KR20070054128A - 광 픽업 장치 및 광 디스크 장치 - Google Patents

광 픽업 장치 및 광 디스크 장치 Download PDF

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Publication number
KR20070054128A
KR20070054128A KR1020060115779A KR20060115779A KR20070054128A KR 20070054128 A KR20070054128 A KR 20070054128A KR 1020060115779 A KR1020060115779 A KR 1020060115779A KR 20060115779 A KR20060115779 A KR 20060115779A KR 20070054128 A KR20070054128 A KR 20070054128A
Authority
KR
South Korea
Prior art keywords
objective lens
spherical aberration
aberration
optical
light
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Withdrawn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
KR1020060115779A
Other languages
English (en)
Korean (ko)
Inventor
쓰구히로 아베
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20070054128A publication Critical patent/KR20070054128A/ko
Withdrawn legal-status Critical Current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
    • G11B7/1374—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
    • 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)
  • Lenses (AREA)
KR1020060115779A 2005-11-22 2006-11-22 광 픽업 장치 및 광 디스크 장치 Withdrawn KR20070054128A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00337137 2005-11-22
JP2005337137A JP4591329B2 (ja) 2005-11-22 2005-11-22 光ピックアップ装置

Publications (1)

Publication Number Publication Date
KR20070054128A true KR20070054128A (ko) 2007-05-28

Family

ID=38053323

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060115779A Withdrawn KR20070054128A (ko) 2005-11-22 2006-11-22 광 픽업 장치 및 광 디스크 장치

Country Status (5)

Country Link
US (1) US7551371B2 (enExample)
JP (1) JP4591329B2 (enExample)
KR (1) KR20070054128A (enExample)
CN (1) CN100562931C (enExample)
TW (1) TW200739568A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008065942A (ja) * 2006-09-08 2008-03-21 Sony Corp 光ピックアップ及びこれを用いた光ディスク装置
JP2009104724A (ja) * 2007-10-24 2009-05-14 Hoya Corp カップリングレンズおよび光情報記録再生装置
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000338395A (ja) * 1999-05-27 2000-12-08 Konica Corp 光ピックアップ装置及び補正レンズ
US6876619B1 (en) * 1999-07-28 2005-04-05 Koninklijke Philips Electronics N.V. Optical scanning device
HUP0303190A2 (hu) * 2000-10-16 2003-12-29 Konica Corporation Tárgylencse, kapcsoló lencse, fénykonvergáló optikai rendszer és optikai felvevő-lejátszó eszköz
TW200502670A (en) * 2002-11-21 2005-01-16 Konica Minolta Holdings Inc Objective lens, optical system and optical pickup apparatus
CN1277261C (zh) * 2003-01-22 2006-09-27 宾得株式会社 光学拾波器的光学系统
JP2004247034A (ja) * 2003-01-22 2004-09-02 Pentax Corp 光ピックアップ光学系

Also Published As

Publication number Publication date
CN101013581A (zh) 2007-08-08
US7551371B2 (en) 2009-06-23
TW200739568A (en) 2007-10-16
US20070115791A1 (en) 2007-05-24
JP2007141410A (ja) 2007-06-07
JP4591329B2 (ja) 2010-12-01
CN100562931C (zh) 2009-11-25

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20061122

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid