KR20110020753A - 대물 렌즈 및 이 대물 렌즈를 포함하는 광 픽업 - Google Patents

대물 렌즈 및 이 대물 렌즈를 포함하는 광 픽업 Download PDF

Info

Publication number
KR20110020753A
KR20110020753A KR1020100081679A KR20100081679A KR20110020753A KR 20110020753 A KR20110020753 A KR 20110020753A KR 1020100081679 A KR1020100081679 A KR 1020100081679A KR 20100081679 A KR20100081679 A KR 20100081679A KR 20110020753 A KR20110020753 A KR 20110020753A
Authority
KR
South Korea
Prior art keywords
lens
beam path
objective lens
working distance
optical
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.)
Withdrawn
Application number
KR1020100081679A
Other languages
English (en)
Korean (ko)
Inventor
스테판 크나프만
요아킴 크니텔
위르겐 모에스너
Original Assignee
톰슨 라이센싱
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 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20110020753A publication Critical patent/KR20110020753A/ko
Withdrawn legal-status Critical Current

Links

Images

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)
KR1020100081679A 2009-08-24 2010-08-23 대물 렌즈 및 이 대물 렌즈를 포함하는 광 픽업 Withdrawn KR20110020753A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09305783A EP2290647A1 (en) 2009-08-24 2009-08-24 Objective lens and optical pickup comprising the objective lens
EP09305783.4 2009-08-24

Publications (1)

Publication Number Publication Date
KR20110020753A true KR20110020753A (ko) 2011-03-03

Family

ID=41338643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100081679A Withdrawn KR20110020753A (ko) 2009-08-24 2010-08-23 대물 렌즈 및 이 대물 렌즈를 포함하는 광 픽업

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210066751A (ko) * 2019-11-28 2021-06-07 주식회사 로투보 포커싱 렌즈

Families Citing this family (6)

* 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
KR102352024B1 (ko) * 2014-03-11 2022-01-14 디씨지 시스템스 인코포레이티드 Sil 팁을 플로팅하는 것을 자체 정정
JP7280804B2 (ja) * 2019-10-24 2023-05-24 浜松ホトニクス株式会社 固浸レンズユニット及び半導体検査装置
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
ATE274228T1 (de) * 1996-03-08 2004-09-15 Koninkl Philips Electronics Nv Objektivlinse und abtastanordnung mit einer solchen objektivlinse
JPH11259897A (ja) * 1998-03-13 1999-09-24 Ricoh Co Ltd 光ピックアップ
ATE395695T1 (de) * 2000-10-27 2008-05-15 Koninkl Philips Electronics Nv Optische abtastvorrichtung
JP2002184025A (ja) * 2000-12-08 2002-06-28 Minolta Co Ltd 情報記録再生装置
WO2004051636A2 (en) * 2002-12-04 2004-06-17 Koninklijke Philips Electronics N.V. Objective lens and scanning device using such an objective lens
MXPA06012051A (es) 2004-04-20 2007-01-25 Koninkl Philips Electronics Nv Sistema de almacenamiento de datos opticos y metodo de grabacion y/o lectura optica.
WO2006040705A1 (en) * 2004-10-11 2006-04-20 Koninklijke Philips Electronics N.V. Near field optical lens-to-carrier approach.
EP1961003B1 (en) * 2005-12-06 2010-02-10 Koninklijke Philips Electronics N.V. Air gap servo for optical recording
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210066751A (ko) * 2019-11-28 2021-06-07 주식회사 로투보 포커싱 렌즈

Also Published As

Publication number Publication date
US20110044154A1 (en) 2011-02-24
EP2290647A1 (en) 2011-03-02
EP2290648B1 (en) 2012-03-14
US8054734B2 (en) 2011-11-08
TWI500989B (zh) 2015-09-21
JP2011048896A (ja) 2011-03-10
CN101996651B (zh) 2015-05-06
ATE549717T1 (de) 2012-03-15
CN101996651A (zh) 2011-03-30
TW201109759A (en) 2011-03-16
JP5591626B2 (ja) 2014-09-17
EP2290648A1 (en) 2011-03-02

Similar Documents

Publication Publication Date Title
US7791986B2 (en) Optical information recording/reproducing apparatus
JP5591626B2 (ja) 対物レンズ及び対物レンズを備えた光ピックアップ
KR20100076784A (ko) 비구면 렌즈 및 이를 대물렌즈로 채용한 광픽업
US20080212418A1 (en) Optical disc device
JP4726253B2 (ja) 光ピックアップ及び情報機器
JP2007293963A (ja) 光情報記録再生装置
KR20100106223A (ko) 광 픽업 장치 및 대물 렌즈
JP4312214B2 (ja) 光ピックアップ装置
JP2011118997A (ja) ピックアップ装置、光記録再生装置及び記録再生方法
KR100776023B1 (ko) 근접장 광 저장 장치에서의 갭 마진 확보 방법
US20090161522A1 (en) Apparatus for Reproducing and/or Recording and Recording Medium
US8223615B2 (en) Compatible near field optical recording/reproducing apparatus
JP5675460B2 (ja) ディスク装置
JP2007250073A (ja) 光情報記録再生装置
JP2008243318A (ja) 光情報記録再生装置
JP2012178202A (ja) 光ディスク装置
JP2011216164A (ja) 光ピックアップ装置
US20090161501A1 (en) Focus control method and optical disc apparatus
EP2267704A1 (en) Optical pickup and optical disc device
JP2002039914A (ja) 収差検出方法、収差検出装置並びに光ピックアップ装置
JP2007250066A (ja) 光情報記録再生装置
JP2007250072A (ja) 光情報記録再生装置
JP2009252335A (ja) 光ディスク装置の信号記録層識別方法
JP2006134496A (ja) 光学ヘッド装置及び光学式記録媒体を用いた情報処理装置
JP2009301671A (ja) 光ピックアップ装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20100823

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid