JPS60131650A - 光メモリデイスクおよびその製造方法 - Google Patents

光メモリデイスクおよびその製造方法

Info

Publication number
JPS60131650A
JPS60131650A JP58240106A JP24010683A JPS60131650A JP S60131650 A JPS60131650 A JP S60131650A JP 58240106 A JP58240106 A JP 58240106A JP 24010683 A JP24010683 A JP 24010683A JP S60131650 A JPS60131650 A JP S60131650A
Authority
JP
Japan
Prior art keywords
disk substrate
disk
optical memory
thin film
recording
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
JP58240106A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0465462B2 (enrdf_load_stackoverflow
Inventor
Koichi Kodera
宏一 小寺
Takeo Oota
太田　威夫
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 JP58240106A priority Critical patent/JPS60131650A/ja
Publication of JPS60131650A publication Critical patent/JPS60131650A/ja
Publication of JPH0465462B2 publication Critical patent/JPH0465462B2/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
    • G11B2007/2432—Oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP58240106A 1983-12-20 1983-12-20 光メモリデイスクおよびその製造方法 Granted JPS60131650A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58240106A JPS60131650A (ja) 1983-12-20 1983-12-20 光メモリデイスクおよびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58240106A JPS60131650A (ja) 1983-12-20 1983-12-20 光メモリデイスクおよびその製造方法

Publications (2)

Publication Number Publication Date
JPS60131650A true JPS60131650A (ja) 1985-07-13
JPH0465462B2 JPH0465462B2 (enrdf_load_stackoverflow) 1992-10-20

Family

ID=17054575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58240106A Granted JPS60131650A (ja) 1983-12-20 1983-12-20 光メモリデイスクおよびその製造方法

Country Status (1)

Country Link
JP (1) JPS60131650A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6323235A (ja) * 1986-07-16 1988-01-30 Matsushita Electric Ind Co Ltd 光学式情報記録担体
JPH03120634A (ja) * 1989-10-04 1991-05-22 Dowa Mining Co Ltd 光ディスクおよびその製造法
WO2004005041A1 (ja) * 2002-07-09 2004-01-15 Sony Corporation 光記録媒体
WO2004032130A1 (ja) * 2002-10-01 2004-04-15 Matsushita Electric Industrial Co., Ltd. 光学的情報記録媒体とその製造方法
WO2004080724A1 (ja) * 2003-03-13 2004-09-23 Sony Corporation 光記録媒体
JP2006116948A (ja) * 2004-09-21 2006-05-11 Ricoh Co Ltd 追記型光記録媒体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046317A (enrdf_load_stackoverflow) * 1973-08-29 1975-04-25
JPS563442A (en) * 1979-06-20 1981-01-14 Toshiba Corp Optical memory disk and its manufacture
JPS57208299A (en) * 1981-06-19 1982-12-21 Fuji Photo Film Co Ltd Recording method of optical information
JPS5854338A (ja) * 1981-09-28 1983-03-31 Matsushita Electric Ind Co Ltd 光学記録媒体および記録方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046317A (enrdf_load_stackoverflow) * 1973-08-29 1975-04-25
JPS563442A (en) * 1979-06-20 1981-01-14 Toshiba Corp Optical memory disk and its manufacture
JPS57208299A (en) * 1981-06-19 1982-12-21 Fuji Photo Film Co Ltd Recording method of optical information
JPS5854338A (ja) * 1981-09-28 1983-03-31 Matsushita Electric Ind Co Ltd 光学記録媒体および記録方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6323235A (ja) * 1986-07-16 1988-01-30 Matsushita Electric Ind Co Ltd 光学式情報記録担体
JPH03120634A (ja) * 1989-10-04 1991-05-22 Dowa Mining Co Ltd 光ディスクおよびその製造法
WO2004005041A1 (ja) * 2002-07-09 2004-01-15 Sony Corporation 光記録媒体
US7390546B2 (en) 2002-07-09 2008-06-24 Sony Corporation Optical recording medium
WO2004032130A1 (ja) * 2002-10-01 2004-04-15 Matsushita Electric Industrial Co., Ltd. 光学的情報記録媒体とその製造方法
CN100373481C (zh) * 2002-10-01 2008-03-05 松下电器产业株式会社 光学信息记录介质及其制造方法
US7485355B2 (en) 2002-10-01 2009-02-03 Panasonic Corporation Optical information recording medium and method for manufacturing the same
WO2004080724A1 (ja) * 2003-03-13 2004-09-23 Sony Corporation 光記録媒体
US7464391B2 (en) 2003-03-13 2008-12-09 Sony Corporation Optical recording medium
JP2006116948A (ja) * 2004-09-21 2006-05-11 Ricoh Co Ltd 追記型光記録媒体

Also Published As

Publication number Publication date
JPH0465462B2 (enrdf_load_stackoverflow) 1992-10-20

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