JP2006323907A - 光ピックアップ装置 - Google Patents

光ピックアップ装置 Download PDF

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Publication number
JP2006323907A
JP2006323907A JP2005144849A JP2005144849A JP2006323907A JP 2006323907 A JP2006323907 A JP 2006323907A JP 2005144849 A JP2005144849 A JP 2005144849A JP 2005144849 A JP2005144849 A JP 2005144849A JP 2006323907 A JP2006323907 A JP 2006323907A
Authority
JP
Japan
Prior art keywords
optical
light
objective lens
pickup device
light source
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Withdrawn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
JP2005144849A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006323907A5 (enExample
Inventor
Tatsuro Ide
達朗 井手
Takeshi Shimano
健 島野
Katsuhiko Kimura
勝彦 木村
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.)
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Media Electronics Co Ltd
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 Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Priority to JP2005144849A priority Critical patent/JP2006323907A/ja
Priority to US11/329,142 priority patent/US20060262702A1/en
Publication of JP2006323907A publication Critical patent/JP2006323907A/ja
Publication of JP2006323907A5 publication Critical patent/JP2006323907A5/ja
Withdrawn legal-status Critical Current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
    • G11B7/12—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
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • 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)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2005144849A 2005-05-18 2005-05-18 光ピックアップ装置 Withdrawn JP2006323907A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005144849A JP2006323907A (ja) 2005-05-18 2005-05-18 光ピックアップ装置
US11/329,142 US20060262702A1 (en) 2005-05-18 2006-01-11 Optical pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005144849A JP2006323907A (ja) 2005-05-18 2005-05-18 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2006323907A true JP2006323907A (ja) 2006-11-30
JP2006323907A5 JP2006323907A5 (enExample) 2008-02-14

Family

ID=37448206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005144849A Withdrawn JP2006323907A (ja) 2005-05-18 2005-05-18 光ピックアップ装置

Country Status (2)

Country Link
US (1) US20060262702A1 (enExample)
JP (1) JP2006323907A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006012391A (ja) * 2004-05-28 2006-01-12 Ricoh Co Ltd 光ピックアップとこれを用いる光情報処理装置
WO2008149557A1 (ja) * 2007-06-06 2008-12-11 Panasonic Corporation 光ディスク装置およびレンズチルト制御方法
WO2012140832A1 (ja) * 2011-04-13 2012-10-18 パナソニック株式会社 光ディスク装置とその制御方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008097661A (ja) * 2006-10-06 2008-04-24 Sanyo Electric Co Ltd 光ピックアップ装置
US7855844B2 (en) * 2007-05-17 2010-12-21 Mitutoyo Corporation Objective lens and optical measuring device
KR20090027533A (ko) * 2007-09-12 2009-03-17 삼성전자주식회사 멀티 채널 광 기록/재생장치 및 그 제어 방법
US8085645B2 (en) * 2009-03-13 2011-12-27 Panasonic Corporation Optical pickup device and optical disk apparatus
JP5108147B2 (ja) * 2009-04-24 2012-12-26 パイオニア株式会社 光記録媒体ドライブ装置及び記録方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838496A (en) * 1995-08-28 1998-11-17 Asahi Kogaku Kogyo Kabushiki Kaisha Diffractive multi-focal objective lens
TW426803B (en) * 1998-06-26 2001-03-21 Asahi Optical Co Ltd Objective lens for optical pick-up
US6650612B1 (en) * 1999-03-31 2003-11-18 Matsushita Electric Industrial Co., Ltd. Optical head and recording reproduction method
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
JP2004326861A (ja) * 2003-04-22 2004-11-18 Konica Minolta Opto Inc 対物光学素子、光ピックアップ装置及び光情報記録再生装置
JP2005174416A (ja) * 2003-12-09 2005-06-30 Konica Minolta Opto Inc 回折光学素子、対物光学系、光ピックアップ装置及び光情報記録再生装置
US7277526B2 (en) * 2004-04-09 2007-10-02 Lyncean Technologies, Inc. Apparatus, system, and method for high flux, compact compton x-ray source

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006012391A (ja) * 2004-05-28 2006-01-12 Ricoh Co Ltd 光ピックアップとこれを用いる光情報処理装置
WO2008149557A1 (ja) * 2007-06-06 2008-12-11 Panasonic Corporation 光ディスク装置およびレンズチルト制御方法
US8077565B2 (en) 2007-06-06 2011-12-13 Panasonic Corporation Optical disc device and lens tilt control method
JP5108881B2 (ja) * 2007-06-06 2012-12-26 パナソニック株式会社 光ディスク装置およびレンズチルト制御方法
WO2012140832A1 (ja) * 2011-04-13 2012-10-18 パナソニック株式会社 光ディスク装置とその制御方法
US9047886B2 (en) 2011-04-13 2015-06-02 Panasonic Intellectual Property Management Co., Ltd. Optical disk device and method for controlling the same

Also Published As

Publication number Publication date
US20060262702A1 (en) 2006-11-23

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