TWI291692B - Disk-shaped recording medium, disk device, and method for manufacturing optical disks - Google Patents

Disk-shaped recording medium, disk device, and method for manufacturing optical disks Download PDF

Info

Publication number
TWI291692B
TWI291692B TW94120459A TW94120459A TWI291692B TW I291692 B TWI291692 B TW I291692B TW 94120459 A TW94120459 A TW 94120459A TW 94120459 A TW94120459 A TW 94120459A TW I291692 B TWI291692 B TW I291692B
Authority
TW
Taiwan
Prior art keywords
light
disc
guide groove
recording medium
recording
Prior art date
Application number
TW94120459A
Other languages
English (en)
Chinese (zh)
Other versions
TW200614204A (en
Inventor
Ariyoshi Nakaoki
Masanobu Yamamoto
Kimihiro Saito
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 TW200614204A publication Critical patent/TW200614204A/zh
Application granted granted Critical
Publication of TWI291692B publication Critical patent/TWI291692B/zh

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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24079—Width or depth
    • 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
    • G11B7/006—Overwriting
    • 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
    • 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
    • G11B7/24056—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs
    • G11B7/24059—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs specially adapted for near-field recording or reproduction
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
TW94120459A 2004-06-28 2005-06-20 Disk-shaped recording medium, disk device, and method for manufacturing optical disks TWI291692B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004190250A JP2006012336A (ja) 2004-06-28 2004-06-28 ディスク状記録媒体、ディスク装置

Publications (2)

Publication Number Publication Date
TW200614204A TW200614204A (en) 2006-05-01
TWI291692B true TWI291692B (en) 2007-12-21

Family

ID=35779390

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94120459A TWI291692B (en) 2004-06-28 2005-06-20 Disk-shaped recording medium, disk device, and method for manufacturing optical disks

Country Status (4)

Country Link
JP (1) JP2006012336A (ja)
CN (1) CN1977317A (ja)
TW (1) TWI291692B (ja)
WO (1) WO2006001187A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011076686A (ja) * 2009-10-01 2011-04-14 Sony Corp 記録装置、記録方法、光記録媒体

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01138626A (ja) * 1987-11-26 1989-05-31 Victor Co Of Japan Ltd 情報信号の光学的記録再生方式
JP2808579B2 (ja) * 1990-11-09 1998-10-08 日本電気ホームエレクトロニクス株式会社 光ディスクのトラッキング制御方法
JPH04339320A (ja) * 1990-12-19 1992-11-26 General Electric Co <Ge> 光学ディスクとそのトラッキングおよび読み取り装置
JP3005648B2 (ja) * 1991-04-25 2000-01-31 日本電気ホームエレクトロニクス株式会社 光ディスク記録方法および光ディスク装置
JPH08321084A (ja) * 1995-05-24 1996-12-03 Sanyo Electric Co Ltd 記録媒体のトラッキング方法
JP3971832B2 (ja) * 1997-12-16 2007-09-05 日立マクセル株式会社 光デイスクならびに光デイスク装置
JP2001176128A (ja) * 1999-12-14 2001-06-29 Ricoh Co Ltd 光記録再生媒体、その製造方法およびその光記録再生方法
JP2001250275A (ja) * 2000-03-01 2001-09-14 Tosoh Corp 表面再生型光記録媒体
JP2001256687A (ja) * 2000-03-08 2001-09-21 Tosoh Corp 光記録媒体
JP2002074703A (ja) * 2000-09-01 2002-03-15 Sony Corp トラック誤差信号検出方法とその装置、光学ピックアップ、トラッキング制御装置、光学式記録・再生装置
JP2002319153A (ja) * 2001-04-19 2002-10-31 Sony Corp 信号再生装置及びその信号検出方法
JP4081297B2 (ja) * 2002-05-07 2008-04-23 株式会社リコー 表面型相変化記録媒体、及びそれを用いた光記録システム

Also Published As

Publication number Publication date
WO2006001187A1 (ja) 2006-01-05
JP2006012336A (ja) 2006-01-12
CN1977317A (zh) 2007-06-06
TW200614204A (en) 2006-05-01

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Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees