TWI295056B - - Google Patents

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Publication number
TWI295056B
TWI295056B TW095100254A TW95100254A TWI295056B TW I295056 B TWI295056 B TW I295056B TW 095100254 A TW095100254 A TW 095100254A TW 95100254 A TW95100254 A TW 95100254A TW I295056 B TWI295056 B TW I295056B
Authority
TW
Taiwan
Prior art keywords
value
spherical aberration
aberration correction
focus bias
optical pickup
Prior art date
Application number
TW095100254A
Other languages
English (en)
Chinese (zh)
Other versions
TW200641850A (en
Inventor
Seiichi Sagara
Atsushi Ishimaru
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 TW200641850A publication Critical patent/TW200641850A/zh
Application granted granted Critical
Publication of TWI295056B publication Critical patent/TWI295056B/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
    • G11B7/12—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
    • 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
    • G11B7/09—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
    • G11B7/08—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
    • G11B7/0945—Methods for initialising servos, start-up sequences

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
TW095100254A 2005-01-12 2006-01-04 Device and method for controlling optical pickup, and optical disk device TW200641850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005005672A JP4300484B2 (ja) 2005-01-12 2005-01-12 光ピックアップの制御装置及び制御方法、並びに光ディスク装置

Publications (2)

Publication Number Publication Date
TW200641850A TW200641850A (en) 2006-12-01
TWI295056B true TWI295056B (enExample) 2008-03-21

Family

ID=36696617

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095100254A TW200641850A (en) 2005-01-12 2006-01-04 Device and method for controlling optical pickup, and optical disk device

Country Status (5)

Country Link
US (1) US7344077B2 (enExample)
JP (1) JP4300484B2 (enExample)
KR (1) KR20060082424A (enExample)
CN (1) CN1808592A (enExample)
TW (1) TW200641850A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4527591B2 (ja) * 2005-04-15 2010-08-18 株式会社日立製作所 情報記録再生方法及び情報記録再生装置
JP4676240B2 (ja) * 2005-04-25 2011-04-27 株式会社日立製作所 光ディスク装置、光ディスク装置のフォーカスオフセット及び記録パワー調整方法並びに光ディスク装置のフォーカスオフセット及び記録パワーの調整用プログラム
CN101501766B (zh) * 2006-08-04 2013-02-06 皇家飞利浦电子股份有限公司 一种用于在光盘系统中获得聚焦最佳化的方法和设备
JP2010500701A (ja) * 2006-08-15 2010-01-07 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 球面収差補償の調整
JP4231072B2 (ja) * 2006-09-26 2009-02-25 ソニーＮｅｃオプティアーク株式会社 光記録媒体駆動装置、球面収差調整方法
JP5393020B2 (ja) * 2007-04-26 2014-01-22 株式会社リコー 光ピックアップおよび光情報処理装置
CN101354893B (zh) * 2007-07-24 2010-07-07 建兴电子科技股份有限公司 光驱的最佳球面像差补偿位准的校准方法
US8179754B2 (en) * 2008-05-26 2012-05-15 Sony Computer Entertainment Inc. Optical disc apparatus, method, and information storage medium for reading information recorded on an optical disc medium
JP5103276B2 (ja) * 2008-05-26 2012-12-19 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP5323092B2 (ja) * 2008-12-10 2013-10-23 三菱電機株式会社 光情報処理方法及び光情報処理装置
EP3499505B1 (en) * 2009-03-02 2024-03-27 Sony Interactive Entertainment Inc. Optical disk device, control method therefor, program, and information recording medium
JP5564189B2 (ja) * 2009-03-02 2014-07-30 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP2011134391A (ja) * 2009-12-24 2011-07-07 Sharp Corp 光ピックアップ装置、光ディスク装置及び光ピックアップ調整方法
TWI406275B (zh) 2010-08-20 2013-08-21 Sunplus Technology Co Ltd 光碟機中尋找最佳聚焦偏壓及球差補償值的方法與裝置
JP5967621B2 (ja) * 2013-11-13 2016-08-10 株式会社ソニー・インタラクティブエンタテインメント 光ディスク装置
DE102014003145A1 (de) * 2014-03-04 2015-09-10 Carl Zeiss Microscopy Gmbh Verfahren zur Korrektur der sphärischen Aberration bei mikroskopischen Anwendungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4154962B2 (ja) * 2002-09-03 2008-09-24 ソニー株式会社 ディスクドライブ装置、フォーカスバイアス及び球面収差調整方法

Also Published As

Publication number Publication date
US7344077B2 (en) 2008-03-18
TW200641850A (en) 2006-12-01
CN1808592A (zh) 2006-07-26
KR20060082424A (ko) 2006-07-18
JP4300484B2 (ja) 2009-07-22
JP2006196069A (ja) 2006-07-27
US20060164949A1 (en) 2006-07-27

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees