TW201117204A - Optical pickup and optical disc device - Google Patents

Optical pickup and optical disc device Download PDF

Info

Publication number
TW201117204A
TW201117204A TW099117598A TW99117598A TW201117204A TW 201117204 A TW201117204 A TW 201117204A TW 099117598 A TW099117598 A TW 099117598A TW 99117598 A TW99117598 A TW 99117598A TW 201117204 A TW201117204 A TW 201117204A
Authority
TW
Taiwan
Prior art keywords
light beam
recording
reflected
optical
light
Prior art date
Application number
TW099117598A
Other languages
English (en)
Chinese (zh)
Inventor
Kimihiro Saito
Norihiro Tanabe
Shiori Tashiro
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 TW201117204A publication Critical patent/TW201117204A/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
    • G11B7/08—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)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
TW099117598A 2009-06-22 2010-06-01 Optical pickup and optical disc device TW201117204A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW201117204A true TW201117204A (en) 2011-05-16

Family

ID=42742947

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099117598A TW201117204A (en) 2009-06-22 2010-06-01 Optical pickup and optical disc device

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)

Family Cites Families (12)

* 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
EP0943141A4 (en) * 1996-12-05 2001-01-17 Omd Devices Llc OPTICAL CAPTURE FOR READING MEMORIZED THREE-DIMENSIONAL DATA FROM A FLUORESCENT MULTILAYER OPTICAL DISC
JP2001522118A (ja) * 1997-11-05 2001-11-13 オーエムデイ・デバイシズ・エル・エル・シー 焦点誤差補正装置
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
US7342869B2 (en) * 2002-07-08 2008-03-11 Sony Corporation Optical-recording medium playback apparatus and optical-recording medium, including flying optical head features
EP1537570A1 (en) * 2002-09-06 2005-06-08 Koninklijke Philips Electronics N.V. Multi-stack optical information carrier
KR20060116815A (ko) * 2003-11-14 2006-11-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 형광성 광 정보매체 제조방법 및 장치와 매체
WO2005064603A1 (ja) * 2003-12-16 2005-07-14 Matsushita Electric Industrial Co., Ltd. 光ディスク装置及び光ディスク
JP4584265B2 (ja) * 2004-11-15 2010-11-17 パナソニック株式会社 情報記録媒体及び光学情報記録再生装置
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。
US20100002555A1 (en) * 2006-12-29 2010-01-07 Mempile Inc. Control signal for three dimensional optical data storage

Also Published As

Publication number Publication date
CN101930766A (zh) 2010-12-29
US20100322062A1 (en) 2010-12-23
KR20100137367A (ko) 2010-12-30
EP2267704A1 (en) 2010-12-29
JP2011003258A (ja) 2011-01-06

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