TW200638398A - Optical pickup, optical disc drive employing the same, and control method of the same - Google Patents

Optical pickup, optical disc drive employing the same, and control method of the same

Info

Publication number
TW200638398A
TW200638398A TW094143884A TW94143884A TW200638398A TW 200638398 A TW200638398 A TW 200638398A TW 094143884 A TW094143884 A TW 094143884A TW 94143884 A TW94143884 A TW 94143884A TW 200638398 A TW200638398 A TW 200638398A
Authority
TW
Taiwan
Prior art keywords
same
optical
objective lens
optical system
optical disk
Prior art date
Application number
TW094143884A
Other languages
English (en)
Inventor
Katsutoshi Sato
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 TW200638398A publication Critical patent/TW200638398A/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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/18—Function characteristic adaptive optics, e.g. wavefront correction
    • 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
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
TW094143884A 2004-12-16 2005-12-12 Optical pickup, optical disc drive employing the same, and control method of the same TW200638398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004363851 2004-12-16

Publications (1)

Publication Number Publication Date
TW200638398A true TW200638398A (en) 2006-11-01

Family

ID=36587791

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094143884A TW200638398A (en) 2004-12-16 2005-12-12 Optical pickup, optical disc drive employing the same, and control method of the same

Country Status (6)

Country Link
US (1) US7796477B2 (zh)
JP (1) JPWO2006064735A1 (zh)
KR (1) KR20070087487A (zh)
CN (1) CN100590720C (zh)
TW (1) TW200638398A (zh)
WO (1) WO2006064735A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI383389B (zh) * 2007-04-26 2013-01-21 Ricoh Co Ltd 光學拾取頭及資訊處理裝置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007069612A1 (ja) * 2005-12-14 2009-05-21 パナソニック株式会社 光ヘッドおよび光情報装置
JP4289388B2 (ja) 2006-12-12 2009-07-01 ソニー株式会社 光ピックアップ及び光ディスク装置
JP4375470B2 (ja) * 2007-09-28 2009-12-02 ソニー株式会社 光ディスク駆動装置、カメラ装置、および、光ディスクのスキューに追従した光ビームの傾き制御方法
US8009526B2 (en) * 2007-10-10 2011-08-30 Panasonic Corporation Optical pickup device and collimate lens
CN103339674B (zh) * 2011-01-21 2016-03-09 三菱电机株式会社 光拾取装置以及光盘装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5930214A (en) * 1994-01-19 1999-07-27 Kabushiki Kaisha Toshiba Recording/reproducing optical head apparatus compatible with different optical media
JPH09330532A (ja) * 1996-06-11 1997-12-22 Sony Corp 光学ピックアップ装置
JP3538520B2 (ja) * 1997-04-16 2004-06-14 パイオニア株式会社 収差補正用液晶パネル、光ピックアップ及び情報再生装置
JP3724290B2 (ja) * 1999-11-18 2005-12-07 株式会社日立製作所 光ヘッド、及び、それを用いた光学的情報記録再生装置
US6449106B1 (en) * 2000-08-10 2002-09-10 Nikon Corporation Catadioptric lens barrel structure having a support structure to maintain alignment of a plurality of sub-barrels
KR100911141B1 (ko) * 2002-09-03 2009-08-06 삼성전자주식회사 틸트에 따른 파면수차 보정 기능을 갖는 렌즈 및 광픽업
EP1560209B1 (en) * 2002-11-08 2012-04-11 Citizen Holdings Co., Ltd. Liquid crystal optical element and optical device
JP2004295983A (ja) 2003-03-26 2004-10-21 Tdk Corp 光ヘッド及びそれを用いた光記録再生装置
JP4241727B2 (ja) * 2003-05-08 2009-03-18 日本電気株式会社 光ヘッド装置、その製造方法及び光学式情報記録再生装置
JP4436070B2 (ja) * 2003-05-09 2010-03-24 シチズンホールディングス株式会社 液晶光学素子及び光学装置
JP4436069B2 (ja) * 2003-05-09 2010-03-24 シチズンホールディングス株式会社 液晶光学素子及び光学装置
JP2004354473A (ja) * 2003-05-27 2004-12-16 Fuji Photo Optical Co Ltd 光学レンズ
US7301864B2 (en) * 2003-07-07 2007-11-27 Matsushita Electric Industrial Co., Ltd. Objective lens, optical pick-up device, and optical disk device
US7729226B2 (en) * 2003-10-06 2010-06-01 Ricoh Company, Ltd. Wavefront aberration compensation element, optical pickup, and optical disk apparatus
JP2005293707A (ja) * 2004-03-31 2005-10-20 Konica Minolta Opto Inc 光ピックアップ装置
JP2004265592A (ja) * 2004-05-19 2004-09-24 Matsushita Electric Ind Co Ltd 光ディスク装置及び対物レンズ駆動装置
TWI268503B (en) * 2004-09-22 2006-12-11 Sony Corp Optical pickup and optical disk apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI383389B (zh) * 2007-04-26 2013-01-21 Ricoh Co Ltd 光學拾取頭及資訊處理裝置

Also Published As

Publication number Publication date
JPWO2006064735A1 (ja) 2008-06-12
US7796477B2 (en) 2010-09-14
WO2006064735A1 (ja) 2006-06-22
CN1961364A (zh) 2007-05-09
US20070165500A1 (en) 2007-07-19
KR20070087487A (ko) 2007-08-28
CN100590720C (zh) 2010-02-17

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