WO2009038046A1 - 読み出し専用の光情報記録媒体 - Google Patents

読み出し専用の光情報記録媒体 Download PDF

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Publication number
WO2009038046A1
WO2009038046A1 PCT/JP2008/066669 JP2008066669W WO2009038046A1 WO 2009038046 A1 WO2009038046 A1 WO 2009038046A1 JP 2008066669 W JP2008066669 W JP 2008066669W WO 2009038046 A1 WO2009038046 A1 WO 2009038046A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
information recording
optical information
reflection film
read
Prior art date
Application number
PCT/JP2008/066669
Other languages
English (en)
French (fr)
Inventor
Norihiro Jiko
Junichi Nakai
Yuki Tauchi
Original Assignee
Kabushiki Kaisha Kobe Seiko Sho
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
Application filed by Kabushiki Kaisha Kobe Seiko Sho filed Critical Kabushiki Kaisha Kobe Seiko Sho
Priority to EP08831547.8A priority Critical patent/EP2192585B1/en
Priority to AU2008301745A priority patent/AU2008301745B2/en
Priority to US12/679,170 priority patent/US8309195B2/en
Publication of WO2009038046A1 publication Critical patent/WO2009038046A1/ja

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
    • G11B7/252—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
    • 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

　本発明の光情報記録媒体は、基板上にＡｌ基合金からなる反射膜および光透過層が少なくとも１層ずつ順次積層された読み出し専用の光情報記録媒体である。反射膜の算術平均粗さＲａは０．５ｎｍ以下であり、反射膜の厚さは２５ｎｍ以上である。本発明の光情報記録媒体は、高反射率および低ジッターを有し、好ましくは、耐久性に優れており、特に、ＢＤ－ＲＯＭやＨＤ　ＤＶＤ－ＲＯＭのように青色レーザーを使用する光ディスクに好適に用いられる反射膜を備えた読み出し専用光情報記録媒体である。
PCT/JP2008/066669 2007-09-19 2008-09-16 読み出し専用の光情報記録媒体 WO2009038046A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08831547.8A EP2192585B1 (en) 2007-09-19 2008-09-16 Read-only optical information recording medium
AU2008301745A AU2008301745B2 (en) 2007-09-19 2008-09-16 Read-only optical information recording medium
US12/679,170 US8309195B2 (en) 2007-09-19 2008-09-16 Read-only optical information recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007242870A JP2009076129A (ja) 2007-09-19 2007-09-19 読み出し専用の光情報記録媒体
JP2007-242870 2007-09-19

Publications (1)

Publication Number Publication Date
WO2009038046A1 true WO2009038046A1 (ja) 2009-03-26

Family

ID=40467860

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066669 WO2009038046A1 (ja) 2007-09-19 2008-09-16 読み出し専用の光情報記録媒体

Country Status (6)

Country Link
US (1) US8309195B2 (ja)
EP (1) EP2192585B1 (ja)
JP (1) JP2009076129A (ja)
AU (1) AU2008301745B2 (ja)
TW (1) TW200921667A (ja)
WO (1) WO2009038046A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5042174B2 (ja) * 2008-09-05 2012-10-03 株式会社神戸製鋼所 光情報記録媒体用反射膜および光情報記録媒体反射膜形成用スパッタリングターゲット
JP5331420B2 (ja) 2008-09-11 2013-10-30 株式会社神戸製鋼所 読み出し専用の光情報記録媒体および該光情報記録媒体の半透過反射膜形成用スパッタリングターゲット
JP2010225572A (ja) * 2008-11-10 2010-10-07 Kobe Steel Ltd 有機ｅｌディスプレイ用の反射アノード電極および配線膜
KR20110128198A (ko) 2009-04-14 2011-11-28 가부시키가이샤 고베 세이코쇼 광 정보 기록 매체, 광 정보 기록 매체의 반사막 형성용 스퍼터링 타깃
JP5396160B2 (ja) * 2009-05-29 2014-01-22 ソニー株式会社 光記録媒体
JP6661000B2 (ja) * 2018-06-07 2020-03-11 株式会社神戸製鋼所 記録層、光情報記録媒体及びスパッタリングターゲット

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762919B2 (ja) 1989-05-18 1995-07-05 三菱化学株式会社 再生専用型光ディスク
WO2000065584A1 (fr) 1999-04-26 2000-11-02 Sony Corporation Disque optique et procede de fabrication
JP2004079131A (ja) * 2002-08-22 2004-03-11 Fuji Photo Film Co Ltd 光情報記録媒体
JP2006066003A (ja) 2004-08-30 2006-03-09 Tdk Corp Ｒｏｍ型光記録媒体
JP2007092153A (ja) 2005-09-30 2007-04-12 Univ Tohoku Ａｌ合金反射膜、光情報記録媒体及びＡｌ合金反射膜形成用スパッタリングターゲット
JP2007242870A (ja) 2006-03-08 2007-09-20 Tokyo Electron Ltd 基板処理装置、基板吸着方法及び記憶媒体

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0428032A (ja) 1990-05-24 1992-01-30 Daicel Chem Ind Ltd 光情報記録媒体
JPH04252440A (ja) 1991-01-28 1992-09-08 Hitachi Maxell Ltd 光情報記録媒体
US5500301A (en) * 1991-03-07 1996-03-19 Kabushiki Kaisha Kobe Seiko Sho A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films
JPH05258363A (ja) 1992-03-10 1993-10-08 Sumitomo Metal Mining Co Ltd 光磁気記録媒体
US5948497A (en) 1992-10-19 1999-09-07 Eastman Kodak Company High stability silver based alloy reflectors for use in a writable compact disk
JPH06302027A (ja) 1993-04-15 1994-10-28 Mitsubishi Materials Corp 光磁気記録媒体用反射膜
JPH07130007A (ja) 1993-11-04 1995-05-19 Sony Corp 光学素子、情報記録媒体及び情報記録／再生装置
EP0860295B1 (en) * 1996-09-09 2003-06-25 Matsushita Electric Industrial Co., Ltd Optical information recording medium, its manufacturing method, optical information recording/reproducing method and optical information recorder/reproducer
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6852384B2 (en) 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6905750B2 (en) 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6007889A (en) 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
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
US6790503B2 (en) 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6451402B1 (en) 1998-06-22 2002-09-17 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
JP2000057627A (ja) 1998-08-04 2000-02-25 Mitsui Chemicals Inc 光反射膜及びそれを用いた光記録媒体
JP2000306271A (ja) * 1999-04-22 2000-11-02 Sony Corp 光学記録媒体およびその製造方法
JP2001184725A (ja) 1999-12-21 2001-07-06 Victor Co Of Japan Ltd 光学的情報記録媒体
JP2001216686A (ja) * 2000-01-31 2001-08-10 Sony Corp 光学記録媒体
JP2001312840A (ja) 2000-04-28 2001-11-09 Tosoh Corp 表面読み出し型光記録媒体
SG116432A1 (en) * 2000-12-26 2005-11-28 Kobe Steel Ltd Reflective layer or semi-transparent reflective layer for use in optical information recording media, optical information recording media and sputtering target for use in the optical information recording media.
KR100399021B1 (ko) * 2001-01-31 2003-09-19 한국과학기술연구원 비정질 반사막을 이용한 고밀도 광 디스크
JP2003141787A (ja) * 2001-11-05 2003-05-16 Fujitsu Ltd 光記録媒体及びその製造方法
JP3772972B2 (ja) 2001-11-26 2006-05-10 三菱マテリアル株式会社 光記録媒体の反射層形成用銀合金スパッタリングターゲット
KR100491931B1 (ko) * 2002-01-25 2005-05-30 가부시키가이샤 고베 세이코쇼 반사 필름, 반사형 액정 표시소자 및 상기 반사 필름을형성하기 위한 스퍼터링 타겟
US20040238356A1 (en) * 2002-06-24 2004-12-02 Hitoshi Matsuzaki Silver alloy sputtering target and process for producing the same
US7514037B2 (en) * 2002-08-08 2009-04-07 Kobe Steel, Ltd. AG base alloy thin film and sputtering target for forming AG base alloy thin film
JP2004158145A (ja) 2002-11-08 2004-06-03 Tdk Corp 光記録媒体
EP1560704B1 (en) 2003-04-18 2012-06-13 Target Technology Company, LLC. Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
JP3993530B2 (ja) * 2003-05-16 2007-10-17 株式会社神戸製鋼所 Ａｇ−Ｂｉ系合金スパッタリングターゲットおよびその製造方法
JP4009564B2 (ja) * 2003-06-27 2007-11-14 株式会社神戸製鋼所 リフレクター用Ａｇ合金反射膜、及び、このＡｇ合金反射膜を用いたリフレクター、並びに、このＡｇ合金反射膜のＡｇ合金薄膜の形成用のＡｇ合金スパッタリングターゲット
JP2005029849A (ja) * 2003-07-07 2005-02-03 Kobe Steel Ltd リフレクター用Ａｇ合金反射膜、及び、このＡｇ合金反射膜を用いたリフレクター、並びに、このＡｇ合金反射膜の形成用のＡｇ合金スパッタリングターゲット
US20050112019A1 (en) * 2003-10-30 2005-05-26 Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) Aluminum-alloy reflection film for optical information-recording, optical information-recording medium, and aluminum-alloy sputtering target for formation of the aluminum-alloy reflection film for optical information-recording
US20050153162A1 (en) * 2003-12-04 2005-07-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Ag-base interconnecting film for flat panel display, Ag-base sputtering target and flat panel display
TWI325134B (en) * 2004-04-21 2010-05-21 Kobe Steel Ltd Semi-reflective film and reflective film for optical information recording medium, optical information recording medium, and sputtering target
DE602005003508T2 (de) * 2004-06-29 2008-10-23 Kabushiki Kaisha Kobe Seiko Sho, Kobe Halbreflektierender Film und refkektierender Film für ein optisches Informationsaufzeichnungsmedium, optisches Informationsaufzeichnungsmedium und Sputtering-Target
US20050286401A1 (en) * 2004-06-29 2005-12-29 Tdk Corporation ROM-type optical recording medium and stamper for manufacturing ROM-type optical recording medium
JP3907666B2 (ja) * 2004-07-15 2007-04-18 株式会社神戸製鋼所 レーザーマーキング用再生専用光情報記録媒体
JP2006240289A (ja) * 2005-02-07 2006-09-14 Kobe Steel Ltd 光情報記録媒体用記録膜および光情報記録媒体ならびにスパッタリングターゲット
JP2006294195A (ja) * 2005-04-14 2006-10-26 Kobe Steel Ltd 光情報記録用Ａｇ合金反射膜、光情報記録媒体および光情報記録用Ａｇ合金反射膜の形成用のＡｇ合金スパッタリングターゲット
JP4328310B2 (ja) * 2005-04-14 2009-09-09 株式会社神戸製鋼所 光情報記録媒体用反射膜および光情報記録媒体
JP4377861B2 (ja) * 2005-07-22 2009-12-02 株式会社神戸製鋼所 光情報記録媒体用Ａｇ合金反射膜、光情報記録媒体および光情報記録媒体用Ａｇ合金反射膜の形成用のＡｇ合金スパッタリングターゲット
JP4527624B2 (ja) * 2005-07-22 2010-08-18 株式会社神戸製鋼所 Ａｇ合金反射膜を有する光情報媒体
JP2007035104A (ja) * 2005-07-22 2007-02-08 Kobe Steel Ltd 光情報記録媒体用Ａｇ合金反射膜、光情報記録媒体および光情報記録媒体用Ａｇ合金反射膜の形成用のＡｇ合金スパッタリングターゲット
JP4377877B2 (ja) * 2005-12-21 2009-12-02 ソニー株式会社 光情報記録媒体用Ａｇ合金反射膜、光情報記録媒体および光情報記録媒体用Ａｇ合金反射膜の形成用のＡｇ合金スパッタリングターゲット
JP2007335061A (ja) * 2006-05-16 2007-12-27 Sony Corp 光情報記録媒体とそのＢＣＡ（ＢｕｒｓｔＣｕｔｔｉｎｇＡｒｅａ）マーキング方法
JP4622947B2 (ja) * 2006-06-29 2011-02-02 ソニー株式会社 光ディスクおよび光ディスクの製造方法
JP2008077792A (ja) * 2006-09-22 2008-04-03 Kobe Steel Ltd 耐久性に優れた光情報記録媒体
JP2008156753A (ja) * 2006-12-01 2008-07-10 Kobe Steel Ltd 光情報記録媒体用Ａｇ合金反射膜、光情報記録媒体および光情報記録媒体用Ａｇ合金反射膜の形成用のスパッタリングターゲット
JP4694543B2 (ja) * 2007-08-29 2011-06-08 株式会社コベルコ科研 Ａｇ基合金スパッタリングターゲット、およびその製造方法
JP4833942B2 (ja) * 2007-08-29 2011-12-07 株式会社コベルコ科研 Ａｇ基合金スパッタリングターゲット
JP5046890B2 (ja) * 2007-11-29 2012-10-10 株式会社コベルコ科研 Ａｇ系スパッタリングターゲット

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762919B2 (ja) 1989-05-18 1995-07-05 三菱化学株式会社 再生専用型光ディスク
WO2000065584A1 (fr) 1999-04-26 2000-11-02 Sony Corporation Disque optique et procede de fabrication
JP2004079131A (ja) * 2002-08-22 2004-03-11 Fuji Photo Film Co Ltd 光情報記録媒体
JP2006066003A (ja) 2004-08-30 2006-03-09 Tdk Corp Ｒｏｍ型光記録媒体
JP2007092153A (ja) 2005-09-30 2007-04-12 Univ Tohoku Ａｌ合金反射膜、光情報記録媒体及びＡｌ合金反射膜形成用スパッタリングターゲット
JP2007242870A (ja) 2006-03-08 2007-09-20 Tokyo Electron Ltd 基板処理装置、基板吸着方法及び記憶媒体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2192585A4

Also Published As

Publication number Publication date
TWI378446B (ja) 2012-12-01
EP2192585B1 (en) 2014-07-16
EP2192585A1 (en) 2010-06-02
US8309195B2 (en) 2012-11-13
AU2008301745A1 (en) 2009-03-26
US20100226240A1 (en) 2010-09-09
EP2192585A4 (en) 2012-04-18
JP2009076129A (ja) 2009-04-09
TW200921667A (en) 2009-05-16
AU2008301745B2 (en) 2011-08-04

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