JP2008269703A - 光情報記録媒体 - Google Patents
光情報記録媒体 Download PDFInfo
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- JP2008269703A JP2008269703A JP2007110869A JP2007110869A JP2008269703A JP 2008269703 A JP2008269703 A JP 2008269703A JP 2007110869 A JP2007110869 A JP 2007110869A JP 2007110869 A JP2007110869 A JP 2007110869A JP 2008269703 A JP2008269703 A JP 2008269703A
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- Prior art keywords
- layer
- optical information
- recording medium
- information recording
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- 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
- G11B7/2572—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 organic materials
- G11B7/2575—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 organic materials resins
-
- 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
- G11B7/244—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 organic materials only
- G11B7/246—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 organic materials only containing dyes
- G11B7/2467—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 organic materials only containing dyes azo-dyes
-
- 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
- G11B7/244—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 organic materials only
- G11B7/246—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 organic materials only containing dyes
- G11B7/247—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 organic materials only containing dyes methine or polymethine dyes
- G11B7/2472—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 organic materials only containing dyes methine or polymethine dyes cyanine
-
- 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
- G11B7/253—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 substrates
- G11B7/2531—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 substrates comprising glass
-
- 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
- G11B7/253—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 substrates
- G11B7/2532—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 substrates comprising metals
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
- G11B7/2534—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 substrates comprising resins polycarbonates [PC]
-
- 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
-
- 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
【解決手段】 中心部分に貫通孔を有しかつ光入射側となる一方の面側に案内溝3を有する基板2と、前記基板2の前記案内溝3が形成された面上に形成された反射層4と、前記反射層4上に形成されかつ色素を含む有機物質で構成された記録層5と、前記記録層5上に設けられた光透過性のカバー層6と、を有する光情報記録媒体1において、前記カバー層6は硬化性樹脂で形成され、前記記録層5と向き合う側の弾性率が25℃で34〜96MPaの範囲であることを特徴とする。
【選択図】 図2
Description
押込み塑性・弾性[%]=
(弾性塑性変形仕事)×100/(弾性塑性変形仕事+塑性変形仕事)
と定義される。
中心部分に貫通孔を有しかつトラックピッチ0.32μmの案内溝を有する外径120mm、厚さ1.1mmの円板状のポリカーボネート製の基板を、射出成形によって作成した。この基板の案内溝が形成された面にAg合金をスパッタリングして100nmの厚さの反射層を形成した。その後図8に示す色素をTFP溶剤に溶かした色素溶液をスピンコート法により塗布し、80℃で30分間乾燥して記録層を形成した。これを試験する試料の数だけ用意した。
中心部分に貫通孔を有しかつトラックピッチ0.32μmの案内溝を有する外径120mm、厚さ1.1mmの円板状のポリカーボネート製の基板を、射出成形によって作成した。この基板の案内溝が形成された面にAg合金をスパッタリングして100nmの厚さの反射層を形成した。その後図8に示す色素をTFP溶剤に溶かした色素溶液をスピンコート法により塗布し、80℃で30分間乾燥して記録層を形成した。これを試験する試料の数だけ用意した。
2、12、22 基板
3、13、23 案内溝
4、14、24 反射層
5、15、25 記録層
6、16、26 カバー層
7、17、27 ピット
16a 第一の樹脂層
16b 第ニの樹脂層
28 保護層
Claims (3)
- 中心部分に貫通孔を有しかつ光入射側となる一方の面側に螺旋状の案内溝を有する基板と、前記基板の前記案内溝が形成された面上に形成された反射層と、前記反射層上に形成された色素を含む有機物質で構成された記録層と、前記記録層上に形成された光透過性のカバー層と、を有する光情報記録媒体において、
前記カバー層は硬化性樹脂で形成され、前記記録層と向き合う側の弾性率が25℃で34〜96MPaである
ことを特徴とする光情報記録媒体。 - 前記カバー層は、第一の樹脂層と、前記第一の樹脂層より弾性率の低い第二の樹脂層とで構成され、前記記録層と向き合う側が前記第二の樹脂層で形成されていることを特徴とする請求項1に記載の光情報記録媒体。
- 前記記録層と前記カバー層の間に保護層が設けられており、該保護層の押込み塑性・弾性が40%以下であることを特徴とする請求項1または2に記載の光情報記録媒体。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007110869A JP4783327B2 (ja) | 2007-04-19 | 2007-04-19 | 光情報記録媒体 |
AT08251283T ATE548731T1 (de) | 2007-04-19 | 2008-04-02 | Optisches informationsaufzeichnungsmedium |
EP08251283A EP1983517B1 (en) | 2007-04-19 | 2008-04-02 | Optical information recording medium |
CNA2008100904477A CN101308680A (zh) | 2007-04-19 | 2008-04-14 | 光信息记录媒体 |
TW097113667A TWI386934B (zh) | 2007-04-19 | 2008-04-15 | Optical information recording media |
US12/104,078 US8014262B2 (en) | 2007-04-19 | 2008-04-16 | Optical information recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007110869A JP4783327B2 (ja) | 2007-04-19 | 2007-04-19 | 光情報記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008269703A true JP2008269703A (ja) | 2008-11-06 |
JP4783327B2 JP4783327B2 (ja) | 2011-09-28 |
Family
ID=39561709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007110869A Expired - Fee Related JP4783327B2 (ja) | 2007-04-19 | 2007-04-19 | 光情報記録媒体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8014262B2 (ja) |
EP (1) | EP1983517B1 (ja) |
JP (1) | JP4783327B2 (ja) |
CN (1) | CN101308680A (ja) |
AT (1) | ATE548731T1 (ja) |
TW (1) | TWI386934B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010282706A (ja) * | 2009-06-08 | 2010-12-16 | Taiyo Yuden Co Ltd | 光情報記録媒体用色素及びそれを用いた光情報記録媒体 |
US8993085B2 (en) | 2011-02-24 | 2015-03-31 | Taiyo Yuden Co., Ltd. | Recordable optical recording medium having recording layer containing organic dye |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110273970A1 (en) * | 2009-01-16 | 2011-11-10 | Sharp Kabushiki Kaisha | Optical information recording medium, and device for recording/reproducing information on/from optical information recording medium |
SG181738A1 (en) * | 2010-01-29 | 2012-07-30 | Nippon Kayaku Kk | Blu-ray disc, ultraviolet-curable resin composition for the same, and cured product |
WO2020090369A1 (ja) * | 2018-10-30 | 2020-05-07 | ソニー株式会社 | 描画方法および消去方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01220238A (ja) * | 1988-02-29 | 1989-09-01 | Taiyo Yuden Co Ltd | 光情報記録カード |
JPH06333262A (ja) * | 1993-05-20 | 1994-12-02 | Canon Inc | 光記録媒体 |
JP2001184720A (ja) * | 1999-10-13 | 2001-07-06 | Hitachi Maxell Ltd | 情報記録媒体および情報の記録再生方法 |
JP2002373451A (ja) * | 2001-06-13 | 2002-12-26 | Fuji Photo Film Co Ltd | 光記録媒体 |
JP2005108396A (ja) * | 2003-04-15 | 2005-04-21 | Ricoh Co Ltd | 追記型光記録媒体とその記録再生方法 |
JP2007026541A (ja) * | 2004-07-16 | 2007-02-01 | Mitsubishi Kagaku Media Co Ltd | 光記録媒体及び光記録媒体の光記録方法 |
JP2008123631A (ja) * | 2006-11-15 | 2008-05-29 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0289239A (ja) * | 1988-06-28 | 1990-03-29 | Mitsubishi Kasei Corp | 光ディクス |
US5118541A (en) * | 1989-06-19 | 1992-06-02 | Matsushita Electric Industrial Co., Ltd. | Erasable optical disk media and method of recording/erasing the same |
JPH0498630A (ja) * | 1990-08-16 | 1992-03-31 | Matsushita Electric Ind Co Ltd | 光記録媒体 |
JP2003036562A (ja) | 2001-07-23 | 2003-02-07 | Mitsubishi Chemicals Corp | 光学記録媒体 |
JP2003045079A (ja) | 2001-07-27 | 2003-02-14 | Hitachi Maxell Ltd | 光記録媒体 |
IN266857B (ja) * | 2004-04-22 | 2015-06-09 | Mitsubishi Kagaku Media Co Ltd | |
WO2006004119A1 (ja) * | 2004-07-06 | 2006-01-12 | Mitsubishi Kagaku Media Co., Ltd. | 光記録媒体 |
TW200639848A (en) * | 2005-02-01 | 2006-11-16 | Fuji Photo Film Co Ltd | Optical information recording medium and manufacturing method thereof |
EP1909275B1 (en) * | 2005-07-13 | 2010-06-02 | Mitsubishi Kagaku Media Co., Ltd. | Process for producing optical recording medium and apparatus therefor |
-
2007
- 2007-04-19 JP JP2007110869A patent/JP4783327B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-02 EP EP08251283A patent/EP1983517B1/en not_active Not-in-force
- 2008-04-02 AT AT08251283T patent/ATE548731T1/de active
- 2008-04-14 CN CNA2008100904477A patent/CN101308680A/zh active Pending
- 2008-04-15 TW TW097113667A patent/TWI386934B/zh not_active IP Right Cessation
- 2008-04-16 US US12/104,078 patent/US8014262B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01220238A (ja) * | 1988-02-29 | 1989-09-01 | Taiyo Yuden Co Ltd | 光情報記録カード |
JPH06333262A (ja) * | 1993-05-20 | 1994-12-02 | Canon Inc | 光記録媒体 |
JP2001184720A (ja) * | 1999-10-13 | 2001-07-06 | Hitachi Maxell Ltd | 情報記録媒体および情報の記録再生方法 |
JP2002373451A (ja) * | 2001-06-13 | 2002-12-26 | Fuji Photo Film Co Ltd | 光記録媒体 |
JP2005108396A (ja) * | 2003-04-15 | 2005-04-21 | Ricoh Co Ltd | 追記型光記録媒体とその記録再生方法 |
JP2007026541A (ja) * | 2004-07-16 | 2007-02-01 | Mitsubishi Kagaku Media Co Ltd | 光記録媒体及び光記録媒体の光記録方法 |
JP2008123631A (ja) * | 2006-11-15 | 2008-05-29 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010282706A (ja) * | 2009-06-08 | 2010-12-16 | Taiyo Yuden Co Ltd | 光情報記録媒体用色素及びそれを用いた光情報記録媒体 |
US8993085B2 (en) | 2011-02-24 | 2015-03-31 | Taiyo Yuden Co., Ltd. | Recordable optical recording medium having recording layer containing organic dye |
Also Published As
Publication number | Publication date |
---|---|
TWI386934B (zh) | 2013-02-21 |
US8014262B2 (en) | 2011-09-06 |
CN101308680A (zh) | 2008-11-19 |
JP4783327B2 (ja) | 2011-09-28 |
US20080259762A1 (en) | 2008-10-23 |
EP1983517A2 (en) | 2008-10-22 |
ATE548731T1 (de) | 2012-03-15 |
EP1983517B1 (en) | 2012-03-07 |
EP1983517A3 (en) | 2010-08-04 |
TW200903476A (en) | 2009-01-16 |
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