DE60008691D1 - Optische Abtastvorrichtung - Google Patents

Optische Abtastvorrichtung

Info

Publication number
DE60008691D1
DE60008691D1 DE60008691T DE60008691T DE60008691D1 DE 60008691 D1 DE60008691 D1 DE 60008691D1 DE 60008691 T DE60008691 T DE 60008691T DE 60008691 T DE60008691 T DE 60008691T DE 60008691 D1 DE60008691 D1 DE 60008691D1
Authority
DE
Germany
Prior art keywords
optical scanner
scanner
optical
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.)
Expired - Lifetime
Application number
DE60008691T
Other languages
English (en)
Other versions
DE60008691T2 (de
Inventor
Tae-Kyung Kim
Chong-Sam Chung
Young-Man Ahn
Hea-Jung Seo
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE60008691D1 publication Critical patent/DE60008691D1/de
Application granted granted Critical
Publication of DE60008691T2 publication Critical patent/DE60008691T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/127Lasers; Multiple laser arrays
    • G11B7/1275Two or more lasers having different wavelengths
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B2007/13727Compound 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
DE60008691T 2000-01-14 2000-09-08 Optische Abtastvorrichtung Expired - Lifetime DE60008691T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2000001782 2000-01-14
KR1020000001782A KR100657251B1 (ko) 2000-01-14 2000-01-14 광픽업장치

Publications (2)

Publication Number Publication Date
DE60008691D1 true DE60008691D1 (de) 2004-04-08
DE60008691T2 DE60008691T2 (de) 2005-03-10

Family

ID=19638701

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60008691T Expired - Lifetime DE60008691T2 (de) 2000-01-14 2000-09-08 Optische Abtastvorrichtung

Country Status (6)

Country Link
US (1) US6590851B1 (de)
EP (1) EP1117096B1 (de)
JP (1) JP2001216678A (de)
KR (1) KR100657251B1 (de)
CN (1) CN1159713C (de)
DE (1) DE60008691T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001090795A1 (fr) * 2000-05-23 2001-11-29 Matsushita Electric Industrial Co., Ltd. Lentille d'objectif et tete optique
JP2001356263A (ja) * 2000-06-12 2001-12-26 Pioneer Electronic Corp 組み合わせ対物レンズ、光ピックアップ装置、光学式記録再生装置及び組み合わせ対物レンズ製造方法
JP3810051B2 (ja) * 2000-06-20 2006-08-16 フジノン株式会社 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
AU2001294248A1 (en) * 2000-10-16 2002-04-29 Konica Corporation Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
WO2002063619A1 (fr) * 2001-02-01 2002-08-15 Fujitsu Limited Dispositif de stockage optique
JP4610118B2 (ja) * 2001-03-30 2011-01-12 Hoya株式会社 光ヘッド用対物レンズ
JP4373036B2 (ja) * 2001-08-31 2009-11-25 パイオニア株式会社 光ピックアップ
JP2003165272A (ja) * 2001-11-30 2003-06-10 Fuji Photo Film Co Ltd 光情報記録媒体
JP2003296959A (ja) * 2002-03-26 2003-10-17 Samsung Electro Mech Co Ltd 波長選択性開口制限素子と波長選択性ビームスプリッタ及びそれを備えた光ピックアップ装置
KR20040003908A (ko) * 2002-07-04 2004-01-13 엘지전자 주식회사 슬림형 렌즈를 이용한 광 픽업
CN100472624C (zh) 2002-12-10 2009-03-25 旭硝子株式会社 光信息记录媒体用的物镜
KR100509493B1 (ko) 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
EP1471514A3 (de) 2003-04-22 2006-10-04 Konica Minolta Opto, Inc. Optische Abtastvorrichtung und Vorrichtung zur optischen Aufnahme und Wiedergabe von Information, Aufweitungslinse, Kopplungslinse und optisches Element zur Korrektur chromatischer Aberration
US7436750B2 (en) * 2003-06-19 2008-10-14 Call/Recall Inc. Optical storage with ultra high storage capacity
KR100940205B1 (ko) 2003-07-01 2010-02-10 삼성전자주식회사 호환형 광픽업
JP4216155B2 (ja) * 2003-09-19 2009-01-28 フジノン株式会社 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
US20060198279A1 (en) * 2003-10-27 2006-09-07 Konica Minolta Opto, Inc. Optical pickup apparatus
JP4349520B2 (ja) * 2003-10-27 2009-10-21 フジノン株式会社 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
TW200532676A (en) * 2004-03-30 2005-10-01 Hon Hai Prec Ind Co Ltd Optical reading/writing system
JP2005322356A (ja) * 2004-05-11 2005-11-17 Canon Inc 光ピックアップ装置
JPWO2005117001A1 (ja) * 2004-05-27 2008-04-03 コニカミノルタオプト株式会社 対物光学系、光ピックアップ装置、及び光ディスクドライブ装置
CN100370527C (zh) * 2004-11-06 2008-02-20 鸿富锦精密工业(深圳)有限公司 半导体激光装置及采用该半导体激光装置的光学拾取装置
KR100683888B1 (ko) 2005-01-20 2007-02-15 삼성전자주식회사 광픽업 장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01233411A (ja) 1988-03-15 1989-09-19 Seiko Epson Corp 石英非球面レンズ、およびそれを構成要素とする光ビックアップヘッド
JPH0581698A (ja) 1991-09-20 1993-04-02 Sanyo Electric Co Ltd 波長切換式光ピツクアツプ
JPH08184753A (ja) 1994-12-28 1996-07-16 Konica Corp 光ディスク用光学系
JPH09236745A (ja) * 1995-12-26 1997-09-09 Ricoh Co Ltd 光走査用レンズ及び光走査装置
US5933401A (en) * 1996-06-07 1999-08-03 Samsung Electronics Co., Ltd. Optical pickup having plural optical sources and plural optical detectors
JPH10106019A (ja) * 1996-09-24 1998-04-24 Nec Corp 2波長分離型光ヘッド
DE69840116D1 (de) * 1997-03-13 2008-11-27 Hitachi Maxell Optische Linse und optischer Abtastkopf
JPH11110806A (ja) 1997-10-03 1999-04-23 Seiko Epson Corp 光学ヘッドおよび光記憶装置
US6343058B1 (en) * 1997-10-30 2002-01-29 Ricoh Company, Ltd. Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot
US6449235B1 (en) * 1998-04-04 2002-09-10 Lg Electronics, Inc. Optical pick-up apparatus and optical recording/reproducing apparatus using the same
KR100278786B1 (ko) * 1998-06-18 2001-01-15 구자홍 광기록매체와 광 기록/재생 방법 및 장치
JP2000082232A (ja) * 1998-06-24 2000-03-21 Ricoh Co Ltd 光ピックアップ装置
EP0996120B1 (de) * 1998-10-23 2007-06-13 Samsung Electronics Co., Ltd. Mit DVD und beschreibbarer CD kompatibler optischer Abtastkopf mit holographischer Ringlinse
JP2000195087A (ja) * 1998-12-25 2000-07-14 Matsushita Electric Ind Co Ltd 光ヘッド及び当該光ヘッドを用いた光ディスク装置

Also Published As

Publication number Publication date
CN1306273A (zh) 2001-08-01
EP1117096B1 (de) 2004-03-03
KR100657251B1 (ko) 2006-12-19
JP2001216678A (ja) 2001-08-10
KR20010073413A (ko) 2001-08-01
US6590851B1 (en) 2003-07-08
CN1159713C (zh) 2004-07-28
EP1117096A3 (de) 2002-07-03
DE60008691T2 (de) 2005-03-10
EP1117096A2 (de) 2001-07-18

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Legal Events

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