ATE180352T1 - Optische platte mit korrosionsbeständiger metallischer reflektionsschicht - Google Patents

Optische platte mit korrosionsbeständiger metallischer reflektionsschicht

Info

Publication number
ATE180352T1
ATE180352T1 AT92308535T AT92308535T ATE180352T1 AT E180352 T1 ATE180352 T1 AT E180352T1 AT 92308535 T AT92308535 T AT 92308535T AT 92308535 T AT92308535 T AT 92308535T AT E180352 T1 ATE180352 T1 AT E180352T1
Authority
AT
Austria
Prior art keywords
disc
corrosion
reflection layer
optical plate
metallic reflection
Prior art date
Application number
AT92308535T
Other languages
English (en)
Inventor
Jiro Ikeda
Yoshitake Yanagisawa
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
Application granted granted Critical
Publication of ATE180352T1 publication Critical patent/ATE180352T1/de

Links

Classifications

    • 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
    • G11B7/241—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
    • 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)
AT92308535T 1991-09-25 1992-09-18 Optische platte mit korrosionsbeständiger metallischer reflektionsschicht ATE180352T1 (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 (1)

Publication Number Publication Date
ATE180352T1 true ATE180352T1 (de) 1999-06-15

Family

ID=17143361

Family Applications (2)

Application Number Title Priority Date Filing Date
AT92308535T ATE180352T1 (de) 1991-09-25 1992-09-18 Optische platte mit korrosionsbeständiger metallischer reflektionsschicht
AT96100275T ATE189077T1 (de) 1991-09-25 1992-09-18 Optische platte mit metallischer reflektionsschicht

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT96100275T ATE189077T1 (de) 1991-09-25 1992-09-18 Optische platte mit metallischer reflektionsschicht

Country Status (6)

Country Link
US (1) US5409756A (de)
EP (2) EP0534693B1 (de)
JP (1) JPH0589517A (de)
KR (1) KR930006654A (de)
AT (2) ATE180352T1 (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
KR100230448B1 (ko) * 1996-10-10 1999-11-15 윤종용 광기록매체
KR100230449B1 (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
KR100755089B1 (ko) 1999-02-12 2007-09-03 제너럴 일렉트릭 캄파니 저장 매체, 기판 제조 방법, 데이터 검색 방법, 엠보싱 방법 및 데이터 저장 매체 형성 방법
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
WO2002085537A2 (en) * 2001-04-19 2002-10-31 General Electric Company Spin coating process
US6941572B2 (en) * 2001-04-23 2005-09-06 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and optical information recording/reproduction apparatus
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
JPH01500626A (ja) * 1986-09-08 1989-03-01 ユニシス・コーポレーシヨン 磁気情報記憶媒体
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
DE69230595D1 (de) 2000-02-24
JPH0589517A (ja) 1993-04-09
DE69229207D1 (de) 1999-06-24
KR930006654A (ko) 1993-04-21
DE69230595T2 (de) 2000-07-13
EP0716416B1 (de) 2000-01-19
DE69229207T2 (de) 1999-12-09
EP0534693A1 (de) 1993-03-31
ATE189077T1 (de) 2000-02-15
EP0716416A1 (de) 1996-06-12
EP0534693B1 (de) 1999-05-19
US5409756A (en) 1995-04-25

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee