TWI274331B - Optical disc apparatus and optical pickup - Google Patents

Optical disc apparatus and optical pickup Download PDF

Info

Publication number
TWI274331B
TWI274331B TW093112113A TW93112113A TWI274331B TW I274331 B TWI274331 B TW I274331B TW 093112113 A TW093112113 A TW 093112113A TW 93112113 A TW93112113 A TW 93112113A TW I274331 B TWI274331 B TW I274331B
Authority
TW
Taiwan
Prior art keywords
spherical aberration
signal
light
error signal
push
Prior art date
Application number
TW093112113A
Other languages
English (en)
Chinese (zh)
Other versions
TW200511258A (en
Inventor
Shinji Fujita
Fumio Isshiki
Nobuyuki Maeda
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Publication of TW200511258A publication Critical patent/TW200511258A/zh
Application granted granted Critical
Publication of TWI274331B publication Critical patent/TWI274331B/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
    • G11B7/12—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
    • G11B7/1378—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
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
TW093112113A 2003-09-04 2004-04-30 Optical disc apparatus and optical pickup TWI274331B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003312986A JP4171378B2 (ja) 2003-09-04 2003-09-04 記録用光ディスクの球面収差補正方法，光ディスク記録再生方法及び光ディスク装置

Publications (2)

Publication Number Publication Date
TW200511258A TW200511258A (en) 2005-03-16
TWI274331B true TWI274331B (en) 2007-02-21

Family

ID=34225126

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093112113A TWI274331B (en) 2003-09-04 2004-04-30 Optical disc apparatus and optical pickup

Country Status (4)

Country Link
US (1) US7307927B2 (enExample)
JP (1) JP4171378B2 (enExample)
CN (1) CN1282956C (enExample)
TW (1) TWI274331B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100452190C (zh) * 2004-04-23 2009-01-14 松下电器产业株式会社 对焦检测机构、跟踪检测机构以及光盘装置
US20080285408A1 (en) * 2004-06-24 2008-11-20 Matsushita Electric Industrial Co., Ltd. Optical Disk Device and Optical Disk Semiconductor
JP4542496B2 (ja) * 2004-10-25 2010-09-15 パナソニック株式会社 光ディスク装置
JP4727971B2 (ja) * 2004-11-11 2011-07-20 株式会社日立製作所 光ディスク記録再生装置
KR101027402B1 (ko) * 2004-11-16 2011-04-11 주식회사 히타치엘지 데이터 스토리지 코리아 블랭크 디스크에 대한 서보 조정방법
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
TW200715278A (en) * 2005-06-29 2007-04-16 Koninkl Philips Electronics Nv Optimization of spherical aberration to determine current layer
JP4410177B2 (ja) 2005-09-21 2010-02-03 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
JP2007328827A (ja) * 2006-06-06 2007-12-20 Hitachi Ltd 光ディスク装置
EP2015298B1 (en) * 2006-09-20 2010-10-06 Konica Minolta Opto, Inc. Optical pickup device, optical pickup control device and optical pickup control method
JP2008084417A (ja) * 2006-09-27 2008-04-10 Funai Electric Co Ltd 光ディスク装置
JP5143031B2 (ja) * 2008-01-22 2013-02-13 パナソニック株式会社 光ディスクドライブ、光ディスクシステム、光ディスクシステムを搭載した移動体、プログラム、及び記録媒体
JP5399398B2 (ja) * 2008-08-25 2014-01-29 パナソニック株式会社 光学ヘッド、回折格子付き光学素子、光ディスク装置及び情報処理装置
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
TW201025320A (en) * 2008-12-22 2010-07-01 Quanta Storage Inc Method for discriminating abnormal disc
JP2010244669A (ja) * 2009-03-16 2010-10-28 Sony Corp 記録再生装置、及びその調整方法
US20110002117A1 (en) * 2009-06-16 2011-01-06 Panasonic Corporation Optical disc drive
JP5055411B2 (ja) * 2010-08-23 2012-10-24 株式会社日立製作所 光ディスク装置及び光ディスク装置調整方法
JP2013030236A (ja) * 2011-07-27 2013-02-07 Hitachi Media Electoronics Co Ltd 光ディスク装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000011388A (ja) 1998-06-19 2000-01-14 Sony Corp 光情報記録再生装置および光情報記録再生方法
JP3574747B2 (ja) 1998-08-05 2004-10-06 パイオニア株式会社 光ピックアップ、情報再生装置及び情報記録装置
JP3775965B2 (ja) 2000-02-07 2006-05-17 パイオニア株式会社 光学式情報再生装置
JP2001307349A (ja) 2000-04-19 2001-11-02 Hitachi Ltd 光ディスク装置
JP2001351255A (ja) 2000-06-09 2001-12-21 Nec Corp 光ヘッド装置および光学式情報記録再生装置
WO2002021520A1 (en) * 2000-09-06 2002-03-14 Hitachi, Ltd. Optical head and optical disk device
US6967916B2 (en) * 2000-10-10 2005-11-22 Matsushita Electric Industrial Co., Ltd. Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus
JP3769666B2 (ja) * 2000-11-09 2006-04-26 日本電気株式会社 収差補正方法および光ディスク装置
JP2002163830A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体
US7260032B2 (en) 2001-08-06 2007-08-21 Sharp Kabushiki Kaisha Focal point adjusting method, and optical pickup device

Also Published As

Publication number Publication date
CN1591614A (zh) 2005-03-09
US20050052964A1 (en) 2005-03-10
JP2005085311A (ja) 2005-03-31
TW200511258A (en) 2005-03-16
US7307927B2 (en) 2007-12-11
CN1282956C (zh) 2006-11-01
JP4171378B2 (ja) 2008-10-22

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