TWI319574B - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
TWI319574B
TWI319574B TW094131165A TW94131165A TWI319574B TW I319574 B TWI319574 B TW I319574B TW 094131165 A TW094131165 A TW 094131165A TW 94131165 A TW94131165 A TW 94131165A TW I319574 B TWI319574 B TW I319574B
Authority
TW
Taiwan
Prior art keywords
recording medium
optical recording
optical
medium
recording
Prior art date
Application number
TW094131165A
Other languages
English (en)
Other versions
TW200623109A (en
Inventor
Hiroyoshi Sekiguchi
Kazunori Ito
Hiroshi Deguchi
Hiroko Ohkura
Masaki Kato
Mikiko Abe
Original Assignee
Ricoh Co 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 JP2004261830A external-priority patent/JP4437727B2/ja
Priority claimed from JP2004265778A external-priority patent/JP2006079791A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of TW200623109A publication Critical patent/TW200623109A/zh
Application granted granted Critical
Publication of TWI319574B publication Critical patent/TWI319574B/zh

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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • 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
    • 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
    • G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
    • 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
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, 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
    • G11B7/2407—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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering

Landscapes

  • Health & Medical Sciences (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
TW094131165A 2004-09-09 2005-09-09 Optical recording medium TWI319574B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004261830A JP4437727B2 (ja) 2004-09-09 2004-09-09 光記録媒体
JP2004265778A JP2006079791A (ja) 2004-09-13 2004-09-13 相変化型光記録媒体

Publications (2)

Publication Number Publication Date
TW200623109A TW200623109A (en) 2006-07-01
TWI319574B true TWI319574B (en) 2010-01-11

Family

ID=36036530

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094131165A TWI319574B (en) 2004-09-09 2005-09-09 Optical recording medium

Country Status (6)

Country Link
US (1) US8124315B2 (zh)
EP (1) EP1787293B1 (zh)
KR (1) KR100846691B1 (zh)
DE (1) DE602005020316D1 (zh)
TW (1) TWI319574B (zh)
WO (1) WO2006028251A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100846691B1 (ko) 2004-09-09 2008-07-16 가부시키가이샤 리코 광기록 매체
JP4248486B2 (ja) 2004-12-15 2009-04-02 株式会社リコー 相変化型光記録媒体
EP3002550B1 (en) 2014-10-03 2017-08-30 Ricoh Company, Ltd. Information processing system and information processing method for distance measurement

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW336317B (en) 1996-02-28 1998-07-11 Asahi Chemical Ind Design method of phase change type recording medium and the phase change optical recording medium
JPH1139709A (ja) 1997-05-22 1999-02-12 Toray Ind Inc 光記録媒体
JP3494044B2 (ja) 1997-11-17 2004-02-03 三菱化学株式会社 光学的情報記録用媒体及び情報記録装置
JP4152497B2 (ja) 1998-08-28 2008-09-17 株式会社リコー 光記録媒体
JP4073581B2 (ja) 1999-08-02 2008-04-09 三菱化学メディア株式会社 光学的情報記録用媒体及び光記録方法
TWI233098B (en) 2000-08-31 2005-05-21 Matsushita Electric Ind Co Ltd Data recoding medium, the manufacturing method thereof, and the record reproducing method thereof
JP2002225437A (ja) 2000-12-01 2002-08-14 Ricoh Co Ltd 光記録媒体
JP2002237096A (ja) * 2001-02-09 2002-08-23 Ricoh Co Ltd 光記録媒体
JP2002264514A (ja) 2001-03-12 2002-09-18 Ricoh Co Ltd 光記録媒体
JP2003305955A (ja) 2001-05-21 2003-10-28 Ricoh Co Ltd 光記録媒体及び記録方法
JP4405739B2 (ja) * 2002-02-13 2010-01-27 三菱化学メディア株式会社 書換え型光記録媒体の光記録方法
TWI245285B (en) 2002-02-13 2005-12-11 Mitsubishi Chem Corp Rewritable optical recording medium and optical recording method
JP2003248967A (ja) 2002-02-21 2003-09-05 Ricoh Co Ltd 光記録媒体
EP1343154B1 (en) * 2002-03-05 2006-10-25 Mitsubishi Kagaku Media Co., Ltd. Phase-change recording material used for an information recording medium and an information recording medium employing it
JP3895629B2 (ja) 2002-04-02 2007-03-22 株式会社リコー 光記録媒体
EP1385160B1 (en) * 2002-07-22 2006-10-11 Ricoh Company, Ltd. Phase change optical recording medium
EP1406254B1 (en) * 2002-09-13 2010-03-10 Ricoh Company, Ltd. Optical recording medium
JP2004206851A (ja) 2002-11-06 2004-07-22 Ricoh Co Ltd 光情報記録媒体およびその記録方法
JP4249590B2 (ja) * 2002-11-18 2009-04-02 株式会社リコー 光情報記録媒体およびその製造方法
JP4093846B2 (ja) 2002-11-26 2008-06-04 株式会社リコー 相変化型光記録媒体
JP3996051B2 (ja) * 2002-12-18 2007-10-24 株式会社リコー 光記録方法
JP4271051B2 (ja) 2003-02-06 2009-06-03 株式会社リコー 相変化型情報記録媒体及びスパッタリングターゲット
JP4370788B2 (ja) * 2003-02-28 2009-11-25 セイコーエプソン株式会社 電気光学装置の製造方法
JP2005153338A (ja) 2003-11-26 2005-06-16 Ricoh Co Ltd 光記録媒体
KR100730978B1 (ko) 2004-02-05 2007-06-22 가부시키가이샤 리코 상변화형 정보 기록 매체 및 그 제조 방법, 스퍼터링 타겟 및 상변화형 정보 기록 매체의 기록 재생 방법 및 광기록 장치
KR100846691B1 (ko) 2004-09-09 2008-07-16 가부시키가이샤 리코 광기록 매체

Also Published As

Publication number Publication date
EP1787293A1 (en) 2007-05-23
WO2006028251A1 (en) 2006-03-16
KR100846691B1 (ko) 2008-07-16
US20080050673A1 (en) 2008-02-28
EP1787293A4 (en) 2008-09-24
DE602005020316D1 (de) 2010-05-12
US8124315B2 (en) 2012-02-28
TW200623109A (en) 2006-07-01
EP1787293B1 (en) 2010-03-31
KR20070059138A (ko) 2007-06-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees