CN100562931C - 光学拾取设备及光盘设备 - Google Patents

光学拾取设备及光盘设备 Download PDF

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Publication number
CN100562931C
CN100562931C CNB2006100644184A CN200610064418A CN100562931C CN 100562931 C CN100562931 C CN 100562931C CN B2006100644184 A CNB2006100644184 A CN B2006100644184A CN 200610064418 A CN200610064418 A CN 200610064418A CN 100562931 C CN100562931 C CN 100562931C
Authority
CN
China
Prior art keywords
objective lens
spherical aberration
optical
lens
amount
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
CNB2006100644184A
Other languages
English (en)
Chinese (zh)
Other versions
CN101013581A (zh
Inventor
阿部嗣弘
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN101013581A publication Critical patent/CN101013581A/zh
Application granted granted Critical
Publication of CN100562931C publication Critical patent/CN100562931C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
CNB2006100644184A 2005-11-22 2006-11-22 光学拾取设备及光盘设备 Expired - Fee Related CN100562931C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005337137 2005-11-22
JP2005337137A JP4591329B2 (ja) 2005-11-22 2005-11-22 光ピックアップ装置

Publications (2)

Publication Number Publication Date
CN101013581A CN101013581A (zh) 2007-08-08
CN100562931C true CN100562931C (zh) 2009-11-25

Family

ID=38053323

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100644184A Expired - Fee Related CN100562931C (zh) 2005-11-22 2006-11-22 光学拾取设备及光盘设备

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322352A (zh) * 1999-07-28 2001-11-14 皇家菲利浦电子有限公司 光扫描设备
CN1525463A (zh) * 2003-01-22 2004-09-01 ������������ʽ���� 光学拾波器的光学系统

Family Cites Families (4)

* 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
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
JP2004247034A (ja) * 2003-01-22 2004-09-02 Pentax Corp 光ピックアップ光学系

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322352A (zh) * 1999-07-28 2001-11-14 皇家菲利浦电子有限公司 光扫描设备
CN1525463A (zh) * 2003-01-22 2004-09-01 ������������ʽ���� 光学拾波器的光学系统

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
KR20070054128A (ko) 2007-05-28

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091125

Termination date: 20131122