WO2008126573A1 - Support d'enregistrement optique, cible de pulvérisation et son procédé de fabrication - Google Patents

Support d'enregistrement optique, cible de pulvérisation et son procédé de fabrication Download PDF

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Publication number
WO2008126573A1
WO2008126573A1 PCT/JP2008/054420 JP2008054420W WO2008126573A1 WO 2008126573 A1 WO2008126573 A1 WO 2008126573A1 JP 2008054420 W JP2008054420 W JP 2008054420W WO 2008126573 A1 WO2008126573 A1 WO 2008126573A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording
layer
oxide
recording medium
optical recording
Prior art date
Application number
PCT/JP2008/054420
Other languages
English (en)
Inventor
Noboru Sasa
Yoshitaka Hayashi
Toshishige Fujii
Toshihide Sasaki
Hiroyoshi Sekiguchi
Masayuki Fujiwara
Original Assignee
Ricoh Company, Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007229432A external-priority patent/JP5169081B2/ja
Application filed by Ricoh Company, Ltd. filed Critical Ricoh Company, Ltd.
Priority to US12/521,197 priority Critical patent/US8124211B2/en
Publication of WO2008126573A1 publication Critical patent/WO2008126573A1/fr

Links

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
    • G11B7/241—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
    • G11B7/2437—Non-metallic elements
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
    • C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
    • 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 System, 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
    • G11B7/26—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
    • G11B7/243—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
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/2432—Oxygen
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24322—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
    • G11B7/242—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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24328—Carbon

Abstract

L'objet de la présente invention est un support d'enregistrement optique incluant un substrat et, sur le substrat, au moins une couche d'enregistrement qui peut enregistrer et reproduire au moyen de la lumière laser dans une région de longueur d'onde bleue, laquelle couche d'enregistrement inclut Bi et O en tant que principaux composants, et inclut en outre au moins C ou N, et n'inclut pas Fe ; ou un support d'enregistrement optique incluant un substrat et, sur le substrat, au moins une couche d'enregistrement qui contient, en tant que principaux composants, un oxyde de Bi, et une substance simple pour chacun du ou des éléments M (à l'exception de Bi, C et N) qui améliore une fonction d'absorption optique pour une lumière laser d'enregistrement et de reproduction, lequel support d'enregistrement optique peut enregistrer et reproduire au moyen de la lumière laser dans une région de longueur d'onde bleue.
PCT/JP2008/054420 2007-03-28 2008-03-05 Support d'enregistrement optique, cible de pulvérisation et son procédé de fabrication WO2008126573A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/521,197 US8124211B2 (en) 2007-03-28 2008-03-05 Optical recording medium, sputtering target, and method for manufacturing the same

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007084685 2007-03-28
JP2007-084685 2007-03-28
JP2007-097067 2007-04-03
JP2007097067 2007-04-03
JP2007229432A JP5169081B2 (ja) 2007-04-03 2007-09-04 光記録媒体、スパッタリングターゲット
JP2007-229432 2007-09-04

Publications (1)

Publication Number Publication Date
WO2008126573A1 true WO2008126573A1 (fr) 2008-10-23

Family

ID=39863717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054420 WO2008126573A1 (fr) 2007-03-28 2008-03-05 Support d'enregistrement optique, cible de pulvérisation et son procédé de fabrication

Country Status (1)

Country Link
WO (1) WO2008126573A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111048A (ja) * 2008-11-07 2010-05-20 Ricoh Co Ltd 追記型光記録媒体
CN112543973A (zh) * 2018-08-09 2021-03-23 松下知识产权经营株式会社 信息记录介质及其制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027770A1 (fr) * 2002-09-18 2004-04-01 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement optiques d'informations et procede de fabrication
JP2005161831A (ja) * 2003-04-16 2005-06-23 Ricoh Co Ltd 追記型光記録媒体とその記録再生方法
JP2006247897A (ja) * 2005-03-08 2006-09-21 Ricoh Co Ltd 追記型光記録媒体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027770A1 (fr) * 2002-09-18 2004-04-01 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement optiques d'informations et procede de fabrication
JP2005161831A (ja) * 2003-04-16 2005-06-23 Ricoh Co Ltd 追記型光記録媒体とその記録再生方法
JP2006247897A (ja) * 2005-03-08 2006-09-21 Ricoh Co Ltd 追記型光記録媒体

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111048A (ja) * 2008-11-07 2010-05-20 Ricoh Co Ltd 追記型光記録媒体
CN112543973A (zh) * 2018-08-09 2021-03-23 松下知识产权经营株式会社 信息记录介质及其制造方法
US11545179B2 (en) 2018-08-09 2023-01-03 Panasonic Intellectual Property Management Co., Ltd. Information storage medium having multiple recording layers
CN112543973B (zh) * 2018-08-09 2023-03-10 松下知识产权经营株式会社 信息记录介质及其制造方法

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