KR960025368A - 광학 기록 매체 - Google Patents

광학 기록 매체 Download PDF

Info

Publication number
KR960025368A
KR960025368A KR1019950072171A KR19950072171A KR960025368A KR 960025368 A KR960025368 A KR 960025368A KR 1019950072171 A KR1019950072171 A KR 1019950072171A KR 19950072171 A KR19950072171 A KR 19950072171A KR 960025368 A KR960025368 A KR 960025368A
Authority
KR
South Korea
Prior art keywords
substrate
information surface
optical recording
recording medium
thickness
Prior art date
Application number
KR1019950072171A
Other languages
English (en)
Inventor
미츠로우 모리야
신이찌 다나카
야스히로 스기하라
히로시 다니구찌
미찌요시 나가시마
Original Assignee
모리시따 요오이찌
마쓰시타 덴키 산교 가부시키가이샤
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 모리시따 요오이찌, 마쓰시타 덴키 산교 가부시키가이샤 filed Critical 모리시따 요오이찌
Publication of KR960025368A publication Critical patent/KR960025368A/ko

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
    • G11B7/253—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/14—Macromolecular materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • 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
    • 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
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording 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
    • G11B7/242—Record 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
    • G11B7/243—Record 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 inorganic materials only, e.g. ablative 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
    • G11B7/254—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 protective topcoat 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
    • G11B7/256—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 layers improving adhesion between 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
    • G11B7/258—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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/266—Sputtering or spin-coating 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
    • G11B7/242—Record 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
    • G11B7/243—Record 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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B7/242—Record 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
    • G11B7/243—Record 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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/242—Record 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
    • G11B7/243—Record 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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • G11B7/257—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 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
    • 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
    • G11B7/2585—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 based on aluminium
    • 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
    • G11B7/2595—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 based on gold
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12674—Ge- or Si-base component
    • 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
    • Y10T428/21—Circular sheet or circular blank

Abstract

본 발명의 광학 기록 매체는 제1정보면을 갖는 제1기판과; 이 제1기판의 제1정보면에 형성되는 반투명한 반사막과; 제2정보면을 갖는 제2기판과; 이 제2기판의 제2정보면에 형성된 반사막과; 제1정보면과 제2정보면이 서로 면하도록 상기 제1기판과 상기 제2기판을 접착시키는 접착층을 구비하는데, 상기 제1기판의 두께는 0.56㎜ 이상이고, 접착층의 두께는 30㎛ 이상이며, 제1기판과 접착층의 전체 두께는 0.68㎜ 이하인 것을 특징으로 한다.

Description

광학 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 제1실시에의 광학 기록 매체에 대한 부분도, 제2A도와 제2B도는 제1정보면과 제2정보면에 기록되는 정보가 제1실시예에서 재생될 때 반사된 광빔의 광학적 경로를 나타내는 도면, 제3도는 본 발명에 따른 제 2실시예의 광학 기록 매체에 대한 단면도.

Claims (13)

  1. 광학 기록 매체에 있어서, 제1정보면을 갖는 제1기판과; 이 제1기판의 제1정보면에 형성되는 반투명성의 반사막과; 제2정보면을 갖는 제2기판과; 이 제2기판의 제2정보면에 형성되는 반사막 및; 상기 제1정보면과 제2정보면이 서로 면하도록 상기 제1기판과 제2기판을 접착시키는 접착층을 구비하는데, 상기 제1기판의 두께는 0.56㎜ 이상이고, 상기 접착층의 두께는 30㎛ 이상이며, 상기 제1 및 제2접착층의 전체 두께는 0.68㎜ 이상인 것을 특징으로 하는 광학 기록 매체.
  2. 제1항에 있어서, 제1기판의 두께는 0.56㎜ 내지 0.6㎜의 범위에 있고, 접착층의 두께는 40㎛ 내지 60㎛의 범위에 있는 것을 특징으로 하는 광학 기록 매체.
  3. 제1항에 있어서, 기록 재료막은 정보의 기록 및 재생을 위한 반사막에 형성되는 것을 특징으로 하는 광학 기록 매체.
  4. 제3항에 있어서, 상기 기록 재료막은 위상 변화형 기록재료로 제조된 것을 특징으로 하는 광학 기록 매체.
  5. 제1항에 있어서, 라벨은 제2기판의 표면에 형성되는 것을 특징으로 하는 광학 기록 매체.
  6. 제1항에 있어서, 나선모양의 트랙은 제1 및 제2기판 각각에 형성되고, 제1기판상의 나선모양의 트랙의 형성 방향은 나선모양의 트랙이 제1정보면과 대향하는 제1기판의 표면의 측면으로부터 볼 때 제2기판의 나선모양의 트랙의 형성방향과 동일한 것을 특징으로 하는 광학 기록 매체.
  7. 제1항에 있어서, 나선모양의 트랙은 제1 및 제2기판 각각에 형성되고, 제1기판상의 나선모양의 트랙의 형성 방향은 나선모양의 트랙이 제1정보면과 대향하는 제1기판의 표면의 측면으로부터 볼 때 제2기판의 나선모양의 트랙의 형성방향과 반대인 것을 특징으로 하는 광학 기록 매체.
  8. 제1정보면을 갖는 제1기판과; 이 제1기판의 제1정보면에 형성되는 반투명성의 반사막과; 제2정보면을 갖는 제2기판과; 상기 제2기판의 제2정보면에 형성되는 반사막 및; 상기 제1기판의 제1정보면이 제2정보면에 대향하는 제2기판의 표면과 면하도록 상기 제1기판과 제2기판을 접착시키는 접착층을 구비하는데, 제1기판의 두께는 제2기판의 두께와 실질적으로 동일한 것을 특징으로 하는 광학 기록 매체.
  9. 제8항에 있어서, 기록 재료막은 제2기판과 반사막의 정보면 사이에 형성되는 것을 특징으로 하는 광학 기록 매체.
  10. 제9항에 있어서, 상기 기록 재료막은 위상 변화형 기록재료로 형성된 것을 특징으로 하는 광학 기록 매체.
  11. 제1정보면을 갖는 제1기판과; 이 제1기판의 제1정보면에 형성되는 반투명성의 반사막과; 제2정보면을 갖는 제2기판과; 이 제2기판의 제2정보면에 형성되는 반사막과; 상기 제1기판의 제1정보면과 상기 제2정보면에 대향하는 제2기판의 표면이 면하도록 상기 제1기판과 제2기판을 접착시키는 접착층 및; 제2기판을 위해 반사막에 형성되는 라벨을 구비하는데, 상기 제1기판의 두께는 상기 제2기판의 두께와 실질적으로 동일한 것을 특징으로 하는 광학 기록 매체.
  12. 제11항에 있어서, 기록 재료막은 상기 제2기판의 제2정보면과 상기 반사막 사이에 형성되는 것을 특징으로 하는 광학 기록 매체.
  13. 제12항에 있어서, 기록 재료막은 위상 변화형 기록 재료로 형성되는 것을 특징으로 하는 광학 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950072171A 1994-12-28 1995-12-28 광학 기록 매체 KR960025368A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP94-327961 1994-12-28
JP32796194 1994-12-28
JP31337795 1995-11-30
JP95-313377 1995-11-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1019990014574A Division KR100291379B1 (ko) 1994-12-28 1999-04-23 광학 기록 매체

Publications (1)

Publication Number Publication Date
KR960025368A true KR960025368A (ko) 1996-07-20

Family

ID=26567534

Family Applications (3)

Application Number Title Priority Date Filing Date
KR1019950072171A KR100235363B1 (ko) 1994-12-28 1995-12-28 광학 기록 매체
KR1019950072171A KR960025368A (ko) 1994-12-28 1995-12-28 광학 기록 매체
KR1019990014574A KR100291379B1 (ko) 1994-12-28 1999-04-23 광학 기록 매체

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019950072171A KR100235363B1 (ko) 1994-12-28 1995-12-28 광학 기록 매체

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1019990014574A KR100291379B1 (ko) 1994-12-28 1999-04-23 광학 기록 매체

Country Status (5)

Country Link
US (12) US5726969A (ko)
EP (2) EP0720159B1 (ko)
KR (3) KR100235363B1 (ko)
CN (2) CN1046171C (ko)
DE (2) DE69526262T2 (ko)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538774A (en) * 1994-07-29 1996-07-23 Minnesota Mining And Manufacturing Company Internally damped rotatable storage article
US5726969A (en) * 1994-12-28 1998-03-10 Matsushita Electric Industrial Co., Ltd. Optical recording medium having dual information surfaces
JPH08235641A (ja) * 1995-02-27 1996-09-13 Sony Corp 光学記録媒体とその製法
US5764619A (en) 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JP3210549B2 (ja) * 1995-05-17 2001-09-17 日本コロムビア株式会社 光情報記録媒体
JP3008819B2 (ja) * 1995-05-31 2000-02-14 日本ビクター株式会社 光ディスク
JP3076230B2 (ja) * 1995-10-13 2000-08-14 日本電気株式会社 光ディスク
US6160787A (en) * 1996-01-11 2000-12-12 Wea Manufacturing, Inc. Multiple layer optical recording medium for use with two different wavelength laser beams
TW453493U (en) * 1996-02-13 2001-09-01 Tokyo Shibaura Electric Co Reproducing device of optical disk
US6821707B2 (en) 1996-03-11 2004-11-23 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, producing method thereof and method of recording/erasing/reproducing information
JP3717585B2 (ja) * 1996-03-19 2005-11-16 パイオニア株式会社 情報記録媒体及びその情報記録装置
US5983167A (en) * 1996-05-29 1999-11-09 Dainippon Ink And Chemicals, Inc. Disc dishing measurement method and apparatus
JPH09326136A (ja) * 1996-06-05 1997-12-16 Sony Corp 光記録媒体及びその製造方法
JP2983920B2 (ja) * 1996-06-18 1999-11-29 三洋電機株式会社 互換再生可能なピックアップ調整用光記録媒体およびその調整方法
FR2750528A1 (fr) * 1996-06-28 1998-01-02 Thomson Multimedia Sa Disque optique compatible a deux systemes de lecture differents
WO1998009806A1 (en) * 1996-09-05 1998-03-12 Wea Manufacturing, Inc. Stamper for two layered disc
US7094609B2 (en) * 1996-09-20 2006-08-22 Burstein Technologies, Inc. Spatially addressable combinatorial chemical arrays in encoded optical disk format
US5844876A (en) * 1996-09-26 1998-12-01 Victor Company Of Japan, Ltd. Double-layer optical disk, recording method and manufacturing method of this optical disk
US6527904B1 (en) * 1996-11-14 2003-03-04 Pioneer Electronic Corporation Method of producing an optical video disc
WO1998049681A1 (en) * 1997-04-25 1998-11-05 Vladimir Schwartz Dry bonded digital versatile disc with one or more layers of adhesive
KR100242129B1 (ko) * 1997-06-18 2000-02-01 윤종용 복수 규격을 만족하는 광 디스크
EP1017054A4 (en) * 1997-07-01 2003-03-12 Sanyo Electric Co RECORDING MEDIUM, RECORDING DEVICE, AND PLAYER
US6503690B1 (en) 1997-08-12 2003-01-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method for recording and reproducing optical information
JPH11134720A (ja) 1997-08-28 1999-05-21 Matsushita Electric Ind Co Ltd 光学的情報記録媒体及びその記録再生方法
US6343062B1 (en) 1997-09-26 2002-01-29 Matsushita Electric Industrial Co., Ltd Optical disk device and optical disk for recording and reproducing high-density signals
US6168682B1 (en) 1998-02-10 2001-01-02 3M Innovative Properties Company Method of manufacturing an optical recording medium
US6205112B1 (en) * 1998-02-17 2001-03-20 Gateway, Inc. Multipurpose optical disc having different formats on opposing sides
AU3006599A (en) * 1998-03-23 1999-10-18 Warner Music Group, Inc. Dual format optical disc
EP0957477A3 (en) 1998-05-15 2003-11-05 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, recording and reproducing method therefor and optical information recording and reproduction apparatus
US6544716B1 (en) * 1998-06-19 2003-04-08 Terastor Corporation Multilayer optical medium for near-field optical recording and reading
US6852384B2 (en) 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7384677B2 (en) 1998-06-22 2008-06-10 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US6905750B2 (en) 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7314657B2 (en) 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6007889A (en) * 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6790503B2 (en) 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
TW448443B (en) 1998-08-05 2001-08-01 Matsushita Electric Ind Co Ltd Optical information storage media and production method as well as the storage reproducing method and device
US6124011A (en) * 1998-09-03 2000-09-26 Wea Manufacturing, Inc. Information-bearing discs and methods of fabrication
EP0984440A3 (en) 1998-09-04 2000-05-24 Matsushita Electric Industrial Co., Ltd. Aberration detection device and optical information recording and reproducing apparatus
EP1128368B1 (en) * 1998-09-10 2007-08-29 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method of manufacture thereof, and method of recording and reproduction
US6351446B1 (en) 1998-10-02 2002-02-26 Unaxis Balzers Aktiengesellschaft Optical data storage disk
ATE254792T1 (de) * 1998-10-02 2003-12-15 Unaxis Balzers Ag Optische datenspeicherscheibe
JP2000123416A (ja) * 1998-10-14 2000-04-28 Sony Corp 光記録媒体と光記録再生装置
AU6125299A (en) 1998-10-21 2000-05-08 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, and method and apparatus for recording andreproduction
US7014815B1 (en) 1998-10-30 2006-03-21 Burstein Technologies, Inc. Trackable optical discs with concurrently readable nonoperational features
PT1143989E (pt) * 1999-01-14 2007-03-30 Amylin Pharmaceuticals Inc Exendinas para supressão de glucagon
US6177168B1 (en) * 1999-03-26 2001-01-23 Warner Music Group, Inc. DVD disc with four information layers, and method for making same
BR0006081A (pt) * 1999-04-26 2001-03-20 Sony Corp Disco óptico e processo para sua fabricação.
US6660356B1 (en) 1999-05-12 2003-12-09 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon
JP2000322770A (ja) 1999-05-12 2000-11-24 Matsushita Electric Ind Co Ltd 光学情報記録媒体
DE19923542A1 (de) * 1999-05-21 2001-01-18 Thomson Brandt Gmbh Optischer Aufzeichnungsträger
TW470946B (en) * 1999-07-15 2002-01-01 Matsushita Electric Ind Co Ltd Optical recording medium and method for recording optical recording medium
US6386302B1 (en) * 1999-09-09 2002-05-14 Smith International, Inc. Polycrystaline diamond compact insert reaming tool
US7065035B1 (en) * 1999-10-25 2006-06-20 Matsushita Electric Industrial Co., Ltd. Optical multilayer disk, multiwavelength light source, and optical system using them
US6469977B2 (en) 1999-12-20 2002-10-22 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon
US6754143B2 (en) * 2000-03-24 2004-06-22 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, and method and apparatus for recording/reproducing information thereon
US6922387B1 (en) 2000-03-24 2005-07-26 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, and method and apparatus for recording/reproducing information thereon
US7314659B2 (en) 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US7374805B2 (en) 2000-07-21 2008-05-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7316837B2 (en) 2000-07-21 2008-01-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
TW556185B (en) 2000-08-17 2003-10-01 Matsushita Electric Ind Co Ltd Optical information recording medium and the manufacturing method thereof, record reproduction method and record reproduction device
US6599385B1 (en) * 2000-10-31 2003-07-29 Industrial Technology Research Institute Manufacturing method of a multi-layer optical information recording carrier
EP1410386A2 (en) * 2000-11-09 2004-04-21 Burstein Technologies, Inc. Disc drive system and methods for use with bio-discs
JP2002170276A (ja) * 2000-12-01 2002-06-14 Pioneer Electronic Corp 光学式多層情報記録媒体
US6768710B2 (en) * 2000-12-18 2004-07-27 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method and apparatus for recording information thereon
KR100385980B1 (ko) * 2000-12-28 2003-06-02 삼성전자주식회사 고밀도 광 기록 매체 및 이에 대한 데이터 기록방법
WO2002056311A2 (en) * 2001-01-11 2002-07-18 Burstein Technologies Inc Optical disc analysis system including related methods for biological and medical imaging
KR100470027B1 (ko) * 2001-06-15 2005-02-04 엘지전자 주식회사 반사표면을 갖는 고밀도 광디스크 및 그 구동방법
US7221632B2 (en) * 2001-07-12 2007-05-22 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
TW584849B (en) 2001-07-12 2004-04-21 Matsushita Electric Ind Co Ltd Optical information recording medium and recording method using the same
EP1417490A2 (en) * 2001-07-20 2004-05-12 Burstein Technologies, Inc. Optical analysis disc and related drive assembly for performing interactive centrifugation
WO2003032305A1 (fr) * 2001-10-02 2003-04-17 Bridgestone Corporation Feuille de transfert photo-durcissable, substrat d'enregistrement d'informations optique lamine, procede de fabrication correspondant, et support d'enregistrement d'informations optique
FR2832250A1 (fr) * 2001-11-09 2003-05-16 Commissariat Energie Atomique Support optique a double niveau d'enregistrement
US20080094974A1 (en) * 2001-11-09 2008-04-24 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
WO2003060668A2 (en) * 2002-01-14 2003-07-24 Burstein Technologies, Inc. Method and apparatus for visualizing data
EP1470551A2 (en) * 2002-01-28 2004-10-27 Burstein Technologies, Inc. Methods and apparatus for logical triggering
US20050002827A1 (en) * 2002-01-29 2005-01-06 Mcintyre Kevin Robert Optical discs including equi-radial and/or spiral analysis zones and related disc drive systems and methods
JP3921393B2 (ja) * 2002-02-14 2007-05-30 Ｔｄｋ株式会社 光記録媒体への情報記録方法、情報記録装置及び光記録媒体
CA2487278A1 (en) * 2002-05-27 2003-12-04 Koninklijke Philips Electronics N.V. Optical data storage medium and use of such medium
US7572517B2 (en) 2002-07-08 2009-08-11 Target Technology Company, Llc Reflective or semi-reflective metal alloy coatings
WO2004032130A1 (ja) * 2002-10-01 2004-04-15 Matsushita Electric Industrial Co., Ltd. 光学的情報記録媒体とその製造方法
WO2004069194A2 (en) * 2003-02-03 2004-08-19 The Brigham And Women's Hospital, Inc. Use of the oxidoreductase ncb50r for diagnosings and treating diabetes
JP2004273079A (ja) * 2003-03-12 2004-09-30 Fuji Photo Film Co Ltd 光情報記録媒体用透明シート、その製造方法、及び光情報記録媒体
JP2004311005A (ja) * 2003-03-25 2004-11-04 Ricoh Co Ltd 光記録媒体及びその製造方法、並びに、記録再生方法
WO2004094135A1 (en) 2003-04-18 2004-11-04 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7012942B2 (en) * 2003-08-01 2006-03-14 Eastman Kodak Company Modulating the properties of the gain region at spaced locations in an organic vertical cavity laser array device
JP3793770B2 (ja) * 2003-08-22 2006-07-05 株式会社リコー 媒体特性規定方法
CN100442367C (zh) * 2003-09-22 2008-12-10 株式会社理光 双层相变化型信息记录媒体及其记录再现方法
ATE504058T1 (de) * 2003-10-08 2011-04-15 Panasonic Corp Verfahren zur aufzeichnung von indentifikationsinformationen, vorrichtung dafür und informationsaufzeichnungsmedium
JP4276516B2 (ja) * 2003-10-20 2009-06-10 パイオニア株式会社 多層光記録媒体および光ピックアップ装置
US7716726B2 (en) * 2004-02-13 2010-05-11 Microsoft Corporation System and method for protecting a computing device from computer exploits delivered over a networked environment in a secured communication
US20050238145A1 (en) * 2004-04-22 2005-10-27 Sbc Knowledge Ventures, L.P. User interface for "how to use" application of automated self service call center
KR100605571B1 (ko) * 2004-05-10 2006-07-31 주식회사 하이닉스반도체 멀티-포트 메모리 소자
US20060067202A1 (en) * 2004-09-17 2006-03-30 Tohru Yashiro Optical recording medium, its production method, and recording method of the optical recording medium
JP2006164325A (ja) * 2004-12-02 2006-06-22 Memory Tec Kk 光ディスク、光ディスク装置、光ディスク再生方法、デジタル作品出版物
JP2006196146A (ja) * 2004-12-16 2006-07-27 Victor Co Of Japan Ltd 光ディスク及び光ディスク製造方法
US20060180271A1 (en) * 2005-02-14 2006-08-17 Canon Kabushiki Kaisha Optical recording medium and manufacturing method thereof
JP2006338718A (ja) * 2005-05-31 2006-12-14 Nec Corp 光ディスク媒体および光ディスク装置
JP2007234092A (ja) * 2006-02-28 2007-09-13 Victor Co Of Japan Ltd 光ディスク及び光ディスクの製造方法
JP2007250135A (ja) * 2006-03-17 2007-09-27 Toshiba Corp 光ディスク及び光ディスク装置
JP2007323776A (ja) * 2006-06-02 2007-12-13 Toshiba Corp 光記録媒体、情報記録方法、情報再生方法
JP5732348B2 (ja) * 2011-08-12 2015-06-10 株式会社ジャパンディスプレイ 表示装置

Family Cites Families (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312663A (en) * 1963-06-17 1967-04-04 Du Pont Polyamide esters
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
DE3416607C2 (de) * 1983-05-04 1995-03-16 Matsushita Electric Ind Co Ltd Optische Speicherplatte und Verfahren zu deren Herstellung
US4809022A (en) * 1983-06-27 1989-02-28 Optical Disc Corporation Direct read after write optical storage medium
JPS61165842A (ja) * 1985-01-16 1986-07-26 Fuji Photo Film Co Ltd 光情報記録媒体
JPS61248426A (ja) 1985-04-26 1986-11-05 Hitachi Ltd パタ−ン検出装置
JPS61248246A (ja) * 1985-04-26 1986-11-05 Hitachi Ltd 光学式デイスク
US4667309A (en) * 1985-07-08 1987-05-19 Energy Conversion Devices, Inc. Erasure means
US4807204A (en) * 1986-07-07 1989-02-21 Brother Kogyo Kabushiki Kaisha Magneto-optical recording medium having pairs of mutually corresponding recording segments, and apparatus for recording information on the medium
US4726008A (en) * 1986-10-20 1988-02-16 Eastman Kodak Company Optical disk assembly
JPS63146244A (ja) * 1986-12-10 1988-06-18 Hitachi Ltd 波長多重光記録装置
US5263016A (en) * 1987-07-27 1993-11-16 Mitsui Petrochemical Industries, Ltd. Information recording discs
US5090008A (en) * 1988-02-05 1992-02-18 Tandy Corporation Erasable recording media
JPH0728590Y2 (ja) * 1988-09-29 1995-06-28 パイオニア株式会社 光学式情報記録担体
JPH02155689A (ja) * 1988-12-08 1990-06-14 Olympus Optical Co Ltd 光記録方式
JPH02165439A (ja) * 1988-12-16 1990-06-26 Matsushita Electric Ind Co Ltd 光ヘッドおよび光ディスク
KR100264705B1 (ko) * 1989-01-11 2000-09-01 야스카와 히데아키 광 디스크 및 이의 제조방법
US5215799A (en) * 1989-01-25 1993-06-01 Idemitsu Petrochemical Co., Ltd. Optical disk substrate and optical information-storage medium
EP0624870B1 (en) * 1989-03-27 1996-11-27 Mitsubishi Denki Kabushiki Kaisha Apparatus for making optical discs
JPH0335446A (ja) * 1989-07-03 1991-02-15 Fujitsu Ltd 固定化可能部を有する書き換え可能型光ディスク
JPH0354742A (ja) * 1989-07-21 1991-03-08 Japan Synthetic Rubber Co Ltd 光ディスク、その製造方法および読み取り方法
US5303225A (en) * 1989-10-30 1994-04-12 Matsushita Electrical Industrial Co., Ltd. Multi-layered optical disk with track and layer identification
IL92952A (en) * 1990-01-03 1994-06-24 Teva Pharma R-enantiomers of n-propargyl-1-aminoindan compounds, their preparation and pharmaceutical compositions containing them
US5744500A (en) * 1990-01-03 1998-04-28 Teva Pharmaceutical Industries, Ltd. Use of R-enantiomer of N-propargyl-1-aminoindan, salts, and compositions thereof
JP2514261B2 (ja) * 1990-01-11 1996-07-10 松下電器産業株式会社 光情報媒体、その製造方法、及びそのカセットケ―ス
US5392263A (en) * 1990-01-31 1995-02-21 Sony Corporation Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens
JPH03268251A (ja) * 1990-03-16 1991-11-28 Sharp Corp 光ディスク
US5146438A (en) * 1990-05-30 1992-09-08 E. I. Du Pont De Nemours & Co. Method of making double-sided magneto-optical disks having reduced birefringence
DE4041199A1 (de) * 1990-12-21 1992-07-09 Hamatech Halbleiter Maschinenb Verfahren und vorrichtung zum verkleben von zwei miteinander zu verbindenden, informationen tragenden scheiben oder dergleichen
US5244775A (en) * 1991-03-20 1993-09-14 Hitachi, Ltd. Method of manufacturing an optical disc
JP2996261B2 (ja) 1991-04-02 1999-12-27 日立マクセル株式会社 情報記録媒体
JPH05128588A (ja) * 1991-05-16 1993-05-25 Canon Inc 光記録媒体、光記録方法及び再生方法、情報書込み装置及び情報レコードの再生装置
JPH04339332A (ja) * 1991-05-16 1992-11-26 Pioneer Electron Corp 光記録ディスクおよびその製造方法
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
US5485452A (en) * 1991-06-28 1996-01-16 Pioneer Electronic Corporation Optical information recording medium
JPH056571A (ja) * 1991-06-28 1993-01-14 Pioneer Electron Corp 光学式情報記録媒体
JPH05144086A (ja) * 1991-11-18 1993-06-11 Pioneer Electron Corp 光記録デイスク
US5312663A (en) * 1991-12-27 1994-05-17 Eastman Kodak Company Optical element having durability enhancing layer
US5202880A (en) * 1992-03-06 1993-04-13 Digital Equipment Corporation Double-sided magneto-optical media for a multi-disk storage device
US5470627A (en) * 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device
US5402834A (en) * 1992-11-25 1995-04-04 Merck & Co., Inc. Solution preparation system
US5392262A (en) * 1992-12-31 1995-02-21 International Business Machines Corporation Two-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disks
DE4311683C2 (de) * 1993-04-08 1996-05-02 Sonopress Prod Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung
US5373499A (en) * 1993-07-22 1994-12-13 International Business Machines Corporation Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness
EP0643391B1 (en) * 1993-09-07 2000-02-02 Hitachi, Ltd. Information recording media, optical disc and playback system
JP3558306B2 (ja) * 1994-07-26 2004-08-25 パイオニア株式会社 多層記録ディスク及びこれを用いた記録／再生システム
EP0706178B1 (en) * 1994-10-03 2001-05-16 Matsushita Electric Industrial Co., Ltd. Optical information medium, method for producing the optical information medium, and unit for producing the optical information medium
JPH08161767A (ja) * 1994-12-05 1996-06-21 Yasuo Kamatani 光情報記録再生方法及び装置
KR100213282B1 (ko) * 1994-12-27 1999-08-02 전주범 다층 디스크용 광 픽업
US5726969A (en) 1994-12-28 1998-03-10 Matsushita Electric Industrial Co., Ltd. Optical recording medium having dual information surfaces
JPH08203125A (ja) * 1995-01-31 1996-08-09 Pioneer Electron Corp 貼り合わせ型光ディスク及びその製造方法
US5708652A (en) * 1995-02-28 1998-01-13 Sony Corporation Multi-layer recording medium and method for producing same
US5625609A (en) * 1995-03-13 1997-04-29 International Business Machines Corporation Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JPH08339574A (ja) * 1995-04-11 1996-12-24 Sony Corp 多層光ディスク
JP3008819B2 (ja) * 1995-05-31 2000-02-14 日本ビクター株式会社 光ディスク
US5729525A (en) * 1995-06-21 1998-03-17 Matsushita Electric Industrial Co., Ltd. Two-layer optical disk
US5729533A (en) * 1995-09-12 1998-03-17 Wae Manufacturing Inc. Two-sided, light-readable information recording disc stacks and methods of making same
JP3635588B2 (ja) * 1995-09-19 2005-04-06 パイオニア株式会社 光ディスクの製造方法及び多層光ディスク
JP3076230B2 (ja) * 1995-10-13 2000-08-14 日本電気株式会社 光ディスク
JPH09161320A (ja) * 1995-12-08 1997-06-20 Nippon Columbia Co Ltd 貼り合わせ型光情報記録媒体
TW314621B (ko) * 1995-12-20 1997-09-01 Toshiba Co Ltd
US5933409A (en) * 1996-06-21 1999-08-03 Sony Corporation Optical recording medium and method for producing same
FR2750528A1 (fr) * 1996-06-28 1998-01-02 Thomson Multimedia Sa Disque optique compatible a deux systemes de lecture differents
JP3865438B2 (ja) * 1996-09-03 2007-01-10 Ｔｄｋ株式会社 光ディスク
US6360652B1 (en) * 2001-02-16 2002-03-26 Romar Llc Cooking machine
US20040010038A1 (en) * 2002-02-27 2004-01-15 Eran Blaugrund Propargylamino indan derivatives and propargylamino tetralin derivatives as brain-selective MAO inhibitors

Also Published As

Publication number Publication date
US5726969A (en) 1998-03-10
CN1132902A (zh) 1996-10-09
KR100291379B1 (ko) 2001-07-03
US6031813A (en) 2000-02-29
DE69504293D1 (de) 1998-10-01
US20010028935A1 (en) 2001-10-11
US6947366B2 (en) 2005-09-20
DE69526262D1 (de) 2002-05-08
US20040156305A1 (en) 2004-08-12
US20040160881A1 (en) 2004-08-19
US6934237B2 (en) 2005-08-23
CN1046171C (zh) 1999-11-03
US6737144B2 (en) 2004-05-18
US6489002B2 (en) 2002-12-03
US20030049405A1 (en) 2003-03-13
US6934238B2 (en) 2005-08-23
CN1275767A (zh) 2000-12-06
US20040156296A1 (en) 2004-08-12
US6280812B1 (en) 2001-08-28
US6952391B2 (en) 2005-10-04
US6143426A (en) 2000-11-07
EP0720159A2 (en) 1996-07-03
US20040160882A1 (en) 2004-08-19
KR100235363B1 (ko) 1999-12-15
EP0867874B1 (en) 2002-04-03
EP0720159B1 (en) 1998-08-26
EP0720159A3 (en) 1997-03-19
US5878018A (en) 1999-03-02
CN1291400C (zh) 2006-12-20
DE69504293T2 (de) 1999-02-18
US7272104B2 (en) 2007-09-18
DE69526262T2 (de) 2002-08-08
EP0867874A3 (en) 1999-03-17
US20050163025A1 (en) 2005-07-28
EP0867874A2 (en) 1998-09-30

Similar Documents

Publication Publication Date Title
KR960025368A (ko) 광학 기록 매체
KR960038797A (ko) 다층 광디스크
KR970707535A (ko) 광학적 다층 구조의 정보 캐리어(Optical multilayer information carrier)
KR960015455A (ko) 광학 정보 기록 매체
EP0768652A3 (en) Single-substrate multi-layer optical disk for read-only storage and phase change rewritable storage
WO1996031875A3 (en) Optical information recording medium, manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus
DE69426660T2 (de) Optisches Medium mit Mehrfachdatenoberfläche und Speichersystem
KR960032366A (ko) 광학기록매체와 그 제법
MY118552A (en) Optical recording medium and optical disk apparatus
KR20060038982A (ko) 광 기록 매체 및 광 기록 재생 장치
ATE255266T1 (de) Mit zwei verschiedenen wiedergabesystemen kompatible optische platte
KR960030123A (ko) 광정보기록매체와 광정보기록, 재생 및 소거방법
KR970012410A (ko) 광학 기록 매체
KR920020429A (ko) 광기록매체
KR950030075A (ko) 광 디스크 및 그 제조방법
KR970012411A (ko) 다층 광 디스크
WO2003017267A1 (fr) Support d'enregistrement optique
JPS59198549A (ja) 光磁気デイスク
KR970002970A (ko) 광자기디스크
KR940022439A (ko) 소거가능형 양면 유기광기록 디스크
KR970023051A (ko) 광 기록 매체
KR940022438A (ko) 광자기 디스크
KR960019101A (ko) 다층 광 기록 장치 및 그 제조방법
JPH02143932A (ja) 光カード
KR910001678A (ko) 광자기 디스크

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
A107 Divisional application of patent
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110811

Year of fee payment: 13

FPAY Annual fee payment

Payment date: 20120907

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee