DE60039403D1 - Optische Vorrichtung - Google Patents

Optische Vorrichtung

Info

Publication number
DE60039403D1
DE60039403D1 DE60039403T DE60039403T DE60039403D1 DE 60039403 D1 DE60039403 D1 DE 60039403D1 DE 60039403 T DE60039403 T DE 60039403T DE 60039403 T DE60039403 T DE 60039403T DE 60039403 D1 DE60039403 D1 DE 60039403D1
Authority
DE
Germany
Prior art keywords
optical device
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
DE60039403T
Other languages
English (en)
Inventor
Minoru Ohyama
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP35806999A external-priority patent/JP3518457B2/ja
Priority claimed from JP2000312436A external-priority patent/JP3536805B2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE60039403D1 publication Critical patent/DE60039403D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0912—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by push-pull method
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • 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
DE60039403T 1999-12-16 2000-12-15 Optische Vorrichtung Expired - Lifetime DE60039403D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35806999A JP3518457B2 (ja) 1999-12-16 1999-12-16 光デバイス
JP2000312436A JP3536805B2 (ja) 2000-10-12 2000-10-12 光ピックアップ

Publications (1)

Publication Number Publication Date
DE60039403D1 true DE60039403D1 (de) 2008-08-21

Family

ID=26580727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039403T Expired - Lifetime DE60039403D1 (de) 1999-12-16 2000-12-15 Optische Vorrichtung

Country Status (3)

Country Link
US (2) US6512608B2 (de)
EP (1) EP1109163B1 (de)
DE (1) DE60039403D1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001256666A (ja) * 2000-03-09 2001-09-21 Ricoh Co Ltd 光ピックアップ装置
JP2001256670A (ja) * 2000-03-10 2001-09-21 Sony Corp 光学ピックアップ装置及び光ディスク装置
US7035196B2 (en) * 2000-03-14 2006-04-25 Matsushita Electric Industrial Co., Ltd. Optical head device and optical recording and reproducing apparatus having lasers aligned in a tangential direction
US6928035B2 (en) * 2000-07-07 2005-08-09 Matsushita Electric Industrial Co., Ltd. Optical pick-up, optical disk apparatus and information processing apparatus
US6717897B2 (en) * 2000-07-12 2004-04-06 Sony Corporation Optical pickup apparatus, optical disc apparatus, and track recognition signal detection method
US20020097660A1 (en) * 2000-11-16 2002-07-25 Matsushita Electric Industrial Co., Ltd. Diffraction grating body, optical pick-up, semiconductor laser apparatus and optical information apparatus
KR20030019948A (ko) * 2001-05-03 2003-03-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사장치
JP2003281749A (ja) * 2002-03-25 2003-10-03 Matsushita Electric Ind Co Ltd 光ピックアップ
JP2004103134A (ja) * 2002-09-10 2004-04-02 Matsushita Electric Ind Co Ltd 光ピックアップ装置
US7232650B2 (en) * 2002-10-02 2007-06-19 3M Innovative Properties Company Planar inorganic device
JP2004134032A (ja) * 2002-10-11 2004-04-30 Funai Electric Co Ltd 光ディスク装置
US7518976B2 (en) 2003-01-30 2009-04-14 Panasonic Corporation Optical head with light sources of different wavelength
GB2398926A (en) * 2003-02-28 2004-09-01 Richard Knight Light emitting device
KR100524986B1 (ko) * 2003-08-26 2005-10-31 삼성전자주식회사 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
JP4177296B2 (ja) * 2004-06-22 2008-11-05 シャープ株式会社 光ピックアップおよび光ディスク装置
JP2006099859A (ja) * 2004-09-29 2006-04-13 Matsushita Electric Ind Co Ltd 光ピックアップ装置
CN101061538A (zh) 2004-11-16 2007-10-24 松下电器产业株式会社 光拾取装置
JP4277005B2 (ja) * 2005-01-26 2009-06-10 パナソニック株式会社 光ピックアップ装置
JP2006268974A (ja) * 2005-03-24 2006-10-05 Matsushita Electric Ind Co Ltd 光半導体装置
JP4229924B2 (ja) * 2005-04-25 2009-02-25 パナソニック株式会社 光ピックアップ装置
JP2007134016A (ja) * 2005-11-14 2007-05-31 Funai Electric Co Ltd 光ピックアップ装置
MY149941A (en) * 2006-04-12 2013-11-15 Toyo Seikan Kaisha Ltd A structural body, a method for forming a structural body, an apparatus for forming a structural body, a method for reading a structural color and/or diffraction light, and a truth/false discriminating method
JP2008146741A (ja) * 2006-12-08 2008-06-26 Matsushita Electric Ind Co Ltd 光ピックアップ装置
US20080165655A1 (en) * 2007-01-09 2008-07-10 Ryo Saitoh Optical pickup device
US7635836B2 (en) 2007-02-21 2009-12-22 Intersil Americas Inc. Configurable photo detector circuit
US7663087B2 (en) * 2007-02-27 2010-02-16 Intersil Americas Inc. Dynamically configurable multiple wavelength photodetector array for optical storage applications
JP4552956B2 (ja) * 2007-04-03 2010-09-29 セイコーエプソン株式会社 照明装置及びプロジェクタ
JP2010009682A (ja) * 2008-06-27 2010-01-14 Panasonic Corp 光ヘッド装置、光情報処理装置及び信号検出方法
US20100130976A1 (en) * 2008-11-21 2010-05-27 Smith & Nephew Inc. Reducing cross-talk effects in an rf electrosurgical device
US8050167B2 (en) * 2009-03-04 2011-11-01 Victor Company Of Japan, Limited Optical device
WO2011033791A1 (ja) * 2009-09-17 2011-03-24 パナソニック株式会社 対物レンズ素子
US8357889B2 (en) 2010-01-21 2013-01-22 Intersil Americas Inc. Circuits, systems and methods for vertical and horizontal light beam alignment
JP2012084200A (ja) * 2010-10-12 2012-04-26 Hitachi Media Electoronics Co Ltd 光ピックアップ及び光情報記録再生装置
JP2013097831A (ja) * 2011-10-31 2013-05-20 Sony Corp 光ディスク装置
CN103946921B (zh) * 2011-12-07 2016-09-28 三菱电机株式会社 光学头装置
DE102014214298B4 (de) * 2014-07-22 2020-11-26 Tesa Scribos Gmbh Datenspeicherung für Produktmarkierungen
JP6586729B2 (ja) 2015-01-16 2019-10-09 富士通株式会社 照明装置及び生体認証装置
CN113777685B (zh) * 2021-08-30 2023-07-04 同济大学 基于扫描原子光刻技术的大面积自溯源光栅制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228620B1 (de) * 1985-12-10 1991-06-05 Nec Corporation Optischer Kopf mit einem Beugungsgitter zum Richten von zwei oder mehreren gebeugten Lichtstrahlen auf optische Detektoren
NL8701749A (nl) * 1987-07-24 1989-02-16 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
JPH0194542A (ja) 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 光ヘッド装置
NL8802988A (nl) * 1988-12-05 1990-07-02 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
US5283690A (en) * 1989-04-04 1994-02-01 Sharp Kabushiki Kaisha Optical diffraction grating element
GB2239088B (en) * 1989-11-24 1994-05-25 Ricoh Kk Optical movement measuring method and apparatus
JP2724422B2 (ja) 1990-10-23 1998-03-09 オリンパス光学工業株式会社 焦点検出装置
JP2776487B2 (ja) * 1992-01-28 1998-07-16 シャープ株式会社 光学式情報記録再生装置
EP0583036B1 (de) * 1992-08-12 1998-07-15 Koninklijke Philips Electronics N.V. Einrichtung zur optischen Abtastung einer Oberfläche
JP2806713B2 (ja) 1992-10-30 1998-09-30 日本電気株式会社 光学式記録再生装置
US5757754A (en) * 1994-06-30 1998-05-26 Matsushita Electric Industrial Co., Ltd. Holographic optical head
US5717674A (en) * 1995-06-30 1998-02-10 Sanyo Electrics Co., Ltd. Three-beam generating diffraction grating, transmission type holographic optical element and optical pickup apparatus using the same
JP3026279B2 (ja) 1995-10-25 2000-03-27 日本電気株式会社 記録再生装置用レーザモジュール
EP0860819A3 (de) * 1997-02-24 1999-01-07 Hoetron, Inc. Optischer Abtastkopf mit zwei Halbleiterlasern mit verschiedenen Wellenlängen
JPH10289468A (ja) 1997-04-10 1998-10-27 Konica Corp 光ピックアップ装置及びその光源ユニット
JP3687939B2 (ja) * 1997-05-22 2005-08-24 パイオニア株式会社 光ピックアップ装置
KR100629846B1 (ko) * 1997-11-07 2006-09-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사장치
JP3521738B2 (ja) * 1998-04-08 2004-04-19 日本ビクター株式会社 光ピックアップ装置、エラー検出装置及びその検出方法
JP3511913B2 (ja) * 1998-10-19 2004-03-29 日本ビクター株式会社 光ピックアップ及び光デバイス
JP2000123403A (ja) * 1998-10-19 2000-04-28 Victor Co Of Japan Ltd 光ピックアップ及び光デバイス
JP4288768B2 (ja) * 1999-07-08 2009-07-01 ソニー株式会社 集積光学素子及び光学ヘッド並びに光記録再生装置
JP2001028146A (ja) * 1999-07-13 2001-01-30 Sony Corp 光学ヘッド及び光記録再生装置

Also Published As

Publication number Publication date
US20020008888A1 (en) 2002-01-24
EP1109163A3 (de) 2003-07-09
US20030076592A1 (en) 2003-04-24
US6512608B2 (en) 2003-01-28
EP1109163B1 (de) 2008-07-09
EP1109163A2 (de) 2001-06-20
US6891675B2 (en) 2005-05-10

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