WO2009072285A1 - 情報記録媒体、及びその製造法、ならびに記録再生装置 - Google Patents

情報記録媒体、及びその製造法、ならびに記録再生装置 Download PDF

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Publication number
WO2009072285A1
WO2009072285A1 PCT/JP2008/003588 JP2008003588W WO2009072285A1 WO 2009072285 A1 WO2009072285 A1 WO 2009072285A1 JP 2008003588 W JP2008003588 W JP 2008003588W WO 2009072285 A1 WO2009072285 A1 WO 2009072285A1
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Prior art keywords
atom
recording medium
recording
atoms
information
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PCT/JP2008/003588
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English (en)
French (fr)
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Haruhiko Habuta
Noboru Yamada
Shigeru Furumiya
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Panasonic Corporation
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Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009544581A priority Critical patent/JP5148629B2/ja
Priority to CN2008801193822A priority patent/CN101888933B/zh
Priority to US12/745,720 priority patent/US8426003B2/en
Publication of WO2009072285A1 publication Critical patent/WO2009072285A1/ja

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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
    • G11B7/2403—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
    • G11B7/241—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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
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    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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    • 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
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    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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    • 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
    • G11B2007/25708—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 13 elements (B, Al, Ga)
    • 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)
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    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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    • 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
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    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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    • 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
    • G11B2007/25718—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 halides (F, Cl, Br, l)
    • G—PHYSICS
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    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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    • 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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    • 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
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

　基板と、記録層を有する情報層とを備え、レーザ光の照射により情報の記録及び再生を行う情報記録媒体において、記録層を、Ｔｅ、Ｏ、ＭＡ（ＭＡはＡｕおよびＰｄから選ばれる少なくとも１種の元素である）及びＭＢ（ＭＢはＡｇ、ＣｕおよびＮｉから選ばれる少なくとも１種の元素である）から成るＴｅ－Ｏ－ＭＡ－ＭＢ材料であって、Ｔｅ原子の含有割合が１０原子％以上５０原子％以下であり、Ｏ原子の含有割合が４０原子％以上７０原子％以下であり、ＭＡ原子の含有割合が３原子％以上１５原子％以下であり、ＭＢ原子の含有割合が３原子％以上１５原子％以下であるＴｅ－Ｏ－ＭＡ－ＭＢ材料で構成する。この構成により、高密度記録が可能であり、長期にわたって記録データを安定に再生することができる、低コストの情報記録媒体が提供される。
PCT/JP2008/003588 2007-12-04 2008-12-04 情報記録媒体、及びその製造法、ならびに記録再生装置 WO2009072285A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009544581A JP5148629B2 (ja) 2007-12-04 2008-12-04 情報記録媒体、及びその製造法、ならびに記録再生装置
CN2008801193822A CN101888933B (zh) 2007-12-04 2008-12-04 信息记录介质及其制造法和记录再生装置
US12/745,720 US8426003B2 (en) 2007-12-04 2008-12-04 Information recording medium, method for manufacturing the same, and recording/reproducing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007313380 2007-12-04
JP2007-313380 2007-12-04

Publications (1)

Publication Number Publication Date
WO2009072285A1 true WO2009072285A1 (ja) 2009-06-11

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PCT/JP2008/003588 WO2009072285A1 (ja) 2007-12-04 2008-12-04 情報記録媒体、及びその製造法、ならびに記録再生装置

Country Status (4)

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US (1) US8426003B2 (ja)
JP (1) JP5148629B2 (ja)
CN (1) CN101888933B (ja)
WO (1) WO2009072285A1 (ja)

Cited By (2)

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EP2479751A4 (en) * 2009-09-18 2015-07-22 Kobe Steel Ltd RECORDING LAYER FOR OPTICAL INFORMATION RECORDING MEDIUM, OPTICAL INFORMATION RECORDING MEDIUM, AND CATHODIC SPUTTERING TARGET
JP2017137575A (ja) * 2016-02-01 2017-08-10 光洋應用材料科技股▲分▼有限公司 ニッケル−テルル系スパッタリングターゲットおよびニッケル−テルル系酸化物材料

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CN102282614B (zh) * 2009-02-04 2015-08-12 松下电器产业株式会社 光学信息记录介质、记录方法、再生方法以及记录再生装置
US20220358963A1 (en) * 2021-05-05 2022-11-10 Seagate Technology Llc Seed layer for carbon overcoat in magnetic media

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JPS62143240A (ja) * 1985-12-18 1987-06-26 Matsushita Electric Ind Co Ltd 情報担体デイスク
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CN105931654A (zh) * 2009-09-18 2016-09-07 株式会社神户制钢所 光信息记录介质用记录层、光信息记录介质及溅射靶
CN105931654B (zh) * 2009-09-18 2019-07-02 株式会社神户制钢所 光信息记录介质用记录层、光信息记录介质及溅射靶
JP2017137575A (ja) * 2016-02-01 2017-08-10 光洋應用材料科技股▲分▼有限公司 ニッケル−テルル系スパッタリングターゲットおよびニッケル−テルル系酸化物材料
JP2018150623A (ja) * 2016-02-01 2018-09-27 光洋應用材料科技股▲分▼有限公司 ニッケル−テルル系スパッタリングターゲット及びニッケル−テルル系酸化物材料

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JPWO2009072285A1 (ja) 2011-04-21
US20100265811A1 (en) 2010-10-21

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