JPS58114989A - 光情報記録部材 - Google Patents

光情報記録部材

Info

Publication number
JPS58114989A
JPS58114989A JP57212663A JP21266382A JPS58114989A JP S58114989 A JPS58114989 A JP S58114989A JP 57212663 A JP57212663 A JP 57212663A JP 21266382 A JP21266382 A JP 21266382A JP S58114989 A JPS58114989 A JP S58114989A
Authority
JP
Japan
Prior art keywords
pigment
thin film
film layer
cyanine
given
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
JP57212663A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0574159B2 (enrdf_load_stackoverflow
Inventor
Makoto Kunikane
国兼　真
Michiharu Abe
通治 安倍
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 JP57212663A priority Critical patent/JPS58114989A/ja
Priority to US06/452,238 priority patent/US4460665A/en
Publication of JPS58114989A publication Critical patent/JPS58114989A/ja
Publication of JPH0574159B2 publication Critical patent/JPH0574159B2/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material

Landscapes

  • Read Only Memory (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
JP57212663A 1981-12-28 1982-12-06 光情報記録部材 Granted JPS58114989A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57212663A JPS58114989A (ja) 1982-12-06 1982-12-06 光情報記録部材
US06/452,238 US4460665A (en) 1981-12-28 1982-12-22 Optical information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57212663A JPS58114989A (ja) 1982-12-06 1982-12-06 光情報記録部材

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56209929A Division JPS58112790A (ja) 1981-12-28 1981-12-28 光情報記録部材

Publications (2)

Publication Number Publication Date
JPS58114989A true JPS58114989A (ja) 1983-07-08
JPH0574159B2 JPH0574159B2 (enrdf_load_stackoverflow) 1993-10-15

Family

ID=16626338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57212663A Granted JPS58114989A (ja) 1981-12-28 1982-12-06 光情報記録部材

Country Status (1)

Country Link
JP (1) JPS58114989A (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050641A (ja) * 1983-08-30 1985-03-20 Tdk Corp 光記録媒体
JPS6054892A (ja) * 1983-09-05 1985-03-29 Tdk Corp 光記録媒体
JPS6061752A (ja) * 1983-09-16 1985-04-09 Fuji Photo Film Co Ltd 感光性平版印刷版
JPS60103532A (ja) * 1983-11-09 1985-06-07 Pioneer Electronic Corp 情報記録担体
JPS60226036A (ja) * 1984-04-24 1985-11-11 Mitsui Toatsu Chem Inc 光記録媒体
JPS60230891A (ja) * 1984-05-01 1985-11-16 Ricoh Co Ltd 光学的情報記録媒体
JPS6147295A (ja) * 1984-08-13 1986-03-07 Ricoh Co Ltd 光情報記録媒体
JPS61205187A (ja) * 1985-03-08 1986-09-11 Matsushita Electric Ind Co Ltd 光学記録媒体
JPS61237239A (ja) * 1985-04-13 1986-10-22 Tdk Corp 光デイスクおよび光記録方法
US6737143B2 (en) 2001-06-14 2004-05-18 Ricoh Company Ltd. Optical recording medium, optical recording method and optical recording device
US6936323B2 (en) 2003-04-30 2005-08-30 Ricoh Company, Ltd. Optical recording medium, and method and device using the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183529A (enrdf_load_stackoverflow) * 1975-01-20 1976-07-22 Canon Kk
JPS5489605A (en) * 1977-09-29 1979-07-16 Philips Nv Information memory element
JPS5586787A (en) * 1978-12-22 1980-06-30 Nec Corp Laser recording film
JPS5587595A (en) * 1978-12-27 1980-07-02 Nec Corp Laser recording film
JPS5616948A (en) * 1979-07-23 1981-02-18 Nippon Telegr & Teleph Corp <Ntt> Optical memory medium
JPS5774845A (en) * 1980-10-27 1982-05-11 Nippon Columbia Co Ltd Optical recording disk

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5183529A (enrdf_load_stackoverflow) * 1975-01-20 1976-07-22 Canon Kk
JPS5489605A (en) * 1977-09-29 1979-07-16 Philips Nv Information memory element
JPS5586787A (en) * 1978-12-22 1980-06-30 Nec Corp Laser recording film
JPS5587595A (en) * 1978-12-27 1980-07-02 Nec Corp Laser recording film
JPS5616948A (en) * 1979-07-23 1981-02-18 Nippon Telegr & Teleph Corp <Ntt> Optical memory medium
JPS5774845A (en) * 1980-10-27 1982-05-11 Nippon Columbia Co Ltd Optical recording disk

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050641A (ja) * 1983-08-30 1985-03-20 Tdk Corp 光記録媒体
JPS6054892A (ja) * 1983-09-05 1985-03-29 Tdk Corp 光記録媒体
JPS6061752A (ja) * 1983-09-16 1985-04-09 Fuji Photo Film Co Ltd 感光性平版印刷版
JPS60103532A (ja) * 1983-11-09 1985-06-07 Pioneer Electronic Corp 情報記録担体
JPS60226036A (ja) * 1984-04-24 1985-11-11 Mitsui Toatsu Chem Inc 光記録媒体
JPS60230891A (ja) * 1984-05-01 1985-11-16 Ricoh Co Ltd 光学的情報記録媒体
JPS6147295A (ja) * 1984-08-13 1986-03-07 Ricoh Co Ltd 光情報記録媒体
JPS61205187A (ja) * 1985-03-08 1986-09-11 Matsushita Electric Ind Co Ltd 光学記録媒体
JPS61237239A (ja) * 1985-04-13 1986-10-22 Tdk Corp 光デイスクおよび光記録方法
US6737143B2 (en) 2001-06-14 2004-05-18 Ricoh Company Ltd. Optical recording medium, optical recording method and optical recording device
US6936323B2 (en) 2003-04-30 2005-08-30 Ricoh Company, Ltd. Optical recording medium, and method and device using the same

Also Published As

Publication number Publication date
JPH0574159B2 (enrdf_load_stackoverflow) 1993-10-15

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