DE602006019886D1 - Mehrschichtiges optisches aufzeichnungsmedium und optisches aufzeichnungsverfahren - Google Patents

Mehrschichtiges optisches aufzeichnungsmedium und optisches aufzeichnungsverfahren

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Publication number
DE602006019886D1
DE602006019886D1 DE602006019886T DE602006019886T DE602006019886D1 DE 602006019886 D1 DE602006019886 D1 DE 602006019886D1 DE 602006019886 T DE602006019886 T DE 602006019886T DE 602006019886 T DE602006019886 T DE 602006019886T DE 602006019886 D1 DE602006019886 D1 DE 602006019886D1
Authority
DE
Germany
Prior art keywords
optical recording
recording medium
multilayer
recording method
multilayer optical
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.)
Active
Application number
DE602006019886T
Other languages
English (en)
Inventor
Hiroyoshi Sekiguchi
Michiaki Shinotsuka
Masaru Shinkai
Eiko Hibino
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE602006019886D1 publication Critical patent/DE602006019886D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G11B7/258—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 reflective layers
    • G11B7/259—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 reflective layers based on silver
    • 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
    • G11B7/258—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 reflective layers
    • G11B7/2595—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 reflective layers based on gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
DE602006019886T 2005-09-05 2006-08-31 Mehrschichtiges optisches aufzeichnungsmedium und optisches aufzeichnungsverfahren Active DE602006019886D1 (de)

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JP2006054514 2006-03-01
JP2006131949 2006-05-10
PCT/JP2006/317707 WO2007029759A1 (en) 2005-09-05 2006-08-31 Multilayer optical recording medium and optical recording method

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JP5331420B2 (ja) 2008-09-11 2013-10-30 株式会社神戸製鋼所 読み出し専用の光情報記録媒体および該光情報記録媒体の半透過反射膜形成用スパッタリングターゲット
EP3002550B1 (de) 2014-10-03 2017-08-30 Ricoh Company, Ltd. Informationsverarbeitungssystem und informationsverarbeitungsverfahren zur abstandsmessung

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US6007889A (en) * 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
JP4194064B2 (ja) 2001-03-15 2008-12-10 株式会社リコー 相変化型光情報記録媒体
JP3639218B2 (ja) 2001-03-30 2005-04-20 株式会社東芝 相変化光記録媒体
DE60236655D1 (de) 2001-04-26 2010-07-22 Koninkl Philips Electronics Nv Verfahren und einrichtung zum aufzeichnen von markierungen in einer informationsschicht eines optischen aufzeichnungsträgers
JP3777111B2 (ja) 2001-07-12 2006-05-24 日立マクセル株式会社 情報記録媒体および製造方法
JP2003045085A (ja) 2001-07-31 2003-02-14 Ricoh Co Ltd 多層相変化型情報記録媒体
JP2003228881A (ja) 2002-02-04 2003-08-15 Hitachi Ltd 情報記録媒体
JP3509807B2 (ja) * 2002-03-13 2004-03-22 株式会社日立製作所 情報記録媒体、媒体製造方法、情報記録方法及び再生方法
US7260053B2 (en) * 2002-04-02 2007-08-21 Ricoh Company, Ltd. Optical recording medium, process for manufacturing the same, sputtering target for manufacturing the same, and optical recording process using the same
JP4071060B2 (ja) 2002-07-16 2008-04-02 株式会社リコー 多層相変化型情報記録媒体とそれを用いた情報の記録再生方法
JP2004047034A (ja) 2002-07-16 2004-02-12 Ricoh Co Ltd 多層相変化型情報記録媒体およびそれを用いた情報の記録再生方法
JP2004071079A (ja) 2002-08-08 2004-03-04 Hitachi Ltd 情報記録媒体
JP2004185744A (ja) 2002-12-04 2004-07-02 Ricoh Co Ltd 多層相変化型情報記録媒体およびその製造方法
JP4093913B2 (ja) 2003-05-22 2008-06-04 株式会社リコー 相変化型光記録媒体
JP4006410B2 (ja) 2003-09-22 2007-11-14 日立マクセル株式会社 情報記録媒体
JP2005122872A (ja) 2003-09-22 2005-05-12 Ricoh Co Ltd ２層相変化型情報記録媒体及びその記録再生方法
JP2005190647A (ja) 2003-12-03 2005-07-14 Ricoh Co Ltd 相変化型光記録媒体
JP2005190642A (ja) * 2003-12-03 2005-07-14 Ricoh Co Ltd 光記録媒体
TW200534235A (en) * 2004-03-10 2005-10-16 Matsushita Electric Ind Co Ltd Information recording medium and method for manufacturing the same

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US20090155514A1 (en) 2009-06-18
WO2007029759A1 (en) 2007-03-15
TWI330841B (en) 2010-09-21
EP1922728A1 (de) 2008-05-21
TW200746133A (en) 2007-12-16
US8449965B2 (en) 2013-05-28
EP1922728A4 (de) 2009-09-09
EP1922728B1 (de) 2011-01-26

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