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DE69230595D1 - Optische Platte mit metallischer Reflektionsschicht - Google Patents

Optische Platte mit metallischer Reflektionsschicht

Info

Publication number
DE69230595D1
DE69230595D1 DE69230595T DE69230595T DE69230595D1 DE 69230595 D1 DE69230595 D1 DE 69230595D1 DE 69230595 T DE69230595 T DE 69230595T DE 69230595 T DE69230595 T DE 69230595T DE 69230595 D1 DE69230595 D1 DE 69230595D1
Authority
DE
Germany
Prior art keywords
disc
reflective layer
optical plate
metallic reflective
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 - Fee Related
Application number
DE69230595T
Other languages
English (en)
Other versions
DE69230595T2 (de
Inventor
Jiro Ikeda
Yoshitake Yanagisawa
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69230595D1 publication Critical patent/DE69230595D1/de
Application granted granted Critical
Publication of DE69230595T2 publication Critical patent/DE69230595T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/24—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
    • G11B7/258—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 reflective layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24062—Reflective 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
    • G11B7/241—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
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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]
    • Y10T428/31678—Of metal

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Laminated Bodies (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
DE69230595T 1991-09-25 1992-09-18 Optische Platte mit metallischer Reflektionsschicht Expired - Fee Related DE69230595T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3246091A JPH0589517A (ja) 1991-09-25 1991-09-25 光デイスク

Publications (2)

Publication Number Publication Date
DE69230595D1 true DE69230595D1 (de) 2000-02-24
DE69230595T2 DE69230595T2 (de) 2000-07-13

Family

ID=17143361

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69229207T Expired - Fee Related DE69229207T2 (de) 1991-09-25 1992-09-18 Optische Platte mit korrosionsbeständiger metallischer Reflektionsschicht
DE69230595T Expired - Fee Related DE69230595T2 (de) 1991-09-25 1992-09-18 Optische Platte mit metallischer Reflektionsschicht

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69229207T Expired - Fee Related DE69229207T2 (de) 1991-09-25 1992-09-18 Optische Platte mit korrosionsbeständiger metallischer Reflektionsschicht

Country Status (6)

Country Link
US (1) US5409756A (de)
EP (2) EP0716416B1 (de)
JP (1) JPH0589517A (de)
KR (1) KR930006654A (de)
AT (2) ATE189077T1 (de)
DE (2) DE69229207T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960030116A (ko) * 1995-01-28 1996-08-17 김광호 광자기 디스크 및 이의 제조방법
JPH0963120A (ja) * 1995-08-25 1997-03-07 Sony Corp 光学記録媒体
US5728441A (en) * 1995-12-01 1998-03-17 Samsung Electronics Co., Ltd. Recordable/replayable optical recording medium and optical recording method therefor
US5940362A (en) * 1996-08-19 1999-08-17 Sensormatic Electronics Corporation Disc device having a magnetic layer overweighing the information signal pattern for electronic article surveillance
KR100230449B1 (ko) * 1996-10-10 1999-11-15 윤종용 광기록매체
KR100230448B1 (ko) * 1996-10-10 1999-11-15 윤종용 광기록매체
US6126992A (en) * 1998-04-23 2000-10-03 E.I. Dupont De Nemours And Company Optical articles comprising isosorbide polyesters and method for making same
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
CN100449616C (zh) * 1999-02-12 2009-01-07 通用电气公司 数据存储介质及其形成方法、压印衬底及检索数据的方法
JP2001006210A (ja) * 1999-06-22 2001-01-12 Sony Corp 光記録媒体及びディスクカートリッジ
CN100391620C (zh) * 2001-04-19 2008-06-04 通用电气公司 旋涂介质
CN100416695C (zh) * 2001-04-23 2008-09-03 松下电器产业株式会社 光学信息记录介质和光学信息记录/再现装置
GB2422839B (en) * 2005-01-11 2009-06-24 Schlumberger Holdings Degradable polymers for wellbore fluids and processes
WO2006075305A1 (en) * 2005-01-17 2006-07-20 Koninklijke Philips Electronics N.V. Data carrier with limited accessibility

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363844A (en) * 1980-09-22 1982-12-14 Lewis Terry W Metallized information carrying discs
NL8102283A (nl) * 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
JPS58196641A (ja) * 1982-05-12 1983-11-16 Sharp Corp 磁気光学記憶素子
EP0281598A1 (de) * 1986-09-08 1988-09-14 Unisys Corporation Magnetische datenspeichermedien
JPH01302552A (ja) * 1988-05-31 1989-12-06 Hitachi Maxell Ltd 光情報記録媒体
DE3818934A1 (de) * 1988-06-03 1989-12-14 Leybold Ag Optischer aufzeichnungstraeger

Also Published As

Publication number Publication date
EP0534693B1 (de) 1999-05-19
EP0716416A1 (de) 1996-06-12
ATE180352T1 (de) 1999-06-15
DE69230595T2 (de) 2000-07-13
JPH0589517A (ja) 1993-04-09
ATE189077T1 (de) 2000-02-15
DE69229207T2 (de) 1999-12-09
EP0534693A1 (de) 1993-03-31
US5409756A (en) 1995-04-25
EP0716416B1 (de) 2000-01-19
KR930006654A (ko) 1993-04-21
DE69229207D1 (de) 1999-06-24

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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