JPS5782093A - Optical information recording medium - Google Patents

Optical information recording medium

Info

Publication number
JPS5782093A
JPS5782093A JP55158131A JP15813180A JPS5782093A JP S5782093 A JPS5782093 A JP S5782093A JP 55158131 A JP55158131 A JP 55158131A JP 15813180 A JP15813180 A JP 15813180A JP S5782093 A JPS5782093 A JP S5782093A
Authority
JP
Japan
Prior art keywords
recording medium
information recording
thin film
phthalocyanine compound
reproducing
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
JP55158131A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0155118B2 (enrdf_load_stackoverflow
Inventor
Kiyoshi Tanigawa
Michiharu Abe
Hideo Inuzuka
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 JP55158131A priority Critical patent/JPS5782093A/ja
Publication of JPS5782093A publication Critical patent/JPS5782093A/ja
Publication of JPH0155118B2 publication Critical patent/JPH0155118B2/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
    • 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
    • G11B7/248—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 porphines; azaporphines, e.g. phthalocyanines

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP55158131A 1980-11-12 1980-11-12 Optical information recording medium Granted JPS5782093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55158131A JPS5782093A (en) 1980-11-12 1980-11-12 Optical information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55158131A JPS5782093A (en) 1980-11-12 1980-11-12 Optical information recording medium

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1078112A Division JPH02204090A (ja) 1989-03-31 1989-03-31 光学的情報記録再生方法

Publications (2)

Publication Number Publication Date
JPS5782093A true JPS5782093A (en) 1982-05-22
JPH0155118B2 JPH0155118B2 (enrdf_load_stackoverflow) 1989-11-22

Family

ID=15664952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55158131A Granted JPS5782093A (en) 1980-11-12 1980-11-12 Optical information recording medium

Country Status (1)

Country Link
JP (1) JPS5782093A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769307A (en) * 1985-08-13 1988-09-06 Mitsubishi Chemical Industries Limited Optical recording member
US5032495A (en) * 1988-09-02 1991-07-16 Basf Aktiengesellschaft Tetraazaporphyrins and optical recording medium
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 (2)

* 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
JPS5686795A (en) * 1979-11-29 1981-07-14 Rca Corp Melting removing type optical recording medium

Patent Citations (2)

* 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
JPS5686795A (en) * 1979-11-29 1981-07-14 Rca Corp Melting removing type optical recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4769307A (en) * 1985-08-13 1988-09-06 Mitsubishi Chemical Industries Limited Optical recording member
US5032495A (en) * 1988-09-02 1991-07-16 Basf Aktiengesellschaft Tetraazaporphyrins and optical recording medium
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
JPH0155118B2 (enrdf_load_stackoverflow) 1989-11-22

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