WO2008129780A1 - 光情報記録媒体 - Google Patents

光情報記録媒体 Download PDF

Info

Publication number
WO2008129780A1
WO2008129780A1 PCT/JP2008/000559 JP2008000559W WO2008129780A1 WO 2008129780 A1 WO2008129780 A1 WO 2008129780A1 JP 2008000559 W JP2008000559 W JP 2008000559W WO 2008129780 A1 WO2008129780 A1 WO 2008129780A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
information recording
layer
optical information
imaging
Prior art date
Application number
PCT/JP2008/000559
Other languages
English (en)
French (fr)
Inventor
Masahiko Tsukuda
Morio Tomiyama
Kenji Narumi
Joji Anzai
Yuuko Tomekawa
Haruhiko Habuta
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/531,601 priority Critical patent/US8302119B2/en
Publication of WO2008129780A1 publication Critical patent/WO2008129780A1/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
    • G11B7/2403—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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Head (AREA)

Abstract

　多層光情報記録媒体では、他情報層に結像することによる他層干渉のみならず、迷光の保護層表面での結像や、他情報層に結像せずに再生信号と同一光路を通って光学ヘッドに戻る迷光によって記録再生品質が悪化する。３回反射までの他層迷光による干渉の影響を解消する４層光情報記録媒体の中間層（１０６，１０７，１０８）、保護層（１０９）の厚み構成を設定する。
PCT/JP2008/000559 2007-03-19 2008-03-13 光情報記録媒体 WO2008129780A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/531,601 US8302119B2 (en) 2007-03-19 2008-03-13 Optical information recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007069978A JP2010134970A (ja) 2007-03-19 2007-03-19 光情報記録媒体
JP2007-069978 2007-03-19

Publications (1)

Publication Number Publication Date
WO2008129780A1 true WO2008129780A1 (ja) 2008-10-30

Family

ID=39875316

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000559 WO2008129780A1 (ja) 2007-03-19 2008-03-13 光情報記録媒体

Country Status (4)

Country Link
US (1) US8302119B2 (ja)
JP (1) JP2010134970A (ja)
MY (1) MY154590A (ja)
WO (1) WO2008129780A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011044230A (ja) * 2008-11-12 2011-03-03 Panasonic Corp 光記録媒体及び光情報装置
EP2472515A1 (en) * 2009-08-24 2012-07-04 Panasonic Corporation Optical recording medium production method, optical recording medium, optical information device, and information reproduction method
EP2482280A1 (en) * 2009-09-25 2012-08-01 TDK Corporation Optical recording medium and method for manufacturing optical recording medium
US8259551B2 (en) 2008-11-12 2012-09-04 Panasonic Corporation Optical recording medium, manufacturing method for optical recording medium, information recording/reproducing method and information recording/reproducing device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021124617A1 (ja) * 2019-12-17 2021-06-24 パナソニックＩｐマネジメント株式会社 光ディスクとその製造方法
WO2021145017A1 (ja) * 2020-01-15 2021-07-22 パナソニックＩｐマネジメント株式会社 光ディスク、その製造方法、光情報装置及び情報処理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004213720A (ja) * 2002-12-27 2004-07-29 Tdk Corp 光記録媒体
JP2005285222A (ja) * 2004-03-30 2005-10-13 Tdk Corp 多層情報記録媒体製造方法および多層情報記録媒体製造装置
JP2006073053A (ja) * 2004-08-31 2006-03-16 Tdk Corp 光記録媒体
JP2007080803A (ja) * 2005-09-14 2007-03-29 Tozai Denko Co Ltd 節電型蛍光灯器具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001155380A (ja) 2000-10-27 2001-06-08 Victor Co Of Japan Ltd 光記録媒体
JP2007080303A (ja) 2005-09-09 2007-03-29 Toshiba Corp 情報記録媒体および光ディスク装置
US20100195474A1 (en) * 2008-07-31 2010-08-05 Masahiko Tsukuda Optical information recording medium and recording and reproduction apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004213720A (ja) * 2002-12-27 2004-07-29 Tdk Corp 光記録媒体
JP2005285222A (ja) * 2004-03-30 2005-10-13 Tdk Corp 多層情報記録媒体製造方法および多層情報記録媒体製造装置
JP2006073053A (ja) * 2004-08-31 2006-03-16 Tdk Corp 光記録媒体
JP2007080803A (ja) * 2005-09-14 2007-03-29 Tozai Denko Co Ltd 節電型蛍光灯器具

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011044230A (ja) * 2008-11-12 2011-03-03 Panasonic Corp 光記録媒体及び光情報装置
JP2011175733A (ja) * 2008-11-12 2011-09-08 Panasonic Corp 光記録媒体の製造方法及び光記録媒体
EP2367172A1 (en) * 2008-11-12 2011-09-21 Panasonic Corporation Optical recording medium and optical information device
EP2367172A4 (en) * 2008-11-12 2012-05-23 Panasonic Corp OPTICAL RECORDING MEDIUM AND OPTICAL INFORMATION DEVICE
US8259551B2 (en) 2008-11-12 2012-09-04 Panasonic Corporation Optical recording medium, manufacturing method for optical recording medium, information recording/reproducing method and information recording/reproducing device
CN102930878A (zh) * 2008-11-12 2013-02-13 松下电器产业株式会社 光信息装置
CN102930878B (zh) * 2008-11-12 2015-04-29 松下电器产业株式会社 光信息装置
EP2472515A1 (en) * 2009-08-24 2012-07-04 Panasonic Corporation Optical recording medium production method, optical recording medium, optical information device, and information reproduction method
EP2472515A4 (en) * 2009-08-24 2015-01-21 Panasonic Corp METHOD FOR PRODUCING OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM, OPTICAL INFORMATION DEVICE, AND INFORMATION READING METHOD
EP2482280A1 (en) * 2009-09-25 2012-08-01 TDK Corporation Optical recording medium and method for manufacturing optical recording medium
CN102667933A (zh) * 2009-09-25 2012-09-12 Tdk股份有限公司 光记录介质、光记录介质的制造方法
EP2482280A4 (en) * 2009-09-25 2015-01-07 Tdk Corp OPTICAL RECORDING MEDIUM AND METHOD FOR PRODUCING THE OPTICAL RECORDING MEDIUM

Also Published As

Publication number Publication date
US20100110871A1 (en) 2010-05-06
US8302119B2 (en) 2012-10-30
JP2010134970A (ja) 2010-06-17
MY154590A (en) 2015-06-30

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