DE3884013T2 - Optischer Datenaufzeichnungsträger. - Google Patents

Optischer Datenaufzeichnungsträger.

Info

Publication number
DE3884013T2
DE3884013T2 DE19883884013 DE3884013T DE3884013T2 DE 3884013 T2 DE3884013 T2 DE 3884013T2 DE 19883884013 DE19883884013 DE 19883884013 DE 3884013 T DE3884013 T DE 3884013T DE 3884013 T2 DE3884013 T2 DE 3884013T2
Authority
DE
Germany
Prior art keywords
recording medium
data recording
optical data
optical
medium
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
DE19883884013
Other languages
English (en)
Other versions
DE3884013D1 (de
Inventor
Kyo Miura
Hiroyuki Sugata
Yoshihiro No Sukai Grin Oguchi
Hitoshi Yoshino
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP62040419A external-priority patent/JPH0827995B2/ja
Priority claimed from JP62040415A external-priority patent/JPH0827994B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3884013D1 publication Critical patent/DE3884013D1/de
Publication of DE3884013T2 publication Critical patent/DE3884013T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/241Record 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
    • G11B7/2572Record 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 consisting essentially of organic materials
    • G11B7/2575Record 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 consisting essentially of organic materials 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
    • 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • G11B7/2463Record 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 azulene
    • 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
    • G11B7/247Record 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 methine or polymethine 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
    • 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
    • G11B7/256Record 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 improving adhesion between layers
    • 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
    • Y10T428/23Sheet including cover or casing
    • 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
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • 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
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612Composite web or sheet
    • 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
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/261In terms of molecular thickness or light wave length
    • 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
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • 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
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264Up to 3 mils
    • 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
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • 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]
    • 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]
    • Y10T428/31507Of polycarbonate
    • 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]
    • Y10T428/31511Of epoxy ether
    • Y10T428/31515As intermediate layer
    • 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]
    • Y10T428/31786Of polyester [e.g., alkyd, etc.]
DE19883884013 1987-02-25 1988-02-24 Optischer Datenaufzeichnungsträger. Expired - Fee Related DE3884013T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62040419A JPH0827995B2 (ja) 1987-02-25 1987-02-25 光学的情報記録担体
JP62040415A JPH0827994B2 (ja) 1987-02-25 1987-02-25 光カ−ド

Publications (2)

Publication Number Publication Date
DE3884013D1 DE3884013D1 (de) 1993-10-21
DE3884013T2 true DE3884013T2 (de) 1994-03-03

Family

ID=26379884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883884013 Expired - Fee Related DE3884013T2 (de) 1987-02-25 1988-02-24 Optischer Datenaufzeichnungsträger.

Country Status (3)

Country Link
US (1) US4871601A (de)
EP (1) EP0280531B1 (de)
DE (1) DE3884013T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412224U (de) * 1987-07-08 1989-01-23
US5249176A (en) * 1987-07-20 1993-09-28 Canon Kabushiki Kaisha Optical recording medium, process for preparing the same and its optical recording and reproducing system
US5328816A (en) * 1988-09-13 1994-07-12 Canon Kabushiki Kaisha Process for producing optical recording medium
EP0369780B1 (de) * 1988-11-16 1996-01-24 Canon Kabushiki Kaisha Verfahren zur Herstellung von Bildplatten
JP2551474B2 (ja) * 1988-11-28 1996-11-06 キヤノン株式会社 光記録媒体およびその製造方法
JPH02226533A (ja) * 1989-02-27 1990-09-10 Mitsubishi Electric Corp 情報記録媒体
US5002622A (en) * 1989-02-27 1991-03-26 Del Mar Avionics Glass based optical disc manufacturing process
JP2880180B2 (ja) * 1989-03-28 1999-04-05 キヤノン株式会社 記憶媒体
EP0404521A3 (de) * 1989-06-21 1991-05-02 Hitachi Maxell Ltd. Optischer Aufzeichnungsträger und dessen Herstellungsverfahren
EP0407931A3 (en) * 1989-07-12 1992-07-29 Laser Technology Sdn. Bhd. Laser recording medium
JP3015053B2 (ja) * 1989-10-12 2000-02-28 キヤノン株式会社 光学記録媒体
US5270150A (en) * 1990-04-25 1993-12-14 Victor Company Of Japan, Ltd. Optical recording medium and process for producing it
DE69127398T2 (de) * 1990-05-22 1998-01-02 Canon Kk Verfahren und Gerät zur Aufzeichnung und Wiedergabe von Informationen in Zellen, die eine vielfache Interferenz gebrauchen
EP0498657A3 (en) * 1991-02-08 1993-03-03 Canon Kabushiki Kaisha Optical recording medium, method of reproducing recorded data of optical recording medium, and system for reproducing recorded data of optical recording medium
EP0526224B1 (de) * 1991-08-02 2001-05-30 Canon Kabushiki Kaisha Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung, und Datenaufzeichnungsverfahren
US5482822A (en) * 1992-05-12 1996-01-09 Canon Kabushiki Kaisha Infrared-absorptive compound and optical recording medium making use of the same
EP0575176B1 (de) * 1992-06-18 1998-08-19 Canon Kabushiki Kaisha Optisches Aufzeichnungsmedium, Informationsaufzeichnungsmethode und Informationswiedergabemethode
US5503888A (en) * 1992-06-19 1996-04-02 Canon Kabushiki Kaisha Optical recording medium, substrate for optical recording medium, and method for preparing substrate for optical recording medium
US5368988A (en) * 1992-09-11 1994-11-29 Tdk Corporation Optical recording medium
US5527497A (en) * 1992-11-26 1996-06-18 Canon Kabushiki Kaisha Process and apparatus for manufacturing substrate sheet for optical recording mediums, and process for preparing stamper
CA2110233C (en) 1992-12-02 1999-01-12 Mitsui Toatsu Chemicals, Incorporated Optical information recording medium and composition for optical information recording film
US5505769A (en) * 1993-08-02 1996-04-09 Munters Corporation Titanium silicate aerogel element and humidity exchanger using matrix of aerogel element
US6527904B1 (en) * 1996-11-14 2003-03-04 Pioneer Electronic Corporation Method of producing an optical video disc
DE69812248T2 (de) * 1997-07-29 2004-03-25 Victor Company of Japan, Ltd., Yokohama Informationsaufzeichnungsträger und Verfahren zu dessen Herstellung
TW564408B (en) * 2001-11-09 2003-12-01 Ritek Corp Method and structure to increase the track-following signal of optical disk
WO2006035496A1 (ja) * 2004-09-28 2006-04-06 Fujitsu Limited α線量率測定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435801A (en) * 1979-12-28 1984-03-06 Rca Corporation Information record with a thick overcoat
US4340655A (en) * 1980-06-18 1982-07-20 Eastman Kodak Company Thermal and mechanical barrier layers for optical recording elements
JPS57130243A (en) * 1981-02-05 1982-08-12 Toshiba Corp Information storage medium
JPS5845635A (ja) * 1981-09-08 1983-03-16 Fujitsu Ltd 記録媒体
JPS5963039A (ja) * 1982-09-30 1984-04-10 Toshiba Corp 情報記憶媒体
JPS5977647A (ja) * 1982-10-26 1984-05-04 Matsushita Electric Ind Co Ltd 光学式円盤
JPS5990248A (ja) * 1982-11-15 1984-05-24 Sony Corp 情報記録媒体
JPS60197956A (ja) * 1984-03-21 1985-10-07 Nec Home Electronics Ltd 光デイスク
JPS6159641A (ja) * 1984-08-30 1986-03-27 Victor Co Of Japan Ltd 記録媒体

Also Published As

Publication number Publication date
EP0280531B1 (de) 1993-09-15
DE3884013D1 (de) 1993-10-21
US4871601A (en) 1989-10-03
EP0280531A3 (en) 1989-05-17
EP0280531A2 (de) 1988-08-31

Similar Documents

Publication Publication Date Title
DE3883826T2 (de) Optisches Aufzeichnungsmedium.
DE3887304T2 (de) Optisches Aufzeichnungsmedium.
DE3884013D1 (de) Optischer Datenaufzeichnungsträger.
DE69022497T2 (de) Optisches Aufzeichnungsmedium.
DE69019635D1 (de) Optisches Aufzeichnungsmedium.
NL192639B (nl) Optisch registratiemedium.
DE3853640T2 (de) Informationsaufzeichnungsmedium.
DE3771406D1 (de) Optisches aufzeichnungsmedium.
DE3883174T2 (de) Optisches Informationsaufzeichnungsmedium.
DE3577491D1 (de) Optisches informationsaufzeichnungsmedium.
KR890008770A (ko) 광정보 기록매체
DE3785572D1 (de) Optisches aufzeichnungsmedium.
DE3784389T2 (de) Optisches aufzeichnungsmedium.
DE3854934D1 (de) Datenaufzeichnungträger
DE3885992D1 (de) Optisches Informationsaufzeichnungs-/wiedergabegerät.
DE3854370T2 (de) Datenaufzeichnungsmedium.
DE68918536T2 (de) Optisches Aufzeichnungsmedium.
DE68915832T2 (de) Optisches Aufzeichnungsmedium.
DE3783529D1 (de) Optisches aufzeichnungsmedium.
DE3885848T2 (de) Optisches Aufzeichnungsmedium.
DE68921308T2 (de) Optisches Aufzeichnungsmedium.
DE3853497D1 (de) Optisches Informationsaufzeichnungsmedium.
DE3883261D1 (de) Informationsaufzeichnungsmedium.
DE3773303D1 (de) Optisches aufzeichnungsmedium.
DE69031054D1 (de) Optischer Datenaufzeichnungsträger

Legal Events

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