JPH0452792B2 - - Google Patents

Info

Publication number
JPH0452792B2
JPH0452792B2 JP60047197A JP4719785A JPH0452792B2 JP H0452792 B2 JPH0452792 B2 JP H0452792B2 JP 60047197 A JP60047197 A JP 60047197A JP 4719785 A JP4719785 A JP 4719785A JP H0452792 B2 JPH0452792 B2 JP H0452792B2
Authority
JP
Japan
Prior art keywords
recording medium
recording
light
optical recording
dyes
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
JP60047197A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61205187A (ja
Inventor
Kimimasa Myazaki
Eiji Ando
Masaaki Yoshino
Kazuhisa Morimoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP60047197A priority Critical patent/JPS61205187A/ja
Priority to US06/836,625 priority patent/US4737427A/en
Priority to DE3689891T priority patent/DE3689891T2/de
Priority to EP86102848A priority patent/EP0193931B1/en
Publication of JPS61205187A publication Critical patent/JPS61205187A/ja
Priority to US07/145,686 priority patent/US4845021A/en
Publication of JPH0452792B2 publication Critical patent/JPH0452792B2/ja
Granted 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • 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
    • G11B2007/24612—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 two or more dyes in one layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP60047197A 1985-03-06 1985-03-08 光学記録媒体 Granted JPS61205187A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60047197A JPS61205187A (ja) 1985-03-08 1985-03-08 光学記録媒体
US06/836,625 US4737427A (en) 1985-03-06 1986-03-05 Optical high density recording mediums, method for making same and method for recording optical information in the medium
DE3689891T DE3689891T2 (de) 1985-03-06 1986-03-05 Optische Aufzeichnungsmedien mit hoher Dichte, Verfahren zu deren Herstellung und Verfahren um optische Informationen in diesem Medium aufzuzeichnen.
EP86102848A EP0193931B1 (en) 1985-03-06 1986-03-05 Optical high density recording mediums, method for making same and method for recording optical information in the medium
US07/145,686 US4845021A (en) 1985-03-06 1988-01-14 Method for recording optical information in optical high density recording mediums

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60047197A JPS61205187A (ja) 1985-03-08 1985-03-08 光学記録媒体

Publications (2)

Publication Number Publication Date
JPS61205187A JPS61205187A (ja) 1986-09-11
JPH0452792B2 true JPH0452792B2 (enrdf_load_stackoverflow) 1992-08-24

Family

ID=12768400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60047197A Granted JPS61205187A (ja) 1985-03-06 1985-03-08 光学記録媒体

Country Status (1)

Country Link
JP (1) JPS61205187A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0260976A (ja) * 1988-08-29 1990-03-01 Pentel Kk 光情報記録媒体用インキ
JPH0569671A (ja) * 1991-09-13 1993-03-23 Nec Corp 多値光記録媒体およびその読み出し装置
TW453944B (en) * 1998-11-02 2001-09-11 Rohm & Amp Haas Company High quality plastic sheet, apparatus for producing same and their optical and electronic display applications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105442A (ja) * 1981-12-16 1983-06-23 Ricoh Co Ltd 光学的記録再生方法
JPS58112790A (ja) * 1981-12-28 1983-07-05 Ricoh Co Ltd 光情報記録部材
JPS58114989A (ja) * 1982-12-06 1983-07-08 Ricoh Co Ltd 光情報記録部材
JPS58219091A (ja) * 1982-06-14 1983-12-20 Canon Inc 光学記録媒体
JPS5981194A (ja) * 1982-11-01 1984-05-10 Tdk Corp 光記録媒体
JPS5978341A (ja) * 1982-10-28 1984-05-07 Ricoh Co Ltd 光学的情報記録媒体
JPS59152528A (ja) * 1983-02-18 1984-08-31 Fujitsu Ltd 光学式記録装置
JPS60204396A (ja) * 1984-03-29 1985-10-15 Tdk Corp 光記録媒体

Also Published As

Publication number Publication date
JPS61205187A (ja) 1986-09-11

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees