CA2418459A1 - Optical recording medium - Google Patents

Optical recording medium Download PDF

Info

Publication number
CA2418459A1
CA2418459A1 CA002418459A CA2418459A CA2418459A1 CA 2418459 A1 CA2418459 A1 CA 2418459A1 CA 002418459 A CA002418459 A CA 002418459A CA 2418459 A CA2418459 A CA 2418459A CA 2418459 A1 CA2418459 A1 CA 2418459A1
Authority
CA
Canada
Prior art keywords
film
grooves
recording
recessed portions
recording medium
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002418459A
Other languages
English (en)
French (fr)
Inventor
Yuichi Sabi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2418459A1 publication Critical patent/CA2418459A1/en
Abandoned legal-status Critical Current

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
    • G11B7/244—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 organic materials only
    • G11B7/246—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 organic materials only containing dyes
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00451—Recording involving ablation of the recording layer
    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24079—Width or depth
    • 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
    • G11B2007/25713—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
    • G11B7/242—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
    • G11B7/244—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 organic materials only
    • G11B7/246—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 organic materials only containing dyes
    • G11B7/247—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 organic materials only containing dyes methine or polymethine dyes
    • G11B7/2472—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 organic materials only containing dyes methine or polymethine dyes cyanine
    • 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
    • G11B7/2533—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
    • 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]
    • 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
    • G11B7/259—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 silver
    • 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)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
CA002418459A 2001-06-11 2002-06-11 Optical recording medium Abandoned CA2418459A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001175981 2001-06-11
JP2001-175981 2001-06-11
PCT/JP2002/005802 WO2002101735A1 (en) 2001-06-11 2002-06-11 Optical recording medium

Publications (1)

Publication Number Publication Date
CA2418459A1 true CA2418459A1 (en) 2003-02-04

Family

ID=19017035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002418459A Abandoned CA2418459A1 (en) 2001-06-11 2002-06-11 Optical recording medium

Country Status (10)

Country Link
US (1) US6844044B2 (enExample)
EP (1) EP1324327B1 (enExample)
JP (1) JP4264647B2 (enExample)
KR (1) KR20030024837A (enExample)
CN (1) CN1251213C (enExample)
AT (1) ATE497240T1 (enExample)
CA (1) CA2418459A1 (enExample)
DE (1) DE60239043D1 (enExample)
TW (1) TWI292910B (enExample)
WO (1) WO2002101735A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004100140A1 (en) 2003-05-07 2004-11-18 Koninklijke Philips Electronics N.V. Write-once optical record carrier for high-speed recording
EP1511027B1 (en) * 2003-09-01 2009-07-01 Panasonic Corporation Fabrication method of stamper for optical information recording medium, master disk of stamper for optical information recording medium
US7876666B2 (en) * 2004-04-02 2011-01-25 Kabushiki Kaisha Toshiba Write-once information recording medium and coloring matter material therefor
CN100570720C (zh) * 2004-07-16 2009-12-16 三菱化学媒体株式会社 光记录介质及光记录介质的光记录方法
WO2006009107A1 (ja) 2004-07-16 2006-01-26 Mitsubishi Kagaku Media Co., Ltd. 光記録媒体及び光記録媒体の光記録方法
JP4575211B2 (ja) 2005-03-31 2010-11-04 株式会社東芝 記憶媒体、再生方法及び記録方法
JP4473768B2 (ja) * 2005-04-14 2010-06-02 株式会社東芝 情報記憶媒体、再生方法及び記録方法
JP4644216B2 (ja) * 2006-02-02 2011-03-02 太陽誘電株式会社 光情報記録媒体、並びにその製造方法及び記録方法
US20080031123A1 (en) * 2006-08-03 2008-02-07 Wu-Hsuan Ho Embossed type write-once recording medium structure
WO2008067273A2 (en) * 2006-11-28 2008-06-05 Cornova, Inc. Implantable devices with therapy delivering surfaces and methods
JP2008142895A (ja) * 2006-12-05 2008-06-26 Fujifilm Corp モールド構造体

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931336A (en) * 1988-01-18 1990-06-05 Fuji Photo Film Co., Ltd. Information recording medium and method of optically recording information employing the same
JP2541847B2 (ja) * 1989-01-11 1996-10-09 日本ビクター株式会社 光学的記録媒体円盤
JPH02187937A (ja) * 1989-01-13 1990-07-24 Matsushita Electric Ind Co Ltd 光記録媒体および光記録再生方法
JP2719407B2 (ja) * 1989-07-06 1998-02-25 三洋電機株式会社 光学式記録再生方法
JPH07156547A (ja) * 1993-12-10 1995-06-20 Osaka Gas Co Ltd 光メモリ、情報記録方法およびその装置、情報再生方法およびその装置、情報記録および再生方法ならびにその装置
JPH07266705A (ja) * 1994-03-31 1995-10-17 Tdk Corp 光記録ディスク
DE69735460T2 (de) * 1996-12-18 2006-11-16 Mitsubishi Kagaku Media Co. Ltd. Optische Aufzeichnungsplatte
KR100303631B1 (ko) * 1997-04-24 2001-11-22 모리시타 요이찌 광기록매체및여기에사용되는기판
JP3685922B2 (ja) * 1997-11-05 2005-08-24 Ｔｄｋ株式会社 光記録媒体およびその記録方法
EP1000424A2 (en) 1998-05-27 2000-05-17 Koninklijke Philips Electronics N.V. Optical recording medium
JP2000030257A (ja) * 1998-07-08 2000-01-28 Taiyo Yuden Co Ltd 光情報媒体とその記録方法
JP3520203B2 (ja) * 1998-07-23 2004-04-19 太陽誘電株式会社 光情報媒体
JP4024413B2 (ja) * 1999-02-04 2007-12-19 株式会社リコー 光情報記録媒体
JP2000242976A (ja) 1999-02-19 2000-09-08 Taiyo Yuden Co Ltd 光情報媒体
EP1039449B1 (en) * 1999-03-15 2006-07-05 Fuji Photo Film Co., Ltd. Optical information recording medium
DE60042473D1 (de) * 1999-04-26 2009-08-13 Sony Corp Optische platte und herstellungsverfahren
JP2001039032A (ja) * 1999-08-02 2001-02-13 Ricoh Co Ltd 光情報記録媒体
JP2001146074A (ja) * 1999-09-08 2001-05-29 Fuji Photo Film Co Ltd 光情報記録媒体および情報記録方法
TW561115B (en) 1999-09-08 2003-11-11 Fuji Photo Film Co Ltd Optical information recording medium
JP4041629B2 (ja) * 1999-10-21 2008-01-30 富士フイルム株式会社 光記録媒体
KR100510022B1 (ko) 1999-12-28 2005-08-25 미쯔이카가쿠 가부시기가이샤 신규한 아자포르피린 화합물 및 그 제조방법
JP2001287465A (ja) * 2000-01-31 2001-10-16 Mitsui Chemicals Inc 光記録媒体
JP2002086923A (ja) * 2000-09-18 2002-03-26 Fuji Photo Film Co Ltd 光情報記録媒体及び光情報記録方法
WO2002037486A1 (en) * 2000-10-23 2002-05-10 Mitsui Chemicals, Inc. Optical recording medium

Also Published As

Publication number Publication date
EP1324327A1 (en) 2003-07-02
CN1465052A (zh) 2003-12-31
KR20030024837A (ko) 2003-03-26
JPWO2002101735A1 (ja) 2004-09-30
EP1324327A4 (en) 2008-07-30
DE60239043D1 (de) 2011-03-10
WO2002101735A1 (en) 2002-12-19
US20040008610A1 (en) 2004-01-15
US6844044B2 (en) 2005-01-18
CN1251213C (zh) 2006-04-12
EP1324327B1 (en) 2011-01-26
JP4264647B2 (ja) 2009-05-20
TWI292910B (enExample) 2008-01-21
ATE497240T1 (de) 2011-02-15

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20140604