JP4419654B2 - 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
JP4419654B2
JP4419654B2 JP2004110448A JP2004110448A JP4419654B2 JP 4419654 B2 JP4419654 B2 JP 4419654B2 JP 2004110448 A JP2004110448 A JP 2004110448A JP 2004110448 A JP2004110448 A JP 2004110448A JP 4419654 B2 JP4419654 B2 JP 4419654B2
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JP
Japan
Prior art keywords
information recording
optical
light
light source
recording medium
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.)
Expired - Fee Related
Application number
JP2004110448A
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English (en)
Japanese (ja)
Other versions
JP2005293775A (ja
JP2005293775A5 (https=
Inventor
勇一 新
徹 木村
淳司 橋村
勝也 坂本
克哉 八木
耕平 大田
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.)
Konica Minolta Opto Inc
Original Assignee
Konica Minolta Opto 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 Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Priority to JP2004110448A priority Critical patent/JP4419654B2/ja
Priority to US11/092,896 priority patent/US20050219988A1/en
Publication of JP2005293775A publication Critical patent/JP2005293775A/ja
Publication of JP2005293775A5 publication Critical patent/JP2005293775A5/ja
Application granted granted Critical
Publication of JP4419654B2 publication Critical patent/JP4419654B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • G11B7/1378—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
    • 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 Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2004110448A 2004-04-02 2004-04-02 光ピックアップ装置 Expired - Fee Related JP4419654B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004110448A JP4419654B2 (ja) 2004-04-02 2004-04-02 光ピックアップ装置
US11/092,896 US20050219988A1 (en) 2004-04-02 2005-03-30 Optical pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004110448A JP4419654B2 (ja) 2004-04-02 2004-04-02 光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2005293775A JP2005293775A (ja) 2005-10-20
JP2005293775A5 JP2005293775A5 (https=) 2007-05-17
JP4419654B2 true JP4419654B2 (ja) 2010-02-24

Family

ID=35054144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004110448A Expired - Fee Related JP4419654B2 (ja) 2004-04-02 2004-04-02 光ピックアップ装置

Country Status (2)

Country Link
US (1) US20050219988A1 (https=)
JP (1) JP4419654B2 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005327395A (ja) * 2004-05-14 2005-11-24 Sony Corp 光ピックアップ及びこれを用いた記録及び／又は再生装置
JP4363251B2 (ja) * 2004-05-14 2009-11-11 ソニー株式会社 光ピックアップおよび光ディスク装置
WO2006061745A2 (en) * 2004-12-06 2006-06-15 Arima Devices Corporation Optical pick-up unit for use in a multi-disc optical player and method for correcting optical aberrations in such an optical pick-up unit
KR100629487B1 (ko) * 2005-04-27 2006-09-28 삼성전자주식회사 광픽업용 액츄에이터 및 광 기록/재생장치
US7352517B2 (en) * 2005-05-09 2008-04-01 Konica Minolta Opto, Inc. Optical pickup apparatus
US8675464B2 (en) * 2005-11-03 2014-03-18 Cinram Group, Inc. Dual sided optical storage media and method for making same
JP4652972B2 (ja) * 2005-12-27 2011-03-16 三星電子株式会社 互換系対物レンズユニット、その設計方法及び互換系光ピックアップ
JP2007257750A (ja) * 2006-03-24 2007-10-04 Hitachi Media Electoronics Co Ltd 光ピックアップおよび光ディスク装置
JP2008090976A (ja) * 2006-10-04 2008-04-17 Sanyo Electric Co Ltd 光ピックアップ装置
US20090274020A1 (en) * 2006-11-24 2009-11-05 Nec Corporation Optical head unit and optical information recording/reproducing apparatus
JPWO2008143006A1 (ja) * 2007-05-10 2010-08-05 日本電気株式会社 光ヘッド装置及び光学式情報記録再生装置
JP2008293600A (ja) * 2007-05-25 2008-12-04 Funai Electric Co Ltd 光ピックアップ装置
JP2009104748A (ja) * 2007-10-25 2009-05-14 Funai Electric Co Ltd 光ピックアップ
JP2011118997A (ja) * 2009-12-04 2011-06-16 Sony Corp ピックアップ装置、光記録再生装置及び記録再生方法
JP5571189B2 (ja) * 2010-11-24 2014-08-13 株式会社東芝 光ピックアップおよび光ディスク装置
WO2012111552A1 (ja) * 2011-02-14 2012-08-23 コニカミノルタオプト株式会社 光ピックアップ装置及び光情報記録再生装置
US9069175B2 (en) 2011-04-08 2015-06-30 Kairos Instruments, Llc Adaptive phase contrast microscope
US11114271B2 (en) * 2019-11-22 2021-09-07 Fei Company Sixth-order and above corrected STEM multipole correctors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1923932B2 (de) * 1969-05-10 1971-11-11 Verfahren zur holographischen korrektur von abbildungsfehlern eines optischen systems
JPH07140381A (ja) * 1993-11-18 1995-06-02 Sony Corp コマ収差補正方法
JP2000019388A (ja) * 1998-06-30 2000-01-21 Sony Corp 色収差補正用光学素子およびこれを具備する光学ピックアップ装置、ならびにこの光学ピックアップ装置を具備する光再生装置および光記録再生装置
WO2001009885A1 (en) * 1999-07-28 2001-02-08 Koninklijke Philips Electronics N.V. Optical scanning device
JP2002170274A (ja) * 2000-12-05 2002-06-14 Pioneer Electronic Corp 光ピックアップ
JP2002237076A (ja) * 2001-02-06 2002-08-23 Pioneer Electronic Corp 収差補正装置
JP2002243991A (ja) * 2001-02-15 2002-08-28 Nippon Sheet Glass Co Ltd 結合光学系およびそれを用いた光学素子
JP3995993B2 (ja) * 2001-06-22 2007-10-24 パイオニア株式会社 光ピックアップのフォーカシング制御装置及び方法
JP2004327003A (ja) * 2002-07-26 2004-11-18 Sharp Corp 光ピックアップ
EP1553570B1 (en) * 2002-10-10 2008-10-08 Matsushita Electric Industrial Co., Ltd. Optical head and optical disk unit
US6940891B2 (en) * 2002-10-28 2005-09-06 Metron Systems, Inc. High precision optical imaging systems and related systems

Also Published As

Publication number Publication date
US20050219988A1 (en) 2005-10-06
JP2005293775A (ja) 2005-10-20

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