KR101464757B1 - 대물렌즈, 광픽업 및 광디스크 장치 - Google Patents

대물렌즈, 광픽업 및 광디스크 장치 Download PDF

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Publication number
KR101464757B1
KR101464757B1 KR1020080073873A KR20080073873A KR101464757B1 KR 101464757 B1 KR101464757 B1 KR 101464757B1 KR 1020080073873 A KR1020080073873 A KR 1020080073873A KR 20080073873 A KR20080073873 A KR 20080073873A KR 101464757 B1 KR101464757 B1 KR 101464757B1
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South Korea
Prior art keywords
wavelength
diffractive
light beam
objective lens
optical
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KR1020080073873A
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English (en)
Korean (ko)
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KR20090013070A (ko
Inventor
가즈마사 가네다
요시또 아소마
도시후미 야스이
가즈유끼 다까하시
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소니 주식회사
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    • 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
    • G11B7/1353—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
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
KR1020080073873A 2007-07-30 2008-07-29 대물렌즈, 광픽업 및 광디스크 장치 Expired - Fee Related KR101464757B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007197961 2007-07-30
JPJP-P-2007-00197961 2007-07-30
JP2007303610 2007-11-22
JPJP-P-2007-00303610 2007-11-22
JP2008063383 2008-03-12
JPJP-P-2008-00063383 2008-03-12

Publications (2)

Publication Number Publication Date
KR20090013070A KR20090013070A (ko) 2009-02-04
KR101464757B1 true KR101464757B1 (ko) 2014-11-24

Family

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KR1020080073873A Expired - Fee Related KR101464757B1 (ko) 2007-07-30 2008-07-29 대물렌즈, 광픽업 및 광디스크 장치

Country Status (5)

Country Link
US (2) US7924684B2 (enExample)
JP (2) JP4586904B2 (enExample)
KR (1) KR101464757B1 (enExample)
CN (1) CN101359489B (enExample)
TW (1) TWI394152B (enExample)

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JPWO2009057415A1 (ja) * 2007-10-30 2011-03-10 コニカミノルタオプト株式会社 対物レンズ及び光ピックアップ装置
US8208361B2 (en) * 2008-03-18 2012-06-26 Konica Minolta Opto, Inc. Objective lens and optical pickup apparatus
JP4502079B2 (ja) * 2008-05-27 2010-07-14 コニカミノルタオプト株式会社 対物レンズ及び光ピックアップ装置
US8406111B2 (en) * 2008-07-30 2013-03-26 Konica Minolta Optp, Inc. Objective lens and optical pickup device
JP5169981B2 (ja) * 2009-04-27 2013-03-27 ソニー株式会社 光ピックアップ、光ディスク装置、光ピックアップ製造方法及び光ピックアップ制御方法
US20100309554A1 (en) * 2009-06-03 2010-12-09 Panasonic Corporation Color separation microlens and color separation grating
JP2011141909A (ja) * 2009-06-18 2011-07-21 Sony Corp 対物レンズ、光ピックアップ及び光ディスク装置
WO2011033782A1 (ja) * 2009-09-17 2011-03-24 パナソニック株式会社 光学素子、光ピックアップ装置
CN102365682B (zh) * 2010-01-27 2014-09-17 松下电器产业株式会社 复合物镜、光学头装置、光学信息装置以及信息处理装置
US8432782B2 (en) * 2010-07-26 2013-04-30 Panasonic Corporation Objective lens, optical head, optical disk apparatus, and information processing apparatus
US8902506B2 (en) 2010-09-30 2014-12-02 Panasonic Corporation Laser speckle reduction element
WO2012090852A1 (ja) * 2010-12-28 2012-07-05 コニカミノルタオプト株式会社 光ピックアップ装置用の対物レンズ、光ピックアップ装置及び光情報記録再生装置
JP5658183B2 (ja) 2011-02-15 2015-01-21 パナソニックＩｐマネジメント株式会社 対物レンズ素子及びこれを備える光ヘッド装置
JP5799686B2 (ja) * 2011-09-07 2015-10-28 ソニー株式会社 対物レンズ、光ピックアップ装置、及び光ディスク装置
JP5358753B1 (ja) 2011-12-26 2013-12-04 パナソニック株式会社 光学素子およびこれを備える光ヘッド装置
JPWO2013099201A1 (ja) 2011-12-28 2015-04-30 パナソニックＩｐマネジメント株式会社 光学素子およびこれを備える光ヘッド装置
WO2013146267A1 (ja) * 2012-03-28 2013-10-03 コニカミノルタ株式会社 対物レンズ及び光ピックアップ装置
JP5595568B1 (ja) * 2013-08-28 2014-09-24 三菱重工業株式会社 レーザ加工装置
KR102582652B1 (ko) * 2016-12-21 2023-09-25 삼성디스플레이 주식회사 레이저 결정화 장치

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JP2004079146A (ja) 2001-10-12 2004-03-11 Konica Minolta Holdings Inc 光ピックアップ装置、対物レンズ、回折光学素子、光学素子及び記録・再生装置
JP2004362626A (ja) 2003-06-02 2004-12-24 Pentax Corp 光ピックアップ用対物レンズおよび光ピックアップ装置

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TWI239002B (en) * 2000-03-10 2005-09-01 Sony Corp Optical recording/reproducing apparatus, optical head apparatus, optical disc drive apparatus, tracking control method for use therein, and optical disc
JP2002250809A (ja) * 2001-02-26 2002-09-06 Alps Electric Co Ltd 光学部材およびそれを用いた光ピックアップ
TWI239520B (en) * 2001-10-12 2005-09-11 Konica Corp Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
TW561466B (en) * 2001-12-07 2003-11-11 Ind Tech Res Inst Multi-wavelength optical pickup
JP2003288733A (ja) * 2002-03-28 2003-10-10 Asahi Glass Co Ltd 開口制限素子および光ヘッド装置
US7245407B2 (en) * 2002-06-10 2007-07-17 Matsushita Electric Industrial Co., Ltd. Complex objective lens compatible with information media of different thicknesses
US7408866B2 (en) * 2003-02-14 2008-08-05 Konica Minolta Holdings, Inc. Objective lens for optical pickup apparatus, optical pickup apparatus and optical information recording reproducing apparatus
JP4433818B2 (ja) * 2003-02-14 2010-03-17 コニカミノルタホールディングス株式会社 光ピックアップ装置用の対物レンズ、光ピックアップ装置及び光情報記録再生装置
JP4338534B2 (ja) * 2003-05-09 2009-10-07 パイオニア株式会社 光ピックアップ、光学部材及び情報再生装置
JP4274429B2 (ja) 2003-06-17 2009-06-10 Ｈｏｙａ株式会社 光ピックアップ用対物レンズおよび光ピックアップ装置
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JP2005166173A (ja) * 2003-12-03 2005-06-23 Konica Minolta Opto Inc 光ピックアップ装置及び光情報記録再生装置
WO2005091280A1 (ja) 2004-03-19 2005-09-29 Pioneer Corporation 光学素子、光ピックアップ及び光情報記録再生装置
TWI254293B (en) * 2004-07-02 2006-05-01 Ind Tech Res Inst Optical read-write head
DE602005018801D1 (de) 2004-10-08 2010-02-25 Pioneer Corp Optisches brechungselement, objektivlinsenmodul, optischer abnehmer, und optische informaitonsaufzeichnungs-/-wiedergabevorrichtung
CN1860535B (zh) 2004-10-29 2011-05-11 柯尼卡美能达精密光学株式会社 物镜、光拾取装置及光盘驱动装置
US8064314B2 (en) 2005-07-28 2011-11-22 Panasonic Corporation Optical head and optical disc device
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JP4093287B2 (ja) 2006-07-14 2008-06-04 コニカミノルタオプト株式会社 光ピックアップ装置、対物光学素子及び光情報記録再生装置
JP2009059407A (ja) 2007-08-31 2009-03-19 Konica Minolta Opto Inc 光ピックアップ装置及び光ピックアップ装置の対物レンズ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004079146A (ja) 2001-10-12 2004-03-11 Konica Minolta Holdings Inc 光ピックアップ装置、対物レンズ、回折光学素子、光学素子及び記録・再生装置
JP2004362626A (ja) 2003-06-02 2004-12-24 Pentax Corp 光ピックアップ用対物レンズおよび光ピックアップ装置

Also Published As

Publication number Publication date
US8102749B2 (en) 2012-01-24
TWI394152B (zh) 2013-04-21
JP2009245575A (ja) 2009-10-22
US20090034398A1 (en) 2009-02-05
US7924684B2 (en) 2011-04-12
JP2010170694A (ja) 2010-08-05
CN101359489A (zh) 2009-02-04
JP4711019B2 (ja) 2011-06-29
CN101359489B (zh) 2012-05-02
JP4586904B2 (ja) 2010-11-24
US20110075543A1 (en) 2011-03-31
KR20090013070A (ko) 2009-02-04
TW200921661A (en) 2009-05-16

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