WO2008146516A1 - 多層光ディスク - Google Patents

多層光ディスク Download PDF

Info

Publication number
WO2008146516A1
WO2008146516A1 PCT/JP2008/054305 JP2008054305W WO2008146516A1 WO 2008146516 A1 WO2008146516 A1 WO 2008146516A1 JP 2008054305 W JP2008054305 W JP 2008054305W WO 2008146516 A1 WO2008146516 A1 WO 2008146516A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording layer
desired recording
optical disc
multilayer optical
distance
Prior art date
Application number
PCT/JP2008/054305
Other languages
English (en)
French (fr)
Inventor
Yoshinori Ishikawa
Harukazu Miyamoto
Akemi Hirotsune
Original Assignee
Hitachi, Ltd.
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 Hitachi, Ltd. filed Critical Hitachi, Ltd.
Priority to CN200880014993A priority Critical patent/CN101681646A/zh
Priority to EP08721721A priority patent/EP2154683B1/en
Priority to US12/598,682 priority patent/US20100226239A1/en
Publication of WO2008146516A1 publication Critical patent/WO2008146516A1/ja
Priority to US13/207,146 priority patent/US8514684B2/en

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

　３層以上の記録層を有する多層光ディスクにおいて、ＢＣＡが配置されている所望の記録層へ容易にフォーカス引き込み可能な多層光ディスクを提供する。所望の記録層と前記所望の記録層に隣接する記録層のうちフォーカス引き込み時に前記所望の記録層よりも先にレーザスポットが横切る記録層との層間距離を他の層間距離よりも大きくする。
PCT/JP2008/054305 2007-06-01 2008-03-10 多層光ディスク WO2008146516A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200880014993A CN101681646A (zh) 2007-06-01 2008-03-10 多层光盘
EP08721721A EP2154683B1 (en) 2007-06-01 2008-03-10 Multilayer optical disc
US12/598,682 US20100226239A1 (en) 2007-06-01 2008-03-10 Multilayer optical disc
US13/207,146 US8514684B2 (en) 2007-06-01 2011-08-10 Multilayer optical disc for easy positioning of a focused beam

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-146435 2007-06-01
JP2007146435A JP4640378B2 (ja) 2007-06-01 2007-06-01 多層光ディスク

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/598,682 A-371-Of-International US20100226239A1 (en) 2007-06-01 2008-03-10 Multilayer optical disc
US13/207,146 Continuation US8514684B2 (en) 2007-06-01 2011-08-10 Multilayer optical disc for easy positioning of a focused beam

Publications (1)

Publication Number Publication Date
WO2008146516A1 true WO2008146516A1 (ja) 2008-12-04

Family

ID=40074789

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054305 WO2008146516A1 (ja) 2007-06-01 2008-03-10 多層光ディスク

Country Status (5)

Country Link
US (2) US20100226239A1 (ja)
EP (2) EP2458591B1 (ja)
JP (1) JP4640378B2 (ja)
CN (2) CN101681646A (ja)
WO (1) WO2008146516A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110273970A1 (en) * 2009-01-16 2011-11-10 Sharp Kabushiki Kaisha Optical information recording medium, and device for recording/reproducing information on/from optical information recording medium
JP5343913B2 (ja) * 2010-04-15 2013-11-13 ソニー株式会社 多層光記録媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006059433A (ja) * 2004-08-19 2006-03-02 Sony Corp 多層光情報記録媒体
JP2006155792A (ja) * 2004-11-30 2006-06-15 Sony Corp 光ディスク装置、焦点位置制御方法及び焦点位置制御装置
WO2007004373A1 (ja) * 2005-06-30 2007-01-11 Sharp Kabushiki Kaisha 複合光記録媒体、光ピックアップ、および光記録再生装置

Family Cites Families (15)

* 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.
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
US6574174B1 (en) * 2000-04-15 2003-06-03 Siros Technologies, Inc. Optical data storage system with multiple layer media
JP2001155380A (ja) 2000-10-27 2001-06-08 Victor Co Of Japan Ltd 光記録媒体
JP3894844B2 (ja) * 2002-06-06 2007-03-22 日立コンピュータ機器株式会社 相変化型光ディスク初期化方法及び相変化型光ディスク初期化装置
JP2004071046A (ja) * 2002-08-06 2004-03-04 Ricoh Co Ltd 光学的多層情報記録ディスクおよび光ピックアップ装置ならびに光学的情報記録／再生装置
JP4215497B2 (ja) * 2002-12-27 2009-01-28 Ｔｄｋ株式会社 光記録媒体
TW200506926A (en) * 2003-06-13 2005-02-16 Matsushita Electric Ind Co Ltd Optical information recording medium and method for manufacturing the same
JP2005018919A (ja) * 2003-06-26 2005-01-20 Sony Corp 記録媒体、記録再生装置、記録再生方法
KR101120025B1 (ko) * 2005-03-10 2012-03-15 삼성전자주식회사 다층 기록 매체 및 그 제조 방법
JP2006313585A (ja) 2005-05-06 2006-11-16 Toshiba Corp 光ディスク、光ディスクの製造方法、情報再生装置、情報再生方法、情報記録装置、および情報記録方法
JP2006351120A (ja) 2005-06-16 2006-12-28 Sony Corp Ｒｏｍディスクとその製造方法、及び光ディスク
CN1909086A (zh) * 2005-08-03 2007-02-07 上海乐金广电电子有限公司 光盘结构
JP2007052862A (ja) * 2005-08-18 2007-03-01 Toshiba Corp 光ディスク、光ディスク装置、デジタル作品出版物
JP4830426B2 (ja) * 2005-09-28 2011-12-07 ソニー株式会社 光記録媒体、記録装置、記録又は再生装置、記録方法、記録又は再生方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006059433A (ja) * 2004-08-19 2006-03-02 Sony Corp 多層光情報記録媒体
JP2006155792A (ja) * 2004-11-30 2006-06-15 Sony Corp 光ディスク装置、焦点位置制御方法及び焦点位置制御装置
WO2007004373A1 (ja) * 2005-06-30 2007-01-11 Sharp Kabushiki Kaisha 複合光記録媒体、光ピックアップ、および光記録再生装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2154683A4 *

Also Published As

Publication number Publication date
EP2458591B1 (en) 2014-04-23
JP2008299983A (ja) 2008-12-11
CN102592619B (zh) 2013-08-07
EP2154683A1 (en) 2010-02-17
EP2458591A1 (en) 2012-05-30
EP2154683A4 (en) 2011-01-12
US20100226239A1 (en) 2010-09-09
US20110299374A1 (en) 2011-12-08
CN101681646A (zh) 2010-03-24
US8514684B2 (en) 2013-08-20
EP2154683B1 (en) 2012-06-20
CN102592619A (zh) 2012-07-18
JP4640378B2 (ja) 2011-03-02

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