KR20030093856A - 고밀도 듀얼 레이어 광디스크 - Google Patents

고밀도 듀얼 레이어 광디스크 Download PDF

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Publication number
KR20030093856A
KR20030093856A KR1020020031741A KR20020031741A KR20030093856A KR 20030093856 A KR20030093856 A KR 20030093856A KR 1020020031741 A KR1020020031741 A KR 1020020031741A KR 20020031741 A KR20020031741 A KR 20020031741A KR 20030093856 A KR20030093856 A KR 20030093856A
Authority
KR
South Korea
Prior art keywords
thickness
recording layer
layer
high density
optical disc
Prior art date
Application number
KR1020020031741A
Other languages
English (en)
Korean (ko)
Inventor
박경찬
정성윤
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020020031741A priority Critical patent/KR20030093856A/ko
Priority to EP08015050A priority patent/EP2015301A1/en
Priority to MXPA04001183A priority patent/MXPA04001183A/es
Priority to RU2004107578/28A priority patent/RU2284590C2/ru
Priority to AU2003232662A priority patent/AU2003232662A1/en
Priority to CN200710078901A priority patent/CN100578629C/zh
Priority to BR0305025-4A priority patent/BR0305025A/pt
Priority to EP03757204A priority patent/EP1509914A4/en
Priority to CNB038009455A priority patent/CN100541626C/zh
Priority to JP2004512135A priority patent/JP2005529445A/ja
Priority to PCT/KR2003/001095 priority patent/WO2003105144A1/en
Priority to CA002455889A priority patent/CA2455889A1/en
Priority to TW092115326A priority patent/TWI305645B/zh
Priority to TW096107565A priority patent/TWI345236B/zh
Publication of KR20030093856A publication Critical patent/KR20030093856A/ko
Priority to US10/793,011 priority patent/US20040246870A1/en
Priority to HK05101929.9A priority patent/HK1069473A1/xx
Priority to HK08101199.9A priority patent/HK1108205A1/xx
Priority to US11/703,720 priority patent/US20070195684A1/en
Priority to JP2007047082A priority patent/JP2007141453A/ja

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
    • G11B7/2403—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
    • G11B7/1392—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
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)
KR1020020031741A 2002-06-05 2002-06-05 고밀도 듀얼 레이어 광디스크 KR20030093856A (ko)

Priority Applications (19)

Application Number Priority Date Filing Date Title
KR1020020031741A KR20030093856A (ko) 2002-06-05 2002-06-05 고밀도 듀얼 레이어 광디스크
JP2004512135A JP2005529445A (ja) 2002-06-05 2003-06-04 高密度デュアルレイヤ光ディスク
PCT/KR2003/001095 WO2003105144A1 (en) 2002-06-05 2003-06-04 High-density dual-layer optical disc
RU2004107578/28A RU2284590C2 (ru) 2002-06-05 2003-06-04 Двухслойный оптический диск с высокой плотностью записи
AU2003232662A AU2003232662A1 (en) 2002-06-05 2003-06-04 High-density dual-layer optical disc
CN200710078901A CN100578629C (zh) 2002-06-05 2003-06-04 高密度双层光盘
BR0305025-4A BR0305025A (pt) 2002-06-05 2003-06-04 Disco óptico de camada dupla de alta densidade
EP03757204A EP1509914A4 (en) 2002-06-05 2003-06-04 HIGH-DENSITY DOUBLE-LAYER OPTICAL DATA CARRIER
CNB038009455A CN100541626C (zh) 2002-06-05 2003-06-04 高密度双层光盘
EP08015050A EP2015301A1 (en) 2002-06-05 2003-06-04 High-density dual-layer optical disc
MXPA04001183A MXPA04001183A (es) 2002-06-05 2003-06-04 Disco optico de doble capa, de alta densidad.
CA002455889A CA2455889A1 (en) 2002-06-05 2003-06-04 High-density dual-layer optical disc
TW092115326A TWI305645B (en) 2002-06-05 2003-06-05 High-density dual-layer optical disc
TW096107565A TWI345236B (en) 2002-06-05 2003-06-05 High-density dual-layer optical disc
US10/793,011 US20040246870A1 (en) 2002-06-05 2004-03-05 High-density multi-layer recording medium and an apparatus for writing to or reading from such a recording medium
HK05101929.9A HK1069473A1 (en) 2002-06-05 2005-03-07 High-density dual-layer optical disc
HK08101199.9A HK1108205A1 (en) 2002-06-05 2005-03-07 High-density dual-layer optical disc
US11/703,720 US20070195684A1 (en) 2002-06-05 2007-02-08 High-density multi-layer recording medium and an apparatus for writing to or reading from such a recording medium
JP2007047082A JP2007141453A (ja) 2002-06-05 2007-02-27 高密度デュアルレイヤ光ディスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020031741A KR20030093856A (ko) 2002-06-05 2002-06-05 고밀도 듀얼 레이어 광디스크

Publications (1)

Publication Number Publication Date
KR20030093856A true KR20030093856A (ko) 2003-12-11

Family

ID=32386096

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020031741A KR20030093856A (ko) 2002-06-05 2002-06-05 고밀도 듀얼 레이어 광디스크

Country Status (2)

Country Link
KR (1) KR20030093856A (zh)
CN (1) CN100578629C (zh)

Also Published As

Publication number Publication date
CN100578629C (zh) 2010-01-06
CN101009116A (zh) 2007-08-01

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Effective date: 20100430