KR100803710B1 - 광학 픽업 장치 및 디스크 드라이브 장치 - Google Patents

광학 픽업 장치 및 디스크 드라이브 장치 Download PDF

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Publication number
KR100803710B1
KR100803710B1 KR1020010072898A KR20010072898A KR100803710B1 KR 100803710 B1 KR100803710 B1 KR 100803710B1 KR 1020010072898 A KR1020010072898 A KR 1020010072898A KR 20010072898 A KR20010072898 A KR 20010072898A KR 100803710 B1 KR100803710 B1 KR 100803710B1
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KR
South Korea
Prior art keywords
objective lens
disk
optical
coating layer
lens
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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 - Fee Related
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KR1020010072898A
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English (en)
Korean (ko)
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KR20020040599A (ko
Inventor
무라타모리히로
스즈키아키라
Original Assignee
소니 가부시끼 가이샤
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Publication of KR20020040599A publication Critical patent/KR20020040599A/ko
Application granted granted Critical
Publication of KR100803710B1 publication Critical patent/KR100803710B1/ko
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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
    • G11B7/135—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
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
    • 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
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
KR1020010072898A 2000-11-22 2001-11-22 광학 픽업 장치 및 디스크 드라이브 장치 Expired - Fee Related KR100803710B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2000-00355864 2000-11-22
JP2000355864 2000-11-22
JP2001301594A JP4569800B2 (ja) 2000-11-22 2001-09-28 光学ピックアップ装置及びディスクドライブ装置
JPJP-P-2001-00301594 2001-09-28

Publications (2)

Publication Number Publication Date
KR20020040599A KR20020040599A (ko) 2002-05-30
KR100803710B1 true KR100803710B1 (ko) 2008-02-15

Family

ID=26604447

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010072898A Expired - Fee Related KR100803710B1 (ko) 2000-11-22 2001-11-22 광학 픽업 장치 및 디스크 드라이브 장치

Country Status (10)

Country Link
US (1) US6781946B2 (https=)
EP (1) EP1209670B1 (https=)
JP (1) JP4569800B2 (https=)
KR (1) KR100803710B1 (https=)
CN (1) CN1193356C (https=)
DE (1) DE60142279D1 (https=)
HK (1) HK1049541B (https=)
MY (1) MY126101A (https=)
SG (1) SG96664A1 (https=)
TW (1) TW583651B (https=)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
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US6857125B2 (en) * 2001-12-10 2005-02-15 Akros Limited Contact member to optical disk, protecting film for optical disk and coating composition
JP4017896B2 (ja) * 2002-03-15 2007-12-05 Ｎｔｎ株式会社 光ディスク用ピックアップ装置およびその対物レンズ保護部材
JP2004045330A (ja) * 2002-07-15 2004-02-12 Ricoh Co Ltd 非接触温度検知装置
JP2004118992A (ja) * 2002-09-30 2004-04-15 Pioneer Electronic Corp 光ディスク再生装置、対物レンズ、保護部材および光ディスク再生方法
JP2004185721A (ja) * 2002-12-03 2004-07-02 Sharp Corp 光ピックアップ装置
KR100493049B1 (ko) 2003-02-18 2005-06-02 삼성전자주식회사 광픽업 액츄에이터 및 이를 채용한 광 기록 및/또는 재생기기
US20040202063A1 (en) * 2003-04-09 2004-10-14 Osamu Mizuno Optical disk apparatus
JP2005108365A (ja) * 2003-10-01 2005-04-21 Ntn Corp 光学式ピックアップのレンズホルダおよびレンズプロテクタ、ならびにそれらの製造方法
JP2005149665A (ja) * 2003-11-19 2005-06-09 Fujitsu Ltd 光磁気ヘッドおよび光磁気ディスク装置
JP2006012210A (ja) * 2004-06-22 2006-01-12 Canon Inc 光ディスク装置
CN1755829B (zh) * 2004-08-31 2012-05-16 柯尼卡美能达精密光学株式会社 光拾取器装置及其透镜单元、透镜单元用镜框和装配方法
JP2006155825A (ja) * 2004-11-30 2006-06-15 Sharp Corp レンズ支持機構、光ピックアップ装置、および、記録再生装置
JP4516446B2 (ja) * 2005-02-23 2010-08-04 アルプス電気株式会社 ホログラムを用いた記録媒体装置
JPWO2006098361A1 (ja) * 2005-03-17 2008-08-28 松下電器産業株式会社 光ピックアップ装置および光ディスク装置
WO2006101099A1 (ja) * 2005-03-22 2006-09-28 Matsushita Electric Industrial Co., Ltd. 光ディスク装置、及び光ディスク装置の制御方法
JP2007018632A (ja) * 2005-07-08 2007-01-25 Sharp Corp 対物レンズ保持装置およびその利用
JP2007066433A (ja) * 2005-08-31 2007-03-15 Canon Inc 光ディスク装置
JP2007080316A (ja) * 2005-09-12 2007-03-29 Sanyo Electric Co Ltd ピックアップ装置およびそれを備えるディスク装置
TW200713251A (en) * 2005-09-14 2007-04-01 Lite On It Corp Micro optical pickup head
JP4717074B2 (ja) * 2005-10-14 2011-07-06 パイオニア株式会社 衝突防止機構及びその製造方法
JP2007200418A (ja) * 2006-01-25 2007-08-09 Funai Electric Co Ltd 対物レンズアクチュエータ及びそれを備えた光ピックアップ装置
JP2008084503A (ja) * 2006-09-29 2008-04-10 Funai Electric Co Ltd 対物レンズのチルト調整機構
JPWO2008096565A1 (ja) * 2007-02-08 2010-05-20 コニカミノルタオプト株式会社 複合対物レンズ及び光ピックアップ装置
JP2008210458A (ja) * 2007-02-27 2008-09-11 Funai Electric Co Ltd 対物レンズアクチュエータ及びそれを備えた光ピックアップ装置
JP2009015934A (ja) * 2007-07-03 2009-01-22 Funai Electric Co Ltd 光ピックアップ用レンズホルダ及びそれを備えた光ピックアップ
US7898929B2 (en) * 2007-07-20 2011-03-01 Sanyo Electric Co., Ltd. Objective lens, and method of manufacturing the same and optical pickup apparatus
JP2009032301A (ja) * 2007-07-24 2009-02-12 Pioneer Electronic Corp アクチュエータ装置および光ピックアップ装置
JP2009104740A (ja) 2007-10-25 2009-05-14 Funai Electric Co Ltd 光ピックアップ
JP4591589B2 (ja) * 2008-10-16 2010-12-01 パナソニック株式会社 光ディスク装置
JP2010192035A (ja) * 2009-02-18 2010-09-02 Funai Electric Co Ltd 対物レンズアクチュエータ
CN103140891B (zh) * 2011-09-30 2016-04-20 松下知识产权经营株式会社 拾光装置、光信息装置及信息处理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05144041A (ja) * 1992-04-15 1993-06-11 Sony Corp 対物レンズ装置
JPH06302001A (ja) * 1993-04-15 1994-10-28 Seiko Epson Corp 光ピックアップ及び光記録再生装置及びカートリッジ

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63269333A (ja) * 1987-04-28 1988-11-07 Pioneer Electronic Corp 光学式ピツクアツプ装置
JPH0254433A (ja) * 1988-08-18 1990-02-23 Matsushita Electric Ind Co Ltd 光学式ピックアップ
JPH04129039A (ja) * 1990-09-18 1992-04-30 Sony Corp 光学式ピックアップ
EP0551190A3 (en) 1992-01-07 1994-10-26 Ibm Optical data storage system with reduced particle contamination
JPH09120562A (ja) * 1996-05-07 1997-05-06 Ntn Corp 光学式ピックアップのアクチュエータ用レンズホルダー支持軸の製造方法
JPH10221583A (ja) * 1997-02-03 1998-08-21 Matsushita Electric Ind Co Ltd 光ピックアップ装置
US6217968B1 (en) * 1997-04-21 2001-04-17 Hitachi Maxell, Ltd. Optical recording medium, optical head and optical recording device
US5995304A (en) * 1997-07-02 1999-11-30 Fuji Photo Optical Co., Ltd. Plastic lens
DE59813644D1 (de) 1997-09-05 2006-08-31 Osram Opto Semiconductors Gmbh Immersionssystem
JP3259029B2 (ja) 1998-10-02 2002-02-18 東北大学長 不等厚断面形状部材を曲げ非球面を形成する方法
JP2000111710A (ja) * 1998-10-08 2000-04-21 Sony Corp プラスチックスレンズ
EP1057177A1 (en) 1998-12-21 2000-12-06 Koninklijke Philips Electronics N.V. Optical scanning device
JP4136160B2 (ja) * 1999-02-19 2008-08-20 株式会社ソニー・コンピュータエンタテインメント 対物レンズ
JP2001209956A (ja) * 2000-01-27 2001-08-03 Hitachi Ltd 光ディスク装置
JP4141622B2 (ja) * 2000-07-05 2008-08-27 パイオニア株式会社 ピックアップ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05144041A (ja) * 1992-04-15 1993-06-11 Sony Corp 対物レンズ装置
JPH06302001A (ja) * 1993-04-15 1994-10-28 Seiko Epson Corp 光ピックアップ及び光記録再生装置及びカートリッジ

Also Published As

Publication number Publication date
EP1209670A2 (en) 2002-05-29
US20020060974A1 (en) 2002-05-23
MY126101A (en) 2006-09-29
JP2002222535A (ja) 2002-08-09
JP4569800B2 (ja) 2010-10-27
SG96664A1 (en) 2003-06-16
HK1049541B (zh) 2005-10-14
KR20020040599A (ko) 2002-05-30
US6781946B2 (en) 2004-08-24
TW583651B (en) 2004-04-11
EP1209670B1 (en) 2010-06-02
CN1357883A (zh) 2002-07-10
CN1193356C (zh) 2005-03-16
DE60142279D1 (de) 2010-07-15
HK1049541A1 (en) 2003-05-16
EP1209670A3 (en) 2007-05-30

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