ATE414977T1 - Optisches abtastgerät - Google Patents

Optisches abtastgerät

Info

Publication number
ATE414977T1
ATE414977T1 AT01974304T AT01974304T ATE414977T1 AT E414977 T1 ATE414977 T1 AT E414977T1 AT 01974304 T AT01974304 T AT 01974304T AT 01974304 T AT01974304 T AT 01974304T AT E414977 T1 ATE414977 T1 AT E414977T1
Authority
AT
Austria
Prior art keywords
scanning device
optical scanning
density
vergence
record carrier
Prior art date
Application number
AT01974304T
Other languages
English (en)
Inventor
Petrus Jutte
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE414977T1 publication Critical patent/ATE414977T1/de

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
    • 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
    • G11B7/1378Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • G11B7/1353Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • 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)
  • Optical Head (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Microscoopes, Condenser (AREA)
  • Holo Graphy (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT01974304T 2000-10-08 2001-09-26 Optisches abtastgerät ATE414977T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00203492 2000-10-08

Publications (1)

Publication Number Publication Date
ATE414977T1 true ATE414977T1 (de) 2008-12-15

Family

ID=8172116

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01974304T ATE414977T1 (de) 2000-10-08 2001-09-26 Optisches abtastgerät

Country Status (7)

Country Link
US (1) US6683838B2 (de)
EP (1) EP1327244B1 (de)
JP (1) JP2004511875A (de)
KR (1) KR100790419B1 (de)
AT (1) ATE414977T1 (de)
DE (1) DE60136641D1 (de)
WO (1) WO2002031823A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW561466B (en) * 2001-12-07 2003-11-11 Ind Tech Res Inst Multi-wavelength optical pickup
US6961291B2 (en) * 2002-04-03 2005-11-01 Plasmon Lms, Inc. System for enhanced astigmatic focus signal detection
EP1581937B1 (de) * 2002-12-30 2006-09-20 Koninklijke Philips Electronics N.V. Plattenlaufwerk für ein optisches abtastgerät
EP1471514A3 (de) 2003-04-22 2006-10-04 Konica Minolta Opto, Inc. Optische Abtastvorrichtung und Vorrichtung zur optischen Aufnahme und Wiedergabe von Information, Aufweitungslinse, Kopplungslinse und optisches Element zur Korrektur chromatischer Aberration
KR20070015362A (ko) * 2003-10-15 2007-02-02 아리마 디바이시즈 코퍼레이션 온도 보상을 갖는 판독 및 기록 광학 장치
WO2006003552A1 (en) * 2004-07-02 2006-01-12 Arima Devices Corporation Optical device for recording and reproducing
EP2012315A1 (de) * 2007-06-18 2009-01-07 Deutsche Thomson OHG Astigmatismen erzeugendes Element für eine Vorrichtung zum Lesen und/oder Schreiben auf optischen Aufzeichnungsmedien
EP2065752A1 (de) * 2007-11-23 2009-06-03 Koninklijke Philips Electronics N.V. Optisches Beleuchtungsgerät zum Beleuchten einer Probe mit einem Linienstrahl

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823334A (en) * 1985-11-27 1989-04-18 Matsushita Electric Industrial Co., Ltd. Optical head with easily adjustable collimator having two lens components
EP0605923B1 (de) * 1993-01-04 1997-07-30 Koninklijke Philips Electronics N.V. Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element
ATE274228T1 (de) * 1996-03-08 2004-09-15 Koninkl Philips Electronics Nv Objektivlinse und abtastanordnung mit einer solchen objektivlinse
JP2002515624A (ja) * 1998-05-13 2002-05-28 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 記録担体を光学的に走査する装置
JP2000231057A (ja) * 1999-02-10 2000-08-22 Konica Corp 対物レンズ及び光ピックアップ装置
EP1119847A1 (de) * 1999-07-28 2001-08-01 Koninklijke Philips Electronics N.V. Optische abtastvorrichtung

Also Published As

Publication number Publication date
US20020060975A1 (en) 2002-05-23
KR100790419B1 (ko) 2008-01-02
EP1327244B1 (de) 2008-11-19
JP2004511875A (ja) 2004-04-15
KR20020071881A (ko) 2002-09-13
US6683838B2 (en) 2004-01-27
DE60136641D1 (de) 2009-01-02
EP1327244A1 (de) 2003-07-16
WO2002031823A1 (en) 2002-04-18

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Legal Events

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