FR2604279B1 - Milieu d'enregistrement d'informations optiques - Google Patents

Milieu d'enregistrement d'informations optiques

Info

Publication number
FR2604279B1
FR2604279B1 FR8712888A FR8712888A FR2604279B1 FR 2604279 B1 FR2604279 B1 FR 2604279B1 FR 8712888 A FR8712888 A FR 8712888A FR 8712888 A FR8712888 A FR 8712888A FR 2604279 B1 FR2604279 B1 FR 2604279B1
Authority
FR
France
Prior art keywords
recording medium
information recording
optical information
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 - Lifetime
Application number
FR8712888A
Other languages
English (en)
Other versions
FR2604279A1 (fr
Inventor
Keiichi Nito
Tohru Nagai
Tsutomu Noguchi
Mayumi Miyashita
Junetsu Seto
Katsumi Kohno
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.)
Sony Corp
Original Assignee
Sony Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16790238&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2604279(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2604279A1 publication Critical patent/FR2604279A1/fr
Application granted granted Critical
Publication of FR2604279B1 publication Critical patent/FR2604279B1/fr
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
    • 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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised 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
    • G11B7/252—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
    • G11B7/253—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 substrates
    • 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
    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • G11B7/2534—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 substrates comprising resins polycarbonates [PC]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
FR8712888A 1986-09-20 1987-09-17 Milieu d'enregistrement d'informations optiques Expired - Lifetime FR2604279B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22293986A JP2530324B2 (ja) 1986-09-20 1986-09-20 光学的情報記録媒体

Publications (2)

Publication Number Publication Date
FR2604279A1 FR2604279A1 (fr) 1988-03-25
FR2604279B1 true FR2604279B1 (fr) 1990-01-12

Family

ID=16790238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8712888A Expired - Lifetime FR2604279B1 (fr) 1986-09-20 1987-09-17 Milieu d'enregistrement d'informations optiques

Country Status (6)

Country Link
US (1) US5993971A (fr)
JP (1) JP2530324B2 (fr)
KR (1) KR960006305B1 (fr)
DE (1) DE3731514C2 (fr)
FR (1) FR2604279B1 (fr)
GB (1) GB2197345B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2528838B2 (ja) * 1986-10-14 1996-08-28 ソニー株式会社 光学式情報記録媒体
JPS63278929A (ja) * 1987-05-12 1988-11-16 Teijin Chem Ltd 光学用成形品の製造方法
JPH07108938B2 (ja) * 1987-06-18 1995-11-22 出光石油化学株式会社 ポリカーボネートを素材とするディスク基板
JP2621890B2 (ja) * 1987-12-04 1997-06-18 三菱瓦斯化学株式会社 光ディスク用ポリカーボネート成形材料
JP3066865B2 (ja) * 1988-10-27 2000-07-17 三菱レイヨン株式会社 プラスチック光伝送体の製造方法
EP2019121A4 (fr) * 2006-05-16 2010-02-10 Mitsubishi Gas Chemical Co Résine polycarbonate et matériau optique comprenant ladite résine
FR2918058A1 (fr) * 2007-06-28 2009-01-02 Solvay Produit a base de glycerol, procede pour sa purification et son utilisation dans la fabrication de dichloropropanol
KR20110010091A (ko) * 2008-05-13 2011-01-31 테이진 카세이 가부시키가이샤 편광 안경 렌즈

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521773B2 (fr) * 1972-07-14 1980-06-12
JPS606603B2 (ja) * 1978-08-01 1985-02-19 株式会社クボタ コンバイン
JPS6032698A (ja) * 1983-08-02 1985-02-19 Sumitomo Chem Co Ltd ポリエステル系高密度情報記録担体
JPS60184813A (ja) * 1984-03-05 1985-09-20 Mitsubishi Gas Chem Co Inc デイスク体用ポリカ−ボネ−ト樹脂成形材料の製法
US4631334A (en) * 1984-04-10 1986-12-23 Mitsubishi Gas Chemical Company, Inc. Optical articles of branched polycarbonate resin
JPH0662752B2 (ja) * 1984-08-24 1994-08-17 三菱化成株式会社 光情報材料
JPH0649750B2 (ja) * 1984-08-24 1994-06-29 三菱化成株式会社 ポリカーボネートより成る射出成形材料
JPS61213218A (ja) * 1985-03-19 1986-09-22 Idemitsu Kosan Co Ltd 光学機器用素材
JPS62196127A (ja) * 1986-02-21 1987-08-29 Mitsubishi Chem Ind Ltd 光磁気記録デイスク
JP2552121B2 (ja) * 1986-10-03 1996-11-06 ダイセル化学工業株式会社 光学式デイスク

Also Published As

Publication number Publication date
KR960006305B1 (ko) 1996-05-13
KR880004447A (ko) 1988-06-07
JP2530324B2 (ja) 1996-09-04
GB8721956D0 (en) 1987-10-28
DE3731514A1 (de) 1988-03-24
GB2197345B (en) 1990-09-26
JPS6377932A (ja) 1988-04-08
US5993971A (en) 1999-11-30
DE3731514C2 (de) 1998-05-14
FR2604279A1 (fr) 1988-03-25
GB2197345A (en) 1988-05-18

Similar Documents

Publication Publication Date Title
FR2569034B1 (fr) Milieu d'enregistrement optique d'informations
FR2566159B1 (fr) Milieu d'enregistrement optique d'informations
FR2571168B1 (fr) Support d'enregistrement optique.
KR870003475A (ko) 광학정보기록매체
FR2605134B1 (fr) Milieu d'enregistrement d'information optique
FR2558003B1 (fr) Support d'enregistrement optique
DE3883174T2 (de) Optisches Informationsaufzeichnungsmedium.
DE69322443D1 (de) Optisches Informationsaufzeichnungsmedium
DE3577491D1 (de) Optisches informationsaufzeichnungsmedium.
FR2418514B1 (fr) Support d'enregistrement optique de l'information
KR890008770A (ko) 광정보 기록매체
FR2536895B1 (fr) Support d'enregistrement optique
DE3781926D1 (de) Medium fuer optische informationsaufzeichnung.
FR2569033B1 (fr) Support d'enregistrement optique
FR2536197B1 (fr) Support d'enregistrement d'informations
FR2613111B1 (fr) Support d'enregistrement optique
FR2591788B1 (fr) Support d'enregistrement optique d'informations
FR2575578B1 (fr) Appareil d'enregistrement et de reproduction optiques d'informations
FR2580413B1 (fr) Appareil d'enregistrement-reproduction optiques d'informations
FR2561022B1 (fr) Support d'enregistrement d'information optique
DE69130080D1 (de) Optisches Aufzeichnungsmedium
FR2604279B1 (fr) Milieu d'enregistrement d'informations optiques
FR2681174B1 (fr) Milieu d'enregistrement optique.
DE3679249D1 (de) Optisches informationsspeicherungsmedium.
FR2561023B1 (fr) Support d'enregistrement optique