DE60139298D1 - Optisches Informationsaufzeichnungsmedium, das mehrere Informationsaufzeichnungsschichten enthält - Google Patents

Optisches Informationsaufzeichnungsmedium, das mehrere Informationsaufzeichnungsschichten enthält

Info

Publication number
DE60139298D1
DE60139298D1 DE60139298T DE60139298T DE60139298D1 DE 60139298 D1 DE60139298 D1 DE 60139298D1 DE 60139298 T DE60139298 T DE 60139298T DE 60139298 T DE60139298 T DE 60139298T DE 60139298 D1 DE60139298 D1 DE 60139298D1
Authority
DE
Germany
Prior art keywords
information recording
medium containing
recording medium
optical information
recording layers
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
DE60139298T
Other languages
English (en)
Inventor
Takanori Maeda
Ikuya Kikuchi
Makoto Sato
Katsuhiro Koike
Yoshitsugu Araki
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60139298D1 publication Critical patent/DE60139298D1/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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/139—Numerical aperture control means
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
DE60139298T 2000-12-01 2001-11-26 Optisches Informationsaufzeichnungsmedium, das mehrere Informationsaufzeichnungsschichten enthält Expired - Lifetime DE60139298D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000366668A JP2002170276A (ja) 2000-12-01 2000-12-01 光学式多層情報記録媒体

Publications (1)

Publication Number Publication Date
DE60139298D1 true DE60139298D1 (de) 2009-09-03

Family

ID=18837247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139298T Expired - Lifetime DE60139298D1 (de) 2000-12-01 2001-11-26 Optisches Informationsaufzeichnungsmedium, das mehrere Informationsaufzeichnungsschichten enthält

Country Status (4)

Country Link
US (1) US6667947B2 (de)
EP (1) EP1213714B1 (de)
JP (1) JP2002170276A (de)
DE (1) DE60139298D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4099953B2 (ja) * 2001-03-23 2008-06-11 ソニー株式会社 書換え型の多層光ディスク
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
EP2015301A1 (de) * 2002-06-05 2009-01-14 LG Electronics Inc. Hochdichte doppelschichtige optische Platte
AU2003241115A1 (en) * 2002-06-14 2003-12-31 Koninklijke Philips Electronics N.V. Optical data storage medium and use of such medium
EP1570466B1 (de) * 2002-08-29 2009-01-07 Koninklijke Philips Electronics N.V. Optisches mehrstapel-datenspeichermedium und verwendung eines solchen mediums
JP3793770B2 (ja) * 2003-08-22 2006-07-05 株式会社リコー 媒体特性規定方法
JP2007503664A (ja) * 2003-08-26 2007-02-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光走査装置
US7369469B2 (en) * 2003-09-02 2008-05-06 Matsushita Electric Industrial Co., Ltd. Laser power control apparatus and method, an optical disk apparatus and a recording method
JP4276516B2 (ja) * 2003-10-20 2009-06-10 パイオニア株式会社 多層光記録媒体および光ピックアップ装置
DE602005022702D1 (de) * 2004-05-11 2010-09-16 Panasonic Corp Wobble-informations-aufzeichnungsverfahren, informations-aufzeichnungsmedium und aufzeichnungs- und wiedergabeverfahren und -vorrichtung dafür
DE602005013057D1 (de) * 2005-01-31 2009-04-16 Ricoh Kk Optisches Aufzeichnungsmedium mit unterschiedlicher optischer Absorption der beiden Aufzeichnungsschichten
JP4737518B2 (ja) * 2005-05-23 2011-08-03 Ｎｅｃトーキン株式会社 Ｔｉ−Ｎｉ−Ｎｂ合金素子
JP5143342B2 (ja) * 2005-05-23 2013-02-13 Ｎｅｃトーキン株式会社 自律機能性ステント

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
US5449590A (en) * 1991-06-04 1995-09-12 International Business Machines Corporation Multiple data surface optical data storage system
US5563873A (en) * 1992-11-26 1996-10-08 Matsushita Electric Industrial Co., Ltd. Multilayer optical disk and apparatus
US5373499A (en) * 1993-07-22 1994-12-13 International Business Machines Corporation Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness
JP3558306B2 (ja) * 1994-07-26 2004-08-25 パイオニア株式会社 多層記録ディスク及びこれを用いた記録／再生システム
US5499231A (en) * 1994-11-15 1996-03-12 International Business Machines Corporation Optical disk drive with multiple data layer disk and system for focusing the optical beam
US5726969A (en) * 1994-12-28 1998-03-10 Matsushita Electric Industrial Co., Ltd. Optical recording medium having dual information surfaces
US5625609A (en) * 1995-03-13 1997-04-29 International Business Machines Corporation Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JP3210549B2 (ja) * 1995-05-17 2001-09-17 日本コロムビア株式会社 光情報記録媒体
KR100199298B1 (ko) * 1995-06-08 1999-06-15 모리시따요오이 찌 한면 판독형 2층식 광디스크 및 재생헤드
JPH11500253A (ja) * 1995-10-13 1999-01-06 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 二重情報層を有する光記録媒体
JP3076230B2 (ja) * 1995-10-13 2000-08-14 日本電気株式会社 光ディスク
US5640382A (en) * 1995-12-19 1997-06-17 Imation Corp. Dual layer optical medium having partially reflecting metal alloy layer
US6160787A (en) * 1996-01-11 2000-12-12 Wea Manufacturing, Inc. Multiple layer optical recording medium for use with two different wavelength laser beams
US5959961A (en) * 1997-02-19 1999-09-28 Nec Corporation Optical recording medium having multiple recording layers and method for recording and reproducing thereof
KR100242129B1 (ko) * 1997-06-18 2000-02-01 윤종용 복수 규격을 만족하는 광 디스크

Also Published As

Publication number Publication date
EP1213714A3 (de) 2006-10-04
EP1213714B1 (de) 2009-07-22
US20020067666A1 (en) 2002-06-06
JP2002170276A (ja) 2002-06-14
US6667947B2 (en) 2003-12-23
EP1213714A2 (de) 2002-06-12

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE