JP2007525786A - 改良された層ジャンプを伴う多層光ディスクの読出し／書込みのための装置 - Google Patents

改良された層ジャンプを伴う多層光ディスクの読出し／書込みのための装置 Download PDF

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Publication number
JP2007525786A
JP2007525786A JP2007501407A JP2007501407A JP2007525786A JP 2007525786 A JP2007525786 A JP 2007525786A JP 2007501407 A JP2007501407 A JP 2007501407A JP 2007501407 A JP2007501407 A JP 2007501407A JP 2007525786 A JP2007525786 A JP 2007525786A
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JP
Japan
Prior art keywords
objective lens
layer
acceleration
kick
kinetic parameters
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
JP2007501407A
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English (en)
Japanese (ja)
Inventor
ジァン，ライン
Original Assignee
アリマ デバイシズ コーポレイション
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 アリマ デバイシズ コーポレイション filed Critical アリマ デバイシズ コーポレイション
Publication of JP2007525786A publication Critical patent/JP2007525786A/ja
Pending legal-status Critical Current

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    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in 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
    • G11B7/08—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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/24—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

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2007501407A 2004-03-01 2005-02-24 改良された層ジャンプを伴う多層光ディスクの読出し／書込みのための装置 Pending JP2007525786A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04300104 2004-03-01
PCT/IB2005/050677 WO2005088617A1 (fr) 2004-03-01 2005-02-24 Appareil d'ecriture/lecture de disque optique multicouche a saut de couches ameliore

Publications (1)

Publication Number Publication Date
JP2007525786A true JP2007525786A (ja) 2007-09-06

Family

ID=34960727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007501407A Pending JP2007525786A (ja) 2004-03-01 2005-02-24 改良された層ジャンプを伴う多層光ディスクの読出し／書込みのための装置

Country Status (6)

Country Link
EP (1) EP1723644A1 (fr)
JP (1) JP2007525786A (fr)
KR (1) KR20060118617A (fr)
CN (1) CN1926614A (fr)
TW (1) TW200601305A (fr)
WO (1) WO2005088617A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100403414C (zh) * 2006-07-14 2008-07-16 威盛电子股份有限公司 光碟片跳层点的设定方法
KR20080071806A (ko) * 2007-01-31 2008-08-05 삼성전자주식회사 광정보저장매체 재생/기록 장치의 포커스 제어 방법 및 그장치
US20110194390A1 (en) * 2010-02-09 2011-08-11 Chia-Tao Hsu Control method for adjusting laser power of laser beam irradiating multi-layer optical storage medium and related controller thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240054B1 (en) * 1996-05-15 2001-05-29 Pioneer Electronic Corporation Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
JP4089177B2 (ja) * 2000-10-25 2008-05-28 株式会社日立製作所 光ディスク装置及び層間ジャンプ方法
JP2002279654A (ja) * 2001-01-11 2002-09-27 Sony Computer Entertainment Inc 光ディスク装置、対物レンズ移動制御方法
JP2003030861A (ja) * 2001-07-16 2003-01-31 Matsushita Electric Ind Co Ltd ディスクドライブ装置

Also Published As

Publication number Publication date
CN1926614A (zh) 2007-03-07
EP1723644A1 (fr) 2006-11-22
TW200601305A (en) 2006-01-01
WO2005088617A1 (fr) 2005-09-22
KR20060118617A (ko) 2006-11-23

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