JP2007122815A - 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置 - Google Patents

光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置 Download PDF

Info

Publication number
JP2007122815A
JP2007122815A JP2005314515A JP2005314515A JP2007122815A JP 2007122815 A JP2007122815 A JP 2007122815A JP 2005314515 A JP2005314515 A JP 2005314515A JP 2005314515 A JP2005314515 A JP 2005314515A JP 2007122815 A JP2007122815 A JP 2007122815A
Authority
JP
Japan
Prior art keywords
spherical aberration
focus offset
value
optical disc
aberration correction
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Withdrawn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
JP2005314515A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007122815A5 (enExample
Inventor
Yasuyuki Miyaoka
康之 宮岡
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2005314515A priority Critical patent/JP2007122815A/ja
Priority to US11/550,454 priority patent/US20070097809A1/en
Publication of JP2007122815A publication Critical patent/JP2007122815A/ja
Publication of JP2007122815A5 publication Critical patent/JP2007122815A5/ja
Withdrawn legal-status Critical Current

Links

Images

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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • 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
    • G11B7/1392—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2005314515A 2005-10-28 2005-10-28 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置 Withdrawn JP2007122815A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005314515A JP2007122815A (ja) 2005-10-28 2005-10-28 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置
US11/550,454 US20070097809A1 (en) 2005-10-28 2006-10-18 Method of adjusting spherical aberration and focus offset in optical disk apparatus and optical disk apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005314515A JP2007122815A (ja) 2005-10-28 2005-10-28 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置

Publications (2)

Publication Number Publication Date
JP2007122815A true JP2007122815A (ja) 2007-05-17
JP2007122815A5 JP2007122815A5 (enExample) 2007-07-26

Family

ID=38016919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005314515A Withdrawn JP2007122815A (ja) 2005-10-28 2005-10-28 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置

Country Status (2)

Country Link
US (1) US20070097809A1 (enExample)
JP (1) JP2007122815A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010067575A1 (ja) 2008-12-10 2010-06-17 三菱電機株式会社 光情報処理方法及び光情報処理装置
TWI406275B (zh) * 2010-08-20 2013-08-21 Sunplus Technology Co Ltd 光碟機中尋找最佳聚焦偏壓及球差補償值的方法與裝置
JP2014182842A (ja) * 2013-03-18 2014-09-29 Toshiba Alpine Automotive Technology Corp 光ディスク装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825579B2 (ja) * 2006-05-23 2011-11-30 株式会社日立製作所 光ディスク装置
JP2008016165A (ja) * 2006-07-10 2008-01-24 Canon Inc 記録パワー調整方法及び光ディスク装置
US7936646B2 (en) * 2006-08-15 2011-05-03 Koninklijke Philips Electronics N.V. Spherical aberration compensation adjustment
JP2008293606A (ja) * 2007-05-25 2008-12-04 Funai Electric Co Ltd 光ピックアップ装置
JP4994163B2 (ja) * 2007-09-07 2012-08-08 太陽誘電株式会社 光ディスクの記録方法及び光ディスク記録再生装置
US20090168616A1 (en) * 2007-12-26 2009-07-02 Yi-Jen Chung Spherical aberration compensation method of optical storage device
TWI349934B (en) * 2008-01-15 2011-10-01 Mediatek Inc Method and apparatus for deciding spherical aberration compensation value of optical storage medium
CN102402994A (zh) * 2010-09-16 2012-04-04 凌阳科技股份有限公司 光碟机中寻找最佳聚焦偏压及球差补偿值的方法与装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233578A (en) * 1988-12-28 1993-08-03 Canon Kabushiki Kaisha Method of recording information on a recording medium having at least two magnetic layers
EP0387052B1 (en) * 1989-03-09 1995-09-20 Canon Kabushiki Kaisha Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift
EP0559391B1 (en) * 1992-03-03 1998-06-03 Canon Kabushiki Kaisha Magnetooptical recording/reproducing method and apparatus
JPH10334534A (ja) * 1997-05-28 1998-12-18 Canon Inc 光磁気記録再生方法及び光磁気記録再生装置
JPH1131343A (ja) * 1997-07-08 1999-02-02 Canon Inc 光磁気記録再生方法及び光磁気記録再生装置と光磁気記録方法
JP3703315B2 (ja) * 1997-10-01 2005-10-05 キヤノン株式会社 光磁気記録再生方法及びその再生装置
JPH11353732A (ja) * 1998-06-10 1999-12-24 Canon Inc 光磁気記録再生方法及び装置
JP2000200450A (ja) * 1998-10-30 2000-07-18 Canon Inc 光磁気記録再生方法及び装置
US6713346B2 (en) * 1999-03-01 2004-03-30 Micron Technology, Inc. Methods of forming a line of flash memory cells
US7260032B2 (en) * 2001-08-06 2007-08-21 Sharp Kabushiki Kaisha Focal point adjusting method, and optical pickup device
JP2003317344A (ja) * 2002-04-26 2003-11-07 Canon Inc 光磁気記録方法、及び光磁気記録装置
CN1320538C (zh) * 2002-06-21 2007-06-06 夏普株式会社 拾光器球面像差补偿方法和拾光装置
JP2005011385A (ja) * 2003-06-16 2005-01-13 Canon Inc 磁区拡大型光磁気再生方法及び装置
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
JP2008016165A (ja) * 2006-07-10 2008-01-24 Canon Inc 記録パワー調整方法及び光ディスク装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010067575A1 (ja) 2008-12-10 2010-06-17 三菱電機株式会社 光情報処理方法及び光情報処理装置
US8638646B2 (en) 2008-12-10 2014-01-28 Mitsubishi Electric Corporation Optical information processing method and optical information processing apparatus
TWI406275B (zh) * 2010-08-20 2013-08-21 Sunplus Technology Co Ltd 光碟機中尋找最佳聚焦偏壓及球差補償值的方法與裝置
JP2014182842A (ja) * 2013-03-18 2014-09-29 Toshiba Alpine Automotive Technology Corp 光ディスク装置

Also Published As

Publication number Publication date
US20070097809A1 (en) 2007-05-03

Similar Documents

Publication Publication Date Title
US7031233B2 (en) Optical recording/reproduction device and focal point control method
US7782722B2 (en) Method of adjusting spherical aberration and focus offset and information recording/reproduction apparatus using the same
KR20070053114A (ko) 재생 장치, 구면수차 보정치 및 포커스 바이어스 조정 방법
US7344077B2 (en) Optical pickup control apparatus, optical pickup control method, and optical disc apparatus
JP4319521B2 (ja) 光記録装置および収差補正方法
JP2007122815A (ja) 光ディスク装置の球面収差及びフォーカスオフセット調整方法、それを用いた光ディスク装置
CN100412965C (zh) 盘驱动装置与球面像差校正方法
US7602690B2 (en) Aberration adjustment device, method thereof, optical pickup, and optical information recording apparatus
JP4581825B2 (ja) 光ディスク装置、フォーカスバイアス及び球面収差補正値調整方法
US20080205248A1 (en) Optimization Spherical Aberration to Determine Current Layer
US20080101168A1 (en) Optical disk apparatus and recording method of the same
JPH09231588A (ja) 光ディスクドライブ
JP2009140573A (ja) 光ディスク装置及びフォーカスジャンプ方法
JP4520906B2 (ja) タンジェンシャルチルト検出装置および光ディスク装置
JP2006221705A (ja) 光ディスク装置及びその調整方法
JP4332799B2 (ja) 光ピックアップ、ディスクドライブ装置並びに光ピックアップにおけるフォーカスバイアス及び球面収差に関する調整値検出方法
JP2003217140A (ja) 光ディスクドライブ装置
KR100948145B1 (ko) 포커스 서보 제어 방법 및 장치와 이를 이용한 광 디스크드라이브
JP4396707B2 (ja) 光ディスク装置
CN101093683A (zh) 光盘设备
JP2007200419A (ja) 光ディスク装置の調整方法と光ディスク装置
WO2006013927A1 (ja) 記録再生装置、球面収差補正方法
JP2006155716A (ja) 光ディスク装置及び光ディスクのチルト補正方法
JP2005166088A (ja) 光ディスク装置
KR20050016276A (ko) 광 기록 재생 장치 및 초점 제어 방법

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070611

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080207

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081021

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20090324

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091202

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100201

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20100203