JP2009158007A - 光学ピックアップ装置、光記録再生装置及びギャップ制御方法 - Google Patents

光学ピックアップ装置、光記録再生装置及びギャップ制御方法 Download PDF

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Publication number
JP2009158007A
JP2009158007A JP2007335080A JP2007335080A JP2009158007A JP 2009158007 A JP2009158007 A JP 2009158007A JP 2007335080 A JP2007335080 A JP 2007335080A JP 2007335080 A JP2007335080 A JP 2007335080A JP 2009158007 A JP2009158007 A JP 2009158007A
Authority
JP
Japan
Prior art keywords
recording medium
information recording
light
gap
signal
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
JP2007335080A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009158007A5 (https=
Inventor
Tsutomu Ishimoto
努 石本
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
Priority to JP2007335080A priority Critical patent/JP2009158007A/ja
Priority to EP08253628A priority patent/EP2077554A1/en
Priority to US12/335,912 priority patent/US7933177B2/en
Priority to TW097150692A priority patent/TW200945338A/zh
Priority to CN2008101865592A priority patent/CN101471093B/zh
Priority to KR1020080134814A priority patent/KR20090071493A/ko
Publication of JP2009158007A publication Critical patent/JP2009158007A/ja
Publication of JP2009158007A5 publication Critical patent/JP2009158007A5/ja
Pending legal-status Critical Current

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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • 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
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2007335080A 2007-12-26 2007-12-26 光学ピックアップ装置、光記録再生装置及びギャップ制御方法 Pending JP2009158007A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007335080A JP2009158007A (ja) 2007-12-26 2007-12-26 光学ピックアップ装置、光記録再生装置及びギャップ制御方法
EP08253628A EP2077554A1 (en) 2007-12-26 2008-11-06 Optical pickup apparatus, optical read/write apparatus, and gap control method
US12/335,912 US7933177B2 (en) 2007-12-26 2008-12-16 Optical pickup apparatus, optical read/write apparatus, and gap control method
TW097150692A TW200945338A (en) 2007-12-26 2008-12-25 Optical pickup apparatus, optical read/write apparatus, and gap control method
CN2008101865592A CN101471093B (zh) 2007-12-26 2008-12-25 光学拾取设备、光学读/写设备、以及间隙控制方法
KR1020080134814A KR20090071493A (ko) 2007-12-26 2008-12-26 광학 픽업 장치, 광 기록 재생 장치 및 갭 제어 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007335080A JP2009158007A (ja) 2007-12-26 2007-12-26 光学ピックアップ装置、光記録再生装置及びギャップ制御方法

Publications (2)

Publication Number Publication Date
JP2009158007A true JP2009158007A (ja) 2009-07-16
JP2009158007A5 JP2009158007A5 (https=) 2010-04-30

Family

ID=40347996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007335080A Pending JP2009158007A (ja) 2007-12-26 2007-12-26 光学ピックアップ装置、光記録再生装置及びギャップ制御方法

Country Status (6)

Country Link
US (1) US7933177B2 (https=)
EP (1) EP2077554A1 (https=)
JP (1) JP2009158007A (https=)
KR (1) KR20090071493A (https=)
CN (1) CN101471093B (https=)
TW (1) TW200945338A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009158007A (ja) * 2007-12-26 2009-07-16 Sony Corp 光学ピックアップ装置、光記録再生装置及びギャップ制御方法
EP2299444A1 (en) 2009-09-15 2011-03-23 Thomson Licensing Near-field optical recording apparatus, method and medium
CN103430236A (zh) * 2011-03-22 2013-12-04 松下电器产业株式会社 光信息装置以及其间隙控制方法
KR101312516B1 (ko) * 2011-04-27 2013-10-01 주식회사 포스코 하이드로포밍용 이멀젼 필터링 장치
NL2016311A (en) 2015-02-25 2016-09-30 Asml Netherlands Bv Method and apparatus for inspection and metrology.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005209318A (ja) * 2004-01-26 2005-08-04 Sony Corp 光ディスク装置及びその制御方法
JP2006344351A (ja) * 2005-05-13 2006-12-21 Sony Corp 光記録再生装置、光学ヘッド、光記録再生方法及びスキュー検出方法
WO2007049893A1 (en) * 2005-10-24 2007-05-03 Lg Electronics Inc. An apparatus and method for recording/reproducing data on/from a recording medium
JP2009070466A (ja) * 2007-09-12 2009-04-02 Sony Corp 光学ピックアップ装置、光記録再生装置及びギャップの制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8004969A (nl) 1980-09-02 1982-04-01 Philips Nv Inrichting voor optische scherpstelling.
NL9000282A (nl) * 1990-02-06 1991-09-02 Philips Nv Optische aftastinrichting met meerdere aftastvlekken.
JP3956547B2 (ja) 1999-09-07 2007-08-08 ソニー株式会社 光記録装置、光記録及び／又は再生方法
US7260032B2 (en) * 2001-08-06 2007-08-21 Sharp Kabushiki Kaisha Focal point adjusting method, and optical pickup device
US7733747B2 (en) 2003-01-17 2010-06-08 Sony Corporation Information recording or reproducing device and recording or reproducing method
JP2007533061A (ja) * 2004-04-16 2007-11-15 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 光学記録のためのエアギャップ
JP4534859B2 (ja) * 2005-05-06 2010-09-01 ソニー株式会社 サーボ制御装置及びサーボ制御方法、並びに光ディスク記録又は再生装置
JP2008545219A (ja) * 2005-07-04 2008-12-11 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 光ピックアップおよび／または記録装置
US7145304B1 (en) 2005-08-29 2006-12-05 Zoran Corporation Rotating storage media control loops having adaptive feed forward insertion of signals including harmonics
EP1961003B1 (en) * 2005-12-06 2010-02-10 Koninklijke Philips Electronics N.V. Air gap servo for optical recording
JP2007323791A (ja) * 2006-06-05 2007-12-13 Canon Inc 光情報記録再生装置
JP2009158007A (ja) * 2007-12-26 2009-07-16 Sony Corp 光学ピックアップ装置、光記録再生装置及びギャップ制御方法
KR20090077145A (ko) * 2008-01-10 2009-07-15 삼성전자주식회사 근접장 광기록/재생 장치 및 상기 장치의 갭 에러 신호정규화 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005209318A (ja) * 2004-01-26 2005-08-04 Sony Corp 光ディスク装置及びその制御方法
JP2006344351A (ja) * 2005-05-13 2006-12-21 Sony Corp 光記録再生装置、光学ヘッド、光記録再生方法及びスキュー検出方法
WO2007049893A1 (en) * 2005-10-24 2007-05-03 Lg Electronics Inc. An apparatus and method for recording/reproducing data on/from a recording medium
JP2009070466A (ja) * 2007-09-12 2009-04-02 Sony Corp 光学ピックアップ装置、光記録再生装置及びギャップの制御方法

Also Published As

Publication number Publication date
US7933177B2 (en) 2011-04-26
KR20090071493A (ko) 2009-07-01
CN101471093A (zh) 2009-07-01
TW200945338A (en) 2009-11-01
EP2077554A1 (en) 2009-07-08
CN101471093B (zh) 2011-04-06
US20090168633A1 (en) 2009-07-02

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