HK1033381A1 - Multi-layered optical disc. - Google Patents

Multi-layered optical disc.

Info

Publication number
HK1033381A1
HK1033381A1 HK01102136A HK01102136A HK1033381A1 HK 1033381 A1 HK1033381 A1 HK 1033381A1 HK 01102136 A HK01102136 A HK 01102136A HK 01102136 A HK01102136 A HK 01102136A HK 1033381 A1 HK1033381 A1 HK 1033381A1
Authority
HK
Hong Kong
Prior art keywords
optical disc
layered optical
layered
disc
optical
Prior art date
Application number
HK01102136A
Other languages
English (en)
Inventor
Koichi Yasuda
Kotaro Kurokawa
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK1033381A1 publication Critical patent/HK1033381A1/xx

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
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording 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
    • 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
    • G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
    • 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
    • G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
    • 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
    • G11B7/242—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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/2432—Oxygen
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24322—Nitrogen
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24324—Sulfur
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
HK01102136A 1999-02-12 2001-03-23 Multi-layered optical disc. HK1033381A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11035086A JP2000235732A (ja) 1999-02-12 1999-02-12 多層光ディスク

Publications (1)

Publication Number Publication Date
HK1033381A1 true HK1033381A1 (en) 2001-08-24

Family

ID=12432166

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01102136A HK1033381A1 (en) 1999-02-12 2001-03-23 Multi-layered optical disc.

Country Status (8)

Country Link
EP (1) EP1028421A3 (xx)
JP (1) JP2000235732A (xx)
KR (1) KR100770078B1 (xx)
CN (1) CN1172303C (xx)
HK (1) HK1033381A1 (xx)
ID (1) ID24789A (xx)
SG (1) SG92675A1 (xx)
TW (1) TW473711B (xx)

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EP1065663A3 (en) * 1999-06-30 2002-02-06 Sony Corporation Optical recording medium
US7065035B1 (en) * 1999-10-25 2006-06-20 Matsushita Electric Industrial Co., Ltd. Optical multilayer disk, multiwavelength light source, and optical system using them
EP1189216B1 (en) * 1999-12-21 2010-02-10 Panasonic Corporation Optical information recording medium, method of recording and reproducing, and optical recording and reproducing system
JP2001319370A (ja) * 2000-05-11 2001-11-16 Nec Corp 相変化光ディスク
JP2002230828A (ja) * 2001-01-31 2002-08-16 Pioneer Electronic Corp 情報記録媒体
EP1251499A3 (en) * 2001-03-28 2006-10-25 TDK Corporation Readout method and apparatus for optical information medium
JP4814476B2 (ja) 2001-04-20 2011-11-16 Ｔｄｋ株式会社 光情報媒体の再生方法
JP2002352469A (ja) * 2001-05-25 2002-12-06 Pioneer Electronic Corp 多層情報記録媒体及び情報記録再生装置
DE60222306T2 (de) * 2001-10-12 2008-01-03 Matsushita Electric Industrial Co., Ltd., Kadoma Verfahren zum Bestimmen einer Änderung des Durchlassgrades eines optischen Informationsaufzeichnungsmediums
CN1221962C (zh) * 2002-04-26 2005-10-05 Tdk股份有限公司 光记录介质和在其中对数据进行光记录的方法
CN1220195C (zh) 2002-04-30 2005-09-21 Tdk股份有限公司 光学记录媒体以及在其上光学记录数据的方法
JP4106417B2 (ja) * 2002-05-16 2008-06-25 三星電子株式会社 高融点の記録層を有する記録媒体及びその記録媒体の情報記録方法、及びその記録媒体から情報を再生する情報再生装置及び情報再生方法
US7231649B2 (en) 2002-05-31 2007-06-12 Tdk Corporation Optical recording medium and method for optically recording data in the same
AU2007200467B2 (en) * 2002-06-05 2009-07-30 Lg Electronics Inc. High-density dual-layer optical disc
JP4059714B2 (ja) 2002-07-04 2008-03-12 Ｔｄｋ株式会社 光記録媒体
EP1563493A1 (en) * 2002-11-06 2005-08-17 Koninklijke Philips Electronics N.V. Multi-stack optical data storage medium and use of such medium
US7781146B2 (en) 2002-11-22 2010-08-24 Tdk Corporation Optical recording medium
JP2005044438A (ja) 2003-07-22 2005-02-17 Tdk Corp 光記録ディスク
JP2005044395A (ja) 2003-07-23 2005-02-17 Tdk Corp 光情報記録媒体
JP2005071402A (ja) 2003-08-25 2005-03-17 Tdk Corp 光情報記録媒体
JP4342930B2 (ja) * 2003-12-25 2009-10-14 株式会社東芝 光ディスク装置及びその制御方法及び記録媒体
WO2005124759A1 (en) * 2004-06-21 2005-12-29 D.M.S. - Dynamic Media Solutions Ltd. Optical implants for preventing replication of original media
JP4437727B2 (ja) * 2004-09-09 2010-03-24 株式会社リコー 光記録媒体
JP2006269040A (ja) 2005-02-28 2006-10-05 Sharp Corp 光情報記録媒体、及び光情報記録媒体再生装置
JP2010003357A (ja) 2008-06-20 2010-01-07 Hitachi Ltd 多層光ディスク、多層光ディスク記録装置および多層光ディスク再生装置
CN104157298B (zh) * 2014-07-16 2017-07-14 中国科学院上海光学精密机械研究所 荧光读出的可擦重写相变光盘
CN104868053B (zh) * 2015-04-30 2017-08-25 宁波大学 一种用于相变存储器的Ge‑Sb‑Te‑Se薄膜材料及其制备方法
CN106611814B (zh) * 2015-10-23 2020-05-05 中国科学院上海微系统与信息技术研究所 用于相变存储器的相变材料及其制备方法
CN107768518B (zh) * 2017-08-31 2019-11-12 江苏理工学院 一种用于相变存储器的Al/Ge10Sb90类超晶格相变薄膜材料及制备方法
CN108987567A (zh) * 2018-06-05 2018-12-11 深圳大学 相变超晶格薄膜、相变存储器单元及其制备方法
CN109326308A (zh) * 2018-09-17 2019-02-12 中国科学院上海光学精密机械研究所 多层三维光信息存储体的制造方法及读取方法
CN110148668B (zh) * 2019-05-31 2022-05-17 中国科学院上海微系统与信息技术研究所 Al-Sc-Sb-Te相变材料、相变存储器单元及其制备方法
CN111244271B (zh) * 2020-01-19 2021-12-21 中国科学院上海微系统与信息技术研究所 一种相变材料、相变存储器单元及其制备方法

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JPH06282876A (ja) * 1993-03-29 1994-10-07 Matsushita Electric Ind Co Ltd 光記録媒体
JP2850754B2 (ja) * 1994-05-20 1999-01-27 日本電気株式会社 相変化型光ディスク
JPH0963120A (ja) * 1995-08-25 1997-03-07 Sony Corp 光学記録媒体
EP0800699A1 (en) * 1995-10-13 1997-10-15 Koninklijke Philips Electronics N.V. Optical registration medium with dual information layer
JPH09198709A (ja) * 1996-01-23 1997-07-31 Sony Corp 多層光ディスク及び記録再生装置
TW414892B (en) * 1996-05-28 2000-12-11 Ibm Optical data storage system with multiple rewriteable phase-change recording layers
JPH1097735A (ja) * 1996-09-20 1998-04-14 Nec Corp 光学的情報記録媒体
JP3472669B2 (ja) * 1996-10-24 2003-12-02 シャープ株式会社 相変化型光記録媒体及びその読み出し方法
JP3255051B2 (ja) * 1996-12-05 2002-02-12 三菱化学株式会社 光学的情報記録用媒体
DE69733642T2 (de) * 1996-12-24 2006-05-18 Koninklijke Philips Electronics N.V. Optisches aufzeichnungsmedium mit phasenwechsel-aufzeichnungsschicht

Also Published As

Publication number Publication date
ID24789A (id) 2000-08-16
KR100770078B1 (ko) 2007-10-24
EP1028421A2 (en) 2000-08-16
TW473711B (en) 2002-01-21
CN1172303C (zh) 2004-10-20
SG92675A1 (en) 2002-11-19
JP2000235732A (ja) 2000-08-29
EP1028421A3 (en) 2000-11-29
KR20000058011A (ko) 2000-09-25
CN1268743A (zh) 2000-10-04

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140204