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WO2009014065A1 - 光情報媒体 - Google Patents

光情報媒体 Download PDF

Info

Publication number
WO2009014065A1
WO2009014065A1 PCT/JP2008/062933 JP2008062933W WO2009014065A1 WO 2009014065 A1 WO2009014065 A1 WO 2009014065A1 JP 2008062933 W JP2008062933 W JP 2008062933W WO 2009014065 A1 WO2009014065 A1 WO 2009014065A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical information
recording
information medium
sub
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.)
Ceased
Application number
PCT/JP2008/062933
Other languages
English (en)
French (fr)
Inventor
Masaki Aoshima
Hiroyasu Inoue
Syuji Tsukamoto
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of WO2009014065A1 publication Critical patent/WO2009014065A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • 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
    • G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
    • 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
    • G11B7/252—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
    • G11B7/257—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 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
    • G11B7/2578—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 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

　レーザービームの出力特性が不安定な状況下においてもデータの記録を確実に行い得る光情報媒体を提供する。 　Ｓｉを主成分とする第１の材料で形成された第１副記録膜４ａと、Ｃｕを主成分としてＩｎを添加した第２の材料で第１副記録膜４ａの近傍に形成された第２副記録膜４ｂとを有して構成された記録層４が基材２の上に形成されて、記録層４にレーザービームＬを照射することによってデータの記録（記録部Ｍの形成）および再生が可能に構成されている。
PCT/JP2008/062933 2007-07-25 2008-07-17 光情報媒体 Ceased WO2009014065A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007192763A JP2009032307A (ja) 2007-07-25 2007-07-25 光情報媒体
JP2007-192763 2007-07-25

Publications (1)

Publication Number Publication Date
WO2009014065A1 true WO2009014065A1 (ja) 2009-01-29

Family

ID=40281321

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062933 Ceased WO2009014065A1 (ja) 2007-07-25 2008-07-17 光情報媒体

Country Status (4)

Country Link
US (1) US20090029090A1 (ja)
JP (1) JP2009032307A (ja)
TW (1) TW200919466A (ja)
WO (1) WO2009014065A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002172861A (ja) * 2000-12-06 2002-06-18 Ricoh Co Ltd 光情報記録媒体
WO2003025924A1 (en) * 2001-09-13 2003-03-27 Tdk Corporation Optical recording medium
JP2003200663A (ja) * 2001-12-28 2003-07-15 Tdk Corp 追記型光記録媒体及び光記録方法
JP2003203383A (ja) * 2001-12-28 2003-07-18 Tdk Corp 追記型光記録媒体及び光記録方法
JP2003257078A (ja) * 2002-03-05 2003-09-12 Ricoh Co Ltd 光記録媒体
JP2003276333A (ja) * 2002-03-22 2003-09-30 Ricoh Co Ltd 光記録媒体
JP2004047046A (ja) * 2002-05-21 2004-02-12 Ricoh Co Ltd 光記録媒体

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6033752A (en) * 1997-05-22 2000-03-07 Kao Corporation Optical recording medium and method for recording optical information
TW527585B (en) * 2000-02-21 2003-04-11 Ind Tech Res Inst Compact disk device, access method of compact disk, and the compact disk
US20040038080A1 (en) * 2002-07-01 2004-02-26 Tdk Corporation Optical recording medium and method for recording data in the same
JP4092147B2 (ja) * 2002-07-04 2008-05-28 Ｔｄｋ株式会社 光記録媒体及び光記録方法
JP4084674B2 (ja) * 2003-01-28 2008-04-30 Ｔｄｋ株式会社 光記録媒体
US20040202097A1 (en) * 2003-04-08 2004-10-14 Tdk Corporation Optical recording disk
JP2005044397A (ja) * 2003-07-23 2005-02-17 Tdk Corp 光情報記録媒体
JP2005071404A (ja) * 2003-08-25 2005-03-17 Tdk Corp 光情報記録媒体
JP2005071408A (ja) * 2003-08-25 2005-03-17 Tdk Corp 光情報記録媒体
JP2005071403A (ja) * 2003-08-25 2005-03-17 Tdk Corp 光情報記録媒体
JP4466544B2 (ja) * 2005-11-28 2010-05-26 Ｔｄｋ株式会社 光情報媒体の検査方法および光情報媒体検査装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002172861A (ja) * 2000-12-06 2002-06-18 Ricoh Co Ltd 光情報記録媒体
WO2003025924A1 (en) * 2001-09-13 2003-03-27 Tdk Corporation Optical recording medium
JP2003200663A (ja) * 2001-12-28 2003-07-15 Tdk Corp 追記型光記録媒体及び光記録方法
JP2003203383A (ja) * 2001-12-28 2003-07-18 Tdk Corp 追記型光記録媒体及び光記録方法
JP2003257078A (ja) * 2002-03-05 2003-09-12 Ricoh Co Ltd 光記録媒体
JP2003276333A (ja) * 2002-03-22 2003-09-30 Ricoh Co Ltd 光記録媒体
JP2004047046A (ja) * 2002-05-21 2004-02-12 Ricoh Co Ltd 光記録媒体

Also Published As

Publication number Publication date
US20090029090A1 (en) 2009-01-29
TW200919466A (en) 2009-05-01
JP2009032307A (ja) 2009-02-12

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