DE60313382D1 - Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät - Google Patents

Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät

Info

Publication number
DE60313382D1
DE60313382D1 DE60313382T DE60313382T DE60313382D1 DE 60313382 D1 DE60313382 D1 DE 60313382D1 DE 60313382 T DE60313382 T DE 60313382T DE 60313382 T DE60313382 T DE 60313382T DE 60313382 D1 DE60313382 D1 DE 60313382D1
Authority
DE
Germany
Prior art keywords
information recording
lens element
optical
scanning device
optical information
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.)
Expired - Lifetime
Application number
DE60313382T
Other languages
German (de)
English (en)
Inventor
Hidekazu Totsuka
Shinichiro Saito
Katsuya Sakamoto
Kiyono Ikenaka
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.)
Konica Minolta Opto Inc
Original Assignee
Konica Minolta Opto Inc
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 Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Application granted granted Critical
Publication of DE60313382D1 publication Critical patent/DE60313382D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • 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
    • G11B7/12—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
    • G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60313382T 2002-02-22 2003-02-19 Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät Expired - Lifetime DE60313382D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002045979 2002-02-22
JP2002073988 2002-03-18
JP2002236196A JP4259067B2 (ja) 2002-02-22 2002-08-14 光ピックアップ装置の対物光学素子、光ピックアップ装置及び光情報記録再生装置

Publications (1)

Publication Number Publication Date
DE60313382D1 true DE60313382D1 (de) 2007-06-06

Family

ID=27738924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60313382T Expired - Lifetime DE60313382D1 (de) 2002-02-22 2003-02-19 Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät

Country Status (7)

Country Link
US (1) US6856471B2 (enExample)
EP (1) EP1341165B1 (enExample)
JP (1) JP4259067B2 (enExample)
KR (1) KR20030069842A (enExample)
CN (1) CN100489972C (enExample)
DE (1) DE60313382D1 (enExample)
TW (1) TW200306549A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003263437A1 (en) * 2002-09-27 2004-04-19 Koninklijke Philips Electronics N.V. Optical scanning device
TWI266898B (en) * 2002-10-31 2006-11-21 Konica Minolta Holdings Inc Objective optical element and optical pickup apparatus
JP4148509B2 (ja) * 2003-03-03 2008-09-10 Ｈｏｙａ株式会社 光ディスク用対物レンズ
US7313074B2 (en) 2003-06-30 2007-12-25 Ricoh Company, Ltd. Objective lens, optical, pickup and optical information processing apparatus using the same
US20060164967A1 (en) * 2003-08-08 2006-07-27 Kiyono Ikenaka Objective lens and optical pickup device
JP2010153038A (ja) * 2003-09-30 2010-07-08 Hoya Corp 対物レンズ
JP2005129198A (ja) * 2003-09-30 2005-05-19 Pentax Corp 対物レンズ
DE10354780A1 (de) * 2003-11-21 2005-06-30 Schott Ag Refraktiv-diffraktive Hybridlinse, insbesondere zur Strahlformung von Hochleistungsdiodenlasern
KR20060110273A (ko) * 2003-12-25 2006-10-24 코니카 미놀타 옵토 인코포레이티드 대물 렌즈, 광픽업 장치 및 광정보 기록 재생 장치
JP2006012218A (ja) * 2004-06-22 2006-01-12 Konica Minolta Opto Inc 集光光学素子及び光ピックアップ装置
US7843777B2 (en) * 2004-07-21 2010-11-30 Konica Minolta Opto, Inc. Assembly method of optical pickup and optical pickup apparatus
JP2006114081A (ja) * 2004-10-12 2006-04-27 Konica Minolta Opto Inc 対物レンズ及び光ピックアップ装置
WO2006090653A1 (ja) * 2005-02-25 2006-08-31 Matsushita Electric Industrial Co., Ltd. 光ピックアップ装置、それに用いる対物光学系
JP2007066373A (ja) * 2005-08-30 2007-03-15 Hitachi Maxell Ltd 対物レンズ、光ヘッド及び光学系並びに対物レンズの設計方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
JP4006032B2 (ja) * 1995-12-28 2007-11-14 株式会社日立製作所 対物レンズおよび光ヘッド
JP3529556B2 (ja) 1996-07-18 2004-05-24 パイオニア株式会社 光ピックアップにおけるコマ収差補正方法及び装置
DE69720641T2 (de) * 1996-10-23 2004-04-08 Konica Corp. Verfahren zur Aufzeichnung und Wiedergabe eines optischen Aufzeichnungsträgers, Objektivlinse sowie Herstellungsmethode der Objektivlinse
CN1214376C (zh) * 1998-06-26 2005-08-10 宾得株式会社 光学拾像装置的物镜
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
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
US6594222B2 (en) * 1999-12-28 2003-07-15 Pentax Corporation Objective lens for optical pick-up
JP3859416B2 (ja) 2000-02-29 2006-12-20 株式会社日立製作所 対物レンズ、これを用いた光ヘッドおよび光ディスク装置
CN1287185C (zh) 2000-10-06 2006-11-29 宾得株式会社 用于光学头的物镜、光学头以及光盘驱动器
US6597519B2 (en) * 2001-04-26 2003-07-22 Konica Corporation Objective lens, optical pick-up apparatus and optical information recording reproducing apparatus

Also Published As

Publication number Publication date
KR20030069842A (ko) 2003-08-27
CN1440028A (zh) 2003-09-03
EP1341165A3 (en) 2004-06-09
EP1341165B1 (en) 2007-04-25
TW200306549A (en) 2003-11-16
US20030174417A1 (en) 2003-09-18
CN100489972C (zh) 2009-05-20
JP2003344760A (ja) 2003-12-03
US6856471B2 (en) 2005-02-15
JP4259067B2 (ja) 2009-04-30
EP1341165A2 (en) 2003-09-03

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Legal Events

Date Code Title Description
8332 No legal effect for de