DE602004005217D1 - Optische scan-einrichtung - Google Patents

Optische scan-einrichtung

Info

Publication number
DE602004005217D1
DE602004005217D1 DE602004005217T DE602004005217T DE602004005217D1 DE 602004005217 D1 DE602004005217 D1 DE 602004005217D1 DE 602004005217 T DE602004005217 T DE 602004005217T DE 602004005217 T DE602004005217 T DE 602004005217T DE 602004005217 D1 DE602004005217 D1 DE 602004005217D1
Authority
DE
Germany
Prior art keywords
mode
scan device
optical scan
information layer
radiation
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.)
Active
Application number
DE602004005217T
Other languages
English (en)
Other versions
DE602004005217T2 (de
Inventor
Bernardus Hendriks
Joris Jan Vrehen
Pascal Bloemen
Peter Coops
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004005217D1 publication Critical patent/DE602004005217D1/de
Application granted granted Critical
Publication of DE602004005217T2 publication Critical patent/DE602004005217T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/1376—Collimator 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • 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
    • G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
    • 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
DE602004005217T 2003-08-26 2004-08-20 Optische scan-einrichtung Active DE602004005217T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03300095 2003-08-26
EP03300095 2003-08-26
PCT/IB2004/002731 WO2005020219A2 (en) 2003-08-26 2004-08-20 Optical scanning device

Publications (2)

Publication Number Publication Date
DE602004005217D1 true DE602004005217D1 (de) 2007-04-19
DE602004005217T2 DE602004005217T2 (de) 2007-11-15

Family

ID=34203263

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004005217T Active DE602004005217T2 (de) 2003-08-26 2004-08-20 Optische scan-einrichtung

Country Status (8)

Country Link
US (1) US7742381B2 (de)
EP (1) EP1661128B1 (de)
JP (1) JP2007503664A (de)
KR (1) KR20060115723A (de)
CN (1) CN100385536C (de)
AT (1) ATE356407T1 (de)
DE (1) DE602004005217T2 (de)
WO (1) WO2005020219A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100492503C (zh) * 2004-11-15 2009-05-27 松下电器产业株式会社 光学头及信息记录再生装置
JP2006164493A (ja) * 2004-11-15 2006-06-22 Matsushita Electric Ind Co Ltd 光学ヘッド及び情報記録再生装置
US8045426B2 (en) 2007-06-05 2011-10-25 Panasonic Corporation Optical head device, and recording and/or reproducing device
US8643822B2 (en) * 2007-07-03 2014-02-04 Jds Uniphase Corporation Non-etched flat polarization-selective diffractive optical elements
EP2012173A3 (de) * 2007-07-03 2009-12-09 JDS Uniphase Corporation Ungeätzte flache polarisations-selektive optische Diffraktionselemente
JP4479805B2 (ja) 2008-02-15 2010-06-09 ソニー株式会社 レンズ、光源ユニット、バックライト装置及び表示装置
KR101286639B1 (ko) * 2009-09-30 2013-07-22 도시바삼성스토리지테크놀러지코리아 주식회사 광학적 정보 매체에 대한 액세스 방법 및 광 픽업 장치, 이를 적용하는 광 드라이브
EP3065160B1 (de) * 2015-11-02 2017-12-20 FEI Company Nachsäulenfilter mit verbessertem energiebereich

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677903A (en) 1991-03-25 1997-10-14 U.S. Phillips Corporation Multi-layer information storage system with improved aberration correction
KR100385381B1 (ko) * 1994-08-23 2003-05-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 광 기록 캐리어
US5625609A (en) * 1995-03-13 1997-04-29 International Business Machines Corporation Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing
JP4144763B2 (ja) * 1995-04-28 2008-09-03 コニカミノルタホールディングス株式会社 情報ピックアップ装置及び光ディスク装置
JP3751073B2 (ja) * 1995-06-08 2006-03-01 松下電器産業株式会社 光ディスク再生システム
KR100536105B1 (ko) 1997-10-06 2005-12-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 구면수차 검출계 및 그것을 사용하는 광학장치
JP3527685B2 (ja) * 1999-05-10 2004-05-17 シャープ株式会社 光記録再生装置
WO2001009885A1 (en) 1999-07-28 2001-02-08 Koninklijke Philips Electronics N.V. Optical scanning device
JP3911104B2 (ja) 1999-11-30 2007-05-09 ペンタックス株式会社 光情報記録再生装置の光学系
US20020036958A1 (en) * 2000-07-24 2002-03-28 Hidenori Wada Optical element, optical head, optical recording/reproducing apparatus and optical recording/reproducing method
US6898168B2 (en) * 2000-05-12 2005-05-24 Konica Corporation Optical pick-up apparatus
JP3833448B2 (ja) 2000-07-05 2006-10-11 株式会社リコー 光ピックアップ方法および装置および光情報処理装置
CN1255791C (zh) * 2000-10-03 2006-05-10 皇家菲利浦电子有限公司 光学扫描装置
JP2002170276A (ja) 2000-12-01 2002-06-14 Pioneer Electronic Corp 光学式多層情報記録媒体
JP4088472B2 (ja) * 2001-04-12 2008-05-21 松下電器産業株式会社 光ディスク装置
JP2003173572A (ja) 2001-12-06 2003-06-20 Toshiba Corp 光ディスクとその記録再生装置
KR20040062673A (ko) 2001-12-12 2004-07-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
JP2003287675A (ja) * 2002-01-22 2003-10-10 Konica Corp 集光光学系、光ピックアップ装置、記録・再生装置、収差補正素子及び対物レンズ
JP3835402B2 (ja) * 2002-11-19 2006-10-18 株式会社日立製作所 多層光ディスクの情報再生方法および情報再生装置

Also Published As

Publication number Publication date
WO2005020219A2 (en) 2005-03-03
KR20060115723A (ko) 2006-11-09
CN100385536C (zh) 2008-04-30
WO2005020219A3 (en) 2005-06-30
EP1661128B1 (de) 2007-03-07
US20060203302A1 (en) 2006-09-14
DE602004005217T2 (de) 2007-11-15
JP2007503664A (ja) 2007-02-22
ATE356407T1 (de) 2007-03-15
CN1842850A (zh) 2006-10-04
EP1661128A2 (de) 2006-05-31
US7742381B2 (en) 2010-06-22

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: BLOEMEN, PASCAL, PARIS, FR

Inventor name: VREHEN, JORIS JAN, PARIS, FR

Inventor name: HENDRIKS, BERNARDUS, PARIS, FR

Inventor name: COOPS, PETER, PARIS, FR

8364 No opposition during term of opposition