HK1016317A1 - Optical recording medium based on fabry-perot principle - Google Patents

Optical recording medium based on fabry-perot principle

Info

Publication number
HK1016317A1
HK1016317A1 HK99101186A HK99101186A HK1016317A1 HK 1016317 A1 HK1016317 A1 HK 1016317A1 HK 99101186 A HK99101186 A HK 99101186A HK 99101186 A HK99101186 A HK 99101186A HK 1016317 A1 HK1016317 A1 HK 1016317A1
Authority
HK
Hong Kong
Prior art keywords
fabry
buffer layer
superposed
partial mirror
perot
Prior art date
Application number
HK99101186A
Other languages
English (en)
Inventor
Gerrit Cornelis Dubbeldam
Freddy Gerhard Hendrikus Wijk
Nico Maaskant
Kyung Sun Min
Young Jae Huh
Jong Sung Kim
Original Assignee
Akzo Nobel Nv
Samsung Electronics 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 Akzo Nobel Nv, Samsung Electronics Co Ltd filed Critical Akzo Nobel Nv
Publication of HK1016317A1 publication Critical patent/HK1016317A1/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24062Reflective layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00452Recording involving bubble or bump forming
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/257Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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 reflective layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • G11B7/246Record 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 dyes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • G11B7/246Record 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 dyes
    • G11B7/2467Record 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 dyes azo-dyes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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 substrates
    • G11B7/2531Record 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 substrates comprising glass
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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 substrates
    • G11B7/2533Record 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 substrates comprising resins
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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 substrates
    • G11B7/2533Record 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 substrates comprising resins
    • G11B7/2534Record 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 substrates comprising resins polycarbonates [PC]
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/254Record 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 protective topcoat layers
    • G11B7/2542Record 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 protective topcoat layers consisting essentially of organic resins
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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 reflective layers
    • G11B7/2585Record 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 reflective layers based on aluminium
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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 reflective layers
    • G11B7/259Record 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 reflective layers based on silver
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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 reflective layers
    • G11B7/2595Record 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 reflective layers based on gold
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/913Material designed to be responsive to temperature, light, moisture
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146Laser beam
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/21Circular sheet or circular blank
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Glass Compositions (AREA)
  • Manufacturing Optical Record Carriers (AREA)
HK99101186A 1995-12-01 1999-03-23 Optical recording medium based on fabry-perot principle HK1016317A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP95203301 1995-12-01
US871195P 1995-12-15 1995-12-15
KR19950050705 1995-12-15
EP95203502 1995-12-15
PCT/EP1996/005373 WO1997021216A1 (en) 1995-12-01 1996-11-28 Optical recording medium based on fabry-perot principle

Publications (1)

Publication Number Publication Date
HK1016317A1 true HK1016317A1 (en) 1999-10-29

Family

ID=27443080

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99101186A HK1016317A1 (en) 1995-12-01 1999-03-23 Optical recording medium based on fabry-perot principle

Country Status (19)

Country Link
US (1) US5925433A (cs)
EP (1) EP0868721B1 (cs)
JP (1) JP2000516007A (cs)
KR (1) KR19990071730A (cs)
AT (1) ATE187838T1 (cs)
AU (1) AU717242B2 (cs)
BR (1) BR9611679A (cs)
CA (1) CA2239067A1 (cs)
CZ (1) CZ289559B6 (cs)
DE (1) DE69605685T2 (cs)
EA (1) EA000524B1 (cs)
ES (1) ES2143246T3 (cs)
HK (1) HK1016317A1 (cs)
IL (1) IL124700A0 (cs)
MX (1) MX9804364A (cs)
NO (1) NO982484L (cs)
NZ (1) NZ323928A (cs)
PL (1) PL181997B1 (cs)
WO (1) WO1997021216A1 (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6139933A (en) * 1996-09-02 2000-10-31 Akzo Nobel N. V. Optical recording medium comprising a cross-linked buffer layer
KR100316772B1 (ko) * 1998-04-09 2002-01-16 윤종용 광기록 매체
DE60142523D1 (de) * 2000-12-19 2010-08-19 Sony Corp Otpische platte, aufzeichnungsvorrichtung und verfahren für optische platte und verfahren zu ihrer reproduktion
AU2003223502A1 (en) * 2002-04-05 2003-10-27 Flexplay Technologies, Inc. Limited play optically-readable medium with liquid crystals and methodology therefor
WO2004102552A2 (en) * 2003-05-16 2004-11-25 Koninklijke Philips Electronics N.V. Optical data storage medium for write once recording
MXPA06013852A (es) * 2004-06-03 2007-03-02 Clariant Finance Bvi Ltd Uso de colorantes de acido escuarico en capas opticas para el registro optico de datos.
US7364780B2 (en) * 2004-12-08 2008-04-29 Van Brocklin Andrew L Thermally-sensitive medium with Fabry-Perot cavities
CN100472201C (zh) * 2005-12-27 2009-03-25 中国科学院物理研究所 一种兼有干涉效应和等离子振荡效应的传感器及其用途
US20210302710A1 (en) * 2020-02-24 2021-09-30 Massachusetts Institute Of Technology Bragg light source for dark-field imaging devices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903915A (nl) * 1979-05-18 1980-11-20 Philips Nv Informatieregistratieelement.
JPS5621893A (en) * 1979-07-27 1981-02-28 Xerox Corp Optical recording part
FR2488711B1 (fr) * 1980-08-13 1985-06-28 Thomson Csf Procede thermo-optique d'inscription d'information et support d'information destine a la mise en oeuvre de ce procede
JPS57205193A (en) * 1981-06-12 1982-12-16 Fuji Photo Film Co Ltd Optical information recording medium
US4578788A (en) * 1983-06-02 1986-03-25 International Business Machines Corporation High performance optical storage medium with separate mechanical servo tracks embedded within the medium
US5026623A (en) * 1986-04-21 1991-06-25 Canon Kabushiki Kaisha Optical recording medium
US4940618A (en) * 1988-07-30 1990-07-10 Taiyo Yuden Company, Ltd. Optical information recording medium
EP0458604B1 (en) * 1990-05-22 1997-08-27 Canon Kabushiki Kaisha Method and apparatus for recording and reproducing information in cells using multiple interference
JPH04193586A (ja) * 1990-11-28 1992-07-13 Ricoh Co Ltd 光記録媒体
DE4127341C2 (de) * 1991-08-19 2000-03-09 Leybold Ag Vorrichtung zum selbsttätigen Gießen, Beschichten, Lackieren, Prüfen und Sortieren von Werkstücken
DE4408517C2 (de) * 1994-03-14 1998-03-26 Markgraeflich Badische Industr Verfahren sowie Vorrichtung zur Bearbeitung optisch lesbarer Datenträger
TW270989B (en) * 1994-11-22 1996-02-21 Akzo Nobel Nv Digital storage medium based on fabry-perot principle

Also Published As

Publication number Publication date
CA2239067A1 (en) 1997-06-12
EP0868721A1 (en) 1998-10-07
PL181997B1 (pl) 2001-10-31
ES2143246T3 (es) 2000-05-01
BR9611679A (pt) 1999-03-02
NO982484D0 (no) 1998-05-29
AU1097597A (en) 1997-06-27
AU717242B2 (en) 2000-03-23
EP0868721B1 (en) 1999-12-15
CZ168398A3 (cs) 1998-12-16
DE69605685T2 (de) 2000-06-21
NZ323928A (en) 1999-08-30
EA199800501A1 (ru) 1998-12-24
JP2000516007A (ja) 2000-11-28
DE69605685D1 (de) 2000-01-20
US5925433A (en) 1999-07-20
KR19990071730A (ko) 1999-09-27
CZ289559B6 (cs) 2002-02-13
IL124700A0 (en) 1998-12-06
MX9804364A (es) 1998-09-30
ATE187838T1 (de) 2000-01-15
NO982484L (no) 1998-07-29
WO1997021216A1 (en) 1997-06-12
EA000524B1 (ru) 1999-10-28
PL327081A1 (en) 1998-11-23

Similar Documents

Publication Publication Date Title
US5850375A (en) System and method using optical fibers in a data storage and retrieval system
US6154432A (en) Optical storage system
US5272550A (en) Hologram system
WO1996004650B1 (en) Dual layer optical medium having partially reflecting thin film layer
MX9700859A (es) Medio optico de capa doble que tiene una capa de pelicula delgada parcialmente reflexiva.
EP0915458A3 (en) Optical head and optical disk apparatus
KR930001153A (ko) 다중 데이터 표면 데이터 기억 시스템 및 방법
KR960015455A (ko) 광학 정보 기록 매체
KR890005690A (ko) 광학 기록매체 및 그 제조방법
KR960015450A (ko) 다층 광 디스크
JPS5740768A (en) Photomagnetic layered recording medium
AU2003253772A1 (en) Limited play data storage media and method for limiting access to data thereon
HK1016317A1 (en) Optical recording medium based on fabry-perot principle
TW200501106A (en) Optical recording medium and record reproduction method and manufacturing method thereof
TW430791B (en) Optical head and optical information recording and reproducing device using the head
EP1189218A3 (en) Optical recording information medium
EP0366455A3 (en) Optical recording medium and method of its production
US5617405A (en) Optical recording medium having at least two separate recording layers of different writing temperatures
JPS6130329B2 (cs)
JPS54139702A (en) Information recoeding medium and production of the same
US4707814A (en) Extended cavity laser recording method and apparatus
JPS63255830A (ja) 光学的情報再生装置
EP0395053A3 (en) Optical information recording medium
EP0883116A3 (en) Optical recording media
JPS6479950A (en) Optical recording medium and its production

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20041128