DE60300289D1 - Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät - Google Patents

Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät

Info

Publication number
DE60300289D1
DE60300289D1 DE60300289T DE60300289T DE60300289D1 DE 60300289 D1 DE60300289 D1 DE 60300289D1 DE 60300289 T DE60300289 T DE 60300289T DE 60300289 T DE60300289 T DE 60300289T DE 60300289 D1 DE60300289 D1 DE 60300289D1
Authority
DE
Germany
Prior art keywords
objective lens
lens
recording
optical scanning
scanning device
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
DE60300289T
Other languages
English (en)
Other versions
DE60300289T2 (de
Inventor
Tohru Kimura
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 Inc
Original Assignee
Konica Minolta 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 Inc filed Critical Konica Minolta Inc
Publication of DE60300289D1 publication Critical patent/DE60300289D1/de
Application granted granted Critical
Publication of DE60300289T2 publication Critical patent/DE60300289T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/18Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13922Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B2007/13727Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60300289T 2002-06-25 2003-06-20 Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät Expired - Fee Related DE60300289T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002184249A JP2004029288A (ja) 2002-06-25 2002-06-25 対物レンズ、光ピックアップ装置及び記録再生装置
JP2002184249 2002-06-25

Publications (2)

Publication Number Publication Date
DE60300289D1 true DE60300289D1 (de) 2005-03-03
DE60300289T2 DE60300289T2 (de) 2005-12-22

Family

ID=29717576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60300289T Expired - Fee Related DE60300289T2 (de) 2002-06-25 2003-06-20 Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät

Country Status (8)

Country Link
US (1) US7079473B2 (de)
EP (1) EP1376186B1 (de)
JP (1) JP2004029288A (de)
KR (1) KR20040002636A (de)
CN (1) CN1307455C (de)
AT (1) ATE288087T1 (de)
DE (1) DE60300289T2 (de)
TW (1) TW200401118A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5199835B2 (ja) * 2008-11-04 2013-05-15 Hoya株式会社 光情報記録再生装置用対物レンズ、および光情報記録再生装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932578B2 (ja) 1996-10-24 2007-06-20 ソニー株式会社 対物レンズ及び光学ピックアップ装置
JP3608333B2 (ja) * 1997-03-06 2005-01-12 ソニー株式会社 光学ピックアップ及び光学ピックアップ用対物レンズの組み立て方法
JP4010040B2 (ja) * 1997-12-25 2007-11-21 ソニー株式会社 光学ヘッド並びに記録及び/又は再生装置
JP4364328B2 (ja) * 1998-12-17 2009-11-18 フジノン株式会社 高密度光記録媒体用対物レンズ
JP3770367B2 (ja) * 1999-05-11 2006-04-26 シャープ株式会社 光ピックアップ装置
US6898168B2 (en) * 2000-05-12 2005-05-24 Konica Corporation Optical pick-up apparatus
US6590717B2 (en) * 2000-09-26 2003-07-08 Matsushita Electric Industrial Co., Ltd. Optical system for optical disk, optical head unit for optical disk, and optical drive device

Also Published As

Publication number Publication date
US20030235138A1 (en) 2003-12-25
TW200401118A (en) 2004-01-16
KR20040002636A (ko) 2004-01-07
CN1487325A (zh) 2004-04-07
ATE288087T1 (de) 2005-02-15
EP1376186A1 (de) 2004-01-02
US7079473B2 (en) 2006-07-18
DE60300289T2 (de) 2005-12-22
EP1376186B1 (de) 2005-01-26
CN1307455C (zh) 2007-03-28
JP2004029288A (ja) 2004-01-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee