DE69229451D1 - Optische Abtasteinrichtung - Google Patents

Optische Abtasteinrichtung

Info

Publication number
DE69229451D1
DE69229451D1 DE69229451T DE69229451T DE69229451D1 DE 69229451 D1 DE69229451 D1 DE 69229451D1 DE 69229451 T DE69229451 T DE 69229451T DE 69229451 T DE69229451 T DE 69229451T DE 69229451 D1 DE69229451 D1 DE 69229451D1
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 - Fee Related
Application number
DE69229451T
Other languages
English (en)
Other versions
DE69229451T2 (de
Inventor
Kiyoshi Ohsato
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.)
Sony Corp
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
Priority claimed from JP3332451A external-priority patent/JPH05144056A/ja
Priority claimed from JP3348328A external-priority patent/JPH05159333A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69229451D1 publication Critical patent/DE69229451D1/de
Application granted granted Critical
Publication of DE69229451T2 publication Critical patent/DE69229451T2/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
    • G11B7/08—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69229451T 1991-11-20 1992-11-16 Optische Abtasteinrichtung Expired - Fee Related DE69229451T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3332451A JPH05144056A (ja) 1991-11-20 1991-11-20 デイスク傾き補正装置
JP3348328A JPH05159333A (ja) 1991-12-05 1991-12-05 光ピックアップ及びフォーカスサーボ装置

Publications (2)

Publication Number Publication Date
DE69229451D1 true DE69229451D1 (de) 1999-07-22
DE69229451T2 DE69229451T2 (de) 1999-10-07

Family

ID=26574194

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69229451T Expired - Fee Related DE69229451T2 (de) 1991-11-20 1992-11-16 Optische Abtasteinrichtung
DE69219735T Expired - Fee Related DE69219735T2 (de) 1991-11-20 1992-11-16 Optische Abtasteinrichtung und Fokusservoeinrichtung dafür

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69219735T Expired - Fee Related DE69219735T2 (de) 1991-11-20 1992-11-16 Optische Abtasteinrichtung und Fokusservoeinrichtung dafür

Country Status (3)

Country Link
US (2) US5515348A (de)
EP (2) EP0545133B1 (de)
DE (2) DE69229451T2 (de)

Families Citing this family (51)

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US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
JP3413427B2 (ja) * 1993-12-09 2003-06-03 キヤノン株式会社 光記録再生装置
JPH08212612A (ja) * 1994-11-17 1996-08-20 Canon Inc 光学的情報記録再生装置及び該装置用光ヘッド
KR100230250B1 (ko) * 1994-12-26 1999-11-15 윤종용 광디스크 기울어짐에 의한 수차를 보정하는 방법과 그 장치
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
ATE193781T1 (de) * 1995-03-15 2000-06-15 Koninkl Philips Electronics Nv Vorrichtung zum optischen abtasten eines auzeichnungsmediums
GB2307549B (en) * 1995-11-23 1999-10-20 Thomson Multimedia Sa Optical pick-up device
US5748603A (en) * 1995-12-30 1998-05-05 Lg Electronics, Inc. Optical pickup apparatus for different discs
DE69726527T2 (de) * 1996-03-18 2004-09-23 Seiko Epson Corp. Optischer kopf und optisches aufzeichnungsgerät
JPH1055565A (ja) * 1996-04-26 1998-02-24 Daewoo Electron Co Ltd 光ピックアップ装置
JP3529556B2 (ja) * 1996-07-18 2004-05-24 パイオニア株式会社 光ピックアップにおけるコマ収差補正方法及び装置
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US6222812B1 (en) 1996-08-29 2001-04-24 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
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JPH10172171A (ja) * 1996-12-06 1998-06-26 Nec Corp 開口制限素子及びこれを利用した光へッド装置
JPH10188322A (ja) 1996-12-26 1998-07-21 Nec Corp 光ヘッド
US6639889B1 (en) 1997-02-13 2003-10-28 Samsung Electronics Co., Ltd. Recording/reproducing apparatus including an optical pickup having an objective lens compatible with a plurality of optical disk formats
US6304540B1 (en) * 1998-03-30 2001-10-16 Samsung Electronics Co., Ltd. Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
JPH11161978A (ja) * 1997-10-31 1999-06-18 Sony Precision Eng Center Singapore Pte Ltd 光学ピックアップ及び／又は光ディスクのフォーカス特性測定装置、光学ピックアップ及び／又は光ディスクのフォーカス特性測定方法、光ディスクの記録及び／又は再生装置、並びに、光ディスクの記録及び／又は再生方法
JP3443668B2 (ja) * 1998-04-30 2003-09-08 富士通株式会社 収差補正方法及び収差補正装置
JP3573974B2 (ja) * 1998-09-18 2004-10-06 パイオニア株式会社 光ピックアップ
JP2000182254A (ja) 1998-12-15 2000-06-30 Pioneer Electronic Corp ピックアップ装置
BR9908316A (pt) * 1998-12-29 2000-11-07 Koninkl Philips Electronics Nv Dispositivo de exploração óptica
US6322933B1 (en) 1999-01-12 2001-11-27 Siros Technologies, Inc. Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
US6111828A (en) * 1999-01-12 2000-08-29 Siros Technologies, Inc. Focus error signal generation using confocally filtered detection
JP2000222759A (ja) 1999-01-29 2000-08-11 Pioneer Electronic Corp 光ピックアップ装置
US6584059B1 (en) * 1999-02-17 2003-06-24 Matsushita Electric Industrial Co., Ltd. Information recording and reproducing apparatus
JP3833842B2 (ja) 1999-03-30 2006-10-18 パイオニア株式会社 体積ホログラフィックメモリ及びその光情報記録再生装置
MY125349A (en) 1999-05-03 2006-07-31 Toshiba Samsung Storage Tech Korea Corporation Automatic tilt compensator and optical recording/reproducing apparatus having the same
US6563779B1 (en) 1999-06-16 2003-05-13 Siros Technologies, Inc. Tracking error signal generation using confocally filtered detection
US6532202B1 (en) 1999-07-07 2003-03-11 Matsushita Electric Industrial Co., Ltd. Optical element, optical head and optical recording reproducing apparatus
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US6512606B1 (en) 1999-07-29 2003-01-28 Siros Technologies, Inc. Optical storage media and method for optical data storage via local changes in reflectivity of a format grating
US6322931B1 (en) 1999-07-29 2001-11-27 Siros Technologies, Inc. Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
TW594711B (en) 1999-12-24 2004-06-21 Koninkl Philips Electronics Nv Optical wavefront modifier
US6894968B2 (en) 1999-12-24 2005-05-17 Koninklijke Philips Electronics N.V Optical wavefront modifier including a series arrangement of transparent resistors between electrodes and scanning devices including such a modifier
JP2003518702A (ja) 1999-12-24 2003-06-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光走査ヘッド
TW514890B (en) 1999-12-24 2002-12-21 Koninkl Philips Electronics Nv Optical scanning head
JP4903300B2 (ja) * 2000-07-31 2012-03-28 旭硝子株式会社 光学装置
KR20020069914A (ko) * 2001-02-28 2002-09-05 엘지전자 주식회사 광디스크의 래디얼 틸트 검출 장치 및 방법
WO2003003360A1 (en) * 2001-06-29 2003-01-09 Koninklijke Philips Electronics N.V. Optical scanning device
KR100421010B1 (ko) * 2001-07-20 2004-03-04 삼성전자주식회사 구면수차 보상소자 및 이를 적용한 광픽업장치
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
JP2004103110A (ja) * 2002-09-10 2004-04-02 Pioneer Electronic Corp 対物レンズ及び光ピックアップ装置
JP3772851B2 (ja) * 2003-03-28 2006-05-10 ソニー株式会社 光ピックアップ装置及び光ディスク装置
JP2004347753A (ja) * 2003-05-21 2004-12-09 Matsushita Electric Ind Co Ltd 形状可変ミラー素子及び形状可変ミラー素子の製造方法並びに形状可変ミラーユニット並びに光ピックアップ
JP2007047288A (ja) * 2005-08-08 2007-02-22 Sanyo Electric Co Ltd レンズ駆動装置およびそれを備える撮像装置
GB201712639D0 (en) 2017-08-07 2017-09-20 Univ Oxford Innovation Ltd Method for laser machining inside materials
GB2581172B (en) * 2019-02-06 2022-01-05 Opsydia Ltd Laser machining inside materials

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JPS60140228U (ja) * 1984-02-27 1985-09-17 パイオニア株式会社 光学式情報読取装置
JPS60187920A (ja) * 1984-03-07 1985-09-25 Matsushita Electric Ind Co Ltd 記録再生装置のヘツド支持装置
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Also Published As

Publication number Publication date
US5513158A (en) 1996-04-30
EP0745980B1 (de) 1999-06-16
EP0745980A1 (de) 1996-12-04
US5515348A (en) 1996-05-07
DE69219735D1 (de) 1997-06-19
EP0545133B1 (de) 1997-05-14
EP0545133A2 (de) 1993-06-09
DE69229451T2 (de) 1999-10-07
EP0545133A3 (en) 1993-10-20
DE69219735T2 (de) 1997-09-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee