WO2009014093A1 - 合成樹脂レンズの製造方法、改質合成樹脂材の製造方法および光ピックアップ装置 - Google Patents

合成樹脂レンズの製造方法、改質合成樹脂材の製造方法および光ピックアップ装置 Download PDF

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Publication number
WO2009014093A1
WO2009014093A1 PCT/JP2008/063033 JP2008063033W WO2009014093A1 WO 2009014093 A1 WO2009014093 A1 WO 2009014093A1 JP 2008063033 W JP2008063033 W JP 2008063033W WO 2009014093 A1 WO2009014093 A1 WO 2009014093A1
Authority
WO
WIPO (PCT)
Prior art keywords
synthetic resin
laser light
blue
resin material
violet laser
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.)
Ceased
Application number
PCT/JP2008/063033
Other languages
English (en)
French (fr)
Inventor
Tohru Hotta
Ryoichi Kawasaki
Hiroyuki Ichikawa
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.)
Sanyo Electric Co Ltd
Sanyo Electronic Device Sales Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Optec Design Co Ltd
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 Sanyo Electric Co Ltd, Sanyo Optec Design Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2008551591A priority Critical patent/JPWO2009014093A1/ja
Priority to CN2008800012548A priority patent/CN101568963B/zh
Publication of WO2009014093A1 publication Critical patent/WO2009014093A1/ja
Priority to US12/468,758 priority patent/US8223614B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Lenses (AREA)

Abstract

【課題】　赤色レーザ光の累積照射に伴う赤色レーザ光の透過率の低下度合は小さいが青紫色レーザ光の累積照射に伴う青紫色レーザ光の透過率の低下度合が大きいために、赤色レーザ光対応の対物レンズ材としては広く用いられてきたが青紫レーザ光対応の対物レンズ材としては実用に供することができなかった合成樹脂材を、青紫レーザ光対応の対物レンズ材としても使用することができるようにする。 【解決手段】　合成樹脂からなるレンズ部材に対して、青紫色レーザ光より短波長の電磁波を照射することにより、当該レンズ部材の、青紫色レーザ光の累積照射に伴う青紫レーザ光の透過率の変化度合を調整する。
PCT/JP2008/063033 2007-07-20 2008-07-18 合成樹脂レンズの製造方法、改質合成樹脂材の製造方法および光ピックアップ装置 Ceased WO2009014093A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008551591A JPWO2009014093A1 (ja) 2007-07-20 2008-07-18 合成樹脂レンズの製造方法、改質合成樹脂材の製造方法および光ピックアップ装置
CN2008800012548A CN101568963B (zh) 2007-07-20 2008-07-18 合成树脂透镜的制造方法、改性合成树脂材料的制造方法及光拾取装置
US12/468,758 US8223614B2 (en) 2007-07-20 2009-05-19 Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007189276 2007-07-20
JP2007-189276 2007-07-20
JP2008-181569 2008-07-11
JP2008181569 2008-07-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/468,758 Continuation US8223614B2 (en) 2007-07-20 2009-05-19 Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatus

Publications (1)

Publication Number Publication Date
WO2009014093A1 true WO2009014093A1 (ja) 2009-01-29

Family

ID=40264743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063033 Ceased WO2009014093A1 (ja) 2007-07-20 2008-07-18 合成樹脂レンズの製造方法、改質合成樹脂材の製造方法および光ピックアップ装置

Country Status (3)

Country Link
US (2) US7898929B2 (ja)
JP (2) JPWO2009014093A1 (ja)
WO (1) WO2009014093A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118634625A (zh) 2019-12-30 2024-09-13 Ffi艾欧尼克斯Ip公司 利用阴离子传导膜的环境控制系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188623A (ja) * 2005-01-07 2006-07-20 Hitachi Chem Co Ltd 光学素子用樹脂及びその製造法、それを用いた光学素子
JP2006233122A (ja) * 2005-02-28 2006-09-07 Hitachi Chem Co Ltd 光学素子用樹脂及びこれを用いた光学素子
JP2007119567A (ja) * 2005-10-27 2007-05-17 Konica Minolta Opto Inc プラスチック製光学素子の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5638206A (en) * 1993-09-29 1997-06-10 Ushiodenki Kabushiki Kaisha Confocal optical microscope and length measuring device using this microscope
US6083429A (en) * 1998-03-31 2000-07-04 Intel Corporation Microlens formation through focal plane control of a aerial image
JP2001235678A (ja) * 2000-02-23 2001-08-31 Sony Corp 対物レンズ、光学ピックアップ装置及び光ディスク装置
JP4569800B2 (ja) * 2000-11-22 2010-10-27 ソニー株式会社 光学ピックアップ装置及びディスクドライブ装置
JP3930784B2 (ja) * 2001-09-17 2007-06-13 シャープ株式会社 傾斜量検出装置
JP2004145906A (ja) * 2001-10-02 2004-05-20 Matsushita Electric Ind Co Ltd 光ヘッド装置及びそれを用いた光情報装置
JP4369194B2 (ja) * 2003-09-30 2009-11-18 Ｈｏｙａ株式会社 プラスチックレンズ及びその製造方法
JP2005338684A (ja) 2004-05-31 2005-12-08 Konica Minolta Opto Inc 固定方法、これを用いて作製した光学部品及び光ピックアップ装置
US7499229B2 (en) * 2004-05-31 2009-03-03 Konica Minolta Opto, Inc. Fixing method, optical component and pickup manufactured by the fixing method
KR20070028427A (ko) * 2004-06-24 2007-03-12 아사히 가라스 가부시키가이샤 광학 유리 및 렌즈
US7567499B2 (en) * 2005-08-30 2009-07-28 Victor Company Of Japan, Ltd. Optical disc and method of producing the same
JP5223236B2 (ja) * 2007-05-14 2013-06-26 コニカミノルタアドバンストレイヤー株式会社 対物レンズ及び光ピックアップ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188623A (ja) * 2005-01-07 2006-07-20 Hitachi Chem Co Ltd 光学素子用樹脂及びその製造法、それを用いた光学素子
JP2006233122A (ja) * 2005-02-28 2006-09-07 Hitachi Chem Co Ltd 光学素子用樹脂及びこれを用いた光学素子
JP2007119567A (ja) * 2005-10-27 2007-05-17 Konica Minolta Opto Inc プラスチック製光学素子の製造方法

Also Published As

Publication number Publication date
US20090022038A1 (en) 2009-01-22
US7898929B2 (en) 2011-03-01
US20090252022A1 (en) 2009-10-08
JPWO2009014093A1 (ja) 2010-10-07
JP2010040164A (ja) 2010-02-18
US8223614B2 (en) 2012-07-17

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