JP2005505092A - 情報層中に染料を光吸収性化合物として含有する光学データ媒体 - Google Patents

情報層中に染料を光吸収性化合物として含有する光学データ媒体 Download PDF

Info

Publication number
JP2005505092A
JP2005505092A JP2003533274A JP2003533274A JP2005505092A JP 2005505092 A JP2005505092 A JP 2005505092A JP 2003533274 A JP2003533274 A JP 2003533274A JP 2003533274 A JP2003533274 A JP 2003533274A JP 2005505092 A JP2005505092 A JP 2005505092A
Authority
JP
Japan
Prior art keywords
formula
optical data
data medium
alkyl
group
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.)
Pending
Application number
JP2003533274A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005505092A5 (enExample
Inventor
ベルネート ホルスト
ブルーダー フリードリヒ−カール
裕一 佐飛
眞伸 山本
ヘーゼ ヴィルフリート
ハセンリュック カーリン
コストロミーネ セルゲイ
ランデンベルガー ペーター
ゾマーマン トーマス
シュターヴィッツ ヨーゼフ−ヴァルター
ハーゲン ライナー
オーザー ラファエル
クリューガー クリスタ−マリア
マイアー−フリードリヒセン ティモ
作哉 玉田
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
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of JP2005505092A publication Critical patent/JP2005505092A/ja
Publication of JP2005505092A5 publication Critical patent/JP2005505092A5/ja
Pending legal-status Critical Current

Links

Images

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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B47/00—Porphines; Azaporphines
    • C09B47/04—Phthalocyanines abbreviation: Pc
    • C09B47/08—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex
    • C09B47/085—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex substituting the central metal atom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0097—Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with 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
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • 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
    • 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
    • G11B7/248—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 porphines; azaporphines, e.g. phthalocyanines
    • 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
    • G11B7/249—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 organometallic compounds
    • G11B7/2492—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 organometallic compounds neutral compounds
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/2475—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 merocyanine
    • 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
    • G11B7/2542—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 consisting essentially of organic resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Head (AREA)
JP2003533274A 2001-10-04 2002-09-27 情報層中に染料を光吸収性化合物として含有する光学データ媒体 Pending JP2005505092A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01123810 2001-10-04
EP01130527 2001-12-21
EP02005505 2002-03-11
PCT/EP2002/010900 WO2003030158A2 (en) 2001-10-04 2002-09-27 Optical data medium containing; in the information layer, a dye as a light-absorbing compound

Publications (2)

Publication Number Publication Date
JP2005505092A true JP2005505092A (ja) 2005-02-17
JP2005505092A5 JP2005505092A5 (enExample) 2006-01-05

Family

ID=27224239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003533274A Pending JP2005505092A (ja) 2001-10-04 2002-09-27 情報層中に染料を光吸収性化合物として含有する光学データ媒体

Country Status (5)

Country Link
US (1) US20040257973A1 (enExample)
EP (1) EP1435094A2 (enExample)
JP (1) JP2005505092A (enExample)
TW (1) TWI252479B (enExample)
WO (1) WO2003030158A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008222991A (ja) * 2007-03-16 2008-09-25 Adeka Corp メロシアニン化合物、該化合物を用いた光学フィルター及び光学記録材料
KR20190041942A (ko) * 2017-10-13 2019-04-23 란세스 도이치란트 게엠베하 신규한 메틴 염료

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002257686A1 (en) * 2001-03-28 2002-10-15 Bayer Aktiengesellschaft Optical data medium containing, in the information layer, a dye as a lightabsorbing compound and having a protective covering layer of predetermined thickness
CN1643587A (zh) * 2002-03-19 2005-07-20 拜尔化学品股份公司 在光数据载体信息层中作为光吸收化合物的方酸类染料
JP3902523B2 (ja) * 2002-08-05 2007-04-11 富士フイルム株式会社 光情報記録媒体および情報記録方法
WO2005000972A2 (en) * 2003-06-27 2005-01-06 Ciba Specialty Chemicals Holding Inc. Optical recording materials having high storage density
DE102004025314A1 (de) * 2004-05-19 2005-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines optischen Speichermediums und optisches Speichermedium
US20070196767A1 (en) * 2004-06-03 2007-08-23 Clariant International Ltd Use Of Squaric Acid Dyes In Optical Layers For Optical Data Recording
CN101065802A (zh) * 2004-10-19 2007-10-31 富士胶片株式会社 光学信息媒体
GB2426978A (en) * 2005-06-08 2006-12-13 Yen Cheng Tsai Novel Phthalocyanine Derivatives, Synthetic Process thereof and their application in optical recording media
DE102005028145A1 (de) * 2005-06-17 2006-12-28 Bayer Materialscience Ag Optischer Datenspeicher, dessen Herstellung und Verwendung
WO2007127964A2 (en) * 2006-04-28 2007-11-08 Verification Technologies, Inc. Formulations useful in the production of anti-shrink-copy-protected digital recording media
EP2993197A1 (en) * 2006-11-29 2016-03-09 Sun Chemical Corporation Phthalocyanine colorants and their use as fluorescent security taggants
DE102009009263A1 (de) * 2009-02-17 2010-08-19 Giesecke & Devrient Gmbh Verfahren zur Herstellung einer ein Fenster enthaltenden Abschlußschicht für einen tragbaren Datenträger und Abschlußschicht

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100288681B1 (ko) * 1995-12-25 2001-05-02 나가시마 므쓰오 광 기록 재료 및 광 기록 매체
US5855979A (en) * 1996-08-08 1999-01-05 Mitsui Chemicals, Inc. Optical recording medium
JPH10302310A (ja) * 1997-04-25 1998-11-13 Sony Corp 光学記録媒体及び光学ディスク装置
TW430672B (en) * 1997-07-03 2001-04-21 Sumitomo Chemical Co A photo-curing resin composition for DVD
KR100278786B1 (ko) * 1998-06-18 2001-01-15 구자홍 광기록매체와 광 기록/재생 방법 및 장치
JP2000082236A (ja) * 1998-07-09 2000-03-21 Sony Corp 光学記録媒体
PT1104431E (pt) * 1998-08-11 2003-03-31 Ciba Sc Holding Ag Metalocenil-ftalocianinas
TW561115B (en) * 1999-09-08 2003-11-11 Fuji Photo Film Co Ltd Optical information recording medium
JP4164984B2 (ja) * 2000-03-27 2008-10-15 ソニー株式会社 光学記録媒体

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008222991A (ja) * 2007-03-16 2008-09-25 Adeka Corp メロシアニン化合物、該化合物を用いた光学フィルター及び光学記録材料
KR20190041942A (ko) * 2017-10-13 2019-04-23 란세스 도이치란트 게엠베하 신규한 메틴 염료
JP2019073695A (ja) * 2017-10-13 2019-05-16 ランクセス・ドイチュランド・ゲーエムベーハー 新規なメチン染料
KR102708977B1 (ko) 2017-10-13 2024-09-25 란세스 도이치란트 게엠베하 신규한 메틴 염료

Also Published As

Publication number Publication date
TWI252479B (en) 2006-04-01
WO2003030158A3 (en) 2003-08-28
EP1435094A2 (en) 2004-07-07
WO2003030158A2 (en) 2003-04-10
US20040257973A1 (en) 2004-12-23

Similar Documents

Publication Publication Date Title
KR100479369B1 (ko) 착물 폴리메틴 염료를 포함하는 광학 기록 매체
US20020076648A1 (en) Optical data medium containing, in the information layer, a phthalocyanine dye as a light-absorbing compound
US20030003396A1 (en) Optical data carrier comprising a merocyanine dye as light-absorbent compound in the information layer
JP2007197726A (ja) 高い記憶密度を有する光学記録材料
JPH0453194B2 (enExample)
US20040257973A1 (en) Optical data medium containing; in the information layer, a dye as a light-absorbing compound
US20030113665A1 (en) Optical data medium containing, in the information layer, a dye as a light-absorbing compound
JP2005500923A (ja) 情報層中に吸光性化合物としてフタロシアニン色素を含有する光学データ記録媒体
EP0977754B1 (en) Writable and erasable high-density optical storage media
JP2008534332A (ja) 光学的データ記憶媒体用の色素化合物としてのＢａｓｉｃＹｅｌｌｏｗ色素
US6077584A (en) Stabilized dye compositions for optical recording media
US20030006516A1 (en) Optical data storage medium containing a heterocyclic azo dye as the light-absorbing compound in the information layer
JP2002036726A (ja) 光記録媒体および該媒体の記録再生方法
KR100437975B1 (ko) 고용량기록매체
KR100893830B1 (ko) 메탈로세닐 프탈로시아닌, 이의 혼합물, 이의 제조방법 및 광학 기록 매체로서의 이의 용도
US20030054291A1 (en) Optical data storage medium containing a hemicyanine dye as the light-absorbing compound in the information layer
JP2001039032A (ja) 光情報記録媒体
KR20030085065A (ko) 정보층 내에 흡광 화합물로서의 염료를 함유하는 광학데이터 매체
TWI252478B (en) Optical data medium containing, in the information layer, a dye as a light-absorbing compound
JP2007522973A (ja) 青色レーザーを使用して書き込みが可能な光学記録材料
KR20030038755A (ko) 정보층 중에 광흡수 화합물로 프탈로시아닌 착색제를함유한 광학적 데이타 캐리어
JP2005105071A (ja) ジピロメテン金属キレート化合物、及びそれを用いた光記録媒体
JPH02249688A (ja) 光記録媒体
JP2007062221A (ja) 錯化合物及びこれを用いた光記録媒体
JP2003286415A (ja) ジピロメテン金属キレート化合物、及びそれを用いた光記録媒体

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050620

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050620

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061214

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061222

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070627