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

    • 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
    • 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
    • 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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • 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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Microscoopes, Condenser (AREA)
  • Holo Graphy (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (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
KR20050091756A (ko) * 2002-12-30 2005-09-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사 장치용의 디스크 드라이브
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
EP1784824A1 (de) * 2004-07-02 2007-05-16 Koninklijke Philips Electronics N.V. Optische einrichtung zur aufzeichnung und wiedergabe
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
KR900003686B1 (ko) * 1985-11-27 1990-05-30 마쯔시다덴기산교 가부시기가이샤 광학기록 재생장치
ATE156275T1 (de) * 1993-01-04 1997-08-15 Philips Electronics Nv Strahlformendes optisches element, strahlungsquelle und abtasteinheit mit diesem element
KR100491858B1 (ko) * 1996-03-08 2005-09-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 대물렌즈및이대물렌즈를사용하는주사장치
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
JP2003506810A (ja) * 1999-07-28 2003-02-18 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 光学走査装置

Also Published As

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

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Legal Events

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