NL1001343C2 - Optische pick-up en methode voor het voortbrengen ervan. - Google Patents

Optische pick-up en methode voor het voortbrengen ervan. Download PDF

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Publication number
NL1001343C2
NL1001343C2 NL1001343A NL1001343A NL1001343C2 NL 1001343 C2 NL1001343 C2 NL 1001343C2 NL 1001343 A NL1001343 A NL 1001343A NL 1001343 A NL1001343 A NL 1001343A NL 1001343 C2 NL1001343 C2 NL 1001343C2
Authority
NL
Netherlands
Prior art keywords
light
diffusion angle
beam splitting
splitting film
optical
Prior art date
Application number
NL1001343A
Other languages
English (en)
Dutch (nl)
Other versions
NL1001343A1 (nl
Inventor
Shigeki Takeuchi
Shogo Horinouchi
Kazuhiko Higo
Hideki Yoshinaka
Toshihiro Koga
Jiro Mimas
Hidehiro Kugisaki
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL1001343A1 publication Critical patent/NL1001343A1/xx
Application granted granted Critical
Publication of NL1001343C2 publication Critical patent/NL1001343C2/nl

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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/08—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
    • G11B7/0909—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 astigmatic methods
    • 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
    • G11B7/12—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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
NL1001343A 1994-10-06 1995-10-04 Optische pick-up en methode voor het voortbrengen ervan. NL1001343C2 (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP24277894 1994-10-06
JP24277894 1994-10-06
JP6775695 1995-03-27
JP7067756A JP2806293B2 (ja) 1994-10-06 1995-03-27 光ピックアップ及びその製造方法

Publications (2)

Publication Number Publication Date
NL1001343A1 NL1001343A1 (nl) 1996-04-09
NL1001343C2 true NL1001343C2 (nl) 1998-07-15

Family

ID=26408970

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1001343A NL1001343C2 (nl) 1994-10-06 1995-10-04 Optische pick-up en methode voor het voortbrengen ervan.

Country Status (4)

Country Link
US (2) US5790502A (ja)
JP (1) JP2806293B2 (ja)
FR (1) FR2725547B1 (ja)
NL (1) NL1001343C2 (ja)

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US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US5886971A (en) * 1996-09-27 1999-03-23 Digital Optics Corporation Optical head structures including support substrates adjacent transparent substrates and related methods
US5912872A (en) 1996-09-27 1999-06-15 Digital Optics Corporation Integrated optical apparatus providing separated beams on a detector and associated methods
US5771218A (en) * 1996-09-27 1998-06-23 Digital Optics Corporation Passively aligned integrated optical head including light source, detector, and optical element and methods of forming same
US8153957B2 (en) 1996-09-27 2012-04-10 Digitaloptics Corporation East Integrated optical imaging systems including an interior space between opposing substrates and associated methods
US6556533B1 (en) * 1996-10-01 2003-04-29 Matsushita Electric Industrial Co., Ltd. Optical pickup device
US6181666B1 (en) * 1996-10-21 2001-01-30 Olympus Optical Company, Ltd. Optical pickup
JPH10222863A (ja) * 1996-12-06 1998-08-21 Pioneer Electron Corp 光ピックアップ装置
US20010050892A1 (en) * 1997-07-11 2001-12-13 Yoshitaka Takahashi Optical disk apparatus compatible with different types of mediums
US6326613B1 (en) 1998-01-07 2001-12-04 Donnelly Corporation Vehicle interior mirror assembly adapted for containing a rain sensor
US6124886A (en) * 1997-08-25 2000-09-26 Donnelly Corporation Modular rearview mirror assembly
US8294975B2 (en) 1997-08-25 2012-10-23 Donnelly Corporation Automotive rearview mirror assembly
US6172613B1 (en) 1998-02-18 2001-01-09 Donnelly Corporation Rearview mirror assembly incorporating vehicle information display
US6487016B1 (en) * 1997-08-26 2002-11-26 Matsushita Electric Industrial Co., Ltd. Optical head
JP3638417B2 (ja) * 1997-10-24 2005-04-13 富士通株式会社 光ピックアップ
US8288711B2 (en) 1998-01-07 2012-10-16 Donnelly Corporation Interior rearview mirror system with forwardly-viewing camera and a control
US6445287B1 (en) * 2000-02-28 2002-09-03 Donnelly Corporation Tire inflation assistance monitoring system
JP3407679B2 (ja) 1998-03-24 2003-05-19 日本電気株式会社 光ヘッド及び光ヘッドの製造装置
US6329925B1 (en) 1999-11-24 2001-12-11 Donnelly Corporation Rearview mirror assembly with added feature modular display
US6477464B2 (en) * 2000-03-09 2002-11-05 Donnelly Corporation Complete mirror-based global-positioning system (GPS) navigation solution
US6693517B2 (en) 2000-04-21 2004-02-17 Donnelly Corporation Vehicle mirror assembly communicating wirelessly with vehicle accessories and occupants
JP2000182253A (ja) * 1998-12-15 2000-06-30 Sony Corp 情報記録再生装置
JP3437517B2 (ja) * 1999-02-16 2003-08-18 キヤノン株式会社 二次元位相型光学素子の作製方法
JP2001056952A (ja) * 1999-08-19 2001-02-27 Hitachi Ltd 光ヘッド装置およびその製造方法
US6903756B1 (en) * 1999-10-14 2005-06-07 Jarbridge, Inc. Merged images viewed via a virtual storage closet
KR100516786B1 (ko) 2000-02-21 2005-09-22 마츠시타 덴끼 산교 가부시키가이샤 광 픽업 장치
US7004593B2 (en) 2002-06-06 2006-02-28 Donnelly Corporation Interior rearview mirror system with compass
US7167796B2 (en) 2000-03-09 2007-01-23 Donnelly Corporation Vehicle navigation system for use with a telematics system
US7370983B2 (en) 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
AU2001243285A1 (en) 2000-03-02 2001-09-12 Donnelly Corporation Video mirror systems incorporating an accessory module
JP3866572B2 (ja) * 2000-03-15 2007-01-10 株式会社東芝 光ヘッド装置用基板ユニットとその製造方法
US6909687B2 (en) * 2000-03-29 2005-06-21 Sanyo Electric Co., Ltd. Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state
JP2002109778A (ja) * 2000-09-29 2002-04-12 Pioneer Electronic Corp 光ピックアップ装置
JP2002163837A (ja) * 2000-11-27 2002-06-07 Pioneer Electronic Corp 光ピックアップ装置及びレーザダイオードチップ
US7255451B2 (en) 2002-09-20 2007-08-14 Donnelly Corporation Electro-optic mirror cell
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CN108803070A (zh) * 2017-05-02 2018-11-13 颢天光电股份有限公司 装配装置及其方法
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JPS6427043A (en) * 1987-07-23 1989-01-30 Olympus Optical Co Optical pickup device
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US5303221A (en) * 1992-06-10 1994-04-12 Pioneer Electronic Corporation Optical pickup for an optical disc reproducing system

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JPS6427043A (en) * 1987-07-23 1989-01-30 Olympus Optical Co Optical pickup device
EP0372629A2 (en) * 1988-12-05 1990-06-13 Koninklijke Philips Electronics N.V. Apparatus for optically scanning an information plane
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Also Published As

Publication number Publication date
FR2725547A1 (fr) 1996-04-12
JP2806293B2 (ja) 1998-09-30
US5978344A (en) 1999-11-02
JPH08161768A (ja) 1996-06-21
NL1001343A1 (nl) 1996-04-09
US5790502A (en) 1998-08-04
FR2725547B1 (fr) 1999-03-05

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