JP2005053875A - シアニン化合物、光学記録材料及び光学記録媒体 - Google Patents
シアニン化合物、光学記録材料及び光学記録媒体 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- 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
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- 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
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- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
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- 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
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- 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
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- 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
- G11B7/2467—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 azo-dyes
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- G—PHYSICS
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- 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
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- 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
- G11B7/2495—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 as anions
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- 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
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- 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
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- 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]
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- 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
- G11B7/2535—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 polyesters, e.g. PET, PETG or PEN
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- 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
- G11B7/256—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 improving adhesion between layers
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
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Abstract
Description
(インドール誘導体の合成)
反応フラスコにN−メチル−N−フェニルヒドラジン24.4g、4−(2−フロロ−4−ブロモフェニル)ブタン−2−オン58.8g、エタノール100gを仕込み、70℃1時間撹拌した。これに70℃で35重量%塩酸水25gを滴下し、80℃1時間反応させた。室温まで冷却した後にトルエン100gを加え、これを水150gで3回洗浄し、無水硫酸ナトリウムで乾燥した。この溶液を脱溶媒して得た残渣をエタノール70gで再結晶した。この結晶をエタノールで洗浄し、80℃2時間真空乾燥して、白色結晶である置換基ベンジルを有するインドール誘導体を40.0g(収率60.2%)で得た。
オートクレーブに上記で得たインドール誘導体33.2g、ヨウ化メチル17.0g、メタノール71gを仕込み、100℃4時間反応させた。この後脱溶媒して得た残渣を4.7gのエタノールに加熱溶解させ、この溶液に酢酸ブチルを47g加えて晶析を行った。結晶を濾取し、80℃2時間真空乾燥を行い黄色結晶である中間体を15g(収率31.6%)で得た。
反応フラスコに上記で得た中間体1.96g、下記式で表される中間体A2.08g、無水酢酸1.40g、ピリジン7.25gを仕込み、60℃4時間反応させた。これにクロロホルム15gと四フッ化ホウ素ナトリウム1.51gを水15gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。これに四フッ化ホウ素ナトリウム1.5gを水15gに溶かした溶液を加え、室温で30分攪拌し、水相を除去し、さらに四フッ化ホウ素ナトリウム0.75gを水15gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。得られた有機相について水15gで三回洗浄した後、無水硫酸ナトリウムで乾燥を行い、脱溶媒をして油状物を得た。これを加熱して、イソプロピルアルコール21.6gを還流させながら滴下した。系の温度を25℃に下げてからデカンテーションを行い、エタノール10gを加えて50℃で溶解させた後、25℃に冷却して晶析を行った。得られた結晶を濾取し、エタノールで洗浄してから、120℃2時間真空乾燥を行い、目的物である紫色結晶0.9g(収率29.4%)を得た。得られた結晶について分析を行ったところ、この結晶は目的物である化合物No.3の四フッ化ホウ素塩と同定された。分析結果を以下に示す。
・光学特性(クロロホルム、3.207×10-6モル/リットル)
λmax;590nm、ε;1.04×105
・融点(窒素中10℃/分昇温でのDSC測定による吸熱ピークトップ温度)
214℃
・分子量(TOF−マススペクトル分析)
667.4
・1H−NMR(溶媒;DMSO)
図1−a〜1−cに1H−NMRスペクトルを示す。
(インドール誘導体の合成)
反応フラスコにN−メチル−N−ナフチルヒドラジン34.4g、4−(4−シアノフェニル)ブタン−2−オン42.5g、エタノール93gを仕込み、70℃1時間撹拌した。これに70℃で35重量%塩酸水25gを滴下し、80℃1時間反応させた。室温まで冷却した後にトルエン100gを加え、これを水150gで3回洗浄し、無水硫酸ナトリウムで乾燥した。この溶液を脱溶媒して得た残渣をエタノール70gで再結晶した。この結晶をエタノールで洗浄し、80℃2時間真空乾燥して、白色結晶である置換基ベンジルを有するインドール誘導体を35.0g(収率56.4%)で得た。
オートクレーブに上記で得たインドール誘導体31.0g、ヨウ化メチル17.0g、メタノール68gを仕込み、100℃5時間反応させた。この後脱溶媒して得た残渣を4.5gのエタノールに加熱溶解させ、この溶液に酢酸ブチルを45g加えて晶析を行った。結晶を濾取し、80℃2時間真空乾燥を行い黄色結晶である中間体を7.0g(収率15.5%)で得た。
反応フラスコに上記で得た中間体3.20g、下記式で表される中間体B3.62g、無水酢酸2.42g、ピリジン12.48gを仕込み、52℃4時間反応させた。これにクロロホルム30gと過塩素酸ナトリウム1水和物1.66gを水30gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。これに過塩素酸ナトリウム1水和物1.66gを水30gに溶かした溶液を加え、室温で30分攪拌し、水相を除去し、さらに過塩素酸ナトリウム1水和物0.8gを水30gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。得られた有機相について水30gで三回洗浄した後、無水硫酸ナトリウムで乾燥を行い、脱溶媒をして油状物を得た。これを加熱して、エタノール45gを還流させながら滴下した。系の温度を25℃に下げて粗結晶を濾取した。粗結晶をピリジンとメタノールの質量比1:1の溶媒で再結晶を行った。得られた結晶をメタノールで洗浄してから、120℃2時間真空乾燥を行い、目的物である茶色結晶2.3g(収率42.2%)を得た。得られた結晶について分析を行ったところ、この結晶は目的物である化合物No.20の過塩素酸塩と同定された。分析結果を以下に示す。
・光学特性(クロロホルム、5.911×10-6モル/リットル)
λmax;590nm、ε;1.30×105
・融点(窒素中10℃/分昇温でのDSC測定による吸熱ピークトップ温度)
231℃
・分子量(TOF−マススペクトル分析)
690.3
・1H−NMR(溶媒:DMSO)
図2−a〜2−cに1H−NMRスペクトルを示す。
(インドール誘導体の合成)
反応フラスコにN−メチル−N−ナフチルヒドラジン34.4g、4−(2−メチルフェニル)ブタン−2−オン38.9g、エタノール90gを仕込み、70℃1時間撹拌した。これに70℃で35重量%塩酸水25gを滴下し、80℃1時間反応させた。室温まで冷却した後にトルエン100gを加え、これを水150gで3回洗浄し、無水硫酸ナトリウムで乾燥した。この溶液を脱溶媒して得た残渣をエタノール70gで再結晶した。この結晶をエタノールで洗浄し、80℃2時間真空乾燥して、白色結晶である置換基ベンジルを有するインドール誘導体を38.1g(収率63.5%)で得た。
オートクレーブに上記で得たインドール誘導体29.9g、ヨウ化メチル17.0g、メタノール66.2gを仕込み、100℃7時間反応させた。この後脱溶媒して得た残渣を4.4gのエタノールに加熱溶解させ、この溶液に酢酸ブチルを44g加えて晶析を行った。結晶を濾取し、80℃2時間真空乾燥を行い黄色結晶である中間体を6.5g(収率14.7%)で得た。
反応フラスコに上記で得た中間体6.10g、N,N’−ジフェニルアミジン1.52g、無水酢酸2.37g、ピリジン12.24gを仕込み、60℃6時間反応させた。これにクロロホルム25gと六フッ化リンカリウム4.27gを水43gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。これに六フッ化リンカリウム2.10gを水25gに溶かした溶液を加え、室温で30分攪拌し、水相を除去し、さらに六フッ化リンカリウム1.0gを水25gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。得られた有機相について水30gで三回洗浄した後、無水硫酸ナトリウムで乾燥を行い、脱溶媒をして油状物を得た。これを加熱して、メタノール32gを還流させながら滴下した。系の温度を25℃に下げて結晶を濾取した。得られた結晶をメタノールで洗浄してから、120℃2時間真空乾燥を行い、目的物である緑色結晶1.4g(収率23.1%)を得た。得られた結晶について分析を行ったところ、この結晶は目的物である化合物No.43の六フッ化リン塩と同定された。分析結果を以下に示す。
・光学特性(クロロホルム、3.628×10-6モル/リットル)
λmax;608nm、ε;1.089×105
・融点(窒素中10℃/分昇温でのDSC測定による吸熱ピークトップ温度)
188℃
・分子量(TOF−マススペクトル分析)
782.8
・1H−NMR(溶媒:DMSO)
図3−a〜3−cに1H−NMRスペクトルを示す。
反応フラスコに3−ベンジル−2−メチル−1−プロピルナフチルインドール6.27g、2,4−ジフルオロベンジルブロマイド4.14g、エタノール20.8gを仕込み、還流下で2時間反応させた。これに酢酸エチル41.6gを加え析出した結晶を濾取して、中間体を3.46g(収率33.2%)で得た。反応フラスコに上記で得た中間体1.56g、下記式で表される中間体C1.35g、無水酢酸0.92g、ピリジン4.75gを仕込み、70℃4時間反応させた。これにクロロホルム30gと六フッ化リンカリウム1.66gを水40gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。これに六フッ化リンカリウム0.8gを水30gに溶かした溶液を加え、室温で30分攪拌し、水相を除去し、さらに六フッ化リンカリウム0.8gを水30gに溶かした溶液を加え、室温で30分攪拌し、水相を除去した。得られた有機相について水30gで三回洗浄した後、無水硫酸ナトリウムで乾燥を行い、脱溶媒をして粗結晶を得た。粗結晶をエタノールで再結晶を行った。得られた結晶をエタノールで洗浄してから、120℃2時間真空乾燥を行い、目的物である緑色結晶1.03g(収率43.1%)を得た。得られた結晶について分析を行ったところ、この結晶は目的物である化合物No.57の六フッ化リン塩と同定された。分析結果を以下に示す。
・光学特性(クロロホルム、×10-6モル/リットル)
λmax;587nm、ε;1.29×105
・融点(窒素中10℃/分昇温でのDSC測定による吸熱ピークトップ温度)
222℃
・分子量(TOF−マススペクトル分析)
797.8
・1H−NMR(溶媒:DMSO)
図4−a〜4−bに1H−NMRスペクトルを示す。
上記製造例1〜4それぞれで得られたシアニン化合物及び以下に示す比較化合物1〜3について、窒素気流中の示差熱分析を行い熱分解温度を評価した。熱分解温度は、窒素中10℃/分昇温条件によるDTAの発熱のピークトップ温度で評価した。結果を表1に示す。
チタンキレート化合物(T−50:日本曹達社製)を塗布、加水分解して下地層(0.01μ)を設けた直径12cmのポリカーボネートディスク基板上に、上記製造例1〜4で得たシアニン化合物それぞれを、2,2,3,3−テトラフルオロプロパノール溶液(濃度2重量%)によるスピンコーティング法にて塗布して、厚さ100nmの光学記録層を形成し光学記録媒体を得た。これらの光学記録媒体について、透過光UVスペクトルと入射角5°の反射光UVスペクトルの測定を行った。結果を表2に記す。
透過光スペクトルは、光学記録媒体の記録特性と関連がある。各光学記録媒体のλmaxの強度を1として、これに対する相対強度の値が0.15より小さいと記録特性が悪化し、0.50を超えると光学記録層の耐光性が悪くなり、記録の保存安定性が悪くなる。従って、記録光の波長に対して、相対強度が、0.15〜0.50を示すものが適正である。また、反射光スペクトルは、光学記録媒体の再生特性と関連がある。再生モードでは、レーザ光を光学記録媒体に反射させた反射光について、レーザ波長の光量の差で記録の有無を検出するので、反射光の吸収スペクトルの極大が、使用される再生光の波長に近いものほど好ましい。
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US10/899,027 US7553604B2 (en) | 2003-08-07 | 2004-07-27 | Cyanine compound, optical recording material, and optical recording medium |
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ATE420142T1 (de) | 2009-01-15 |
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TW200508325A (en) | 2005-03-01 |
EP1505125A1 (en) | 2005-02-09 |
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EP1505125B1 (en) | 2009-01-07 |
JP3698708B2 (ja) | 2005-09-21 |
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