KR20100137367A - 광 픽업 및 광 디스크 장치 - Google Patents

광 픽업 및 광 디스크 장치 Download PDF

Info

Publication number
KR20100137367A
KR20100137367A KR1020100055933A KR20100055933A KR20100137367A KR 20100137367 A KR20100137367 A KR 20100137367A KR 1020100055933 A KR1020100055933 A KR 1020100055933A KR 20100055933 A KR20100055933 A KR 20100055933A KR 20100137367 A KR20100137367 A KR 20100137367A
Authority
KR
South Korea
Prior art keywords
light beam
optical disk
recording
reproduction
reflected
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.)
Withdrawn
Application number
KR1020100055933A
Other languages
English (en)
Korean (ko)
Inventor
기미히로 사이또
노리히로 다나베
시오리 다시로
Original Assignee
소니 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 소니 주식회사 filed Critical 소니 주식회사
Publication of KR20100137367A publication Critical patent/KR20100137367A/ko
Withdrawn legal-status Critical Current

Links

Images

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)
KR1020100055933A 2009-06-22 2010-06-14 광 픽업 및 광 디스크 장치 Withdrawn KR20100137367A (ko)

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
JPJP-P-2009-147836 2009-06-22

Publications (1)

Publication Number Publication Date
KR20100137367A true KR20100137367A (ko) 2010-12-30

Family

ID=42742947

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100055933A Withdrawn KR20100137367A (ko) 2009-06-22 2010-06-14 광 픽업 및 광 디스크 장치

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
AU5516598A (en) * 1996-12-05 1998-06-29 Omd Optical Memory Devices Ltd. Optical pickup for 3-d data storage reading from the multilayer fluorescent optical disk
WO1999023647A1 (en) * 1997-11-05 1999-05-14 Omd Devices, L.L.C. Focus error correction apparatus
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
JP2005537954A (ja) * 2002-09-06 2005-12-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ マルチスタック光学情報担体
CN1882991A (zh) * 2003-11-14 2006-12-20 皇家飞利浦电子股份有限公司 用于制造荧光光学信息载体的方法及其装置和载体
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
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
US20100322062A1 (en) 2010-12-23
EP2267704A1 (en) 2010-12-29
CN101930766A (zh) 2010-12-29
JP2011003258A (ja) 2011-01-06
TW201117204A (en) 2011-05-16

Similar Documents

Publication Publication Date Title
US7916585B2 (en) Optical disc drive and method of controlling focal position
US7869330B2 (en) Optical disc apparatus and method for reproducing information
CN101471094B (zh) 光盘装置、位置控制方法和光学拾取器
CN101681635B (zh) 立体式信息记录介质、信息记录装置、信息再现装置以及光学拾取器
KR20080109635A (ko) 광 디스크 장치 및 수렴 위치 보정 방법
JP5621227B2 (ja) 光情報装置及び光ピックアップ
US7929402B2 (en) Optical pickup, optical information recording device, optical information recording method, optical information reproduction device, optical information reproduction method and optical information recording medium
US7978569B2 (en) Optical disc device and focus control method
JP4666234B2 (ja) 光ディスク装置および光ディスク再生方法
JP4540115B2 (ja) 多層光情報記録媒体、光学ヘッド、光ドライブ装置
US7924682B2 (en) Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup
KR20090110250A (ko) 광 디스크 장치 및 광 디스크 재생 방법
KR101058859B1 (ko) 광 픽업 및 이것을 이용한 기록 및/또는 재생 장치
US20090245037A1 (en) Focus Servo Method, Optical Reproducing Method, and Optical Reproducing Apparatus
CN101369431A (zh) 光学信息记录装置、介质和方法以及光学拾取器
WO2006006572A1 (ja) 光ディスク装置、光ピックアップの制御方法及び光ディスク判別方法
KR20100137367A (ko) 광 픽업 및 광 디스크 장치
JP5251990B2 (ja) 光情報記録媒体
JP2009099176A (ja) 光ピックアップ及びこれを用いた光ディスク装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20100614

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid