CN102667932A - 光拾取装置用的物镜和光拾取装置 - Google Patents

光拾取装置用的物镜和光拾取装置 Download PDF

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Publication number
CN102667932A
CN102667932A CN2010800584703A CN201080058470A CN102667932A CN 102667932 A CN102667932 A CN 102667932A CN 2010800584703 A CN2010800584703 A CN 2010800584703A CN 201080058470 A CN201080058470 A CN 201080058470A CN 102667932 A CN102667932 A CN 102667932A
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CN
China
Prior art keywords
object lens
lens
information recording
formula
max
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.)
Pending
Application number
CN2010800584703A
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English (en)
Chinese (zh)
Inventor
小野雄树
木村彻
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
Publication of CN102667932A publication Critical patent/CN102667932A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
CN2010800584703A 2009-12-25 2010-12-15 光拾取装置用的物镜和光拾取装置 Pending CN102667932A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009-295184 2009-12-25
JP2009295184 2009-12-25
PCT/JP2010/072530 WO2011078022A1 (ja) 2009-12-25 2010-12-15 光ピックアップ装置用の対物レンズ及び光ピックアップ装置

Publications (1)

Publication Number Publication Date
CN102667932A true CN102667932A (zh) 2012-09-12

Family

ID=44195552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010800584703A Pending CN102667932A (zh) 2009-12-25 2010-12-15 光拾取装置用的物镜和光拾取装置

Country Status (3)

Country Link
JP (1) JPWO2011078022A1 (ja)
CN (1) CN102667932A (ja)
WO (1) WO2011078022A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030152014A1 (en) * 2001-09-18 2003-08-14 Asahi Kogaku Kogyo Kabushiki Kaisha High NA objective lens for optical pick-up
JP2007133967A (ja) * 2005-11-10 2007-05-31 Canon Inc 光学式情報記録再生装置
CN101581824A (zh) * 2008-05-16 2009-11-18 富士能株式会社 物镜、光拾取装置、光记录/再现装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5128428B2 (ja) * 2007-09-26 2013-01-23 パナソニック株式会社 光学ヘッド、光学ヘッドの製造方法及び光ディスク装置
JP2009277295A (ja) * 2008-05-14 2009-11-26 Hitachi Maxell Ltd 光ピックアップレンズ
JP2010027183A (ja) * 2008-07-24 2010-02-04 Hoya Corp 光情報記録再生装置用対物レンズ、および光情報記録再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030152014A1 (en) * 2001-09-18 2003-08-14 Asahi Kogaku Kogyo Kabushiki Kaisha High NA objective lens for optical pick-up
JP2007133967A (ja) * 2005-11-10 2007-05-31 Canon Inc 光学式情報記録再生装置
CN101581824A (zh) * 2008-05-16 2009-11-18 富士能株式会社 物镜、光拾取装置、光记录/再现装置

Also Published As

Publication number Publication date
WO2011078022A1 (ja) 2011-06-30
JPWO2011078022A1 (ja) 2013-05-02

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SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120912