JP7526933B2 - 光記録媒体、情報の記録方法及び情報の読出方法 - Google Patents

光記録媒体、情報の記録方法及び情報の読出方法 Download PDF

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Publication number
JP7526933B2
JP7526933B2 JP2024521584A JP2024521584A JP7526933B2 JP 7526933 B2 JP7526933 B2 JP 7526933B2 JP 2024521584 A JP2024521584 A JP 2024521584A JP 2024521584 A JP2024521584 A JP 2024521584A JP 7526933 B2 JP7526933 B2 JP 7526933B2
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Japan
Prior art keywords
group
recording medium
recording
optical
light
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Japanese (ja)
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JPWO2023223673A1 (https=
JPWO2023223673A5 (https=
Inventor
伸治 安藤
麻紗子 横山
康太 安藤
勇輝 小原
秀和 荒瀬
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0683—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0694—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only two nitrogen atoms in the ring, e.g. polyquinoxalines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • 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
    • 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
    • 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
    • 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
    • G11B7/244—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 organic materials only
    • G11B7/246—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 organic materials only containing dyes
    • 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
    • G11B2007/25701—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 consisting essentially of organic materials
    • G11B2007/25703—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
    • G11B7/242—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
    • G11B7/244—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 organic materials only
    • G11B7/245—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 organic materials only containing a polymeric component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2024521584A 2022-05-17 2023-03-27 光記録媒体、情報の記録方法及び情報の読出方法 Active JP7526933B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022081188 2022-05-17
JP2022081188 2022-05-17
PCT/JP2023/012102 WO2023223673A1 (ja) 2022-05-17 2023-03-27 光記録媒体、情報の記録方法及び情報の読出方法

Publications (3)

Publication Number Publication Date
JPWO2023223673A1 JPWO2023223673A1 (https=) 2023-11-23
JPWO2023223673A5 JPWO2023223673A5 (https=) 2024-07-30
JP7526933B2 true JP7526933B2 (ja) 2024-08-02

Family

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JP2024521584A Active JP7526933B2 (ja) 2022-05-17 2023-03-27 光記録媒体、情報の記録方法及び情報の読出方法

Country Status (4)

Country Link
US (1) US20250054516A1 (https=)
JP (1) JP7526933B2 (https=)
CN (1) CN119110974A (https=)
WO (1) WO2023223673A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003006920A (ja) 2001-04-19 2003-01-10 Mitsubishi Chemicals Corp 情報記録媒体
WO2006051765A1 (ja) 2004-11-15 2006-05-18 Matsushita Electric Industrial Co., Ltd. 情報記録媒体及び光学情報記録再生装置
JP2006260748A (ja) 2005-02-18 2006-09-28 Taiyo Yuden Co Ltd 光情報記録媒体、その製造方法及びその表面印刷方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS644935A (en) * 1987-06-29 1989-01-10 Toshiba Corp Information recording medium
JPH023124A (ja) * 1988-06-16 1990-01-08 Fuji Photo Film Co Ltd 情報記録媒体
JPH0449537A (ja) * 1990-06-19 1992-02-18 Canon Inc 光記録媒体
TWI254303B (en) * 2003-03-13 2006-05-01 Fuji Photo Film Co Ltd Information medium
DE602006007201D1 (de) * 2005-02-18 2009-07-23 Taiyo Yuden Kk Optisches Informationsaufzeichnungsmaterial und Verfahren zu dessen Herstellung
CN115210336B (zh) * 2020-03-27 2024-05-03 松下知识产权经营株式会社 光吸收材料、使用了该光吸收材料的记录介质、信息的记录方法及信息的读出方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003006920A (ja) 2001-04-19 2003-01-10 Mitsubishi Chemicals Corp 情報記録媒体
WO2006051765A1 (ja) 2004-11-15 2006-05-18 Matsushita Electric Industrial Co., Ltd. 情報記録媒体及び光学情報記録再生装置
JP2006260748A (ja) 2005-02-18 2006-09-28 Taiyo Yuden Co Ltd 光情報記録媒体、その製造方法及びその表面印刷方法

Also Published As

Publication number Publication date
JPWO2023223673A1 (https=) 2023-11-23
CN119110974A (zh) 2024-12-10
US20250054516A1 (en) 2025-02-13
WO2023223673A1 (ja) 2023-11-23

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