JPS59218634A - 光情報記録媒体の書き込み読み出し方法 - Google Patents

光情報記録媒体の書き込み読み出し方法

Info

Publication number
JPS59218634A
JPS59218634A JP58092473A JP9247383A JPS59218634A JP S59218634 A JPS59218634 A JP S59218634A JP 58092473 A JP58092473 A JP 58092473A JP 9247383 A JP9247383 A JP 9247383A JP S59218634 A JPS59218634 A JP S59218634A
Authority
JP
Japan
Prior art keywords
light
dye
wavelength
reading
recording layer
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.)
Granted
Application number
JP58092473A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0519205B2 (enrdf_load_stackoverflow
Inventor
Masaaki Umehara
正彬 梅原
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP58092473A priority Critical patent/JPS59218634A/ja
Publication of JPS59218634A publication Critical patent/JPS59218634A/ja
Publication of JPH0519205B2 publication Critical patent/JPH0519205B2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/247—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 methine or polymethine dyes
    • G11B7/2472—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 methine or polymethine dyes cyanine
    • 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
    • G11B7/247—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 methine or polymethine dyes
    • G11B7/2475—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 methine or polymethine dyes merocyanine

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP58092473A 1983-05-27 1983-05-27 光情報記録媒体の書き込み読み出し方法 Granted JPS59218634A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58092473A JPS59218634A (ja) 1983-05-27 1983-05-27 光情報記録媒体の書き込み読み出し方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58092473A JPS59218634A (ja) 1983-05-27 1983-05-27 光情報記録媒体の書き込み読み出し方法

Publications (2)

Publication Number Publication Date
JPS59218634A true JPS59218634A (ja) 1984-12-08
JPH0519205B2 JPH0519205B2 (enrdf_load_stackoverflow) 1993-03-16

Family

ID=14055284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58092473A Granted JPS59218634A (ja) 1983-05-27 1983-05-27 光情報記録媒体の書き込み読み出し方法

Country Status (1)

Country Link
JP (1) JPS59218634A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440388A (en) * 1987-08-05 1989-02-10 Taiyo Yuden Kk Optical data recording medium for compact disc
JPH0312834A (ja) * 1989-06-12 1991-01-21 Fuji Photo Film Co Ltd 情報記録媒体
JPH0589464A (ja) * 1991-04-08 1993-04-09 Fuji Photo Film Co Ltd 光情報記録方法
US5486437A (en) * 1993-04-08 1996-01-23 Sony Corporation Optical recording method
US5750293A (en) * 1991-10-28 1998-05-12 Ricoh Company, Ltd. Method of recording and reproducing information

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS57103139A (en) * 1980-10-31 1982-06-26 Discovision Ass Recording medium and making thereof
JPS57212639A (en) * 1981-06-23 1982-12-27 Ricoh Co Ltd Information recording medium
JPS5836490A (ja) * 1981-07-24 1983-03-03 Ricoh Co Ltd 光学的情報記録媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS57103139A (en) * 1980-10-31 1982-06-26 Discovision Ass Recording medium and making thereof
JPS57212639A (en) * 1981-06-23 1982-12-27 Ricoh Co Ltd Information recording medium
JPS5836490A (ja) * 1981-07-24 1983-03-03 Ricoh Co Ltd 光学的情報記録媒体

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440388A (en) * 1987-08-05 1989-02-10 Taiyo Yuden Kk Optical data recording medium for compact disc
JPH0312834A (ja) * 1989-06-12 1991-01-21 Fuji Photo Film Co Ltd 情報記録媒体
JPH0589464A (ja) * 1991-04-08 1993-04-09 Fuji Photo Film Co Ltd 光情報記録方法
US5750293A (en) * 1991-10-28 1998-05-12 Ricoh Company, Ltd. Method of recording and reproducing information
US5486437A (en) * 1993-04-08 1996-01-23 Sony Corporation Optical recording method

Also Published As

Publication number Publication date
JPH0519205B2 (enrdf_load_stackoverflow) 1993-03-16

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