ATE373303T1 - Vorrichtung zur optischen abtastung eines aufzeichnungsträgers - Google Patents

Vorrichtung zur optischen abtastung eines aufzeichnungsträgers

Info

Publication number
ATE373303T1
ATE373303T1 AT99962177T AT99962177T ATE373303T1 AT E373303 T1 ATE373303 T1 AT E373303T1 AT 99962177 T AT99962177 T AT 99962177T AT 99962177 T AT99962177 T AT 99962177T AT E373303 T1 ATE373303 T1 AT E373303T1
Authority
AT
Austria
Prior art keywords
record carrier
plano
convex lens
recording medium
optical scanning
Prior art date
Application number
AT99962177T
Other languages
English (en)
Inventor
Bernardus Hendriks
Josephus Braat
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 ATE373303T1 publication Critical patent/ATE373303T1/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
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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)
  • Optical Recording Or Reproduction (AREA)
AT99962177T 1998-12-10 1999-11-29 Vorrichtung zur optischen abtastung eines aufzeichnungsträgers ATE373303T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98204168 1998-12-10

Publications (1)

Publication Number Publication Date
ATE373303T1 true ATE373303T1 (de) 2007-09-15

Family

ID=8234447

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99962177T ATE373303T1 (de) 1998-12-10 1999-11-29 Vorrichtung zur optischen abtastung eines aufzeichnungsträgers

Country Status (8)

Country Link
EP (1) EP1055230B1 (de)
JP (1) JP2002532816A (de)
KR (1) KR100603893B1 (de)
CN (1) CN1140900C (de)
AT (1) ATE373303T1 (de)
DE (1) DE69937102T2 (de)
TW (1) TW455865B (de)
WO (1) WO2000034949A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728179B1 (en) * 1999-05-10 2004-04-27 Sharp Kabushiki Kaisha Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption
JP2000322757A (ja) 1999-05-12 2000-11-24 Sharp Corp 光記録再生装置
TW564404B (en) 2000-09-06 2003-12-01 Matsushita Electric Industrial Co Ltd Optical disk unit and information recording and reproducing method
CN100347773C (zh) * 2003-03-20 2007-11-07 皇家飞利浦电子股份有限公司 光学扫描设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08221790A (ja) * 1995-02-15 1996-08-30 Sony Corp 光学ピックアップ装置
KR0147628B1 (ko) * 1995-04-13 1998-10-15 김광호 다층 기록막을 갖는 광디스크용 광픽업 장치
JPH08315404A (ja) * 1995-05-18 1996-11-29 Sony Corp 光学ピックアップ装置
US5936928A (en) * 1996-10-01 1999-08-10 Terastor Corporation Multilayer media and use with flying head having solid immersion lens
JP3845982B2 (ja) * 1997-10-17 2006-11-15 ソニー株式会社 光ピックアップ装置
JPH11259903A (ja) * 1998-03-09 1999-09-24 Sharp Corp 光記録再生方法及び光記録再生装置並びに光記録媒体

Also Published As

Publication number Publication date
DE69937102D1 (de) 2007-10-25
CN1140900C (zh) 2004-03-03
WO2000034949A1 (en) 2000-06-15
JP2002532816A (ja) 2002-10-02
TW455865B (en) 2001-09-21
KR100603893B1 (ko) 2006-07-24
CN1296614A (zh) 2001-05-23
EP1055230B1 (de) 2007-09-12
EP1055230A1 (de) 2000-11-29
KR20010040801A (ko) 2001-05-15
DE69937102T2 (de) 2008-06-05

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Legal Events

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