JPH0530390B2 - - Google Patents

Info

Publication number
JPH0530390B2
JPH0530390B2 JP61122686A JP12268686A JPH0530390B2 JP H0530390 B2 JPH0530390 B2 JP H0530390B2 JP 61122686 A JP61122686 A JP 61122686A JP 12268686 A JP12268686 A JP 12268686A JP H0530390 B2 JPH0530390 B2 JP H0530390B2
Authority
JP
Japan
Prior art keywords
recording
layer
recording medium
optical recording
tellurium
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
JP61122686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62278094A (ja
Inventor
Masaki Ito
Akio Morimoto
Katsuji Nakagawa
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 JP61122686A priority Critical patent/JPS62278094A/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 JPS62278094A publication Critical patent/JPS62278094A/ja
Publication of JPH0530390B2 publication Critical patent/JPH0530390B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24316Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • G11B2007/24318Non-metallic elements
    • G11B2007/24322Nitrogen
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25715Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing oxygen
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00451Recording involving ablation of the recording layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP61122686A 1986-04-30 1986-05-27 光記録媒体 Granted JPS62278094A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61122686A JPS62278094A (ja) 1986-05-27 1986-05-27 光記録媒体
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
JP61122686A JPS62278094A (ja) 1986-05-27 1986-05-27 光記録媒体

Publications (2)

Publication Number Publication Date
JPS62278094A JPS62278094A (ja) 1987-12-02
JPH0530390B2 true JPH0530390B2 (enrdf_load_stackoverflow) 1993-05-07

Family

ID=14842112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61122686A Granted JPS62278094A (ja) 1986-04-30 1986-05-27 光記録媒体

Country Status (1)

Country Link
JP (1) JPS62278094A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018947A1 (ja) * 2003-08-21 2005-03-03 Mitsubishi Kagaku Media Co., Ltd. 記録媒体

Also Published As

Publication number Publication date
JPS62278094A (ja) 1987-12-02

Similar Documents

Publication Publication Date Title
JPS6363153A (ja) 光記録媒体の製造方法
JPH0530390B2 (enrdf_load_stackoverflow)
JPS63151486A (ja) 光記録媒体とその製造方法
JP2689429B2 (ja) 光記録媒体
JP2508056B2 (ja) 光記録媒体製造方法
JPS6313786A (ja) 光記録媒体
JPH0533675B2 (enrdf_load_stackoverflow)
JPH0530391B2 (enrdf_load_stackoverflow)
JPH0528675B2 (enrdf_load_stackoverflow)
JPH0553018B2 (enrdf_load_stackoverflow)
JP2560711B2 (ja) 光記録媒体
JP2581086B2 (ja) 光記録媒体
JPH051747B2 (enrdf_load_stackoverflow)
JP2581087B2 (ja) 光記録媒体
JPH0581976B2 (enrdf_load_stackoverflow)
JPH0481953B2 (enrdf_load_stackoverflow)
JPS6363152A (ja) 光記録媒体の製造方法
JPS6331039A (ja) 光記録媒体
JP2508055B2 (ja) 光記録媒体製造方法
JPS6314336A (ja) 光記録媒体
JP2508053B2 (ja) 光記録媒体製造方法
JP2508188B2 (ja) 光記録媒体製造方法
JPS62297182A (ja) 光記録媒体
JPH0481958B2 (enrdf_load_stackoverflow)
JPH0481954B2 (enrdf_load_stackoverflow)