (de) Aufzeichnungsträgerwiedergabegerät.
DE3585847D1 (de) Optischer informationsaufzeichnungstraeger.
DE68918069D1 (de) Optischer Aufzeichnungsträger.
DE3873005D1 (de) Optischer plattenspieler.
DE68921140D1 (de) Optischer Plattenspieler.
DE3787388D1 (de) Optisches Aufzeichnungsgerät.
DE69023786D1 (de) Optischer Aufzeichnungsträger.
DE3578739D1 (de) Optischer aufzeichnungstraeger.
DE69222569D1 (de) Optischer Aufzeichnungsträger
DE3879283D1 (de) Optischer aufzeichnungstraeger.

Legal Events

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