DE60136141D1 - Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen - Google Patents

Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen

Info

Publication number
DE60136141D1
DE60136141D1 DE60136141T DE60136141T DE60136141D1 DE 60136141 D1 DE60136141 D1 DE 60136141D1 DE 60136141 T DE60136141 T DE 60136141T DE 60136141 T DE60136141 T DE 60136141T DE 60136141 D1 DE60136141 D1 DE 60136141D1
Authority
DE
Germany
Prior art keywords
diameter
lens
lens system
optical lens
semi
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
DE60136141T
Other languages
English (en)
Inventor
Jan P Baartman
Bernardus H Hendriks
De Veerdonk Johannes T Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60136141D1 publication Critical patent/DE60136141D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/1376—Collimator lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10545—Heads for reproducing using optical beam of radiation interacting directly with the magnetisation on the record carrier
    • 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
    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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
    • G11B2007/13727—Compound 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)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Lens Barrels (AREA)
  • Prostheses (AREA)
DE60136141T 2000-03-27 2001-02-26 Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen Expired - Fee Related DE60136141D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00201098 2000-03-27
PCT/EP2001/002156 WO2001073776A1 (en) 2000-03-27 2001-02-26 Optical lens system comprising two more than half-spherical lenses

Publications (1)

Publication Number Publication Date
DE60136141D1 true DE60136141D1 (de) 2008-11-27

Family

ID=8171258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60136141T Expired - Fee Related DE60136141D1 (de) 2000-03-27 2001-02-26 Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen

Country Status (11)

Country Link
US (1) US6487026B2 (de)
EP (1) EP1185980B1 (de)
JP (1) JP2003529107A (de)
KR (1) KR100762805B1 (de)
CN (1) CN1174397C (de)
AT (1) ATE411597T1 (de)
BR (1) BR0105378A (de)
DE (1) DE60136141D1 (de)
MY (1) MY126665A (de)
TW (1) TWI230936B (de)
WO (1) WO2001073776A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1185980B1 (de) * 2000-03-27 2008-10-15 Koninklijke Philips Electronics N.V. Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen
JP2004524644A (ja) * 2001-04-25 2004-08-12 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 高い開口数のプラスチック対物レンズを含むスキャン装置
ATE336783T1 (de) * 2001-04-25 2006-09-15 Koninkl Philips Electronics Nv Scanning-einrichtung mit einem teilweise aus kunststoff bestehenden objektivsystem mit hoher na
JP2003021770A (ja) * 2001-07-09 2003-01-24 Sony Corp 対物レンズ、対物レンズの製造方法、光学ピックアップ装置及び記録再生装置
JP2003066300A (ja) * 2001-08-29 2003-03-05 Sony Corp 対物レンズ製造装置及び対物レンズ製造方法
ATE364225T1 (de) * 2002-04-09 2007-06-15 Koninkl Philips Electronics Nv Zusammengesetzte objektivlinse mit umlenkungsspiegel
WO2004015701A1 (en) * 2002-08-05 2004-02-19 Koninklijke Philips Electronics N.V. Scanning device including an objective lens formed of two materials
US6876503B1 (en) 2003-10-28 2005-04-05 Contour Fabricators, Inc. Microscope drape lens protective cover assembly
JP2006085837A (ja) 2004-09-16 2006-03-30 Konica Minolta Opto Inc 対物レンズユニット及びこれを用いた光ピックアップ装置
JP4050271B2 (ja) * 2004-12-07 2008-02-20 シャープ株式会社 対物レンズホルダー、それを備えた対物レンズ駆動装置、及び光ディスク記録再生装置
JP2006285031A (ja) * 2005-04-01 2006-10-19 Sony Corp 可変焦点レンズとこれを用いた光学装置、可変焦点レンズの製造方法
WO2013047174A1 (ja) * 2011-09-30 2013-04-04 コニカミノルタアドバンストレイヤー株式会社 光学素子、その保持構造、及び、光学装置
CN102889549B (zh) * 2012-09-12 2014-01-08 广东宏泰照明科技有限公司 一种渐变梯形光斑透镜
JP1573246S (de) * 2015-12-11 2017-04-03

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0450560B1 (de) * 1990-04-03 1998-07-22 Sumitomo Electric Industries, Ltd. Optische Vorrichtung
US6115347A (en) * 1996-02-12 2000-09-05 Sony Corporation Optical pick-up device, optical recording/reproducing apparatus and objective lens
JPH1069648A (ja) * 1996-08-28 1998-03-10 Sony Corp 光学ピックアップ装置及びこの光学ピックアップ装置の調整方法
JP3787925B2 (ja) * 1996-11-14 2006-06-21 ソニー株式会社 対物レンズ装置及び記録再生装置
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
JPH11259894A (ja) * 1998-03-06 1999-09-24 Ricoh Co Ltd 光ピックアップヘッド
WO1999054872A1 (en) * 1998-04-17 1999-10-28 Koninklijke Philips Electronics N.V. Optical scanning device comprising a lens system with a compact actuator
WO2000008641A1 (en) * 1998-08-07 2000-02-17 Koninklijke Philips Electronics N.V. Optical scanning device and optical apparatus for reading and/or writing information in an information plane provided with such a device
JP2000076695A (ja) * 1998-09-03 2000-03-14 Tdk Corp 光ヘッドおよびその製造方法
EP1041545A1 (de) * 1998-10-21 2000-10-04 Sony Corporation Optischer kopf und antriebsvorrichtung für optisches aufzeichnungsmedium
JP4269471B2 (ja) * 2000-02-21 2009-05-27 ソニー株式会社 光記録媒体、光ピックアップおよび光記録再生装置
EP1185980B1 (de) * 2000-03-27 2008-10-15 Koninklijke Philips Electronics N.V. Optisches linsensystem mit zwei mehr als halbkugelförmigen linsen

Also Published As

Publication number Publication date
ATE411597T1 (de) 2008-10-15
CN1381045A (zh) 2002-11-20
CN1174397C (zh) 2004-11-03
TWI230936B (en) 2005-04-11
US20010038499A1 (en) 2001-11-08
KR100762805B1 (ko) 2007-10-02
MY126665A (en) 2006-10-31
US6487026B2 (en) 2002-11-26
EP1185980A1 (de) 2002-03-13
BR0105378A (pt) 2002-03-05
KR20020027325A (ko) 2002-04-13
EP1185980B1 (de) 2008-10-15
WO2001073776A1 (en) 2001-10-04
JP2003529107A (ja) 2003-09-30

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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