JPH0545434B2 - - Google Patents

Info

Publication number
JPH0545434B2
JPH0545434B2 JP59113301A JP11330184A JPH0545434B2 JP H0545434 B2 JPH0545434 B2 JP H0545434B2 JP 59113301 A JP59113301 A JP 59113301A JP 11330184 A JP11330184 A JP 11330184A JP H0545434 B2 JPH0545434 B2 JP H0545434B2
Authority
JP
Japan
Prior art keywords
recording
germanium oxide
layer
reflectance
oxide 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
JP59113301A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60257291A (ja
Inventor
Noboru Yamada
Kenichi Nishiuchi
Yoshito Ninomya
Masatoshi Takao
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59113301A priority Critical patent/JPS60257291A/ja
Publication of JPS60257291A publication Critical patent/JPS60257291A/ja
Publication of JPH0545434B2 publication Critical patent/JPH0545434B2/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
    • G11B7/252—Record 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
    • 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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B2007/2432—Oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59113301A 1984-06-01 1984-06-01 光学情報記録部材 Granted JPS60257291A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59113301A JPS60257291A (ja) 1984-06-01 1984-06-01 光学情報記録部材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59113301A JPS60257291A (ja) 1984-06-01 1984-06-01 光学情報記録部材

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2276973A Division JPH03141054A (ja) 1990-10-15 1990-10-15 光学情報記録部材の製法

Publications (2)

Publication Number Publication Date
JPS60257291A JPS60257291A (ja) 1985-12-19
JPH0545434B2 true JPH0545434B2 (forum.php) 1993-07-09

Family

ID=14608744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59113301A Granted JPS60257291A (ja) 1984-06-01 1984-06-01 光学情報記録部材

Country Status (1)

Country Link
JP (1) JPS60257291A (forum.php)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787077A (en) * 1985-08-15 1988-11-22 International Business Machines Corporation Process for optically storing information using materials having a single phase in both the crystalline state and the amorphous state
JPH0777040B2 (ja) * 1986-03-28 1995-08-16 株式会社東芝 光記録媒体
JPS63251290A (ja) * 1987-04-08 1988-10-18 Hitachi Ltd 光記録媒体と記録・再生方法及びその応用
JP2525184B2 (ja) * 1987-05-29 1996-08-14 日本コロムビア株式会社 光情報記録媒体
US5273861A (en) * 1987-12-04 1993-12-28 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method of making an optical information recording medium and method of recording/reproducing optical information
JPH0264936A (ja) * 1988-08-30 1990-03-05 Hitachi Ltd 光学的情報記録媒体
US5268254A (en) * 1989-02-28 1993-12-07 Fuji Xerox Co., Ltd. Optical recording medium
JPH03141054A (ja) * 1990-10-15 1991-06-17 Matsushita Electric Ind Co Ltd 光学情報記録部材の製法
US7427431B2 (en) * 2004-04-28 2008-09-23 Sony Corporation Write once optical recording medium
JP2008183735A (ja) * 2007-01-26 2008-08-14 Sony Corp 追記型光記録媒体およびその製造方法

Also Published As

Publication number Publication date
JPS60257291A (ja) 1985-12-19

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