DE60228655D1 - Optisches Informationsaufzeichnungsmedium - Google Patents

Optisches Informationsaufzeichnungsmedium

Info

Publication number
DE60228655D1
DE60228655D1 DE60228655T DE60228655T DE60228655D1 DE 60228655 D1 DE60228655 D1 DE 60228655D1 DE 60228655 T DE60228655 T DE 60228655T DE 60228655 T DE60228655 T DE 60228655T DE 60228655 D1 DE60228655 D1 DE 60228655D1
Authority
DE
Germany
Prior art keywords
recording medium
information recording
optical information
optical
medium
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
DE60228655T
Other languages
English (en)
Inventor
Katsuyuki Yamada
Shinya Narumi
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
Priority claimed from JP2001193779A external-priority patent/JP2003006925A/ja
Priority claimed from JP2001193780A external-priority patent/JP2003006928A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE60228655D1 publication Critical patent/DE60228655D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24062—Reflective 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
    • G11B7/252—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
    • 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
    • G11B7/2585—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 aluminium
DE60228655T 2001-06-26 2002-06-25 Optisches Informationsaufzeichnungsmedium Expired - Lifetime DE60228655D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001193779A JP2003006925A (ja) 2001-06-26 2001-06-26 光記録媒体
JP2001193780A JP2003006928A (ja) 2001-06-26 2001-06-26 光記録媒体

Publications (1)

Publication Number Publication Date
DE60228655D1 true DE60228655D1 (de) 2008-10-16

Family

ID=26617609

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228655T Expired - Lifetime DE60228655D1 (de) 2001-06-26 2002-06-25 Optisches Informationsaufzeichnungsmedium

Country Status (5)

Country Link
US (2) US7027382B2 (de)
EP (1) EP1280142B1 (de)
CN (1) CN1244926C (de)
DE (1) DE60228655D1 (de)
TW (1) TWI239521B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6852384B2 (en) * 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6905750B2 (en) * 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6790503B2 (en) * 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7384677B2 (en) * 1998-06-22 2008-06-10 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US7314657B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) * 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
JP2001067723A (ja) * 1999-08-25 2001-03-16 Toshiba Corp 光記録媒体、光記録再生方法及び光記録再生装置
US7314659B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US7374805B2 (en) 2000-07-21 2008-05-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7316837B2 (en) * 2000-07-21 2008-01-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US20040101781A1 (en) * 2000-09-04 2004-05-27 Nobuhiro Oda Reflecting layer, optical recording medium and sputtering target for forming reflecting layer
DE60125675T2 (de) * 2000-09-28 2007-10-11 Ricoh Company, Ltd. Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren und Vorrichtung zum Aufzeichnen auf oder Lesen von diesem Medium
CN1290106C (zh) 2002-03-07 2006-12-13 株式会社理光 光记录媒体及其制造方法
JP3771859B2 (ja) 2002-03-27 2006-04-26 株式会社リコー 光情報記録方法及び光情報記録装置
WO2004021343A1 (ja) * 2002-08-30 2004-03-11 Sony Corporation 光ディスク
US7063875B2 (en) * 2002-09-13 2006-06-20 Ricoh Company, Ltd. Optical recording medium
JP2004206739A (ja) * 2002-11-06 2004-07-22 Ricoh Co Ltd 情報記録方法及び情報記録装置
US7351516B2 (en) * 2002-11-06 2008-04-01 Ricoh Company, Ltd. Optical information recording medium
EP1439532A3 (de) * 2003-01-17 2005-02-09 Ricoh Company Verfahren zur Initialisierung eines optischen Aufzeichnungsmediums vom Phasenwechsel-Typ
JP2006523913A (ja) * 2003-04-18 2006-10-19 ターゲット・テクノロジー・カンパニー・エルエルシー 光蓄積媒体の反射層または半反射層のための合金
EP1515315B1 (de) * 2003-08-26 2007-07-25 Ricoh Company, Ltd. Informationsaufzeichnungsverfahren, Informationsaufzeichnungsvorrichtung, optisches Informationsaufzeichnungsmedium, Programm zur Aufzeichnung von Informationen und Speichermedium
JP2005190642A (ja) * 2003-12-03 2005-07-14 Ricoh Co Ltd 光記録媒体
CN100383871C (zh) * 2004-05-17 2008-04-23 株式会社理光 光记录媒体及其制造方法
JP4382646B2 (ja) * 2004-05-17 2009-12-16 株式会社リコー 光記録媒体とその製造方法
US20060210760A1 (en) * 2005-03-17 2006-09-21 Shinya Narumi Phase change type optical information recording medium
JP4575211B2 (ja) * 2005-03-31 2010-11-04 株式会社東芝 記憶媒体、再生方法及び記録方法
CN101019178B (zh) * 2005-06-06 2011-11-09 株式会社理光 相变型光记录介质与用于此类记录介质的再现方法与装置
US20070014963A1 (en) * 2005-07-12 2007-01-18 Nee Han H Metal alloys for the reflective layer of an optical storage medium
EP2344330A4 (de) * 2008-10-28 2016-07-13 Madico Inc Sonnengesteuerte fensterfilme mit infrarot-reflexionsschichten

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8102283A (nl) 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
JPS6290291A (ja) * 1985-05-31 1987-04-24 Mitsui Toatsu Chem Inc 光記録媒体
US4719613A (en) * 1985-08-27 1988-01-12 Mitsui Toatsu Chemicals, Inc. Optical recording medium having a reflective recording layer including a resinous binder and a naphthalocyanine dye
JP2749080B2 (ja) 1988-11-09 1998-05-13 株式会社日立製作所 情報記録用部材
JPH03216829A (ja) 1990-01-22 1991-09-24 Kobe Steel Ltd 光ディスク
JPH05313210A (ja) 1992-05-14 1993-11-26 Ricoh Co Ltd 薄膜積層デバイス
US5948497A (en) 1992-10-19 1999-09-07 Eastman Kodak Company High stability silver based alloy reflectors for use in a writable compact disk
JP3558301B2 (ja) 1993-04-22 2004-08-25 三菱マテリアル株式会社 高耐食性Ａｇ−Ｍｇ合金の薄膜
JP3287648B2 (ja) 1993-06-07 2002-06-04 株式会社リコー 相変化型情報記録媒体の記録同時ベリファイ方法及び相変化型情報記録ドライブ装置
JPH07105575A (ja) 1993-10-07 1995-04-21 Mitsubishi Chem Corp 光記録媒体
US5785828A (en) 1994-12-13 1998-07-28 Ricoh Company, Ltd. Sputtering target for producing optical recording medium
US6319368B1 (en) 1995-03-31 2001-11-20 Ricoh Company, Ltd. Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording medium
US5736657A (en) 1995-03-31 1998-04-07 Ricoh Company, Ltd. Sputtering target
KR100402169B1 (ko) * 1995-04-27 2004-03-10 닛폰콜롬비아 가부시키가이샤 다층구조광정보매체
JPH0963118A (ja) 1995-08-23 1997-03-07 Mitsui Toatsu Chem Inc 光記録媒体
JP3429406B2 (ja) 1995-11-30 2003-07-22 ティーディーケイ株式会社 光記録媒体およびその製造方法
JPH1011799A (ja) 1996-06-19 1998-01-16 Mitsui Petrochem Ind Ltd 光記録媒体
US5889756A (en) * 1996-07-25 1999-03-30 Kabushiki Kaisha Toshiba Phase change optical recording medium
SG72852A1 (en) 1997-08-15 2000-05-23 Ricoh Kk Optical recording medium and recording and reproducing method using the same
EP0917137B1 (de) * 1997-11-17 2006-06-28 Mitsubishi Kagaku Media Co., Ltd. Optisches Aufzeichnungsmedium
JP3302919B2 (ja) 1997-11-27 2002-07-15 株式会社リコー 光記録媒体の初期化方法及び初期化装置
GB2336463B (en) 1998-04-16 2000-07-05 Ricoh Kk Optical recording method for a rewritable phase-change optical recording medium
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
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6544616B2 (en) 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
CN1180942C (zh) 1998-07-31 2004-12-22 日立马库塞鲁株式会社 信息记录方法
US20030124458A1 (en) 1998-07-31 2003-07-03 Hitachi Maxell, Ltd. Information recording medium and information recording method
JP2000137928A (ja) 1998-10-30 2000-05-16 Ricoh Co Ltd 光記録媒体および光記録方法
JP2000195112A (ja) 1998-12-24 2000-07-14 Ricoh Co Ltd 相変化型情報記録媒体の初期化方法
JP4260972B2 (ja) 1999-03-30 2009-04-30 ソニー株式会社 光学記録媒体
JP2001067723A (ja) * 1999-08-25 2001-03-16 Toshiba Corp 光記録媒体、光記録再生方法及び光記録再生装置
US6632583B2 (en) * 1999-12-07 2003-10-14 Mitsubishi Chemical Corporation Optical recording medium and production method of the same
JP3839213B2 (ja) 2000-02-08 2006-11-01 株式会社リコー 相変化型光記録媒体の記録方法および記録再生装置
JP3989665B2 (ja) 2000-03-03 2007-10-10 株式会社リコー 光情報記録媒体
US6886177B2 (en) 2000-08-14 2005-04-26 Ricoh Company, Ltd. Phase-change type optical information recording medium
DE60125675T2 (de) 2000-09-28 2007-10-11 Ricoh Company, Ltd. Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren und Vorrichtung zum Aufzeichnen auf oder Lesen von diesem Medium
JP2002237096A (ja) 2001-02-09 2002-08-23 Ricoh Co Ltd 光記録媒体
JP2005302261A (ja) * 2004-03-19 2005-10-27 Ricoh Co Ltd 光記録媒体
JP4382646B2 (ja) * 2004-05-17 2009-12-16 株式会社リコー 光記録媒体とその製造方法
US20060188684A1 (en) * 2005-02-22 2006-08-24 Katsuyuki Yamada Optical recording medium, optical recording method and apparatus

Also Published As

Publication number Publication date
US7027382B2 (en) 2006-04-11
US20060133258A1 (en) 2006-06-22
US7352680B2 (en) 2008-04-01
CN1244926C (zh) 2006-03-08
US20030008236A1 (en) 2003-01-09
TWI239521B (en) 2005-09-11
EP1280142A1 (de) 2003-01-29
CN1396591A (zh) 2003-02-12
EP1280142B1 (de) 2008-09-03

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Legal Events

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8364 No opposition during term of opposition