ATE488005T1 - Optisches aufzeichnungsmedium - Google Patents

Optisches aufzeichnungsmedium

Info

Publication number
ATE488005T1
ATE488005T1 AT00113255T AT00113255T ATE488005T1 AT E488005 T1 ATE488005 T1 AT E488005T1 AT 00113255 T AT00113255 T AT 00113255T AT 00113255 T AT00113255 T AT 00113255T AT E488005 T1 ATE488005 T1 AT E488005T1
Authority
AT
Austria
Prior art keywords
recording
organic material
molecular orientation
changed
recording medium
Prior art date
Application number
AT00113255T
Other languages
English (en)
Inventor
Masanobu Yamamoto
Yuichi Sabi
Akio Yasuda
Original Assignee
Sony Corp
Sony 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 Sony Corp, Sony Deutschland Gmbh filed Critical Sony Corp
Application granted granted Critical
Publication of ATE488005T1 publication Critical patent/ATE488005T1/de

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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials 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
    • G11B7/12—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
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/128—Modulators
    • 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
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/25—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing liquid crystals
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Head (AREA)
AT00113255T 1999-06-23 2000-06-21 Optisches aufzeichnungsmedium ATE488005T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17719599A JP4107767B2 (ja) 1999-06-23 1999-06-23 光記録媒体及びこれを用いた記録再生方法、記録再生装置

Publications (1)

Publication Number Publication Date
ATE488005T1 true ATE488005T1 (de) 2010-11-15

Family

ID=16026851

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00113255T ATE488005T1 (de) 1999-06-23 2000-06-21 Optisches aufzeichnungsmedium

Country Status (10)

Country Link
US (1) US6650615B1 (de)
EP (1) EP1063645B1 (de)
JP (1) JP4107767B2 (de)
KR (1) KR100719431B1 (de)
CN (1) CN1180410C (de)
AT (1) ATE488005T1 (de)
AU (1) AU772493B2 (de)
CA (1) CA2312124A1 (de)
DE (1) DE60045204D1 (de)
TW (1) TW501120B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7078083B2 (en) 2001-05-29 2006-07-18 Matsushita Electric Industrial Co., Ltd. Optical recording film, method for manufacturing the same, optical recording medium, information recording/reproducing device, computer system and video signal recording/reproducing system
CN1293405C (zh) * 2001-08-31 2007-01-03 旭硝子株式会社 光记录材料
DE10163428A1 (de) 2001-12-21 2003-07-03 Norbert Hampp Optischer Datenspeicher und Verfahren zur Speicherung von Daten in einem optischen Datenspeicher
KR20030093587A (ko) * 2002-06-03 2003-12-11 삼성전자주식회사 재생전용 고밀도 광디스크
US20060177605A1 (en) * 2003-03-21 2006-08-10 Koninklijke Philips Electronics. N.V. Birefringent optical element, lcd device with birefringent optical element, and manufacturing process for a birefringent optical element
US20060246376A1 (en) * 2003-05-26 2006-11-02 Matsushita Electric Industrial Co., Ltd. Information recording medium, recording/reproducing method for the same, and information recording/reproducing apparatus
CN1839431A (zh) * 2003-08-20 2006-09-27 皇家飞利浦电子股份有限公司 光学记录载体
TWI391927B (zh) * 2004-07-16 2013-04-01 Mitsubishi Kagaku Media Co Ltd An optical recording medium and an optical recording medium
EP1667129B1 (de) * 2004-12-02 2010-03-17 Thomson Licensing Vorrichtung zur Aufzeichnung winkelgemultiplexter Pits
EP1667128A1 (de) 2004-12-02 2006-06-07 Deutsche Thomson-Brandt Gmbh Gerät zur Aufzeichnung von winkelmultiplexierten Vertiefungen
WO2007013976A2 (en) 2005-07-22 2007-02-01 Graphic Packaging International, Inc. Carton with opening feature and blank
JP4666379B2 (ja) * 2006-03-27 2011-04-06 国立大学法人長岡技術科学大学 偏光多重記録再生システム
DE102006062457A1 (de) * 2006-12-28 2008-07-03 Bayer Innovation Gmbh Optische Speichermedien und Verfahren zu deren Herstellung
JP2009099192A (ja) * 2007-10-16 2009-05-07 Tohoku Univ 情報記録媒体、情報再生方法、情報記録方法、情報記録及び／又は再生装置
JP5381980B2 (ja) 2008-04-21 2014-01-08 日本電気株式会社 光学的情報記録再生装置、光学ユニット、及び、光学的情報記録方法
US8040760B2 (en) 2008-10-16 2011-10-18 Seagate Technology Llc Polarization near-field transducer having optical conductive blades
EP3299855B1 (de) 2010-06-30 2019-06-19 3M Innovative Properties Company Diffuse optische reflexionsfolien mit räumlich selektiver doppelbrechungsverringerung
EP2588901A1 (de) 2010-06-30 2013-05-08 3M Innovative Properties Company Retarderfolienkombinationen mit räumlich selektiver doppelbrechungsverringerung
CN105001664B (zh) * 2015-07-10 2017-05-24 岭南师范学院 一种D‑π‑A型氨基偶氮苯染料及其制备方法
US10672428B1 (en) * 2019-05-09 2020-06-02 Microsoft Technology Licensing, Llc High-density optical data recording
WO2023223692A1 (ja) * 2022-05-17 2023-11-23 パナソニックＩｐマネジメント株式会社 非線形光吸収材料、記録媒体、情報の記録方法及び情報の読出方法
US12266391B2 (en) 2023-03-31 2025-04-01 Microsoft Technology Licensing, Llc Method and system for writing voxels to a transparent substrate
US12165682B2 (en) 2023-03-31 2024-12-10 Microsoft Technology Licensing, Llc Phase-modulated optical data storage
US12183378B2 (en) 2023-03-31 2024-12-31 Microsoft Technology Licensing, Llc Method and system for forming birefringent voxels

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551819A (en) * 1982-04-14 1985-11-05 University Of Utah Optical recording method and apparatus utilizing polymeric birefringent materials
US4686169A (en) * 1984-11-13 1987-08-11 Matsushita Electric Industrial Co., Ltd. Optical recording medium and production of the same
EP0271900B1 (de) * 1986-12-17 1993-12-29 Canon Kabushiki Kaisha Verfahren und Gerät zur optischen Aufnahme
DE3704146A1 (de) * 1987-02-11 1988-09-29 Basf Ag Laseroptisches schreib- und leseverfahren
JPS6467727A (en) * 1987-09-08 1989-03-14 Canon Kk Method for recording information
DE3810722A1 (de) * 1988-03-30 1989-10-12 Roehm Gmbh Vorrichtung zur reversiblen optischen datenspeicherung
US5272552A (en) * 1988-05-11 1993-12-21 Canon Kabushiki Kaisha Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase
US6090508A (en) * 1988-06-07 2000-07-18 Ricoh Company, Ltd. Optically anisotropic recording medium and method of recording and erasing information using the same
US5019476A (en) * 1988-11-16 1991-05-28 Olympus Optical Co., Ltd. Optical recording medium
JPH02273338A (ja) * 1989-04-13 1990-11-07 Canon Inc 情報記憶媒体
JP2516071B2 (ja) * 1989-06-23 1996-07-10 日本ビクター株式会社 光記録媒体
JP2771656B2 (ja) * 1989-12-28 1998-07-02 三洋電機株式会社 光記録媒体の記録再生方法
KR100196015B1 (ko) * 1989-12-28 1999-06-15 다카노 야스아키 광학 기록 매체용 기록/재생 방법 및 장치
US5408456A (en) * 1990-02-02 1995-04-18 Canon Kabushiki Kaisha Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal
US5384221A (en) * 1990-12-12 1995-01-24 Physical Optics Corporation Birefringent azo dye polymer erasable optical storage medium
JPH04336284A (ja) * 1991-05-13 1992-11-24 Ricoh Co Ltd 記録方法及び記録装置
US5173381A (en) * 1991-08-05 1992-12-22 Queen's University Azo polymers for reversible optical storage
US5251197A (en) * 1992-02-13 1993-10-05 Hoechst Celanses Corp. Polarization dependent writing and erasing process for organic optical media
JPH0917056A (ja) * 1995-06-30 1997-01-17 Sony Corp 光磁気ディスク
JPH10149578A (ja) * 1996-11-20 1998-06-02 Taiyo Yuden Co Ltd 光記録媒体
JP4551819B2 (ja) * 2005-05-31 2010-09-29 米沢電線株式会社 光ファイバ付きフェルールの製造方法

Also Published As

Publication number Publication date
TW501120B (en) 2002-09-01
EP1063645A3 (de) 2006-03-15
JP2001006208A (ja) 2001-01-12
AU4255700A (en) 2001-01-04
JP4107767B2 (ja) 2008-06-25
KR100719431B1 (ko) 2007-05-17
US6650615B1 (en) 2003-11-18
AU772493B2 (en) 2004-04-29
CA2312124A1 (en) 2000-12-23
EP1063645A8 (de) 2001-03-28
EP1063645B1 (de) 2010-11-10
KR20010007502A (ko) 2001-01-26
EP1063645A2 (de) 2000-12-27
DE60045204D1 (de) 2010-12-23
CN1287355A (zh) 2001-03-14
CN1180410C (zh) 2004-12-15

Similar Documents

Publication Publication Date Title
DE60045204D1 (de) Optisches Aufzeichnungsmedium
EP0554904A3 (en) Organosilicon polymers, and dyes, exhibiting nonlinear optical response
DE69732713D1 (de) Lichtemittierende gegenstände mit lichtreflektierende stukturen
WO1999040559A3 (en) Organic electroluminescent device
DE69627412D1 (de) Organische elektrolumineszente Vorrichtungen mit hoher thermischer Stabilität
DE60039205D1 (de) Optisches System mit Mehrwellenlängenlichtquelle und optischem Informationsaufzeichnungsmedium
DE60223443D1 (de) Organische lichtemittierende Diode mit hohem Kontrastverhältnis
EP0394027A3 (de) Nichtlineare optisch aktive Polymere
AR036389A1 (es) Polimeros y empleo de los mismos
FR2833518B1 (fr) Support d'information marquee par laser
DE50213575D1 (de) Carbamat- und/oder allophanatgruppen enthaltende, thermisch und mit aktinischer strahlung härtbare gemische
TW200703322A (en) Storage medium, reproducing method, and recording method
EP1691233A4 (de) Räumlicher lichtmodulator und räumliches lichtmodulationsverfahren
DE69400656D1 (de) Integrierte Lichtquelle mit Multiquantumwell-Diodenlaser/Modulator
EP1535980A4 (de) Photochrome zusammensetzung
NO943267L (no) Veimerking
ATE548731T1 (de) Optisches informationsaufzeichnungsmedium
DE59904971D1 (de) Effektscheibenrotationssystem
DE69611647D1 (de) Organische elektrolumineszente Vorrichtungen mit hoher thermischer Stabilität
ATE303905T1 (de) Notiztafel mit beleuchtung
FI924933A0 (fi) Fosforhaltiga organiska amider laempliga som stabilisatorer och polymerkompositioner innehaollande dessa
SE0004853L (sv) Skiva för lagring av digital och visuell information
ATE165381T1 (de) Kondensations- und additionspolymere mit n,n'- verbrückten bis-tetramethylpiperidinyloxy- gruppierungen
DE69910283D1 (de) Objektivsystem mit radialem Gradientenindex
AU5967990A (en) Chiral polymers and their use for the synthesis of optically active compounds with a high degree of purity

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1063645

Country of ref document: EP