JP2012216277A - 書込み可能な光学記録媒体 - Google Patents
書込み可能な光学記録媒体 Download PDFInfo
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- JP2012216277A JP2012216277A JP2012073115A JP2012073115A JP2012216277A JP 2012216277 A JP2012216277 A JP 2012216277A JP 2012073115 A JP2012073115 A JP 2012073115A JP 2012073115 A JP2012073115 A JP 2012073115A JP 2012216277 A JP2012216277 A JP 2012216277A
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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
- G11B7/242—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
- G11B7/241—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
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
-
- 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
- G11B2007/25303—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
- G11B2007/25303—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
- G11B2007/25306—Polystyrene [PS]
-
- 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
- G11B2007/25705—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 inorganic materials
- G11B2007/2571—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 inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
-
- 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
- G11B2007/25705—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 inorganic materials
- G11B2007/25711—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 inorganic materials containing carbon
-
- 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
- G11B2007/25705—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 inorganic materials
- G11B2007/25713—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 inorganic materials containing nitrogen
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
【解決手段】書込み可能な光学記録媒体は、スパッタ方式で無機膜層を形成する。該書込み可能な光学記録媒体は基板と少なくとも一層の膜層堆積構造を包含し、各膜層堆積構造は、反射層、上誘電層、1層或いは複数層の記録層、下誘電層及びバリア層で構成される。本発明は酸化ジルコニウム(ZrO2)を基礎とする境界層を膜層堆積構造中の反射層と上誘電層の間に増設することで、環境抵抗性改善と電気性質改善の目的を達成する。
【選択図】図2
Description
該膜層堆積構造bは少なくとも、反射層(12)、上誘電層(13)、界面層(18)、記録層(14)、下誘電層(15)、バリア層(16)を包含する。
それぞれの厚さは1nmから300nmとし、上述の材料の単一層或いは複数層で構成する。
厚さが1.1mmで溝部(groove)と溝間部(land)が形成されたブルーレイディスク(Blu−ray Disc)基板(11)を準備する。そのトラックピッチは0.32μmとする。磁気制御スパッタ方式で、基板(11)上に膜層堆積構造aを形成する。該膜層堆積構造aの形成ステップは以下のとおりである。まず、1層の膜厚が100nmの銀(Ag)反射層(12)を形成し、続いて該反射層(12)の上に膜厚4nmの酸化ジルコニウム混合物( ZrO2 base material)界面層(18)(interface film)を形成する。続いて、界面層(18)の上に膜厚14nmの硫化亜鉛−酸化シリコン(ZnS−SiO2)上誘電層(13)を形成し、さらに上誘電層(13)の上に膜厚14nmの記録層(14)を形成し、さらに記録層(14)の上に膜厚30nmの硫化亜鉛−酸化シリコン(ZnS−SiO2)下誘電層(15)を形成し、その後、下誘電層(15)の上に膜厚10nmの窒化酸化シリコン(SiON)バリア層(16)を形成する。
12 反射層
13 上誘電層
14 記録層
15 下誘電層
16 バリア層
17 光透過層
18 界面層
19 レーザービーム
20 中間隔離層
Claims (4)
- 螺旋状連続溝を備えた基板上に、少なくとも1層の膜層堆積構造、中間隔離層及び光透過層が形成され、各該膜層堆積構造は独立した記録膜層構造とし、反射層、上誘電層、1層の記録層、下誘電層及びバリア層で構成され、各該中間隔離層により各該膜層堆積構造間が連結並びに隔離された書込み可能な光学記録媒体において、
環境抵抗性と電気性質を改善するために界面層が該膜層堆積構造中の該反射層と該上誘電層の間に増設されたことを特徴とする、書込み可能な光学記録媒体。 - 請求項1記載の書込み可能な光学記録媒体において、該界面層の主要成分は酸化ジルコニウム混合物とし、その厚さは1から300nmとされることを特徴とする、書込み可能な光学記録媒体。
- 請求項1記載の書込み可能な光学記録媒体において、該記録層の材料は、銅、シリコン、クロム、半金属或いはその合金を主要な単体成分とするもののうち任意の二種類とすることを特徴とする、書込み可能な光学記録媒体。
- 請求項1記載の書込み可能な光学記録媒体において、該基板の材料は、ポリカーボネート樹脂、ポリメチルメタクリレート、ポリスチレン樹脂、ポリエチレン樹脂、ポリプロピレン樹脂より選択されることを特徴とする、書込み可能な光学記録媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100111231A TWI426511B (zh) | 2011-03-31 | 2011-03-31 | 可寫錄光記錄媒體 |
TW100111231 | 2011-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012216277A true JP2012216277A (ja) | 2012-11-08 |
Family
ID=46875313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012073115A Pending JP2012216277A (ja) | 2011-03-31 | 2012-03-28 | 書込み可能な光学記録媒体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120251761A1 (ja) |
JP (1) | JP2012216277A (ja) |
DE (1) | DE102012102694A1 (ja) |
TW (1) | TWI426511B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018121621A1 (en) | 2016-12-27 | 2018-07-05 | Chou, Chie-Ming | Method for signaling bandwidth part (bwp) indicators and radio communication equipment using the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62200544A (ja) * | 1986-02-27 | 1987-09-04 | Toshiba Corp | 光記録媒体 |
JP2002144736A (ja) * | 2000-08-31 | 2002-05-22 | Matsushita Electric Ind Co Ltd | 情報記録媒体およびその製造方法ならびにその記録再生方法 |
JP2004348881A (ja) * | 2003-05-22 | 2004-12-09 | Ricoh Co Ltd | 相変化型光記録媒体 |
JP2009157990A (ja) * | 2007-12-26 | 2009-07-16 | Panasonic Corp | 情報記録媒体、その製造方法、その記録方法、およびターゲット |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4092147B2 (ja) * | 2002-07-04 | 2008-05-28 | Tdk株式会社 | 光記録媒体及び光記録方法 |
DE602006012088D1 (de) * | 2005-12-02 | 2010-03-18 | Panasonic Corp | Datenaufzeichnungsmedium und verfahren zu dessen herstellung |
US8017208B2 (en) * | 2006-11-01 | 2011-09-13 | Panasonic Corporation | Information recording medium, target and method for manufacturing of information recording medium using the same |
TWI400701B (zh) * | 2009-04-29 | 2013-07-01 | Cmc Magnetics Corp | 可寫錄光記錄媒體(第二案) |
-
2011
- 2011-03-31 TW TW100111231A patent/TWI426511B/zh not_active IP Right Cessation
-
2012
- 2012-03-28 US US13/432,024 patent/US20120251761A1/en not_active Abandoned
- 2012-03-28 JP JP2012073115A patent/JP2012216277A/ja active Pending
- 2012-03-29 DE DE102012102694A patent/DE102012102694A1/de not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62200544A (ja) * | 1986-02-27 | 1987-09-04 | Toshiba Corp | 光記録媒体 |
JP2002144736A (ja) * | 2000-08-31 | 2002-05-22 | Matsushita Electric Ind Co Ltd | 情報記録媒体およびその製造方法ならびにその記録再生方法 |
JP2004348881A (ja) * | 2003-05-22 | 2004-12-09 | Ricoh Co Ltd | 相変化型光記録媒体 |
JP2009157990A (ja) * | 2007-12-26 | 2009-07-16 | Panasonic Corp | 情報記録媒体、その製造方法、その記録方法、およびターゲット |
Also Published As
Publication number | Publication date |
---|---|
TW201239881A (en) | 2012-10-01 |
DE102012102694A1 (de) | 2012-10-11 |
US20120251761A1 (en) | 2012-10-04 |
TWI426511B (zh) | 2014-02-11 |
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Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20131112 |