JP2008123631A - 光情報記録媒体 - Google Patents
光情報記録媒体 Download PDFInfo
- Publication number
- JP2008123631A JP2008123631A JP2006308603A JP2006308603A JP2008123631A JP 2008123631 A JP2008123631 A JP 2008123631A JP 2006308603 A JP2006308603 A JP 2006308603A JP 2006308603 A JP2006308603 A JP 2006308603A JP 2008123631 A JP2008123631 A JP 2008123631A
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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]
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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
- G11B7/258—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
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と向き合う界面領域の弾性率が25℃で40MPa以下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に示すアゾ系色素を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に示すアゾ系色素を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 (4)
- 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界面領域の弾性率が25℃で40MPa以下である
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、前記界面領域は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。
- 前記基板の案内溝上における前記界面領域の厚さが19〜30μm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。
- 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 |
---|---|---|---|
JP2006308603A JP4703542B2 (ja) | 2006-11-15 | 2006-11-15 | 光情報記録媒体 |
AT07254409T ATE553479T1 (de) | 2006-11-15 | 2007-11-08 | Optisches informationsaufzeichnungsmedium |
EP07254409A EP1923881B1 (en) | 2006-11-15 | 2007-11-08 | Optical information recording medium |
TW096142897A TWI381376B (zh) | 2006-11-15 | 2007-11-13 | Optical information recording media |
CN200710166449.5A CN101202070A (zh) | 2006-11-15 | 2007-11-13 | 光信息记录媒体 |
US11/940,258 US7867595B2 (en) | 2006-11-15 | 2007-11-14 | Optical information recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006308603A JP4703542B2 (ja) | 2006-11-15 | 2006-11-15 | 光情報記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008123631A true JP2008123631A (ja) | 2008-05-29 |
JP4703542B2 JP4703542B2 (ja) | 2011-06-15 |
Family
ID=39060301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006308603A Expired - Fee Related JP4703542B2 (ja) | 2006-11-15 | 2006-11-15 | 光情報記録媒体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7867595B2 (ja) |
EP (1) | EP1923881B1 (ja) |
JP (1) | JP4703542B2 (ja) |
CN (1) | CN101202070A (ja) |
AT (1) | ATE553479T1 (ja) |
TW (1) | TWI381376B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008269703A (ja) * | 2007-04-19 | 2008-11-06 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
WO2009136583A1 (ja) | 2008-05-09 | 2009-11-12 | 住友電気工業株式会社 | 光コネクタ組み付け治具および光コネクタ組み付け方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9277928B2 (en) | 2013-03-11 | 2016-03-08 | Interventional Spine, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000345322A (ja) * | 1999-05-31 | 2000-12-12 | Sony Corp | ポリカーボネート基板及びその表面処理方法 |
JP2004246959A (ja) * | 2003-02-13 | 2004-09-02 | Fuji Photo Film Co Ltd | 光情報記録媒体 |
WO2006009107A1 (ja) * | 2004-07-16 | 2006-01-26 | Mitsubishi Kagaku Media Co., Ltd. | 光記録媒体及び光記録媒体の光記録方法 |
JP2006236518A (ja) * | 2005-02-28 | 2006-09-07 | Lintec Corp | 光記録媒体の保護層形成用シート、光記録媒体およびそれらの製造方法 |
Family Cites Families (7)
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 |
JP4076739B2 (ja) * | 2001-06-13 | 2008-04-16 | 富士フイルム株式会社 | 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 |
JP4133539B2 (ja) * | 2003-04-18 | 2008-08-13 | リンテック株式会社 | 光記録媒体製造用シートおよび光記録媒体 |
-
2006
- 2006-11-15 JP JP2006308603A patent/JP4703542B2/ja not_active Expired - Fee Related
-
2007
- 2007-11-08 EP EP07254409A patent/EP1923881B1/en not_active Not-in-force
- 2007-11-08 AT AT07254409T patent/ATE553479T1/de active
- 2007-11-13 CN CN200710166449.5A patent/CN101202070A/zh active Pending
- 2007-11-13 TW TW096142897A patent/TWI381376B/zh not_active IP Right Cessation
- 2007-11-14 US US11/940,258 patent/US7867595B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000345322A (ja) * | 1999-05-31 | 2000-12-12 | Sony Corp | ポリカーボネート基板及びその表面処理方法 |
JP2004246959A (ja) * | 2003-02-13 | 2004-09-02 | Fuji Photo Film Co Ltd | 光情報記録媒体 |
WO2006009107A1 (ja) * | 2004-07-16 | 2006-01-26 | Mitsubishi Kagaku Media Co., Ltd. | 光記録媒体及び光記録媒体の光記録方法 |
JP2006236518A (ja) * | 2005-02-28 | 2006-09-07 | Lintec Corp | 光記録媒体の保護層形成用シート、光記録媒体およびそれらの製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008269703A (ja) * | 2007-04-19 | 2008-11-06 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
WO2009136583A1 (ja) | 2008-05-09 | 2009-11-12 | 住友電気工業株式会社 | 光コネクタ組み付け治具および光コネクタ組み付け方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1923881B1 (en) | 2012-04-11 |
TW200836187A (en) | 2008-09-01 |
CN101202070A (zh) | 2008-06-18 |
TWI381376B (zh) | 2013-01-01 |
EP1923881A2 (en) | 2008-05-21 |
JP4703542B2 (ja) | 2011-06-15 |
US7867595B2 (en) | 2011-01-11 |
US20080118698A1 (en) | 2008-05-22 |
EP1923881A3 (en) | 2010-03-31 |
ATE553479T1 (de) | 2012-04-15 |
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