DE60119426D1 - Optische Abtastvorrichtung mit integrierten optischen Bauelementen - Google Patents

Optische Abtastvorrichtung mit integrierten optischen Bauelementen

Info

Publication number
DE60119426D1
DE60119426D1 DE60119426T DE60119426T DE60119426D1 DE 60119426 D1 DE60119426 D1 DE 60119426D1 DE 60119426 T DE60119426 T DE 60119426T DE 60119426 T DE60119426 T DE 60119426T DE 60119426 D1 DE60119426 D1 DE 60119426D1
Authority
DE
Germany
Prior art keywords
scanning device
optical
integrated
components
optical scanning
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 - Fee Related
Application number
DE60119426T
Other languages
English (en)
Other versions
DE60119426T2 (de
Inventor
Shinichi Ijima
Kazuhiko Yamanaka
Kazutoshi Onozawa
Hideyuki Nakanishi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60119426D1 publication Critical patent/DE60119426D1/de
Application granted granted Critical
Publication of DE60119426T2 publication Critical patent/DE60119426T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362—Mirrors
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/135—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
    • G11B7/08—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60119426T 2000-03-29 2001-03-29 Optische Abtastvorrichtung mit integrierten optischen Bauelementen Expired - Fee Related DE60119426T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000092385 2000-03-29
JP2000092385 2000-03-29

Publications (2)

Publication Number Publication Date
DE60119426D1 true DE60119426D1 (de) 2006-06-14
DE60119426T2 DE60119426T2 (de) 2006-11-09

Family

ID=18607730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60119426T Expired - Fee Related DE60119426T2 (de) 2000-03-29 2001-03-29 Optische Abtastvorrichtung mit integrierten optischen Bauelementen

Country Status (4)

Country Link
US (1) US6587283B2 (de)
EP (1) EP1148483B1 (de)
CN (1) CN1232963C (de)
DE (1) DE60119426T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1160776A3 (de) * 2000-05-31 2004-07-14 Matsushita Electric Industrial Co., Ltd. Optische Abtastgerät und Aufzeichnungsgerät und Wiedergabe von Information
KR20050029243A (ko) * 2002-08-01 2005-03-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 광자기 기록 시스템
JP2004348819A (ja) * 2003-05-21 2004-12-09 Sankyo Seiki Mfg Co Ltd 光ヘッド装置およびコイル製造装置
JP3879850B2 (ja) * 2003-06-10 2007-02-14 ソニー株式会社 光ピックアップ装置とその製造方法
JP2007073132A (ja) * 2005-09-07 2007-03-22 Sumida Corporation 対物レンズ駆動装置
EP1791119A1 (de) * 2005-11-25 2007-05-30 Deutsche Thomson-Brandt Gmbh Aktuator für eine optische Abtasteinrichtung
EP1791118A1 (de) * 2005-11-25 2007-05-30 Deutsche Thomson-Brandt Gmbh Aktuator für eine Abtasteinrichtung zur Abtastung optischer Platten
EP1818920B1 (de) * 2005-11-25 2009-10-28 Thomson Licensing Aktuator für eine optische Abtastvorrichtung
JP2007226933A (ja) * 2006-01-25 2007-09-06 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置、対物レンズ駆動装置の製造方法、光ピックアップ装置、及び光ディスク装置
EP1879188A1 (de) * 2006-07-13 2008-01-16 Deutsche Thomson-Brandt Gmbh Lesekopf für den Zugang zu beweglichen Speichermedien und Laufwerk mit dem Lesekopf
KR101452960B1 (ko) * 2013-04-29 2014-10-22 도시바삼성스토리지테크놀러지코리아 주식회사 대물렌즈 구동장치 및 이를 채용한 광디스크 드라이브

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04129048A (ja) * 1990-09-19 1992-04-30 Fujitsu Ltd 光学ヘッド装置
JPH05182227A (ja) 1991-12-27 1993-07-23 Matsushita Electric Ind Co Ltd 光ピックアップ
JP3279024B2 (ja) * 1993-10-30 2002-04-30 ソニー株式会社 光ピックアップ装置
JP3260620B2 (ja) 1996-04-03 2002-02-25 アルパイン株式会社 光ヘッドの配線構造
WO1997047003A1 (fr) * 1996-06-07 1997-12-11 Sony Corporation Capteur optique
US6181670B1 (en) * 1997-01-31 2001-01-30 Kabushiki Kaisha Toshiba Objective lens mounting apparatus and objective lens driving apparatus
US6005749A (en) * 1997-03-07 1999-12-21 Sony Corporation Rotation drive apparatus
US6341104B1 (en) * 1998-08-03 2002-01-22 Matsushita Electric Industrial Co., Ltd. Optical pickup apparatus of tilt control type
SG75977A1 (en) * 1998-08-14 2000-10-24 Sony Corp Biaxial actuator optical part and optical disk device
JP2000276748A (ja) 1999-03-25 2000-10-06 Akai Electric Co Ltd 対物レンズ駆動装置
JP3770367B2 (ja) * 1999-05-11 2006-04-26 シャープ株式会社 光ピックアップ装置
DE60025892T2 (de) * 1999-09-21 2006-08-10 Matsushita Electric Industrial Co., Ltd., Kadoma Optisches Abtastgerät mit verbesserten optischen Eigenschaften, und Herstellungsverfahren des Optischen Abtastgerätes

Also Published As

Publication number Publication date
CN1332449A (zh) 2002-01-23
EP1148483B1 (de) 2006-05-10
US20010026406A1 (en) 2001-10-04
US6587283B2 (en) 2003-07-01
DE60119426T2 (de) 2006-11-09
EP1148483A2 (de) 2001-10-24
EP1148483A3 (de) 2003-01-08
CN1232963C (zh) 2005-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee