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DE3583039D1 - Schreib/lesekopf fuer optische platten. - Google Patents

Schreib/lesekopf fuer optische platten.

Info

Publication number
DE3583039D1
DE3583039D1 DE8585116116T DE3583039T DE3583039D1 DE 3583039 D1 DE3583039 D1 DE 3583039D1 DE 8585116116 T DE8585116116 T DE 8585116116T DE 3583039 T DE3583039 T DE 3583039T DE 3583039 D1 DE3583039 D1 DE 3583039D1
Authority
DE
Germany
Prior art keywords
writing
reading head
optical plates
plates
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
DE8585116116T
Other languages
English (en)
Inventor
Hans Korth
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.)
IBM Deutschland GmbH
Original Assignee
IBM Deutschland GmbH
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 IBM Deutschland GmbH filed Critical IBM Deutschland GmbH
Application granted granted Critical
Publication of DE3583039D1 publication Critical patent/DE3583039D1/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • 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
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Lenses (AREA)
DE8585116116T 1985-12-17 1985-12-17 Schreib/lesekopf fuer optische platten. Expired - Lifetime DE3583039D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85116116A EP0226647B1 (de) 1985-12-17 1985-12-17 Schreib/Lesekopf für optische Platten

Publications (1)

Publication Number Publication Date
DE3583039D1 true DE3583039D1 (de) 1991-07-04

Family

ID=8193945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585116116T Expired - Lifetime DE3583039D1 (de) 1985-12-17 1985-12-17 Schreib/lesekopf fuer optische platten.

Country Status (7)

Country Link
US (1) US4866694A (de)
EP (1) EP0226647B1 (de)
JP (1) JPH0721874B2 (de)
AU (1) AU586720B2 (de)
BR (1) BR8605867A (de)
CA (1) CA1258123A (de)
DE (1) DE3583039D1 (de)

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DE3781157T2 (de) * 1987-10-30 1993-03-04 Ibm Deutschland Buendelanalyse-vorrichtung fuer geraete zur optischen aufzeichnung.
JPH01273238A (ja) * 1988-04-25 1989-11-01 Sony Corp 光学ヘッド装置
DE68909663T2 (de) * 1988-04-26 1994-04-07 Philips Nv Anordnung zum optischen Abtasten eines magneto-optischen Aufzeichnungsträgers.
NL8803048A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.
NL8803055A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optisch inschrijf- en/of uitleesapparaat voorzien van deze aftastinrichting.
JP2626115B2 (ja) * 1990-01-10 1997-07-02 松下電器産業株式会社 光学ヘッド
JPH0460931A (ja) * 1990-06-26 1992-02-26 Matsushita Electric Ind Co Ltd 光ピックアップ
US5317551A (en) * 1990-07-16 1994-05-31 Matsushita Electric Industrial Co., Ltd. Optical disk head including a light path having a thickness and width greater than the light beam wavelength by a predetermined amount
JPH04219640A (ja) * 1990-07-16 1992-08-10 Matsushita Electric Ind Co Ltd 光学ヘッド及びその製造方法
JPH04310639A (ja) * 1991-04-08 1992-11-02 Matsushita Electric Ind Co Ltd 光学ヘッド及びその製造方法
JPH05224018A (ja) * 1991-07-30 1993-09-03 Nippondenso Co Ltd 導光装置
JPH0572497A (ja) * 1991-09-11 1993-03-26 Sharp Corp 一体型光素子および基板型光素子
US5200946A (en) * 1991-10-02 1993-04-06 Honeywell Inc. Simple magneto-optic rewritable head for roughedized environments
JP3157873B2 (ja) * 1991-11-15 2001-04-16 パイオニア株式会社 光ピックアップ装置における焦点制御装置
US5350917A (en) * 1991-12-27 1994-09-27 Sony Corporation Opto-magnetic recording polarization optical apparatus including a laser diode and a light absorbing film
US5410468A (en) * 1992-06-26 1995-04-25 Matsushita Electric Industrial Co., Ltd. Optical pick-up apparatus
US5323477A (en) * 1992-08-24 1994-06-21 Motorola, Inc. Contact array imager with integral waveguide and electronics
JPH06162553A (ja) * 1992-11-24 1994-06-10 Sharp Corp 光情報読み取り装置
EP0609812B1 (de) * 1993-02-01 1998-01-07 Matsushita Electric Industrial Co., Ltd. Wellenleiter-Bildübertragungsvorrichtung und Vorrichtung zur Identifikation von Fingerabdrücken
DE69434719T2 (de) * 1993-02-26 2007-02-08 Yeda Research And Development Co., Ltd. Optische holographische Vorrichtungen
EP0627735B1 (de) * 1993-06-03 1999-10-06 THOMSON multimedia Optisches System zur Wiedergabe und/oder Aufzeichnung von Information
JPH08115532A (ja) * 1994-10-18 1996-05-07 Matsushita Electric Ind Co Ltd 光集積素子及びそれを用いた集積型光ピックアップ装置及び光ディスク装置
WO1996030903A2 (en) * 1995-03-29 1996-10-03 Philips Electronics N.V. Optical unit comprising a radiation source, a detector and a grating, and scanning device including the optical unit
JP2716000B2 (ja) * 1995-06-23 1998-02-18 日本電気株式会社 光ヘッド
KR0166232B1 (ko) * 1995-11-27 1999-03-20 배순훈 초소형 광 픽-업장치
KR0166233B1 (ko) * 1995-11-27 1999-03-20 배순훈 초소형 듀얼 포커스 광 픽-업장치
US6034938A (en) * 1996-07-30 2000-03-07 Seagate Technology, Inc. Data storage system having an optical processing flying head
US6058094A (en) * 1996-07-30 2000-05-02 Seagate Technology Inc. Flying magneto-optical head with a steerable mirror
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
US5886971A (en) * 1996-09-27 1999-03-23 Digital Optics Corporation Optical head structures including support substrates adjacent transparent substrates and related methods
US20080136955A1 (en) * 1996-09-27 2008-06-12 Tessera North America. Integrated camera and associated methods
US5912872A (en) * 1996-09-27 1999-06-15 Digital Optics Corporation Integrated optical apparatus providing separated beams on a detector and associated methods
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
US6167016A (en) * 1997-04-11 2000-12-26 Aerial Imaging Corporation Optical head with a diffractive lens for focusing a laser beam
US6162590A (en) * 1997-04-11 2000-12-19 Aerial Imaging Corporation Method for making an optical or magneto-optic head and the resulting head
US6181662B1 (en) 1997-09-26 2001-01-30 Iomega Corporation Latent irradiance discrimination method and marker system for cartridgeless data storage disks
US6359745B1 (en) 1997-09-26 2002-03-19 Iomega Corporation Latent illuminance discrimination marker system for data storage cartridges
US6091563A (en) * 1997-09-26 2000-07-18 Iomega Corporation Latent illuminance discrimination marker system for data storage cartridges
US6264107B1 (en) 1997-09-26 2001-07-24 Iomega Corporation Latent illuminance discrimination marker system for authenticating articles
US6201662B1 (en) 1998-09-25 2001-03-13 Iomega Corporation Latent illuminance discrimination marker with reflective layer for data storage cartridges
US6266315B1 (en) * 1997-11-22 2001-07-24 Samsung Electronics Co., Ltd. Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk
KR19990066690A (ko) * 1997-11-22 1999-08-16 윤종용 니어필드를 발생하는 집속광학계와, 이를 채용한 광픽업 및 광디스크드라이브, 및 광디스크
WO1999050843A1 (en) * 1998-03-30 1999-10-07 Seagate Technology, Llc. Optical data storage system with means for reducing noise from spurious reflections
AU3052499A (en) 1998-04-02 1999-10-25 Elop Electro-Optics Industries Ltd. Holographic optical devices
KR100294237B1 (ko) * 1998-04-14 2001-09-17 윤종용 카타디옵트릭 대물렌즈를 구비한 광픽업
US5986995A (en) * 1998-07-06 1999-11-16 Read-Rite Corporation High NA catadioptric focusing device having flat diffractive surfaces
EP1020853A4 (de) * 1998-08-07 2001-02-21 Sony Corp Katadioptische linse, optischer kopf, und optisches aufzeichnungs-/ wiedergabegeraet
US6342960B1 (en) * 1998-12-18 2002-01-29 The Boeing Company Wavelength division multiplex transmitter
FR2813139B1 (fr) * 2000-08-21 2002-11-29 Commissariat Energie Atomique Dispositif d'ecriture/lecture de donnees numeriques a controle optique
US6717893B1 (en) 2000-10-04 2004-04-06 Dphi Acquisitions, Inc. Laser thermal management system
KR100400543B1 (ko) * 2001-03-17 2003-10-08 엘지전자 주식회사 광 기록 및 재생 시스템용 렌즈
JP2003057420A (ja) * 2001-08-08 2003-02-26 Minolta Co Ltd 光収束用光学素子
GB0124218D0 (en) * 2001-10-09 2001-11-28 Denselight Semiconductors Pte Folded light path for planar optical devices
JP3743359B2 (ja) * 2001-11-30 2006-02-08 松下電器産業株式会社 光ピックアップ装置
US6754417B2 (en) * 2002-04-24 2004-06-22 Agilent Technologies, Inc. Optical fiber tap capable of random placement along an optical fiber
US20070110361A1 (en) * 2003-08-26 2007-05-17 Digital Optics Corporation Wafer level integration of multiple optical elements
KR100634511B1 (ko) * 2004-09-09 2006-10-13 삼성전기주식회사 미러의 수차를 보정하는 소자를 구비한 광학계 및 이를이용한 광 픽업 장치
US7580336B2 (en) * 2004-12-08 2009-08-25 Electronics And Telecommunications Research Institute Optical head having a beam input/output coupler on a planar waveguide
KR100647300B1 (ko) * 2004-12-14 2006-11-23 삼성전기주식회사 광학 벤치, 집적 광학 시스템 및 광학 정렬 방법
US7672213B2 (en) * 2006-03-02 2010-03-02 Hewlett-Packard Development Company, L.P. Optical print head using a glass arm waveguide

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FR2126492A5 (de) * 1971-02-08 1972-10-06 Thomson Csf
DE2337015C2 (de) * 1973-07-20 1983-07-14 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur optischen Abtastung einer um eine vertikale Rotationsachse sich drehenden Platte
US4068121A (en) * 1976-05-17 1978-01-10 Tally Corporation Light collector and prism light source for photoelectric readers
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
WO1980001016A1 (fr) * 1978-11-01 1980-05-15 Hitachi Ltd Dispositif de detection d'anisotropie magneto-optique
JPS56112767A (en) * 1980-02-13 1981-09-05 Hitachi Ltd Light emitting semiconductor device
JPS58203646A (ja) * 1982-05-21 1983-11-28 Canon Inc 光磁気再生装置
US4626679A (en) * 1982-09-22 1986-12-02 Canon Kabushiki Kaisha Optical head and method of detecting the focus thereof
US4747090A (en) * 1982-10-14 1988-05-24 Omron Tateisi Electronics Co. Integral pickup for an optical digital disc using saw deflection and lenses
JP2504734B2 (ja) * 1983-11-08 1996-06-05 シャープ株式会社 光磁気記憶装置の光学装置
DE3573853D1 (en) * 1984-01-31 1989-11-23 Matsushita Electric Industrial Co Ltd Pick-up arm for an optical disk player
US4652737A (en) * 1984-05-29 1987-03-24 Xerox Corporation Sampled optical focus error detecting system for rotating optical media
DE3546795C2 (de) * 1984-10-01 1993-09-23 Mitsubishi Denki K.K., Tokio/Tokyo, Jp
JPS62117150A (ja) * 1985-11-15 1987-05-28 Alps Electric Co Ltd 光学式ピツクアツプ

Also Published As

Publication number Publication date
JPH0721874B2 (ja) 1995-03-08
EP0226647B1 (de) 1991-05-29
AU586720B2 (en) 1989-07-20
EP0226647A1 (de) 1987-07-01
US4866694A (en) 1989-09-12
CA1258123A (en) 1989-08-01
JPS62146444A (ja) 1987-06-30
BR8605867A (pt) 1987-08-25
AU6647086A (en) 1987-06-18

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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