ATE485586T1 - Optisches aufzeichnungsmedium - Google Patents

Optisches aufzeichnungsmedium

Info

Publication number
ATE485586T1
ATE485586T1 AT07792656T AT07792656T ATE485586T1 AT E485586 T1 ATE485586 T1 AT E485586T1 AT 07792656 T AT07792656 T AT 07792656T AT 07792656 T AT07792656 T AT 07792656T AT E485586 T1 ATE485586 T1 AT E485586T1
Authority
AT
Austria
Prior art keywords
recording medium
optical recording
reproduce
high level
layer
Prior art date
Application number
AT07792656T
Other languages
English (en)
Inventor
Takayuki Shima
Yuzo Yamakawa
James Paul Fons
Junji Tominaga
Original Assignee
Nat Inst Of Advanced Ind Scien
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 Nat Inst Of Advanced Ind Scien filed Critical Nat Inst Of Advanced Ind Scien
Application granted granted Critical
Publication of ATE485586T1 publication Critical patent/ATE485586T1/de

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
    • G11B7/254—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 protective topcoat 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
    • G11B7/252—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
    • 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
    • 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
    • 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
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • 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
    • G11B7/252—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
    • G11B2007/25706—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 transition metal elements (Zn, Fe, Co, Ni, Pt)
    • 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)
AT07792656T 2006-09-22 2007-08-17 Optisches aufzeichnungsmedium ATE485586T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006256726A JP4798447B2 (ja) 2006-09-22 2006-09-22 光記録媒体
PCT/JP2007/066040 WO2008035522A1 (en) 2006-09-22 2007-08-17 Optical recording medium

Publications (1)

Publication Number Publication Date
ATE485586T1 true ATE485586T1 (de) 2010-11-15

Family

ID=39200351

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07792656T ATE485586T1 (de) 2006-09-22 2007-08-17 Optisches aufzeichnungsmedium

Country Status (8)

Country Link
US (1) US8097323B2 (de)
EP (1) EP2065889B1 (de)
JP (1) JP4798447B2 (de)
KR (1) KR20090027776A (de)
AT (1) ATE485586T1 (de)
DE (1) DE602007010009D1 (de)
TW (1) TW200822107A (de)
WO (1) WO2008035522A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929747A1 (fr) * 2008-04-04 2009-10-09 Commissariat Energie Atomique Disque optique a super-resolution a stabilite de lecture elevee
WO2010106972A1 (ja) * 2009-03-18 2010-09-23 日本電気株式会社 光学情報記録媒体
WO2012026096A1 (ja) * 2010-08-23 2012-03-01 パナソニック株式会社 光学情報再生装置、光学情報再生方法及び情報記録媒体

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3129497B2 (ja) 1992-02-03 2001-01-29 株式会社リコー 相変化型光記録媒体
JP3297928B2 (ja) 1992-03-13 2002-07-02 ソニー株式会社 再生専用光ディスク
JP3506491B2 (ja) 1994-06-23 2004-03-15 Ｔｄｋ株式会社 光情報媒体
JPH09185846A (ja) * 1996-01-08 1997-07-15 Hitachi Ltd 情報記録媒体および情報メモリ装置
JP2001243657A (ja) 2000-02-28 2001-09-07 Victor Co Of Japan Ltd 光記録媒体
JP4004264B2 (ja) * 2001-10-09 2007-11-07 パイオニア株式会社 光記録媒体
JP2003228883A (ja) 2002-01-29 2003-08-15 Hitachi Maxell Ltd 情報記録媒体、および情報記録媒体の製造方法
JP4582755B2 (ja) * 2002-06-24 2010-11-17 Ｔｄｋ株式会社 光記録／再生方法および光記録媒体
EP1548721B1 (de) * 2002-10-02 2009-08-12 Mitsubishi Kagaku Media Co., Ltd. Optisches aufzeichnungsmedium
JP4346397B2 (ja) * 2002-10-02 2009-10-21 三菱化学メディア株式会社 光記録媒体
JP2005025900A (ja) * 2003-07-01 2005-01-27 Tdk Corp 光記録媒体、光記録再生装置、光記録装置及び光再生装置、並びに、光記録媒体に対するデータ記録再生方法、データ記録方法及びデータ再生方法
KR20050032689A (ko) 2003-10-02 2005-04-08 삼성전자주식회사 고밀도 재생전용 광디스크
KR100573679B1 (ko) 2003-12-30 2006-04-24 엘지전자 주식회사 초해상 광디스크
KR100573680B1 (ko) 2004-01-08 2006-04-24 엘지전자 주식회사 멀티 레벨 초해상 광디스크
US7232598B2 (en) * 2003-10-22 2007-06-19 Lg Electronics Inc. Super resolution optical disc
JP2005158110A (ja) * 2003-11-21 2005-06-16 Tdk Corp 光記録ディスク
KR20050092261A (ko) 2004-03-15 2005-09-21 삼성전자주식회사 초해상 정보저장매체
KR100579460B1 (ko) 2004-05-19 2006-05-12 엘지전자 주식회사 멀티 레이어 초해상 광디스크
JP2007012233A (ja) 2005-07-04 2007-01-18 Hitachi Maxell Ltd 光情報記録媒体

Also Published As

Publication number Publication date
JP4798447B2 (ja) 2011-10-19
KR20090027776A (ko) 2009-03-17
EP2065889A4 (de) 2009-09-16
TW200822107A (en) 2008-05-16
DE602007010009D1 (de) 2010-12-02
US20090269542A1 (en) 2009-10-29
TWI357601B (de) 2012-02-01
EP2065889B1 (de) 2010-10-20
EP2065889A1 (de) 2009-06-03
WO2008035522A1 (en) 2008-03-27
JP2008077781A (ja) 2008-04-03
US8097323B2 (en) 2012-01-17

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