TWI394152B - Objective lens, optical read / write head and optical disc device - Google Patents

Objective lens, optical read / write head and optical disc device Download PDF

Info

Publication number
TWI394152B
TWI394152B TW097122441A TW97122441A TWI394152B TW I394152 B TWI394152 B TW I394152B TW 097122441 A TW097122441 A TW 097122441A TW 97122441 A TW97122441 A TW 97122441A TW I394152 B TWI394152 B TW I394152B
Authority
TW
Taiwan
Prior art keywords
diffraction
wavelength
light
objective lens
optical
Prior art date
Application number
TW097122441A
Other languages
English (en)
Chinese (zh)
Other versions
TW200921661A (en
Inventor
Kazumasa Kaneda
Yoshito Asoma
Toshifumi Yasui
Kazuyuki Takahashi
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of TW200921661A publication Critical patent/TW200921661A/zh
Application granted granted Critical
Publication of TWI394152B publication Critical patent/TWI394152B/zh

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
TW097122441A 2007-07-30 2008-06-16 Objective lens, optical read / write head and optical disc device TWI394152B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007197961 2007-07-30
JP2007303610 2007-11-22
JP2008063383 2008-03-12

Publications (2)

Publication Number Publication Date
TW200921661A TW200921661A (en) 2009-05-16
TWI394152B true TWI394152B (zh) 2013-04-21

Family

ID=40337994

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097122441A TWI394152B (zh) 2007-07-30 2008-06-16 Objective lens, optical read / write head and optical disc device

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)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8254239B2 (en) * 2007-08-02 2012-08-28 Panasonic Corporation Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW411454B (en) * 1998-10-28 2000-11-11 Ind Tech Res Inst Optical read/write head for dual wavelength
TW561466B (en) * 2001-12-07 2003-11-11 Ind Tech Res Inst Multi-wavelength optical pickup
US6791933B1 (en) * 1996-08-29 2004-09-14 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
JP2004265573A (ja) * 2003-02-14 2004-09-24 Konica Minolta Holdings Inc 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
TWI222061B (en) * 2001-02-26 2004-10-11 Alps Electric Co Ltd Optical component and optical sensor using same
US6834036B1 (en) * 1998-10-28 2004-12-21 Matsushita Electric Industrial Co., Ltd. Optical head for a plurality of types of information recording media
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
US6952390B2 (en) * 2003-06-30 2005-10-04 Konica Minolta Opto, Inc. Optical pickup apparatus, condensing optical system, and optical element
TWI254293B (en) * 2004-07-02 2006-05-01 Ind Tech Res Inst Optical read-write head

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3653923B2 (ja) * 1997-03-19 2005-06-02 ソニー株式会社 記録再生装置および方法
ATE291269T1 (de) * 1999-01-22 2005-04-15 Konica Minolta Opto Inc Optische abtastvorrichtung, aufzeichnungs- /- wiedergabegerät mit dieser optischen abtastvorrichtung, optisches element und verfahren zur informationsaufzeichnung /- wiedergabe
JP4120788B2 (ja) 2001-10-12 2008-07-16 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、対物レンズ、回折光学素子、光学素子及び記録・再生装置
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
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
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
JP4328562B2 (ja) 2003-06-02 2009-09-09 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
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
JP2005115152A (ja) * 2003-10-09 2005-04-28 Sankyo Seiki Mfg Co Ltd レンズ、および光ヘッド装置
KR100525229B1 (ko) * 2003-10-13 2005-10-28 삼성전기주식회사 Ｄｖｄ/ｃｄ 호환형의 광픽업용 대물렌즈
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
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
JP4787060B2 (ja) 2006-04-26 2011-10-05 株式会社リコー 光ピックアップおよび光情報処理装置
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6791933B1 (en) * 1996-08-29 2004-09-14 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
TW411454B (en) * 1998-10-28 2000-11-11 Ind Tech Res Inst Optical read/write head for dual wavelength
US6834036B1 (en) * 1998-10-28 2004-12-21 Matsushita Electric Industrial Co., Ltd. Optical head for a plurality of types of information recording media
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
TWI222061B (en) * 2001-02-26 2004-10-11 Alps Electric Co Ltd Optical component and optical sensor using same
TW561466B (en) * 2001-12-07 2003-11-11 Ind Tech Res Inst Multi-wavelength optical pickup
JP2004265573A (ja) * 2003-02-14 2004-09-24 Konica Minolta Holdings Inc 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
US6952390B2 (en) * 2003-06-30 2005-10-04 Konica Minolta Opto, Inc. Optical pickup apparatus, condensing optical system, and optical element
TWI254293B (en) * 2004-07-02 2006-05-01 Ind Tech Res Inst Optical read-write head

Also Published As

Publication number Publication date
US8102749B2 (en) 2012-01-24
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
KR101464757B1 (ko) 2014-11-24
US20110075543A1 (en) 2011-03-31
KR20090013070A (ko) 2009-02-04
TW200921661A (en) 2009-05-16

Similar Documents

Publication Publication Date Title
TWI394152B (zh) Objective lens, optical read / write head and optical disc device
CN101661765B (zh) 会聚光学装置、光学拾取器以及光盘设备
US20080084798A1 (en) Optical pick-up head, optical information apparatus, and optical information reproducing method
JP2011141909A (ja) 対物レンズ、光ピックアップ及び光ディスク装置
JP4849134B2 (ja) 対物レンズ、光ピックアップ及び光ディスク装置
JP2011023092A (ja) 対物レンズ、光ピックアップ及び光ディスク装置
CN1942947B (zh) 物镜光学系统、光拾取装置以及光学信息记录再生装置
JP3948481B2 (ja) 光ピックアップ装置
JP2003344759A (ja) 光記録媒体用対物レンズおよびこれを用いた光ピックアップ装置
JP4370619B2 (ja) 光学素子、光ピックアップ装置及びドライブ装置
JP5024041B2 (ja) 光ピックアップ装置用対物光学素子、光ピックアップ装置用光学素子、光ピックアップ装置用対物光学素子ユニット及び光ピックアップ装置
JP4391026B2 (ja) ２波長用開口制限フィルタおよびこれを用いた光ピックアップ装置
JP2010198717A (ja) 対物レンズ、光ピックアップ及び光ディスク装置
JP2005141800A (ja) 発散角変換素子及び光ピックアップ装置
JP2008130190A (ja) カップリングレンズ及び光ピックアップ装置
JP4577533B2 (ja) 光ピックアップ装置及び対物レンズ
JP3854590B2 (ja) 対物レンズ
KR20060119808A (ko) 대물렌즈 및 그것을 이용한 광픽업장치
JP2011227956A (ja) 対物レンズ、光ピックアップ及び光ディスク装置
JP2004220760A (ja) レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP2012079366A (ja) 対物レンズ、光ピックアップおよび光ディスク装置
JP2006286186A (ja) 光ピックアップ装置
JP2008108305A (ja) 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
JP2011187119A (ja) 対物レンズ、光ピックアップ及び光ディスク装置
JP2004325792A (ja) 回折光学素子及びそれを用いた光ピックアップ装置