JP5112696B2 - マルチスタック光記憶媒体 - Google Patents
マルチスタック光記憶媒体 Download PDFInfo
- Publication number
- JP5112696B2 JP5112696B2 JP2006530687A JP2006530687A JP5112696B2 JP 5112696 B2 JP5112696 B2 JP 5112696B2 JP 2006530687 A JP2006530687 A JP 2006530687A JP 2006530687 A JP2006530687 A JP 2006530687A JP 5112696 B2 JP5112696 B2 JP 5112696B2
- Authority
- JP
- Japan
- Prior art keywords
- recording layer
- thickness
- upper recording
- stack
- storage 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 - Fee Related
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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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
-
- 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
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording 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
- G11B7/24047—Substrates
-
- 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
- G11B7/242—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
-
- 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
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/266—Sputtering or spin-coating 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
- G11B7/242—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Description
ただし、dGは、グルーブ深度13であり、ΔnRは、染料に基づいた記録層の屈折率nRの偏差である。
ただしn0は、基板1の屈折率であり、dLは、ランド深度14である。
式EQ2は、式EQ1と同等である。もう1つの点は、0.125.λより小さい位相差が、これら3つの式に必要である点である。しかし、染料に基づいた記録材料では、
Claims (6)
- 有機染料材料で作られる上層記録層であり、データの記録が該有機染料材料の光学厚さの変化を生じさせるようにし、28ナノメートル以上115ナノメートル以下の厚さdRと屈折率nRとを有する上層記録層を有する上層記録スタックと、少なくとも一つの下層記録スタックとを入射面の下に有する、DVDフォーマットを有するライトワンス光記憶媒体であって、
前記下層記録スタックは、波長λで前記入射面を通り該光記憶媒体に入り、前記下層記録スタック上に焦点が合わされ、前記上層記録スタック内を透過する放射ビームによって記録又は読出しされ、
前記上層記録層の記録は、前記上層記録層における記録が行われた領域と記録が行われていない領域との間で光学厚さの偏差Δ(nR・dR)をもたらし、前記偏差は、0.03λ乃至0.125λの範囲内にあり、
前記波長λは、約655ナノメートルであり、
前記上層記録層は、グルーブ及びランドを有し、
前記上層記録層は、前記グルーブでの厚さと前記ランドでの厚さとの少なくとも二つの異なる前記厚さd R の値を有する、
ライトワンス光記憶媒体。 - 前記上層記録スタックは、前記上層記録層と前記下層記録スタックとの間に形成される薄い金属反射層を有する請求項1記載のライトワンス光記憶媒体。
- 前記下層記録スタックは、有機染料材料を有する下層記録層と、該下層記録層の下に形成される厚い金属反射層とを有する請求項1記載のライトワンス光記憶媒体。
- 前記薄い金属反射層は、5ナノメートルより大きく25ナノメートルより小さい厚さを有し、銀合金から形成される請求項2記載のライトワンス光記憶媒体。
- 前記入射面の下に、前記入射面と前記上層記録層との間に形成され、0.3ミリメートルより大きく1.2ミリメートルより小さい厚さを有する透明基板を有する請求項1記載のライトワンス光記憶媒体。
- 有機染料材料で作られる上層記録層であり、データの記録が該有機染料材料の光学厚さの変化を生じさせるようにする上層記録層と少なくとも一つの下層記録層とを有する、DVDフォーマットを有するライトワンス光記憶媒体を製造する方法であり、該下層記録層が、波長λを有する集束放射ビームによって記録又は読出しされる方法であって、
当該製造方法は、予めグルーブが付けられた半透明基板を形成する段階と、
前記上層記録層の記録が、該上層記録層における記録が行われた領域と記録が行われていない領域との間で光学厚さの偏差をもたらすよう、28ナノメートル以上115ナノメートル以下の厚さdRと屈折率nRとを有する前記上層記録層を形成するために、前記予めグルーブが付けられた基板上に有機染料をスピンコーティングする段階と、
を有し、
前記偏差は、0.03λ乃至0.125λの範囲内にあり、
前記波長λは、約655ナノメートルであり、
前記上層記録層は、グルーブ及びランドを有し、
前記上層記録層は、前記グルーブでの厚さと前記ランドでの厚さとの少なくとも二つの異なる前記厚さd R の値を有する、
製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03300020.9 | 2003-05-28 | ||
EP03300020 | 2003-05-28 | ||
PCT/IB2004/001710 WO2004107329A1 (en) | 2003-05-28 | 2004-05-17 | Multi-stack optical storage medium |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011271271A Division JP2012084224A (ja) | 2003-05-28 | 2011-12-12 | マルチスタック光記憶媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007500413A JP2007500413A (ja) | 2007-01-11 |
JP5112696B2 true JP5112696B2 (ja) | 2013-01-09 |
Family
ID=33484062
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006530687A Expired - Fee Related JP5112696B2 (ja) | 2003-05-28 | 2004-05-17 | マルチスタック光記憶媒体 |
JP2011271271A Pending JP2012084224A (ja) | 2003-05-28 | 2011-12-12 | マルチスタック光記憶媒体 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011271271A Pending JP2012084224A (ja) | 2003-05-28 | 2011-12-12 | マルチスタック光記憶媒体 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160343398A1 (ja) |
EP (1) | EP1634282B1 (ja) |
JP (2) | JP5112696B2 (ja) |
KR (1) | KR20060026855A (ja) |
CN (1) | CN1795500B (ja) |
AT (1) | ATE535908T1 (ja) |
TW (1) | TWI353602B (ja) |
WO (1) | WO2004107329A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7360228B2 (en) * | 2002-08-29 | 2008-04-15 | Koninklijke Philips Electronics N. V. | Multi-stack optical data storage medium and use of such medium |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0573955A (ja) * | 1991-09-10 | 1993-03-26 | Victor Co Of Japan Ltd | 光学的記録媒体円盤 |
JPH1166622A (ja) * | 1997-08-25 | 1999-03-09 | Taiyo Yuden Co Ltd | 光情報媒体とその記録再生方法 |
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 |
JP2001023237A (ja) * | 1999-07-02 | 2001-01-26 | Pioneer Electronic Corp | 情報記録媒体 |
AU2001232279A1 (en) * | 2000-02-14 | 2001-08-20 | Taiyo Yuden Co. Ltd. | Optical information recording medium |
US6664526B2 (en) * | 2000-11-15 | 2003-12-16 | Ricoh Company, Ltd. | Optical information recording employing improved recording power control scheme |
JP2003016691A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Corp | 多層構造の情報媒体およびこの媒体を用いる装置 |
AU2003216606A1 (en) * | 2002-04-02 | 2003-10-13 | Koninklijke Philips Electronics N.V. | Optical data storage medium and use of such medium |
DK1518229T3 (da) * | 2002-06-18 | 2009-11-30 | Koninkl Philips Electronics Nv | Optisk datalagringsmedie |
US7360228B2 (en) * | 2002-08-29 | 2008-04-15 | Koninklijke Philips Electronics N. V. | Multi-stack optical data storage medium and use of such medium |
EP1563493A1 (en) * | 2002-11-06 | 2005-08-17 | Koninklijke Philips Electronics N.V. | Multi-stack optical data storage medium and use of such medium |
ATE379834T1 (de) * | 2002-12-13 | 2007-12-15 | Koninkl Philips Electronics Nv | Doppelschichtiges optisches aufzeichnungsmedium und der gebrauch eines solchen mediums |
-
2004
- 2004-05-17 AT AT04733407T patent/ATE535908T1/de active
- 2004-05-17 EP EP04733407A patent/EP1634282B1/en not_active Expired - Lifetime
- 2004-05-17 CN CN2004800143743A patent/CN1795500B/zh not_active Expired - Fee Related
- 2004-05-17 KR KR1020057022532A patent/KR20060026855A/ko active IP Right Grant
- 2004-05-17 JP JP2006530687A patent/JP5112696B2/ja not_active Expired - Fee Related
- 2004-05-17 WO PCT/IB2004/001710 patent/WO2004107329A1/en active Application Filing
- 2004-05-25 TW TW093114810A patent/TWI353602B/zh not_active IP Right Cessation
-
2011
- 2011-12-12 JP JP2011271271A patent/JP2012084224A/ja active Pending
-
2016
- 2016-07-06 US US15/202,649 patent/US20160343398A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1634282B1 (en) | 2011-11-30 |
JP2012084224A (ja) | 2012-04-26 |
US20160343398A1 (en) | 2016-11-24 |
TW200511292A (en) | 2005-03-16 |
EP1634282A1 (en) | 2006-03-15 |
WO2004107329A1 (en) | 2004-12-09 |
TWI353602B (en) | 2011-12-01 |
CN1795500A (zh) | 2006-06-28 |
ATE535908T1 (de) | 2011-12-15 |
CN1795500B (zh) | 2012-07-18 |
JP2007500413A (ja) | 2007-01-11 |
KR20060026855A (ko) | 2006-03-24 |
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