TW200739568A - Optical pickup apparatus and optical disc apparatus - Google Patents

Optical pickup apparatus and optical disc apparatus

Info

Publication number
TW200739568A
TW200739568A TW095142607A TW95142607A TW200739568A TW 200739568 A TW200739568 A TW 200739568A TW 095142607 A TW095142607 A TW 095142607A TW 95142607 A TW95142607 A TW 95142607A TW 200739568 A TW200739568 A TW 200739568A
Authority
TW
Taiwan
Prior art keywords
light source
optical
objective lens
pickup apparatus
optical pickup
Prior art date
Application number
TW095142607A
Other languages
English (en)
Inventor
Tsuguhiro Abe
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 TW200739568A publication Critical patent/TW200739568A/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
    • G11B7/1372—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)
TW095142607A 2005-11-22 2006-11-17 Optical pickup apparatus and optical disc apparatus TW200739568A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW200739568A true TW200739568A (en) 2007-10-16

Family

ID=38053323

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095142607A TW200739568A (en) 2005-11-22 2006-11-17 Optical pickup apparatus and optical disc apparatus

Country Status (5)

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

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
EP1119847A1 (en) * 1999-07-28 2001-08-01 Koninklijke Philips Electronics N.V. Optical scanning device
AU2001294248A1 (en) * 2000-10-16 2002-04-29 Konica Corporation Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
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
CN1277261C (zh) * 2003-01-22 2006-09-27 宾得株式会社 光学拾波器的光学系统

Also Published As

Publication number Publication date
US7551371B2 (en) 2009-06-23
CN100562931C (zh) 2009-11-25
JP2007141410A (ja) 2007-06-07
US20070115791A1 (en) 2007-05-24
CN101013581A (zh) 2007-08-08
JP4591329B2 (ja) 2010-12-01
KR20070054128A (ko) 2007-05-28

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