JPH051746B2 - - Google Patents

Info

Publication number
JPH051746B2
JPH051746B2 JP61101368A JP10136886A JPH051746B2 JP H051746 B2 JPH051746 B2 JP H051746B2 JP 61101368 A JP61101368 A JP 61101368A JP 10136886 A JP10136886 A JP 10136886A JP H051746 B2 JPH051746 B2 JP H051746B2
Authority
JP
Japan
Prior art keywords
recording
selenium
tellurium
nitrogen
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.)
Expired - Lifetime
Application number
JP61101368A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62256691A (ja
Inventor
Katsuji Nakagawa
Masaki Ito
Akio 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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61101368A priority Critical patent/JPS62256691A/ja
Priority to US07/043,626 priority patent/US4839208A/en
Priority to EP87106262A priority patent/EP0243958B1/en
Priority to DE8787106262T priority patent/DE3781926T2/de
Publication of JPS62256691A publication Critical patent/JPS62256691A/ja
Publication of JPH051746B2 publication Critical patent/JPH051746B2/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
    • G11B7/243—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 inorganic materials only, e.g. ablative 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24322—Nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP61101368A 1986-04-30 1986-04-30 光情報記録媒体およびその製造方法 Granted JPS62256691A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61101368A JPS62256691A (ja) 1986-04-30 1986-04-30 光情報記録媒体およびその製造方法
US07/043,626 US4839208A (en) 1986-04-30 1987-04-28 Optical information recording medium
EP87106262A EP0243958B1 (en) 1986-04-30 1987-04-29 Optical information recording medium
DE8787106262T DE3781926T2 (de) 1986-04-30 1987-04-29 Medium fuer optische informationsaufzeichnung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61101368A JPS62256691A (ja) 1986-04-30 1986-04-30 光情報記録媒体およびその製造方法

Publications (2)

Publication Number Publication Date
JPS62256691A JPS62256691A (ja) 1987-11-09
JPH051746B2 true JPH051746B2 (enrdf_load_html_response) 1993-01-08

Family

ID=14298879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61101368A Granted JPS62256691A (ja) 1986-04-30 1986-04-30 光情報記録媒体およびその製造方法

Country Status (1)

Country Link
JP (1) JPS62256691A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63171446A (ja) * 1987-01-09 1988-07-15 Mitsubishi Kasei Corp 光学的記録用媒体の製造方法
WO2005018947A1 (ja) * 2003-08-21 2005-03-03 Mitsubishi Kagaku Media Co., Ltd. 記録媒体
JP5098633B2 (ja) * 2007-12-27 2012-12-12 ソニー株式会社 ディスク原盤、ディスク原盤製造方法、スタンパ、ディスク基板、光ディスク、光ディスク製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6211685A (ja) * 1985-07-10 1987-01-20 Mitsubishi Chem Ind Ltd 光学的記録媒体

Also Published As

Publication number Publication date
JPS62256691A (ja) 1987-11-09

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