KR20090071493A - 광학 픽업 장치, 광 기록 재생 장치 및 갭 제어 방법 - Google Patents

광학 픽업 장치, 광 기록 재생 장치 및 갭 제어 방법 Download PDF

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Publication number
KR20090071493A
KR20090071493A KR1020080134814A KR20080134814A KR20090071493A KR 20090071493 A KR20090071493 A KR 20090071493A KR 1020080134814 A KR1020080134814 A KR 1020080134814A KR 20080134814 A KR20080134814 A KR 20080134814A KR 20090071493 A KR20090071493 A KR 20090071493A
Authority
KR
South Korea
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.)
Withdrawn
Application number
KR1020080134814A
Other languages
English (en)
Korean (ko)
Inventor
쯔또무 이시모또
Original Assignee
소니 가부시끼 가이샤
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 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20090071493A publication Critical patent/KR20090071493A/ko
Withdrawn legal-status Critical Current

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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)
KR1020080134814A 2007-12-26 2008-12-26 광학 픽업 장치, 광 기록 재생 장치 및 갭 제어 방법 Withdrawn KR20090071493A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2007-335080 2007-12-26
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 (1)

Publication Number Publication Date
KR20090071493A true KR20090071493A (ko) 2009-07-01

Family

ID=40347996

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080134814A Withdrawn KR20090071493A (ko) 2007-12-26 2008-12-26 광학 픽업 장치, 광 기록 재생 장치 및 갭 제어 방법

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101312516B1 (ko) * 2011-04-27 2013-10-01 주식회사 포스코 하이드로포밍용 이멀젼 필터링 장치

Families Citing this family (4)

* 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
NL2016311A (en) 2015-02-25 2016-09-30 Asml Netherlands Bv Method and apparatus for inspection and metrology.

Family Cites Families (17)

* 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
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
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
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
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
WO2007049893A1 (en) * 2005-10-24 2007-05-03 Lg Electronics Inc. An apparatus and method for recording/reproducing data on/from a recording medium
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
JP4345859B2 (ja) * 2007-09-12 2009-10-14 ソニー株式会社 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101312516B1 (ko) * 2011-04-27 2013-10-01 주식회사 포스코 하이드로포밍용 이멀젼 필터링 장치

Also Published As

Publication number Publication date
US7933177B2 (en) 2011-04-26
JP2009158007A (ja) 2009-07-16
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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Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20081226

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