CN101930766A - 光学拾取器和光盘设备 - Google Patents

光学拾取器和光盘设备 Download PDF

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Publication number
CN101930766A
CN101930766A CN2010102053838A CN201010205383A CN101930766A CN 101930766 A CN101930766 A CN 101930766A CN 2010102053838 A CN2010102053838 A CN 2010102053838A CN 201010205383 A CN201010205383 A CN 201010205383A CN 101930766 A CN101930766 A CN 101930766A
Authority
CN
China
Prior art keywords
light beam
optical disc
recording
reflected
reproduction
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.)
Pending
Application number
CN2010102053838A
Other languages
English (en)
Chinese (zh)
Inventor
齐藤公博
田部典宏
田代诗织
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.)
Sony Corp
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 CN101930766A publication Critical patent/CN101930766A/zh
Pending legal-status Critical Current

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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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing 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
    • G11B7/12—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
    • G11B7/1362—Mirrors
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
CN2010102053838A 2009-06-22 2010-06-17 光学拾取器和光盘设备 Pending CN101930766A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009147836A JP2011003258A (ja) 2009-06-22 2009-06-22 光ピックアップ及び光ディスク装置
JP2009-147836 2009-06-22

Publications (1)

Publication Number Publication Date
CN101930766A true CN101930766A (zh) 2010-12-29

Family

ID=42742947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102053838A Pending CN101930766A (zh) 2009-06-22 2010-06-17 光学拾取器和光盘设备

Country Status (6)

Country Link
US (1) US20100322062A1 (enExample)
EP (1) EP2267704A1 (enExample)
JP (1) JP2011003258A (enExample)
KR (1) KR20100137367A (enExample)
CN (1) CN101930766A (enExample)
TW (1) TW201117204A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999023647A1 (en) * 1997-11-05 1999-05-14 Omd Devices, L.L.C. Focus error correction apparatus
CN1477622A (zh) * 2002-07-08 2004-02-25 索尼株式会社 光学记录介质读出设备和光学记录介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO301144B1 (no) * 1995-05-23 1997-09-15 Opticom As Optisk datalagring
WO1998025262A1 (en) * 1996-12-05 1998-06-11 Omd Devices Llc Optical pickup for 3-d data storage reading from the multilayer fluorescent optical disk
EP1130585B1 (en) * 2000-02-28 2011-12-21 FUJIFILM Corporation Recording medium and information recording and reproducing method using the same
JP2001325745A (ja) * 2000-05-16 2001-11-22 Sony Corp 光学記録媒体と、その再生装置および記録再生装置
KR20050057253A (ko) * 2002-09-06 2005-06-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중 적층체 광 정보매체
US20070082293A1 (en) * 2003-11-14 2007-04-12 Koninklijke Philips Electronics N.V. Method of producting a fluorescent optical information carrier and the apparatus and carrier thereof
US7903531B2 (en) * 2003-12-16 2011-03-08 Panasonic Corporation Optical disk apparatus for detecting tilt of an optical disk, and an optical disk for tilt detection
US7898925B2 (en) * 2004-11-15 2011-03-01 Panasonic Corporation Information recording medium and optical information recording/reproducing apparatus
JP4380641B2 (ja) * 2006-02-14 2009-12-09 株式会社日立製作所 光記録媒体、光記録媒体の評価方法、情報再生方法及び情報記録方法。
WO2008081319A2 (en) * 2006-12-29 2008-07-10 Mempile Inc. Control signal for three dimensional optical data storage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999023647A1 (en) * 1997-11-05 1999-05-14 Omd Devices, L.L.C. Focus error correction apparatus
CN1477622A (zh) * 2002-07-08 2004-02-25 索尼株式会社 光学记录介质读出设备和光学记录介质

Also Published As

Publication number Publication date
EP2267704A1 (en) 2010-12-29
TW201117204A (en) 2011-05-16
KR20100137367A (ko) 2010-12-30
US20100322062A1 (en) 2010-12-23
JP2011003258A (ja) 2011-01-06

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Legal Events

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20101229