ATE549717T1 - Objektivlinse und optischer aufnehmer mit der objektivlinse - Google Patents

Objektivlinse und optischer aufnehmer mit der objektivlinse

Info

Publication number
ATE549717T1
ATE549717T1 AT10172514T AT10172514T ATE549717T1 AT E549717 T1 ATE549717 T1 AT E549717T1 AT 10172514 T AT10172514 T AT 10172514T AT 10172514 T AT10172514 T AT 10172514T AT E549717 T1 ATE549717 T1 AT E549717T1
Authority
AT
Austria
Prior art keywords
far
field
objective lens
lens
optical
Prior art date
Application number
AT10172514T
Other languages
English (en)
Inventor
Stephan Knappmann
Joachim Knittel
Juergen Moessner
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Application granted granted Critical
Publication of ATE549717T1 publication Critical patent/ATE549717T1/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
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • 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)
  • Optical Recording Or Reproduction (AREA)
AT10172514T 2009-08-24 2010-08-11 Objektivlinse und optischer aufnehmer mit der objektivlinse ATE549717T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09305783A EP2290647A1 (de) 2009-08-24 2009-08-24 Objektivlinse und optische Aufnahme mit der Objektivlinse

Publications (1)

Publication Number Publication Date
ATE549717T1 true ATE549717T1 (de) 2012-03-15

Family

ID=41338643

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10172514T ATE549717T1 (de) 2009-08-24 2010-08-11 Objektivlinse und optischer aufnehmer mit der objektivlinse

Country Status (7)

Country Link
US (1) US8054734B2 (de)
EP (2) EP2290647A1 (de)
JP (1) JP5591626B2 (de)
KR (1) KR20110020753A (de)
CN (1) CN101996651B (de)
AT (1) ATE549717T1 (de)
TW (1) TWI500989B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104808268B (zh) * 2014-01-29 2017-03-29 西安交通大学 多焦点透镜及其加工设备、加工方法
CN104807818B (zh) * 2014-01-29 2017-12-15 西安交通大学 三维静态及动态显微检测系统及方法
US10133051B2 (en) * 2014-03-11 2018-11-20 Fei Efa, Inc. Self correcting floating SIL tip
CN112305703A (zh) * 2020-11-26 2021-02-02 电子科技大学中山学院 一种焦距长的多焦点系统
CN112305702A (zh) * 2020-11-26 2021-02-02 电子科技大学中山学院 一种便捷的多焦点光路系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100491858B1 (ko) * 1996-03-08 2005-09-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 대물렌즈및이대물렌즈를사용하는주사장치
JPH11259897A (ja) * 1998-03-13 1999-09-24 Ricoh Co Ltd 光ピックアップ
JP2004512628A (ja) * 2000-10-27 2004-04-22 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 光走査デバイス
JP2002184025A (ja) * 2000-12-08 2002-06-28 Minolta Co Ltd 情報記録再生装置
US20060067204A1 (en) * 2002-12-04 2006-03-30 Koninklijke Philips Electronics N.V. Objective lens and scanning device using such an objective lens
CA2562879A1 (en) 2004-04-20 2005-11-03 Koninklijke Philips Electronics N.V. Optical data storage system and method of optical recording and/or reading
US20080089208A1 (en) * 2004-10-11 2008-04-17 Koninklijke Philips Electronics, N.V. Near Field Lens-To-Carrier Approach
CN101326578A (zh) * 2005-12-06 2008-12-17 皇家飞利浦电子股份有限公司 用于光学记录的空气隙饲服机构
JP2008041219A (ja) * 2006-08-09 2008-02-21 Sony Corp 光ディスク装置及びサーボ制御方法
JP2008065931A (ja) * 2006-09-08 2008-03-21 Canon Inc 対物レンズとｓｉｌの制御方法及び光ディスク装置
WO2008048023A2 (en) * 2006-10-16 2008-04-24 Lg Electronics Inc. Optical pickup unit, apparatus for recording/reproducing data, method for controlling the apparatus, control method, and recording medium
JP2008204562A (ja) * 2007-02-21 2008-09-04 Canon Inc 光情報記録再生装置
JP4891394B2 (ja) * 2007-03-29 2012-03-07 パイオニア株式会社 再生装置、及びギャップ制御方法
JP2008310921A (ja) * 2007-06-18 2008-12-25 Canon Inc 光情報記録再生装置
JP4345859B2 (ja) * 2007-09-12 2009-10-14 ソニー株式会社 光学ピックアップ装置、光記録再生装置及びギャップの制御方法
JP2009093745A (ja) * 2007-10-05 2009-04-30 Sanyo Electric Co Ltd 光ピックアップ装置、光ディスク装置、ギャップ調整装置およびギャップ調整方法

Also Published As

Publication number Publication date
CN101996651B (zh) 2015-05-06
EP2290647A1 (de) 2011-03-02
EP2290648B1 (de) 2012-03-14
KR20110020753A (ko) 2011-03-03
TW201109759A (en) 2011-03-16
CN101996651A (zh) 2011-03-30
TWI500989B (zh) 2015-09-21
US8054734B2 (en) 2011-11-08
US20110044154A1 (en) 2011-02-24
JP2011048896A (ja) 2011-03-10
JP5591626B2 (ja) 2014-09-17
EP2290648A1 (de) 2011-03-02

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